WO2014059939A1 - 获取互联网协议地址的方法、设备及系统 - Google Patents

获取互联网协议地址的方法、设备及系统 Download PDF

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Publication number
WO2014059939A1
WO2014059939A1 PCT/CN2013/085401 CN2013085401W WO2014059939A1 WO 2014059939 A1 WO2014059939 A1 WO 2014059939A1 CN 2013085401 W CN2013085401 W CN 2013085401W WO 2014059939 A1 WO2014059939 A1 WO 2014059939A1
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WO
WIPO (PCT)
Prior art keywords
connection
mobile broadband
identifier
network side
broadband device
Prior art date
Application number
PCT/CN2013/085401
Other languages
English (en)
French (fr)
Inventor
王业麒
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to JP2015537133A priority Critical patent/JP5999461B2/ja
Priority to EP13847263.4A priority patent/EP2899950B1/en
Publication of WO2014059939A1 publication Critical patent/WO2014059939A1/zh
Priority to US14/689,279 priority patent/US9825901B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/167—Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/22—Manipulation of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/60—Types of network addresses
    • H04L2101/686—Types of network addresses using dual-stack hosts, e.g. in Internet protocol version 4 [IPv4]/Internet protocol version 6 [IPv6] networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, device and system for obtaining an internet protocol address. Background technique
  • IPv4 Internet Protocol version 4
  • IPv6 Internet Protocol version 6, Internet Protocol version 6
  • mobile broadband devices must support both IPv4 and IPv6.
  • the stack where the host can obtain an IPv4 address and an IPv6 address through the mobile broadband device, and connects to the IPv4 network and the IPv6 network.
  • the prior art provides a method for a host to obtain an IPv4 address and an IPv6 address through a mobile broadband device, which may be specifically:
  • the host is connected to a mobile broadband device, and if the mobile broadband device establishes an IPv4 PDP (Packet Data Protocol, packet) with the network side, a data protocol) connection, the mobile broadband device stores an IPv4 address corresponding to the IPv4 PDP connection, and the mobile broadband device sends an interrupt report message to the host, and the host obtains an IPv4 address from the mobile broadband device and connects to the network according to the IPv4 address;
  • the device establishes an IPv6 PDP connection with the network side and stores the IPv6 address corresponding to the IPv6 PDP connection in the mobile broadband device.
  • the mobile broadband device needs to first send an interrupt report disconnection message to the host, the host disconnects from the network, and the mobile broadband device sends an interrupt to report the continuous message to the host, and the host obtains the IPv4 address and the IPv6 address from the mobile broadband device. Connected to the network in accordance with IPv4 and IPv6 addresses acquired.
  • an embodiment of the present invention provides a method, device, and system for acquiring an internet protocol address.
  • the technical solution is as follows:
  • a method for obtaining an internet protocol address comprising: detecting a data packet protocol PDP connection information with a network side;
  • the identifier information is obtained, where the identifier information is used to identify PDP connection information between the mobile broadband device and the network side;
  • acquiring the identifier information includes:
  • the mobile broadband device If it is detected that the mobile broadband device establishes a PDP connection with the network side, determining a connection state between the mobile broadband device and the network side, and acquiring a connection identifier corresponding to the connection state.
  • the sending the identifier information to the host includes:
  • the sending interrupt report message is sent to the host, and the interrupt report connection message carries the connection identifier corresponding to the connection status.
  • the method includes:
  • IPv6 PDP connection is established between the mobile broadband device and the network side after the mobile broadband device and the network side are connected, and an IPv6 PDP connection is established between the mobile broadband device and the network side, and the IPv6 PDP connection exists between the mobile broadband device and the network side, Establishing an IPv4 PDP connection between the mobile broadband device and the network side, determining that the mobile broadband device is in a third connection state with the network side, acquiring the first The third connection identifier corresponding to the three connection states.
  • acquiring the identifier information includes:
  • the disconnection identifier is obtained, and the disconnection identifier is used to identify a disconnected PDP connection between the mobile broadband device and the network side.
  • the sending the identifier information to the host includes:
  • the sending interrupt reports a disconnect message to the host, and the interrupt reporting disconnect message carries the disconnected identifier.
  • acquiring the disconnection identifier includes:
  • the IPv4 PDP connection between the mobile broadband device and the network side is disconnected, obtaining a first disconnection identifier, where the first disconnection identifier is used to identify between the mobile broadband device and the network side.
  • the IPv4 PDP connection is broken.
  • IPv6 PDP connection between the mobile broadband device and the network side is disconnected, acquiring a second disconnection identifier, where the second disconnection identifier is used to identify the mobile broadband device and the network side
  • the IPv6 PDP connection is broken.
  • the third disconnection identifier is used to identify the mobile broadband device and the network.
  • a method for obtaining an internet protocol address comprising: receiving identifier information sent by a mobile broadband device, where the identifier information is used to identify a data packet protocol between the mobile broadband device and a network side. PDP connection information;
  • the IP address of the host's Internet protocol is obtained.
  • the receiving the identifier information sent by the mobile broadband device includes:
  • the interrupt report connection message carries a connection identifier corresponding to the connection state of the mobile broadband device and the network side.
  • the setting the value of the status identifier included in the host according to the identifier information includes: The value of the status identifier included in the host is set to a connection identifier corresponding to the connection status of the mobile broadband device and the network side.
  • the setting of the value of the status identifier included in the host is a connection identifier corresponding to the connection status of the mobile broadband device and the network side, including:
  • connection state of the mobile broadband device and the network side is the first connection state, where the first connection state is an IPv4 PDP connection between the mobile broadband device and the network side, the state identifier included in the host is taken Setting a value to the first connection identifier corresponding to the first connection state;
  • connection state of the mobile broadband device and the network side is the second connection state
  • the second connection state is an IPv6 PDP connection between the mobile broadband device and the network side
  • the state identifier included in the host is taken. Setting a value to the second connection identifier corresponding to the second connection state
  • the host includes The value of the status identifier is set to a third connection identifier corresponding to the third connection status.
  • the receiving the identifier information sent by the mobile broadband device includes:
  • interrupt report disconnection message sent by the mobile broadband device, where the interrupt report disconnection message carries a disconnection identifier, where the disconnection identifier is used to identify a disconnected PDP connection between the mobile broadband device and the network side.
  • the setting, according to the identifier information, the value of the status identifier that is included in the host includes: determining, according to the disconnection identifier, a connection status between the mobile broadband device and the network side, and taking the status identifier included in the host The value is set to the connection identifier corresponding to the connection state.
  • the first disconnection identifier is used to identify that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected.
  • Determining, according to the disconnection identifier, a connection state between the mobile broadband device and the network side, and setting a value of the state identifier included in the host to the connection identifier corresponding to the connection state including: if the host includes The value of the status identifier is a first connection identifier, and the mobile broadband device and the network side are in a first connection state before the current time according to the status identifier included in the host, where the first connection status is the mobile broadband device.
  • An IPv4 PDP connection exists between the network side and the network side, and the mobile broadband device and the network side are in a first connection state according to the first disconnection identifier and the current moment, determining that the mobile broadband device is disconnected from the network side at the current moment.
  • Status and setting the host to include The value of the status identifier is an identifier corresponding to the disconnected state;
  • the third connection state is An IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the mobile broadband device is determined to be in the third connection state according to the first disconnection identifier and the mobile broadband device and the network side before the current time.
  • the device and the network side are in a second connection state, where the second connection state is that an IPv6 PDP connection exists between the mobile broadband device and the network side, and the value of the status identifier included in the host is set to be the second connection.
  • the second connection identifier corresponding to the status.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected.
  • Determining, according to the disconnection identifier, a connection state between the mobile broadband device and the network side, and setting a value of the state identifier included in the host to the connection identifier corresponding to the connection state including: if the host includes The value of the status identifier is a second connection identifier, and the mobile broadband device and the network side are in a second connection state before the current time according to the status identifier included in the host, and the second connection status is the mobile broadband device.
  • An IPv6 PDP connection exists between the network side and the network side, and the mobile broadband device and the network side are in a second connection state according to the second disconnection identifier and the current moment, determining that the mobile broadband device is disconnected from the network side at the current moment. a state, and setting a value of the state identifier included in the host as an identifier corresponding to the disconnected state;
  • the third connection state is An IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the mobile broadband is determined according to the second disconnection identifier and the mobile broadband device and the network side in a third connection state before the current moment.
  • the device is in a first connection state with the network side, where the first connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the value of the state identifier included in the host is set to be the first connection.
  • the first connection identifier corresponding to the status.
  • the third disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are simultaneously disconnected, Determining, according to the disconnection identifier, a connection state between the mobile broadband device and the network side, Setting the value of the status identifier included in the host to the connection identifier corresponding to the connection status, including: determining, according to the third disconnection identifier, that the mobile broadband device is disconnected from the network side at the current moment,
  • the mobile broadband device includes: a detecting module, configured to detect data packet protocol PDP connection information with a network side; and obtain an ear block for detecting, if the detecting module detects the mobile The information about the PDP connection between the broadband device and the network side is changed, and the identifier information is obtained, where the identifier information is used to identify PDP connection information between the mobile broadband device and the network side;
  • a sending module configured to send the identifier information obtained by the acquiring module to the host, so that the host obtains an Internet Protocol IP address of the host according to the identifier information.
  • the acquiring module is specifically configured to: if the detecting module detects that a PDP connection is established between the mobile broadband device and the network side, determine a connection state between the mobile broadband device and the network side, and obtain the The connection ID corresponding to the connection status.
  • the sending module is configured to send an interrupt report message to the host, where the interrupt report connection message carries the connection identifier corresponding to the connection status acquired by the acquiring module.
  • the obtaining module includes:
  • a first acquiring unit configured to determine, if the detecting module detects that an IPv4 PDP connection is established between the mobile broadband device and the network side, and the IPv6 PDP connection does not exist between the mobile broadband device and the network side, The mobile broadband device is in a first connection state with the network side, and obtains a first connection identifier corresponding to the first connection state;
  • a second acquiring unit configured to determine, if the detecting module detects that an IPv6 PDP connection is established between the mobile broadband device and the network side, and the IPv4 PDP connection does not exist between the mobile broadband device and the network side, The mobile broadband device is in a second connection state with the network side, and obtains a second connection identifier corresponding to the second connection state;
  • a third obtaining unit specifically configured to: if an IPv4 exists between the mobile broadband device and the network side
  • the detecting module detects that an IPv6 PDP connection is established between the mobile broadband device and the network side, or the detecting module detects the mobile broadband device after the IPv6 PDP connection exists between the mobile broadband device and the network side.
  • Establishing an IPv4 PDP connection with the network side determining that the mobile broadband device is in a third connection state with the network side, and acquiring a third connection identifier corresponding to the third connection state.
  • the acquiring module is specifically configured to: if the detecting module detects that the PDP connection existing between the mobile broadband device and the network side is disconnected, obtain a disconnection identifier, where the disconnection identifier is used to identify the A disconnected PDP connection between the mobile broadband device and the network side.
  • the sending module is configured to send an interrupt reporting disconnection message obtained by the acquiring module to the host, where the interrupt reporting disconnection message carries the disconnection identifier.
  • the obtaining module further includes:
  • a fourth obtaining unit configured to: if the detecting module detects that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected, acquiring a first disconnection identifier, where the first disconnection identifier is used to: Identifying that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected;
  • a fifth obtaining unit configured to: if the detecting module detects that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected, acquire a second disconnection identifier, where the second disconnection identifier is used to: Identifying that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected;
  • a sixth obtaining unit configured to: if the detecting module detects that the IPv4 PDP connection and the IPv6 PDP connection existing between the mobile broadband device and the network side are disconnected at the same time, acquiring a third disconnection identifier, the third The disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are disconnected at the same time.
  • a host comprising:
  • a receiving module configured to receive the identifier information sent by the mobile broadband device, where the identifier information is used to identify a data packet protocol PDP connection information between the mobile broadband device and the network side;
  • a setting module configured to set, according to the identifier information received by the receiving module, a value of a status identifier included in the host;
  • an obtaining module configured to obtain an Internet Protocol IP address of the host if the value of the status identifier set by the setting module is not the disconnected state.
  • the receiving module is specifically configured to receive an interrupt report connection message sent by the mobile broadband device, where the interrupt report connection message carries a connection identifier corresponding to the connection state of the mobile broadband device and the network side.
  • the setting module is specifically configured to set a value of the status identifier included in the host to a connection identifier corresponding to the connection state of the mobile broadband device and the network side.
  • the setting module includes:
  • a first setting unit specifically configured to: if the mobile broadband device is in a connection state with the network side a first connection state, where the first connection state exists between the mobile broadband device and the network side
  • the IPv4 PDP connection sets the value of the status identifier included in the host to the first connection identifier corresponding to the first connection status.
  • a second setting unit specifically configured to: if the connection state of the mobile broadband device and the network side is a second connection state, where the second connection state is an IPv6 PDP connection between the mobile broadband device and the network side, Setting a value of the status identifier included in the host to a second connection identifier corresponding to the second connection state;
  • a third setting unit configured to: if the connection state of the mobile broadband device and the network side is a third connection state, where the third connection state is an IPv4 PDP connection and IPv6 between the mobile broadband device and the network side
  • the PDP connection sets the value of the status identifier included in the host to the third connection identifier corresponding to the third connection status.
  • the receiving module is specifically configured to receive an interrupt report disconnection message sent by the mobile broadband device, where the disconnection disconnect message carries a disconnection identifier, and the disconnection identifier is used to identify the mobile broadband device.
  • the disconnection disconnect message carries a disconnection identifier
  • the disconnection identifier is used to identify the mobile broadband device.
  • the setting module is configured to determine, according to the disconnection identifier received by the receiving module, a connection state between the mobile broadband device and the network side, and set a value of the state identifier included in the host to the The connection ID corresponding to the connection status.
  • the setting module Also includes:
  • the fourth setting unit is specifically configured to: if the value of the status identifier included in the host is the first connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in the first connection state before the current moment,
  • the first connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the mobile broadband device and the network side are in a first connection state according to the first disconnection identifier received by the receiving module and the current time. Determining that the mobile broadband device is disconnected from the network side at the current time, and setting the value of the status identifier included in the host to the identifier corresponding to the disconnected state;
  • the fifth setting unit is specifically configured to: if the value of the status identifier included in the host is the third connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in a third connection state before the current moment, The third connection state is between the mobile broadband device and the network side.
  • the second connection state is an IPv6 PDP connection between the mobile broadband device and the network side
  • the value of the state identifier included in the host is set to be the second connection state.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected, and the setting module is configured. Also includes:
  • the sixth setting unit is specifically configured to: if the value of the status identifier included in the host is the second connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in the second connection state before the current moment,
  • the second connection state is that the mobile broadband device and the network side have an IPv6 PDP connection, and the mobile broadband device and the network side are in a second connection state according to the second disconnection identifier received by the receiving module and the current moment. Determining that the mobile broadband device is disconnected from the network side at the current time, and setting the value of the status identifier included in the host to the identifier corresponding to the disconnected state;
  • the seventh setting unit is specifically configured to: if the value of the status identifier included in the host is the third connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in a third connection state before the current moment,
  • the third connection state is that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the mobile broadband device and the network side are located according to the second disconnection identifier received by the receiving module and the current moment.
  • the third connection state determines that the mobile broadband device is in a first connection state with the network side, where the first connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the host includes The value of the status identifier is the first connection identifier corresponding to the first connection state.
  • the third disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are simultaneously disconnected.
  • the setting module further includes:
  • the eighth setting unit is configured to determine, according to the third disconnection identifier received by the receiving module, that the mobile broadband device is disconnected from the network side at the current moment, and set the value of the state identifier included in the host to be the The ID corresponding to the disconnected state.
  • a system for obtaining an internet protocol address comprising: Broadband devices and hosts.
  • a mobile broadband device comprising a processor and a memory for performing a method of obtaining an internet protocol address.
  • a host including a processor and a memory for performing a method of obtaining an internet protocol address.
  • the mobile broadband device sends the identification information to the host, so that the host sets the value of the status identifier included in the host according to the identifier information.
  • the value of the different status identifiers corresponds to the connection status of the different mobile broadband devices and the network side, as long as the status identifier is obtained.
  • the value of the non-disconnected state indicates that the host queries the mobile broadband device for the IP address. The host disconnects from the network side as long as the value of the state identifier is the identifier corresponding to the disconnected state.
  • the host does not need a network in obtaining an IPv4 address and an IPv6 address. Disconnected, does not cause user data service interruption, and after the host obtains the IPv4 address and the IPv6 address, after the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection are disconnected, the host It is also possible to obtain an IP address corresponding to another PDP connection and connect to the corresponding network so that the user can use the available network more efficiently.
  • FIG. 1 is a flowchart of a method for obtaining an IP address according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a method for obtaining an IP address according to Embodiment 2 of the present invention
  • FIG. 3 is a flowchart of a method for obtaining an IP address according to Embodiment 3 of the present invention.
  • Embodiment 4 is a schematic structural diagram of another host provided by Embodiment 3 of the present invention.
  • FIG. 5 is a flowchart of a method for obtaining an IP address according to Embodiment 4 of the present invention.
  • FIG. 6 is a flowchart of a method for obtaining an IP address according to Embodiment 5 of the present invention
  • 7 is a flowchart of a method for obtaining an IP address according to Embodiment 6 of the present invention.
  • FIG. 8 is a flowchart of another method for obtaining an IP address according to Embodiment 6 of the present invention.
  • FIG. 9 is a schematic structural diagram of a mobile broadband device according to Embodiment 7 of the present invention.
  • FIG. 10 is a schematic structural diagram of another mobile broadband device according to Embodiment 7 of the present invention
  • FIG. 11 is a schematic structural diagram of a host according to Embodiment 8 of the present invention
  • FIG. 12 is a schematic structural diagram of another host according to Embodiment 8 of the present invention.
  • FIG. 13 is a schematic structural diagram of a system for obtaining an IP address according to Embodiment 9 of the present invention. detailed description
  • Embodiment 1 provides a method for obtaining an Internet Protocol address. Referring to FIG. 1, the method specifically includes:
  • the identifier information is obtained, where the identifier information is used to identify PDP connection information between the mobile broadband device and the network side.
  • the method provided by the embodiment of the present invention sends the identifier information to the host through the mobile broadband device, so that the host obtains the IP address of the host according to the identifier information.
  • the mobile broadband device no matter whether the mobile broadband device establishes an IPv4 PDP connection and an IPv6 PDP connection in a sequence or a time interval, the host does not need a network in obtaining the IPv4 address and the IPv6 address. Disconnected, will not cause user data service disruption.
  • Embodiment 2 This embodiment provides a method for obtaining an Internet Protocol address. Referring to FIG. 2, the method is specific. Includes:
  • 201 Receive identifier information sent by the mobile broadband device, where the identifier information is used to identify data packet protocol PDP connection information between the mobile broadband device and the network side.
  • 202 Set a value of the status identifier included in the host according to the identifier information.
  • 203 If the value of the status identifier is an identifier corresponding to the non-disconnected state, obtain an IP address of the host.
  • the method provided by the embodiment of the present invention receives the identifier information sent by the mobile broadband device, and sets the value of the state identifier included in the host according to the identifier information, as long as the value of the state identifier is not disconnected. ID, the host can query and obtain an IP address.
  • the host does not need a network in obtaining the IPv4 address and the IPv6 address. Disconnected, will not cause user data service disruption.
  • the embodiment of the invention provides a method for obtaining an internet protocol address.
  • the host is connected to the mobile broadband device, and the mobile broadband device supports the IPv4 and IPv6 dual stack.
  • the host can obtain the IPv4 address corresponding to the IPv4 PDP connection and the IPv6 address corresponding to the IPv6 PDP connection by using the method in this embodiment. Referring to FIG.
  • the method includes: 301: A mobile broadband device detects PDP connection information with a network side, and if an IPv4 PDP connection is established with the network side and an IPv6 PDP connection does not exist between the mobile broadband device and the network side, And determining that the mobile broadband device is in the first connection state with the network side, and acquiring the first connection identifier corresponding to the first connection state.
  • the mobile broadband device may be a device that can provide a wireless connection network function, such as a 3G network card or a mobile phone.
  • the present invention does not specifically limit the mobile broadband device.
  • the mobile broadband device acquires an IPv4 address corresponding to the IPv4 PDP connection and stores it in the mobile broadband device.
  • the first connection state is an IPv4 PDP connection between the mobile broadband device and the network side.
  • the size of the first connection identifier may be 1 byte or 2 bytes, and the value of the first connection identifier may be 1 or 2, and the specific size and specific value of the first connection identifier are not limited herein. .
  • the mobile broadband device sends an interrupt report connection message to the host, where the interrupt report connection message carries the first connection identifier corresponding to the first connection state.
  • connection identifier field is added to the interrupt report connection message, where the connection identifier field is used to carry the first connection identifier corresponding to the first connection state.
  • the host may be a device such as a personal laptop that can be connected to the network side by using a mobile broadband device, and the host is not specifically limited.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host according to the first connection identifier corresponding to the first connection state carried in the connection report.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the first connection identifier corresponding to the first connection state carried in the interrupt report connection message.
  • the host includes a network card driver and a host protocol stack, and the network card driver of the host includes a status identifier.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and reports the first connection status carried by the connection message according to the interrupt.
  • the corresponding first connection identifier sets the value of the status identifier that is included in the host, and may specifically include:
  • the NIC driver receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the first connection identifier corresponding to the first connection state carried in the interrupt report connection message.
  • the host determines the identifier corresponding to the status identifier of the host that is not in the disconnected state, and obtains the IP address of the host. If the value of the status identifier included in the host changes, the host determines the value of the status identifier. If the identifier of the status identifier is not the disconnected status, the host obtains the IP address of the host. Connect to the network side; if it is determined that the value of the status identifier is the disconnected state The identity of the host disconnects from the network side.
  • the identifier of the status identifier is disconnected from the non-disconnected state, and the network card driver sends a report of the connection status message to the host protocol stack; after receiving the report connection status message sent by the network card driver, the host protocol stack initializes the operation of the host network card, and then Sending a query command to the mobile broadband device, receiving the query response returned by the mobile broadband device, obtaining the IP address carried in the query response, and connecting to the network side; if it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, The NIC driver sends a disconnect status message to the host protocol stack, and the host protocol stack disconnects from the network side.
  • the identifier corresponding to the disconnected state is used to identify that the mobile broadband device is disconnected from the network side.
  • the value of the status identifier included in the host is the first connection identifier, indicating that there is an IPv4 PDP connection between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the identifier corresponding to the value of the non-disconnected state is sent to the host protocol stack; after receiving the report of the connection status message sent by the network card driver, the host protocol stack initializes the operation of the host network card, and then sends an inquiry command to the mobile broadband
  • the mobile broadband device receives the query command sent by the host protocol stack, obtains the IPv4 address corresponding to the IPv4 PDP connection stored by itself, and sends a query response to the host protocol stack, where the query response carries the acquired IPv4 address; the host protocol stack receives the mobile broadband device. After the sent query response, the IPv4 address carried in the query response is obtained and connected to the IPv4 network.
  • An IPv4 PDP connection exists between the mobile broadband device and the network side.
  • the mobile broadband device If it is detected that an IPv6 PDP connection is established with the network side, it is determined that the mobile broadband device is in the third connection state with the network side, and obtains the third connection state corresponding to the third connection state. Connection identifier.
  • the mobile broadband device obtains the IPv6 address corresponding to the IPv6 PDP connection and stores it in the mobile broadband device.
  • the mobile broadband device stores the IPv4 address corresponding to the IPv4 PDP connection and the IPv6 PDP connection corresponding to the IPv6. address.
  • the third connection state is that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the size of the third connection identifier may be 1 byte or 2 bytes, etc., and the value of the third connection identifier is It can be 3 or 4, etc., and the specific size and specific value of the third connection identifier are not Make a limit.
  • the mobile broadband device sends an interrupt report connection message to the host, where the interrupt report connection message carries a third connection identifier corresponding to the third connection state.
  • the connection identifier field in the interrupt report connection message is used to carry the third connection identifier corresponding to the third connection state.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host according to the third connection identifier corresponding to the third connection state carried in the connection report.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the third connection identifier corresponding to the third connection state carried in the interrupt report connection message.
  • the network card driver included in the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the third connection identifier corresponding to the third connection state carried in the interrupt report connection message.
  • the host determines, by the host, an identifier corresponding to the value of the status identifier included in the non-disconnected state, and obtains an IP address of the host.
  • the host has a connection with the IPv4 network.
  • the host determines that the value of the status identifier included in the host is not the disconnected state, the host does not disconnect the IPv4 network, but sends the IP address of the host stored by the broadband device. Address, at this time It is determined that the value of the status identifier is not the identifier corresponding to the disconnected state.
  • the value of the status identifier included in the host is a third connection identifier, indicating that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and Determining the identifier corresponding to the non-disconnected state of the status identifier, sending a report of the connection status message to the host protocol stack; the host protocol stack receiving the report of the connection status status sent by the network card driver, not disconnecting the connection with the IPv4 network, but sending Query commands to mobile broadband devices;
  • the dynamic broadband device receives the query command sent by the host protocol stack, obtains the IPv4 address corresponding to the IPv4 PDP connection and the IPv6 address corresponding to the IPv6 PDP connection, and sends a query response to the host protocol stack, and the query response carries the acquired IPv4 address and IPv6.
  • the host protocol stack After receiving the query response sent by the mobile broadband device, the host protocol stack obtains the IPv4 address and the IPv6 address carried by the query response. Since the host is connected to the IPv4 network, the host connects to the IPv6 network according to the IPv6 address carried in the query response.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address.
  • the host disconnects. Connection to the network side.
  • the host does not need a network in obtaining the IPv4 address and the IPv6 address. Disconnected, will not cause user data service disruption.
  • Embodiment 4 This embodiment of the present invention provides a method for obtaining an internet protocol address.
  • the host is connected to the mobile broadband device, and the mobile broadband device supports the IPv4 and IPv6 dual stack. First, there is no PDP connection between the mobile broadband device and the network side. If the mobile broadband device establishes an IPv6 PDP connection with the network side, the IPv4 PDP is established. The host can obtain the IPv6 address corresponding to the IPv6 PDP connection and the IPv4 address corresponding to the IPv4 PDP connection by using the method in this embodiment. Referring to Figure 5, the method includes:
  • the mobile broadband device detects the PDP connection information between the network side and the network side. If it is detected that an IPv6 PDP connection is established with the network side, and there is no IPv4 PDP connection between the mobile broadband device and the network side, it is determined that the mobile broadband device is located at the network side.
  • the second connection state acquires a second connection identifier corresponding to the second connection state.
  • the mobile broadband device may be a device that can provide a wireless connection network function, such as a 3G network card or a mobile phone. The present invention does not specifically limit the mobile broadband device.
  • the mobile broadband device acquires an IPv6 address corresponding to the IPv6 PDP connection and stores it in the mobile broadband device.
  • the second connection state is that an IPv6 PDP connection exists between the mobile broadband device and the network side, and the size of the second connection identifier may be 1 byte or 2 bytes, and the value of the second connection identifier may be 5 or 6 et al., the specific size and specific value of the second connection identifier are not limited herein.
  • the mobile broadband device sends an interrupt reporting connection message to the host, where the interrupt reporting connection message carries the second connection identifier corresponding to the second connection state.
  • the connection identifier field is added to the interrupt report connection message, where the connection identifier field is used to carry the second connection identifier corresponding to the second connection state.
  • the host may be a device such as a personal laptop that can be connected to the network side by using a mobile broadband device, and the host is not specifically limited.
  • 503 The host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host according to the second connection identifier corresponding to the second connection state carried in the connection report.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the second connection identifier corresponding to the second connection state carried in the interrupt report connection message.
  • the host includes a network card driver and a host protocol stack, and the network card driver included in the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the second connection state carried in the interrupt report connection message. Corresponding second connection identifier.
  • the host determines, by the host, an identifier corresponding to the value of the status identifier included in the non-disconnected state, and obtains an IP address of the host. If the value of the status identifier included in the host changes, the host determines the value of the status identifier. If the identifier of the status identifier is not the disconnected status, the host obtains the IP address of the host. Connect to the network side. If it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects from the network side.
  • the identifier of the status identifier is disconnected from the non-disconnected state, and the network card driver sends a report of the connection status message to the host protocol stack; after receiving the report status message sent by the network card driver, the host protocol stack performs the Initializing the operation of the host network card, and then sending a query command to the mobile broadband device, receiving the query response returned by the mobile broadband device, obtaining the IP address carried in the query response, and connecting to the network side; if it is determined that the value of the status identifier is broken.
  • the identifier corresponding to the open state the network card driver sends a report of the disconnection status message to the host protocol stack, and the host protocol stack disconnects from the network side.
  • the identifier corresponding to the disconnected state is used to identify that the mobile broadband device is disconnected from the network side.
  • the value of the status identifier included in the host is a second connection identifier, indicating that an IPv6 PDP connection exists between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the identifier corresponding to the value of the non-disconnected state is sent to the host protocol stack; after receiving the report of the connection status message sent by the network card driver, the host protocol stack initializes the operation of the host network card, and then sends an inquiry command to the mobile broadband
  • the mobile broadband device receives the query command sent by the host protocol stack, obtains the IPv6 address corresponding to the IPv6 PDP connection, and sends the query response to the host protocol stack.
  • the query response carries the obtained IPv6 address; the query response sent by the host cooperative device After obtaining the IPv6 address carried by the query response,
  • An IPv6 PDP connection exists between the mobile broadband device and the network side. If it is detected that an IPv4 PDP connection is established with the network side, it is determined that the mobile broadband device is in a third connection state with the network side, and obtains a third connection state corresponding to the third connection state. Connection identifier.
  • the mobile broadband device obtains the IPv4 address corresponding to the IPv4 PDP connection and stores it in the mobile broadband device. At this time, the mobile broadband device stores the IPv4 address corresponding to the IPv4 PDP connection and the IPv6 PDP connection corresponding to the IPv6. address.
  • the third connection state is that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the size of the third connection identifier may be 1 byte or 2 bytes, etc., and the value of the third connection identifier is It can be 3 or 4, etc., and the specific size and specific value of the third connection identifier are not limited herein.
  • the mobile broadband device sends an interrupt report connection message to the host, where the interrupt report connection message carries a third connection identifier corresponding to the third connection state.
  • the connection identifier field in the interrupt report connection message is used to carry the third connection status.
  • the third connection identifier is used to carry the third connection identifier.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host according to the third connection identifier corresponding to the third connection state carried in the connection report.
  • the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the third connection identifier corresponding to the third connection state carried in the interrupt report connection message.
  • the network card driver included in the host receives the interrupt report connection message sent by the mobile broadband device, and sets the value of the status identifier included in the host to the third connection identifier corresponding to the third connection state carried in the interrupt report connection message.
  • the host determines, according to the identifier corresponding to the non-disconnected state of the status identifier included in the host, obtains the IP address of the host.
  • the host has a connection with the IPv6 network.
  • the host determines the identifier of the status identifier of the host that is not disconnected, the host does not disconnect the IPv6 network, but sends the IP of the host stored by the broadband device. Address, at this time
  • the value of the status identifier is not the identifier corresponding to the disconnected status.
  • the value of the status identifier included in the host is a third connection identifier, indicating that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and The identifier corresponding to the non-disconnected state of the status identifier is determined, and the connection connection status message is sent to the host protocol stack; after receiving the report connection status message sent by the network card driver, the host protocol stack does not disconnect the connection with the IPv6 network, but Sending a query command to the mobile broadband device; the mobile broadband device receives the query command sent by the host protocol stack, obtains the IPv4 address corresponding to the IPv4 PDP connection and the IPv6 address corresponding to the IPv6 PDP connection, and sends a query response to the host protocol stack, the query The response carries the acquired IPv4 address and the IPv6 address.
  • the host protocol stack After receiving the query response sent by the mobile broadband device, the host protocol stack obtains the IPv4 address and the IPv6 address carried by the query response. Since the host is connected to the IPv6 network, the host carries the response according to the query. IPv4 address reconnection Go to the IPv4 network.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address.
  • the host disconnects. Connection to the network side.
  • the host does not need a network in obtaining the IPv4 address and the IPv6 address. Disconnected, will not cause user data service disruption.
  • Embodiment 5 An embodiment of the present invention provides a method for obtaining an Internet Protocol address.
  • the host is connected to the mobile broadband device, and the mobile broadband device supports the IPv4 and IPv6 dual stack.
  • the host can obtain the IPv6 address corresponding to the IPv6 PDP connection existing between the mobile broadband device and the network side, and connect to the IPv6 network, and the IPv6 PDP connection exists between the mobile broadband device and the network side. When disconnected, the host disconnects from the network side. See Figure 6, which includes:
  • the mobile broadband device detects the PDP connection information between the mobile broadband device and the network side. If the IPv4 PDP connection between the network side and the network side is detected to be disconnected, Get the first disconnected identifier.
  • the mobile broadband device may be a device that can provide a wireless connection network function, such as a 3G network card or a mobile phone. The present invention does not specifically limit the mobile broadband device.
  • the mobile broadband device has an IPv4 PDP connection and an IPv6 PDP connection between the network side and the network side.
  • the mobile broadband device disconnects from the IPv4 PDP connection on the network side, only the IPv6 PDP is left between the mobile broadband device and the network side. connection.
  • the mobile broadband device releases the IPv4 address corresponding to the stored IPv4 PDP connection.
  • the mobile broadband device only stores the IPv6 address corresponding to the IPv6 PDP connection.
  • the reason why the IPv4 PDP connection is disconnected may be that the network signal is insufficient, or the user actively disconnects the mobile broadband device from the network side.
  • the first disconnection identifier is used to identify that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected, and the word length of the first disconnection identifier may be 1 byte or 2 bytes, etc., the first disconnection The value of the identifier may be 1 or 2, etc., and the specific size and specific value of the first disconnect identifier are not limited herein.
  • the mobile broadband device sends an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the first disconnect identifier.
  • the disconnection identifier field is added to the interrupted report disconnection message, and the disconnection identifier field is used to carry the first disconnection identifier.
  • the host may be a device such as a personal laptop that can be connected to the network side by using a mobile broadband device, and the host is not specifically limited.
  • the host receives the interrupt report disconnection message sent by the mobile broadband device, and determines, according to the first disconnect identifier carried in the interrupt report disconnection message, the connection status between the mobile broadband device and the network side, and the value of the status identifier included in the host Set to the connection ID corresponding to the connection status.
  • the value of the status identifier included in the host before the current time is the third connection identifier, and the mobile broadband device and the network side are in the third connection state before the current time according to the status identifier included in the host, and the third connection state is the mobile broadband device.
  • An IPv4 PDP connection and an IPv6 PDP connection exist between the network side and the network side; the first disconnection identifier carried in the disconnection message is reported according to the interruption, and the mobile broadband device and the network side are in a third connection state before the current time, and the current time mobile broadband device is determined.
  • the second connection state is that the mobile broadband device and the network side have an IPv6 PDP connection, and the value of the status identifier included in the host is set to be the second connection identifier corresponding to the second connection state.
  • the host includes a network card driver and a host protocol stack.
  • the network card driver determines that the mobile broadband device and the network side are in the third connection state before the current time according to the value of the status identifier included in the host before the current time, and reports the fault according to the interrupt. Disconnecting the first disconnection identifier carried by the message and the mobile broadband device and the network side are in a third connection state before the current moment, determining a second connection state of the mobile broadband device and the network side at the current moment, and taking the state identifier included in the host The value is set to a second connection identifier corresponding to the second connection state. 604: The host determines, according to the identifier corresponding to the non-disconnected state of the status identifier included in the host, obtains the IP address of the host.
  • the host determines the value of the status identifier. If the identifier of the status identifier is not the disconnected status, the host obtains the IP address of the host. Connect to the network side. If it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects from the network side.
  • the identifier of the status identifier is disconnected from the non-disconnected state, and the network card driver sends a report of the connection status message to the host protocol stack.
  • the host protocol stack After receiving the report of the connection status message sent by the network card driver, the host protocol stack sends an inquiry command to the mobile broadband device.
  • Receiving the query response returned by the mobile broadband device obtaining the IP address of the host carried in the query response, and connecting to the network side; if it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, the network card driver sends the report to be disconnected.
  • the status message is sent to the host protocol stack, and the host protocol stack is disconnected from the network side.
  • the identifier corresponding to the disconnected state is used to identify that the mobile broadband device is disconnected from the network side.
  • the value of the status identifier included in the host is a second connection identifier, indicating that an IPv6 PDP connection exists between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the identifier corresponding to the value of the disconnected state is sent to the host protocol stack; the host protocol stack receives the report of the connection status sent by the network card driver, and sends an inquiry command to the mobile broadband device; the mobile broadband device receives the host protocol.
  • the query command sent by the stack obtains the IPv6 address corresponding to the IPv6 PDP connection stored by the stack, and sends a query response to the host protocol stack, where the query response carries the acquired IPv6 address.
  • the host protocol stack After receiving the query response sent by the mobile broadband device, the host protocol stack acquires the query. Query the IPv6 address carried in the response and continue to connect to the IPv6 network. At this time, the host does not obtain an IPv4 address and disconnects from the IPv4 network. 605: There is only an IPv6 PDP connection between the mobile broadband device and the network side. If the IPv6 PDP connection between the network side and the network side is detected to be disconnected, the second disconnection identifier is obtained. There is only an IPv6 PDP connection between the mobile broadband device and the network side. When the mobile broadband device disconnects from the IPv6 PDP connection on the network side, the mobile broadband device does not exist between the network side and the network side. PDP connection.
  • the mobile broadband device releases the IPv6 address corresponding to the stored IPv6 PDP connection, and the mobile broadband device does not store the IP address.
  • the reason why the IPv6 PDP connection is disconnected may be that the network signal is insufficient, or the user actively disconnects the mobile broadband device from the network side.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected, and the word length of the second disconnection identifier may be 1 byte or 2 bytes, etc., and the second disconnection The value of the identifier may be 3 or 4, etc., and the specific size and specific value of the second disconnect identifier are not limited herein.
  • the mobile broadband device sends an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the second disconnect identifier.
  • the disconnection identifier field in the interrupted disconnect message is used to carry the second disconnect identifier.
  • the host receives the interrupt report disconnection message sent by the mobile broadband device, and determines, according to the second disconnect identifier carried in the interrupt report disconnection message, the connection status between the mobile broadband device and the network side, and the value of the status identifier included in the host Set to the connection ID corresponding to the connection status.
  • the value of the status identifier included in the host before the current time is the second connection identifier, and the mobile broadband device and the network side are in the second connection state before the current time according to the status identifier included in the host, and the second connection state is the mobile broadband device.
  • An IPv6 PDP connection exists between the network side and the network side; the second disconnection identifier carried in the disconnection message according to the interruption report and the mobile broadband device and the network side are in the second connection state before the current time, determining that the mobile broadband device and the network side are in the current moment In the disconnected state, the value of the status identifier included in the host is set to be the identifier corresponding to the disconnected state.
  • the NIC driver of the host determines that the mobile broadband device and the network side are in the second connection state before the current time according to the value of the state identifier included in the host before the current time, and the second message is carried according to the interruption report message.
  • the mobile broadband device and the network side are in the second connection state, and the mobile broadband device is in the disconnected state, and the value of the state identifier included in the host is set to the identifier corresponding to the disconnected state.
  • the host determines that the value of the status identifier included in the host is an identifier corresponding to the disconnected state, and disconnects from the network side.
  • the value of the status identifier is the identifier corresponding to the disconnected state.
  • the value of the status identifier included in the host is an identifier corresponding to the disconnected state, indicating that the mobile broadband device is disconnected from the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the value of the identifier is the identifier corresponding to the disconnected state
  • the report disconnecting status message is sent to the host protocol stack. After receiving the report disconnection status message sent by the network card driver, the host protocol stack disconnects the network side.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address. As long as the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects. Connection to the network side. Compared with the prior art, after the host obtains the IPv4 address and the IPv6 address, the host still disconnects the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection. The IP address corresponding to another PDP connection can be obtained and connected to the corresponding network, so that the user can use the available network more efficiently.
  • Embodiment 6 An embodiment of the present invention provides a method for obtaining an Internet Protocol address.
  • the host is connected to the mobile broadband device, and the mobile broadband device supports the IPv4 and IPv6 dual stack.
  • the host can obtain the IPv4 address corresponding to the IPv4 PDP connection existing between the mobile broadband device and the network side, and connect to the IPv4 network, and the IPv4 PDP connection exists between the mobile broadband device and the network side. When disconnected, the host disconnects from the network side. See Figure 7, which includes:
  • the mobile broadband device detects the PDP connection information between the mobile broadband device and the network side. If the IPv6 PDP connection between the network side and the network side is detected to be disconnected, Get the second disconnected identifier.
  • the mobile broadband device may be a device that can provide a wireless connection network function, such as a 3G network card or a mobile phone. The present invention does not specifically limit the mobile broadband device.
  • the mobile broadband device has an IPv4 PDP connection and an IPv6 PDP connection between the network side and the network side.
  • the mobile broadband device disconnects from the IPv6 PDP connection on the network side, only the IPv4 PDP is left between the mobile broadband device and the network side. connection.
  • the mobile broadband device releases the IPv6 address corresponding to the stored IPv6 PDP connection.
  • the mobile broadband device stores only the IPv4 address corresponding to the IPv4 PDP connection.
  • the reason why the IPv6 PDP connection is disconnected may be that the network signal is insufficient, or the user actively disconnects the mobile broadband device from the network side.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected, and the word length of the second disconnection identifier may be 1 byte or 2 bytes, etc., and the second disconnection The value of the identifier may be 3 or 4, etc., and the specific size and specific value of the second disconnect identifier are not limited herein.
  • the mobile broadband device sends an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the second disconnect identifier.
  • the disconnection identifier field is added to the interrupted report disconnection message, and the disconnection identifier field is used to carry the second disconnection identifier.
  • the host may be a device such as a personal laptop that can be connected to the network side by using a mobile broadband device, and the host is not specifically limited.
  • the host receives the interrupt report disconnection message sent by the mobile broadband device, and determines, according to the second disconnect identifier carried in the interrupt report disconnection message, the connection status between the mobile broadband device and the network side, and the value of the status identifier included in the host Set to the connection ID corresponding to the connection status.
  • the value of the status identifier included in the host before the current time is the third connection identifier, and the mobile broadband device and the network side are in the third connection state before the current time according to the status identifier included in the host, and the third connection state is the mobile broadband device.
  • the first connection state is the first connection state
  • the first connection state is that the mobile broadband device and the network side have an IPv4 PDP connection
  • the value of the status identifier included in the host is set to be the first connection identifier corresponding to the first connection state.
  • the host includes a network card driver and a host protocol stack.
  • the network card driver determines that the mobile broadband device and the network side are in the third connection state before the current time according to the value of the status identifier included in the host before the current time, and reports the fault according to the interrupt. Disconnecting the second disconnection identifier carried by the message and the mobile broadband device and the network side are in a third connection state before the current moment, determining the first connection state of the mobile broadband device and the network side at the current moment, and taking the state identifier included in the host The value is set to the first connection identifier corresponding to the first connection state.
  • the host determines, by the host, that the value of the status identifier included in the host is an identifier corresponding to the non-disconnected state, and obtains an IP address of the host. If the value of the status identifier included in the host changes, the host determines the value of the status identifier. If the identifier of the status identifier is not the disconnected status, the host obtains the IP address of the host. Connect to the network side. If it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects from the network side.
  • the identifier corresponding to the non-disconnected state of the status identifier is disconnected, and the network card driver sends a connection status message to the host protocol stack.
  • the host protocol stack After receiving the report connection status message sent by the network card driver, the host protocol stack sends an inquiry command to the mobile broadband.
  • the device receives the query response returned by the mobile broadband device, obtains the IP address of the host carried in the query response, and connects to the network side; if it is determined that the value of the status identifier is the identifier corresponding to the disconnected state, the network card driver sends and reports The status message is disconnected to the host protocol stack, and the host protocol stack is disconnected from the network side.
  • the identifier corresponding to the disconnected state is used to identify that the mobile broadband device is disconnected from the network side.
  • the value of the status identifier included in the host is the first connection identifier, indicating that there is an IPv4 PDP connection between the mobile broadband device and the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the identifier corresponding to the value of the disconnected state is sent to the host protocol stack; the host protocol stack receives the report of the connection status sent by the network card driver, and sends an inquiry command to the mobile broadband device; the mobile broadband device receives the host protocol.
  • the query command sent by the stack obtains the IPv4 address corresponding to the IPv4 PDP connection stored by the stack, and sends a query response to the host protocol stack.
  • the query response carries the obtained IPv4 address.
  • the host protocol stack After receiving the query response sent by the mobile broadband device, the host protocol stack obtains the IPv4 address carried by the query response, and continues to connect to the IPv4 network. At this time, the host does not obtain the IPv6 address, and the host disconnects. The connection to the IPv6 network.
  • IPv4 PDP connection exists between the mobile broadband device and the network side. If the IPv4 PDP connection between the mobile device and the network is disconnected, the first disconnected identifier is obtained. There is only an IPv4 PDP connection between the mobile broadband device and the network side. When the mobile broadband device is disconnected from the IPv4 PDP connection on the network side, there is no PDP connection between the mobile broadband device and the network side. When an IPv4 PDP connection is broken, the mobile broadband device releases the IPv4 address corresponding to the stored IPv4 PDP connection. At this time, the mobile broadband device does not store the IP address.
  • the reason why the IPv4 PDP connection is disconnected may be that the network signal is insufficient, or the user actively disconnects the mobile broadband device from the network side.
  • the first disconnection identifier is used to identify that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected, and the word length of the first disconnection identifier may be 1 byte or 2 bytes, etc., the first disconnection The value of the identifier may be 1 or 2, etc., and the specific size and specific value of the second disconnect identifier are not limited herein.
  • the mobile broadband device sends an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the first disconnect identifier.
  • the disconnection identifier field in the interrupted disconnect message is used to carry the first disconnect identifier.
  • the host receives the interrupt report disconnection message sent by the mobile broadband device, and determines, according to the first disconnect identifier carried in the interrupt report disconnection message, the connection status between the mobile broadband device and the network side, and the value of the status identifier included in the host Set to the connection ID corresponding to the connection status.
  • the value of the status identifier included in the host before the current time is the first connection identifier
  • the mobile broadband device and the network side are in the first connection state before the current time according to the status identifier included in the host, and the first connection state is the mobile broadband device.
  • An IPv4 PDP connection exists between the network side and the network side; the first disconnection identifier carried in the disconnection message according to the interruption report and the mobile broadband device and the network side are in the first connection state before the current time, determining that the mobile broadband device and the network side are in the current moment In the disconnected state, the value of the status identifier included in the host is set to be the identifier corresponding to the disconnected state.
  • the NIC driver of the host determines, according to the value of the status identifier that is included in the host before the current time, that the mobile broadband device and the network side are in the first connection state before the current time, and the first message is sent according to the interruption report message.
  • the mobile broadband device and the network side are in the first connection state, and the mobile broadband device is disconnected from the network side, and the value of the status identifier included in the host is set to the identifier corresponding to the disconnected state.
  • the host determines that the value of the status identifier included in the host is an identifier corresponding to the disconnected state, and disconnects from the network side.
  • the value of the status identifier is the identifier corresponding to the disconnected state.
  • the value of the status identifier included in the host is an identifier corresponding to the disconnected state, indicating that the mobile broadband device is disconnected from the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the value of the identifier is the identifier corresponding to the disconnected state, and the report disconnecting status message is sent to the host protocol stack. After receiving the report disconnection status message sent by the network card driver, the host protocol stack disconnects the network side.
  • the mobile broadband device detects that the IPv4 PDP connection and the IPv4 PDP connection with the network side are simultaneously disconnected, the host disconnects from the network side. See Figure 8, the steps are as follows:
  • the mobile broadband device has an IPv4 PDP connection and an IPv6 PDP connection between the network side and the network side. When the mobile broadband device disconnects from the IPv4 PDP connection and the IPv6 PDP connection on the network side, the mobile broadband device does not exist between the mobile broadband device and the network side. PDP connection.
  • the mobile broadband device releases the IPv4 address corresponding to the stored IPv4 PDP connection and the IPv6 address corresponding to the IPv6 PDP connection. At this time, the mobile broadband device does not store the IP address.
  • the reason why the IPv4 PDP connection and the IPv6 PDP connection are disconnected at the same time may be that the network signal is insufficient, or the user actively disconnects the mobile broadband device from the network side.
  • the third disconnection identifier is used to identify an IPv4 PDP connection between the mobile broadband device and the network side.
  • the IPv6 PDP connection is disconnected at the same time.
  • the third disconnection identifier may be 1 byte or 2 bytes, and the third disconnect identifier may be 5 or 6, etc.
  • the specific size and specific value of the disconnected identifier are not limited.
  • the mobile broadband device sends an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the third disconnect identifier.
  • the disconnection identifier field in the interrupted disconnect message is used to carry the third disconnect identifier.
  • the host receives the interrupt report disconnection message sent by the mobile broadband device, and determines, according to the third disconnect identifier carried in the interrupt report disconnection message, the connection status between the mobile broadband device and the network side, and the value of the status identifier included in the host Set to the connection ID corresponding to the connection status. And determining, according to the third disconnection identifier carried in the interrupted report disconnection message, that the mobile broadband device is disconnected from the network side at the current moment, and the value of the state identifier included in the host is set to be an identifier corresponding to the disconnected state.
  • the host includes a network card driver and a host protocol stack, and the network card driver determines, according to the third disconnection identifier carried in the disconnection report disconnection message, the disconnected state of the mobile broadband device and the network side at the current moment, and the status identifier of the host is included.
  • the value is set to the ID corresponding to the disconnected state.
  • the host determines that the value of the status identifier included in the host is an identifier corresponding to the disconnected state, and disconnects from the network side.
  • the value of the status identifier is the identifier corresponding to the disconnected state.
  • the value of the status identifier included in the host is an identifier corresponding to the disconnected state, indicating that the mobile broadband device is disconnected from the network side, and the network card driver determines the value of the status identifier, and determines the status.
  • the value of the identifier is the identifier corresponding to the disconnected state, and the report disconnecting status message is sent to the host protocol stack; the host protocol stack receives the report disconnection status message sent by the network card driver, and disconnects from the network side.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier
  • the host corresponds to the identifier of the non-disconnected state, and the host queries the mobile broadband device for the IP address.
  • the host disconnects from the network side as long as the value of the status identifier is the identifier corresponding to the disconnected state.
  • the host After the host obtains the IPv4 address and the IPv6 address, the host still disconnects the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection.
  • the IP address corresponding to another PDP connection can be obtained and connected to the corresponding network, so that the user can use the available network more efficiently.
  • Embodiment 7 The embodiment of the present invention provides a mobile broadband device, which is used to perform the method for obtaining an Internet Protocol address provided by any one of Embodiments 1 to 6.
  • the mobile broadband device includes: a detecting module 901, configured to detect PDP connection information with the network side; and an obtaining module 902, configured to: if the detecting module 901 detects a PDP connection between the mobile broadband device and the network side If the information is changed, the identifier information is obtained, and the identifier information is used to identify the PDP connection information between the mobile broadband device and the network side.
  • the sending module 903 is configured to send the identifier information acquired by the obtaining module 902 to the host, so that the host according to the identifier information.
  • the obtaining module 902 is specifically configured to: if the detecting module 901 detects that the mobile broadband device establishes a PDP connection with the network side, determine a connection state between the mobile broadband device and the network side, and obtain a connection identifier corresponding to the connection state.
  • the sending module 903 is specifically configured to send an interrupt reporting connection message to the host, and the interrupt reporting connection message carries the connection identifier corresponding to the connection status acquired by the obtaining module 902.
  • the obtained block 902 includes:
  • the first obtaining unit 904 is specifically configured to: if the detecting module 901 detects that an IPv4 PDP connection is established between the mobile broadband device and the network side, and the IPv6 PDP connection does not exist between the mobile broadband device and the network side, determine the mobile broadband device and the network side.
  • a first connection state acquiring a first connection identifier corresponding to the first connection state
  • the second obtaining unit 905 is specifically configured to: if the detecting module 901 detects that an IPv6 PDP connection is established between the mobile broadband device and the network side, and the IPv4 PDP connection does not exist between the mobile broadband device and the network side, determine the mobile broadband device and the network side.
  • a second connection state acquiring a second connection identifier corresponding to the second connection state;
  • the third obtaining unit 906 is specifically configured to: if there is an IPv4 between the mobile broadband device and the network side
  • the detection module 901 detects that an IPv6 PDP connection is established between the mobile broadband device and the network side, or the IPv6 PDP connection exists between the mobile broadband device and the network side.
  • the detection module 901 detects that an IPv4 PDP is established between the mobile broadband device and the network side.
  • the connection determines that the mobile broadband device is in the third connection state with the network side, and obtains the third connection identifier corresponding to the third connection state.
  • the obtaining module 902 is specifically configured to: if the detecting module 901 detects that the PDP connection is disconnected between the mobile broadband device and the network side, obtain the disconnection identifier, where the disconnection identifier is used to identify that the mobile broadband device is disconnected from the network side. Open PDP connection.
  • the sending module 903 is specifically configured to send an interrupt report disconnection message to the host, and the interrupt report disconnect message carries the disconnection identifier acquired by the obtaining module 902.
  • the obtaining module 902 further includes:
  • the fourth obtaining unit 907 is specifically configured to: if the detecting module 901 detects that the IPv4 PDP connection existing between the mobile broadband device and the network side is disconnected, acquire the first disconnection identifier, where the first disconnection identifier is used to identify the mobile broadband device.
  • the IPv4 PDP connection is disconnected from the network side.
  • the fifth obtaining unit 908 is specifically configured to acquire the second disconnect identifier if the detecting module 901 detects that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected.
  • the sixth obtaining unit 909 is specifically configured to: if the detection module 901 detects the IPv4 existing between the mobile broadband device and the network side, When the PDP connection and the IPv6 PDP connection are disconnected at the same time, the third disconnection identifier is obtained, and the third disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are simultaneously disconnected.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier
  • the host corresponds to the identifier of the non-disconnected state, and the host queries the mobile broadband device for the IP address.
  • the host disconnects from the network side as long as the value of the status identifier is the identifier corresponding to the disconnected state.
  • Disconnected does not cause user data service interruption, and after the host acquires the IPv4 address and the IPv6 address, after the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection are disconnected, the host It is also possible to obtain an IP address corresponding to another PDP connection and connect to the corresponding network so that the user can use the available network more efficiently.
  • Embodiment 8 The embodiment of the present invention provides a host, where the host is used to execute any one of the first embodiment to the sixth embodiment.
  • the host includes:
  • the receiving module 1101 is configured to receive identifier information sent by the mobile broadband device, where the identifier information is used to identify PDP connection information between the mobile broadband device and the network side.
  • the setting module 1102 is configured to set a value of the status identifier included in the host according to the identifier information received by the receiving module 1101.
  • the obtaining module 1103 is configured to obtain an IP address of the host if the identifier of the status identifier set by the module 1102 is not the disconnected state.
  • the receiving module 1101 is specifically configured to receive an interrupt report connection message sent by the mobile broadband device, where the interrupt report message carries the connection identifier corresponding to the connection state of the mobile broadband device and the network side.
  • the setting module 1102 is specifically configured to set the value of the status identifier included in the host to a connection identifier corresponding to the connection status of the mobile broadband device and the network side.
  • the setting module 1102 includes:
  • the first setting unit 1104 is specifically configured to: if the connection state of the mobile broadband device and the network side is the first connection state, the first connection state is that the IPv4 PDP exists between the mobile broadband device and the network side.
  • the value of the status identifier included in the host is set to the first connection identifier corresponding to the first connection state;
  • the second setting unit 1105 is specifically configured to: if the connection state of the mobile broadband device and the network side is the second connection state, where the second connection state is an IPv6 PDP connection between the mobile broadband device and the network side, the state of the host is included The value of the identifier is set to a second connection identifier corresponding to the second connection state;
  • the third setting unit 1106 is specifically configured to: if the connection state of the mobile broadband device and the network side is the third connection state, and the third connection state is that the IPv4 PDP connection and the IPv6 PDP connection exist between the mobile broadband device and the network side, The value of the status identifier included in the host is set to the third connection identifier corresponding to the third connection state.
  • the receiving module 1101 is specifically configured to receive an interrupt report disconnection message sent by the mobile broadband device, where the disconnection message carries a disconnection identifier, and the disconnection identifier is used to identify a disconnected PDP connection between the mobile broadband device and the network side. .
  • the setting module 1102 is configured to determine, according to the disconnection identifier received by the receiving module 1101, the connection status of the mobile broadband device and the network side, and set the value of the status identifier included in the host to the connection identifier corresponding to the connection state. If the disconnection identifier received by the receiving module 1101 is the first disconnection identifier, the first disconnection identifier is used to identify that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected. As shown in FIG. 11, the setting module 1102 is configured.
  • the method further includes: a fourth setting unit 1107, configured to: if the value of the status identifier included in the host is the first connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in the first connection state, A connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the mobile terminal device determines the current time mobile broadband device according to the first disconnection identifier received by the receiving module 1101 and the mobile broadband device and the network side are in the first connection state before the current time. And the network side is in a disconnected state, and the value of the status identifier included in the host is set to be the identifier corresponding to the disconnected state.
  • a fourth setting unit 1107 configured to: if the value of the status identifier included in the host is the first connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in the first connection state, A connection state is that an IPv4 PDP
  • the fifth setting unit 1108 is specifically configured to: if the value of the status identifier included in the host is the third connection identifier, Determining, according to the status identifier included in the host, that the mobile broadband device is in the third connection with the network side before the current time State, the third connection state is that there is an IPv4 PDP between the mobile broadband device and the network side.
  • connection and the IPv6 PDP connection are determined according to the first disconnection identifier received by the receiving module 1101 and the third time that the mobile broadband device and the network side are in a third connection state before the current moment, determining that the mobile broadband device and the network side are in the second connection state at the current moment, and second
  • the connection state is an IPv6 PDP connection between the mobile broadband device and the network side
  • the value of the status identifier included in the host is the second connection identifier corresponding to the second connection state.
  • the disconnection identifier received by the receiving module 1101 is a second disconnection identifier, and the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected. As shown in FIG.
  • the setting module 1102 is configured.
  • the method further includes: a sixth setting unit 1109, configured to: if the value of the status identifier included in the host is the second connection identifier, determine, according to the status identifier included in the host, that the mobile broadband device and the network side are in the second connection state before the current moment,
  • the second connection state is that there is an IPv6 PDP connection between the mobile broadband device and the network side, and the mobile terminal device determines the current time mobile broadband device according to the second disconnection identifier received by the receiving module 1101 and the mobile broadband device and the network side are in the second connection state before the current time.
  • the seventh setting unit 1110 is specifically configured to: if the value of the status identifier included in the host is the third connection identifier, Determining, according to the status identifier included in the host, that the mobile broadband device is in the third connection with the network side before the current time
  • the third connection state is that an IPv4 PDP connection and an IPv6 PDP connection exist between the mobile broadband device and the network side, and the second disconnection identifier received by the receiving module 1101 and the mobile broadband device and the network side are in a third connection state before the current time.
  • the first connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the value of the state identifier included in the host is corresponding to the first connection state.
  • the first connection identifier If the disconnection identifier received by the receiving module 1101 is the third disconnection identifier, the third disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are simultaneously disconnected, as shown in FIG.
  • the setting module 1102 further includes: an eighth setting unit 1111, configured to determine, according to the third disconnection identifier received by the receiving module 1101, that the mobile broadband device is disconnected from the network side at the current moment, and set the state identifier included by the host The value of the value is the ID corresponding to the disconnected state.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address.
  • the host disconnects. Connection to the network side.
  • the mobile broadband device establishes an IPv4 PDP connection and an IPv6 PDP connection in a sequence or a time interval, the host does not need a network in obtaining the IPv4 address and the IPv6 address.
  • Disconnected does not cause user data service interruption, and after the host acquires the IPv4 address and the IPv6 address, after the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection are disconnected, the host It is also possible to obtain an IP address corresponding to another PDP connection and connect to the corresponding network so that the user can use the available network more efficiently.
  • Embodiment 9 The embodiment of the present invention provides a system for obtaining an Internet Protocol address.
  • the system includes: a mobile broadband device 1301 and a host 1302.
  • the mobile broadband device 1301 is the mobile broadband device provided in Embodiment 7;
  • the host 1302 is the host provided in Embodiment 8.
  • the above system can perform the method in any of the above method embodiments, and the detailed process is described in the method embodiment.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address. As long as the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects. Connection to the network side.
  • the mobile broadband device no matter whether the mobile broadband device establishes an IPv4 PDP connection and an IPv6 PDP connection in a sequence or a time interval, the host does not need a network in obtaining the IPv4 address and the IPv6 address.
  • Disconnected does not cause user data service interruption, and after the host obtains the IPv4 address and IPv6 address, when the mobile broadband device and the network side IPv4 PDP connection and IPv6 After one of the PDP connections of the PDP connection is disconnected, the host can also obtain the IP address corresponding to another PDP connection and connect to the corresponding network, so that the user can use the available network more efficiently.
  • Embodiment 10 The embodiment of the present invention provides a mobile broadband device, including a processor and a memory, for performing the following method for obtaining an Internet Protocol address:
  • the identifier information is obtained, and the identifier information is used to identify the PDP connection information between the mobile broadband device and the network side, and the identifier information is sent to the host, so that the host The identification information obtains the IP address of the host.
  • acquiring the identifier information includes:
  • connection state between the mobile broadband device and the network side is determined, and the connection identifier corresponding to the connection state is obtained.
  • sending the identifier information to the host includes: sending an interrupt report message to the host, and interrupting the report connection message carrying the connection identifier corresponding to the connection status.
  • the mobile broadband device if it is detected that the mobile broadband device establishes a PDP connection with the network side, determining a connection state between the mobile broadband device and the network side, and obtaining a connection identifier corresponding to the connection state, including:
  • Second connection identifier If an IPv4 PDP connection exists between the mobile broadband device and the network side, an IPv6 PDP connection is established between the mobile broadband device and the network side, or an IPv6 PDP connection exists between the mobile broadband device and the network side, and the mobile broadband device and the network side are detected.
  • An IPv4 PDP connection is established, and the mobile broadband device is determined to be in a third connection state with the network side, and obtain a third connection identifier corresponding to the third connection state. Specifically, if it is detected that the PDP connection information between the mobile broadband device and the network side changes, acquiring the identifier information includes:
  • sending the identifier information to the host includes: sending an interrupt report disconnection message to the host, and interrupting the report disconnect message carrying the disconnection identifier.
  • acquiring the disconnection identifier includes:
  • the third disconnection identifier is obtained, and the third disconnection identifier is used to identify between the mobile broadband device and the network side.
  • the IPv4 PDP connection and the IPv6 PDP connection are disconnected at the same time.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier is not the disconnection status, the host queries the mobile broadband device for an IP address. As long as the value of the status identifier is the identifier corresponding to the disconnected state, the host disconnects. Connection to the network side.
  • the host does not need to disconnect the network during the process of obtaining the IPv4 address and the IPv6 address.
  • the user data service is interrupted, and after the host obtains the IPv4 address and the IPv6 address, after the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection are disconnected, the host can acquire another The PDP connects to the corresponding IP address and connects to the corresponding network, so that the user can use the available network more efficiently.
  • Embodiment 11 The embodiment of the present invention provides a host, including a processor and a memory, for performing the following method for obtaining an internet protocol address: receiving identifier information sent by a mobile broadband device, where the identifier information is used to identify the mobile broadband device and The data packet protocol PDP connection information between the network side; the value of the status identifier included in the host is set according to the identifier information; if the value of the status identifier is not the disconnection status, the IP address of the host is obtained.
  • the receiving the identifier information sent by the mobile broadband device includes: receiving an interrupt report connection message sent by the mobile broadband device, and the interrupt report connection message carries a connection identifier corresponding to the connection state of the mobile broadband device and the network side.
  • setting the value of the status identifier included in the host according to the identifier information includes: setting the value of the status identifier included in the host to a connection identifier corresponding to the connection status of the mobile broadband device and the network side.
  • setting the value of the status identifier included in the host to the connection identifier corresponding to the connection status includes: if the connection status of the mobile broadband device and the network side is the first connection status, the first connection status is the mobile broadband device and the network If the IPv4 PDP connection exists between the two sides, the value of the status identifier included in the host is set to the first connection identifier corresponding to the first connection state; if the connection state of the mobile broadband device and the network side is the second connection state, the second Connection If the IPv6 PDP connection exists between the mobile broadband device and the network side, the value of the status identifier included in the host is set to the second connection identifier corresponding to the second connection state; if the connection status between the mobile broadband device and the network side is The
  • receiving the report message sent by the mobile broadband device, and the report message carrying the identifier information including: receiving the interrupt report disconnection message sent by the mobile broadband device, interrupting the report disconnect message carrying the disconnection identifier, and disconnecting the identifier for identifying the mobile broadband A disconnected PDP connection between the device and the network side.
  • setting the value of the status identifier included in the host according to the identifier information including: determining, according to the disconnection identifier, a connection status between the mobile broadband device and the network side, and setting a value of the status identifier included in the host to a connection corresponding to the connection status logo.
  • the first disconnection identifier is used to identify that the IPv4 PDP connection between the mobile broadband device and the network side is disconnected, and the mobile broadband device is determined to be in the network side according to the disconnection identifier.
  • the connection status, the value of the status identifier included in the host is set to the connection identifier corresponding to the connection status, and includes: if the value of the status identifier included in the host is the first connection identifier, determining the mobile broadband before the current time according to the status identifier included in the host
  • the device is in a first connection state with the network side, and the first connection state is that an IPv4 PDP connection exists between the mobile broadband device and the network side, and the mobile broadband device and the network side are in the first connection state according to the first disconnection identifier and the current time. Determining that the mobile broadband device is disconnected from the network side at the current moment, and setting the value of the status identifier included in the host as the identifier corresponding to the disconnected state;
  • the mobile broadband device and the network side are in a third connection state before the current time according to the status identifier included in the host, and the third connection state is between the mobile broadband device and the network side.
  • An IPv4 PDP connection and an IPv6 PDP connection are present, and the mobile broadband device and the network side are in a second connection state according to the first disconnection identifier and the mobile broadband device and the network side before the current time, and the second connection state is determined.
  • Mobile broadband device An IPv6 PDP connection exists between the network side and the second connection identifier corresponding to the second connection state.
  • the second disconnection identifier is used to identify that the IPv6 PDP connection between the mobile broadband device and the network side is disconnected, and the mobile broadband device is determined to be in the network side according to the disconnection identifier.
  • the connection status is set to the connection identifier corresponding to the connection status, including:
  • the value of the status identifier included in the host is the second connection identifier, determining, according to the status identifier included in the host, that the mobile broadband device is in the second connection state before the current time, and the second connection state is between the mobile broadband device and the network side.
  • There is an IPv6 PDP connection according to the second disconnection identifier and the mobile broadband device and the network side are in the second connection state before the current time, determining that the mobile broadband device is disconnected from the network side at the current moment, and setting the state identifier included in the host The value is an identifier corresponding to the disconnected state;
  • the mobile broadband device and the network side are in a third connection state before the current time according to the status identifier included in the host, and the third connection state is between the mobile broadband device and the network side.
  • the second disconnection identifier and the mobile broadband device and the network side are in a third connection state before the current time, it is determined that the current mobile broadband device and the network side are in the first connection state, the first connection state.
  • An IPv4 PDP connection exists between the mobile broadband device and the network side, and the value of the status identifier included in the host is set to be the first connection identifier corresponding to the first connection state.
  • the third disconnection identifier is used to identify that the IPv4 PDP connection and the IPv6 PDP connection between the mobile broadband device and the network side are simultaneously disconnected, and the mobile broadband device is determined according to the disconnection identifier.
  • the connection status of the network side is set to the connection identifier corresponding to the connection status, and the method includes: determining, according to the third disconnection identifier, that the mobile broadband device is disconnected from the network side at the current moment, and Set the value of the status indicator included in the host to the ID corresponding to the disconnected status.
  • the method provided by the embodiment of the present invention sends the identification information to the host through the mobile broadband device, so that the host sets the value of the status identifier included in the host according to the identifier information, and the values of the different status identifiers correspond to different mobile broadband.
  • the connection status between the device and the network side as long as the value of the status identifier
  • the host corresponds to the identifier of the non-disconnected state, and the host queries the mobile broadband device for the IP address.
  • the host disconnects from the network side as long as the value of the status identifier is the identifier corresponding to the disconnected state.
  • the host does not need a network in obtaining the IPv4 address and the IPv6 address. Disconnected, does not cause user data service interruption, and after the host acquires the IPv4 address and the IPv6 address, after the IPv4 PDP connection between the mobile broadband device and the network side and one of the PDP connections of the IPv6 PDP connection are disconnected, the host It is also possible to obtain an IP address corresponding to another PDP connection and connect to the corresponding network so that the user can use the available network more efficiently.
  • the mobile broadband device and the host provided by the foregoing embodiments obtain the Internet Protocol address
  • only the division of the foregoing functional modules is illustrated.
  • the foregoing functions may be assigned different functions according to requirements.
  • the module is completed, that is, the internal structure of the mobile broadband device and the host is divided into different functional modules to complete all or part of the functions described above.
  • the mobile broadband device and the host provided by the above embodiment are in the same concept as the method for obtaining the Internet protocol address, and the specific implementation process is described in the method embodiment, and details are not described herein again.
  • the serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

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Abstract

本发明公开了一种获取互联网协议地址的方法，属于通信领域。所述方法包括：检测与网络侧之间的数据分组协议PDP连接信息；如果检测出与网络侧之间的PDP连接信息发生变化，则获取标识信息，标识信息用于标识移动宽带设备与网络侧之间的PDP连接信息；发送标识信息给主机，使主机根据标识信息获取主机的IP地址。本发明通过移动宽带设备发送标识信息给主机，使得主机根据标识信息而设置主机包括的状态标识的取值，不同状态标识的取值对应不同的移动宽带设备与网络侧的连接状态，无论是移动宽带设备建立IPv4 PDP连接和IPv6 PDP连接的先后顺序如何或是时间间隔长短，主机在获取IPv4地址和IPv6地址的过程中都不需要网络断开，不会造成用户数据业务中断。

Description

获取互联网协议地址的方法、 设备及系统
本申请要求于 2012 年 10 月 17 日提交中国专利局、 申请号为 201210395271.2、 发明名称为"获取互联网协议地址的方法、 设备及系统"的中 国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及通信领域，特别涉及一种获取互联网协议地址的方法、设备及 系统。 背景技术
在通信领域里， IPv4 ( Internet Protocol version 4, 互联网协议版本 4 )网络 和 IPv6 ( Internet Protocol version 6, 互联网协议版本 6 ) 网络共存， 因此移动 宽带（ Mobile Broad Band )设备必须同时支持 IPv4和 IPv6双栈， 其中， 主机 可以通过移动宽带设备获取 IPv4地址和 IPv6地址，并连接到 IPv4网络和 IPv6 网络。
目前， 现有技术提供一种供主机通过移动宽带设备获取 IPv4地址和 IPv6 地址的方法， 可以具体为： 主机与移动宽带设备相连， 如果移动宽带设备与网 络侧建立 IPv4 PDP ( Packet Data Protocol, 分组数据协议）连接， 移动宽带设 备内存储该 IPv4 PDP连接对应的 IPv4地址，移动宽带设备发送中断上报连接 消息给主机， 主机从移动宽带设备中获取 IPv4地址并根据该 IPv4地址连接网 络； 如果移动宽带设备又与网络侧建立 IPv6 PDP连接且移动宽带设备内存储 该 IPv6 PDP连接对应的 IPv6地址， 由于主机当前时刻与网络侧已经建立了连 接， 主机内的状态已经为连接状态， 不再获取 IP地址， 因此移动宽带设备需 要先发送中断上报断开消息给主机， 主机断开与网络的连接，移动宽带设备再 发送中断上报连续消息给主机， 主机从移动宽带设备中获取 IPv4地址和 IPv6 地址， 并根据获取的 IPv4地址和 IPv6地址连接到网络。
在实现本发明的过程中， 发明人发现现有技术至少存在以下问题： 现有技术在获取 IPv4地址和 IPv6地址的过程中， 主机需要中断与网络之 间的连接， 如此导致用户的数据业务中断。 发明内容
为了解决现有技术的问题，本发明实施例提供了一种获取互联网协议地址 的方法、 设备及系统。 所述技术方案如下：
一方面， 提供了一种获取互联网协议地址的方法， 所述方法包括： 检测与网络侧之间的数据分组协议 PDP连接信息；
如果检测出所述移动宽带设备与网络侧之间的 PDP连接信息发生变化，则 获取标识信息，所述标识信息用于标识所述移动宽带设备与网络侧之间的 PDP 连接信息；
发送所述标识信息给主机，使所述主机根据所述标识信息获取主机的互联 网协议 IP地址。
具体地，所述如果检测出所述移动宽带设备与网络侧之间的 PDP连接信息 发生变化， 则获取标识信息， 包括：
如果检测出所述移动宽带设备与网络侧之间建立 PDP连接，则确定所述移 动宽带设备与网络侧处于的连接状态， 获取所述连接状态对应的连接标识。
相应地， 所述发送所述标识信息给主机， 包括：
发送中断上报连接消息给主机，所述中断上报连接消息携带所述连接状态 对应的连接标识。
具体地， 所述如果检测出所述移动宽带设备与网络侧之间建立 PDP连接， 则确定所述移动宽带设备与网络侧处于的连接状态，获取所述连接状态对应的 连接标识， 包括：
如果检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接且所述移 动宽带设备与网络侧之间不存在 IPv6 PDP连接，则确定所述移动宽带设备与网 络侧处于第一连接状态， 获取所述第一连接状态对应的第一连接标识；
如果检测出所述移动宽带设备与网络侧之间建立 IPv6 PDP连接且所述移 动宽带设备与网络侧之间不存在 IPv4 PDP连接，则确定所述移动宽带设备与网 络侧处于第二连接状态， 获取所述第二连接状态对应的第二连接标识；
如果所述移动宽带设备与网络侧之间存在 IPv4 PDP连接后检测出所述移 动宽带设备与网络侧之间建立 IPv6 PDP连接或者所述移动宽带设备与网络侧 之间存在 IPv6 PDP连接后检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接， 则确定所述移动宽带设备与网络侧处于第三连接状态， 获取所述第 三连接状态对应的第三连接标识。
具体地，所述如果检测出所述移动宽带设备与网络侧之间的 PDP连接信息 发生变化， 则获取标识信息， 包括：
如果检测出所述移动宽带设备与网络侧之间存在的 PDP连接断开，则获取 断开标识，所述断开标识用于标识所述移动宽带设备与网络侧之间断开的 PDP 连接。
相应地， 所述发送所述标识信息给主机， 包括：
发送中断上报断开消息给主机， 所述中断上报断开消息携带所述断开标 识。
具体地，所述如果检测出所述移动宽带设备与网络侧之间存在的 PDP连接 断开， 则获取断开标识， 包括：
如果检测出所述移动宽带设备与网络侧之间存在的 IPv4 PDP连接断开，则 获取第一断开标识，所述第一断开标识用于标识所述移动宽带设备与网络侧之 间的 IPv4 PDP连接断开；
如果检测出所述移动宽带设备与网络侧之间存在的 IPv6 PDP连接断开，则 获取第二断开标识，所述第二断开标识用于标识所述移动宽带设备与网络侧之 间的 IPv6 PDP连接断开；
如果检测出所述移动宽带设备与网络侧之间存在的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 则获取第三断开标识， 所述第三断开标识用于标识所移动 宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开。
另一方面， 还提供一种获取互联网协议地址的方法， 所述方法包括： 接收移动宽带设备发送的标识信息，所述标识信息用于标识所述移动宽带 设备与网络侧之间的数据分组协议 PDP连接信息；
根据所述标识信息设置主机包括的状态标识的取值；
如果所述状态标识的取值非断开状态对应的标识，则获取主机的互联网协 议 IP地址。
具体地， 所述接收移动宽带设备发送的标识信息， 包括：
接收移动宽带设备发送的中断上报连接消息，所述中断上报连接消息携带 所述移动宽带设备与网络侧处于的连接状态对应的连接标识。
相应地， 所述根据所述标识信息设置主机包括的状态标识的取值， 包括： 将主机包括的状态标识的取值设置为所述移动宽带设备与网络侧处于的 连接状态对应的连接标识。
具体地，所述将主机包括的状态标识的取值设置为所述移动宽带设备与网 络侧处于的连接状态对应的连接标识， 包括：
如果所述移动宽带设备与网络侧处于的连接状态为第一连接状态，所述第 一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接，则将主机包 括的状态标识的取值设置为所述第一连接状态对应的第一连接标识；
如果所述移动宽带设备与网络侧处于的连接状态为第二连接状态，所述第 二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，则将主机包 括的状态标识的取值设置为所述第二连接状态对应的第二连接标识；
如果所述移动宽带设备与网络侧处于的连接状态为第三连接状态，所述第 三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP 连接，则将主机包括的状态标识的取值设置为所述第三连接状态对应的第三连 接标识。
具体地， 所述接收移动宽带设备发送的标识信息， 包括：
接收移动宽带设备发送的中断上报断开消息，所述中断上报断开消息携带 断开标识，所述断开标识用于标识所述移动宽带设备与网络侧之间断开的 PDP 连接。
相应地， 所述根据所述标识信息设置主机包括的状态标识的取值， 包括： 根据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态，将主 机包括的状态标识的取值设置为所述连接状态对应的连接标识。
具体地，如果所述断开标识为第一断开标识， 所述第一断开标识用于标识 所述移动宽带设备与网络侧之间的 IPv4 PDP连接断开，
所述^ f艮据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 如果主机包括的状态标识的取值为第一连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第一连接状态，所述 第一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接，根据所述 第一断开标识和当前时刻之前所述移动宽带设备与网络侧处于第一连接状态， 确定当前时刻所述移动宽带设备与网络侧处于断开状态，并设置所述主机包括 的状态标识的取值为所述断开状态对应的标识；
如果主机包括的状态标识的取值为第三连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第三连接状态，所述 第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据所述第一断开标识和当前时刻之前所述移动宽带设备与网络侧 处于第三连接状态，确定当前时刻所述移动宽带设备与网络侧处于第二连接状 态， 所述第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接， 并设置所述主机包括的状态标识的取值为所述第二连接状态对应的第二连接 标识。
具体地，如果所述断开标识为第二断开标识， 所述第二断开标识用于标识 所述移动宽带设备与网络侧之间的 IPv6 PDP连接断开，
所述^ f艮据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 如果主机包括的状态标识的取值为第二连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第二连接状态，所述 第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，根据所述 第二断开标识和当前时刻之前所述移动宽带设备与网络侧处于第二连接状态， 确定当前时刻所述移动宽带设备与网络侧处于断开状态，并设置所述主机包括 的状态标识的取值为所述断开状态对应的标识；
如果主机包括的状态标识的取值为第三连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第三连接状态，所述 第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据所述第二断开标识和当前时刻之前所述移动宽带设备与网络侧 处于第三连接状态，确定当前时刻所述移动宽带设备与网络侧处于第一连接状 态， 所述第一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接， 并设置所述主机包括的状态标识的取值为所述第一连接状态对应的第一连接 标识。
具体地，如果所述断开标识为第三断开标识， 所述第三断开标识用于标识 所述移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 所述^ f艮据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 根据所述第三断开标识，确定当前时刻所述移动宽带设备与网络侧处于断 另一方面， 提供了一种移动宽带设备， 所述移动宽带设备包括： 检测模块， 用于检测与网络侧之间的数据分组协议 PDP连接信息； 获耳^莫块，用于如果所述检测模块检测出所述移动宽带设备与网络侧之间 的 PDP连接信息发生变化， 则获取标识信息， 所述标识信息用于标识所述移动 宽带设备与网络侧之间的 PDP连接信息；
发送模块， 用于发送所述获取模块获取的所述标识信息给主机，使所述主 机根据所述标识信息获取主机的互联网协议 IP地址。
具体地， 所述获取模块， 具体用于如果所述检测模块检测出所述移动宽带 设备与网络侧之间建立 PDP连接， 则确定所述移动宽带设备与网络侧处于的连 接状态， 获取所述连接状态对应的连接标识。
相应地， 所述发送模块， 具体用于发送中断上报连接消息给主机， 所述中 断上报连接消息携带所述获取模块获取的所述连接状态对应的连接标识。
其中， 获取模块包括：
第一获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间建立 IPv4 PDP连接且所述移动宽带设备与网络侧之间不存在 IPv6 PDP连接， 则确定所述移动宽带设备与网络侧处于第一连接状态， 获取所述第 一连接状态对应的第一连接标识；
第二获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间建立 IPv6 PDP连接且所述移动宽带设备与网络侧之间不存在 IPv4 PDP连接， 则确定所述移动宽带设备与网络侧处于第二连接状态， 获取所述第 二连接状态对应的第二连接标识；
第三获取单元， 具体用于如果所述移动宽带设备与网络侧之间存在 IPv4
PDP连接后所述检测模块检测出所述移动宽带设备与网络侧之间建立 IPv6 PDP连接或者所述移动宽带设备与网络侧之间存在 IPv6 PDP连接后所述检测 模块检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接，则确定所述移 动宽带设备与网络侧处于第三连接状态，获取所述第三连接状态对应的第三连 接标识。 具体地， 所述获取模块， 具体用于如果所述检测模块检测出所述移动宽带 设备与网络侧之间存在的 PDP连接断开， 则获取断开标识， 所述断开标识用于 标识所述移动宽带设备与网络侧之间断开的 PDP连接。
相应地， 所述发送模块， 具体用于发送所述获取模块获取的中断上报断开 消息给主机， 所述中断上报断开消息携带所述断开标识。
其中， 所述获取模块还包括：
第四获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv4 PDP连接断开， 则获取第一断开标识， 所述第一断开标识 用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接断开；
第五获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv6 PDP连接断开， 则获取第二断开标识， 所述第二断开标识 用于标识所述移动宽带设备与网络侧之间的 IPv6 PDP连接断开；
第六获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 则获取第三断开标 识，所述第三断开标识用于标识所移动宽带设备与网络侧之间的 IPv4 PDP连接 和 IPv6 PDP连接同时断开。
另一方面， 还提供了一种主机， 所述主机包括：
接收模块， 用于接收移动宽带设备发送的标识信息， 所述标识信息用于标 识所述移动宽带设备与网络侧之间的数据分组协议 PDP连接信息；
设置模块，用于根据所述接收模块接收的所述标识信息设置主机包括的状 态标识的取值；
获取模块，用于如果所述设置模块设置的所述状态标识的取值非断开状态 对应的标识， 则获取主机的互联网协议 IP地址。
具体地， 所述接收模块， 具体用于接收移动宽带设备发送的中断上报连接 消息，所述中断上报连接消息携带所述移动宽带设备与网络侧处于的连接状态 对应的连接标识。
相应地， 所述设置模块， 具体用于将主机包括的状态标识的取值设置为所 述移动宽带设备与网络侧处于的连接状态对应的连接标识。
其中， 所述设置模块包括：
第一设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第一连接状态， 所述第一连接状态为所述移动宽带设备与网络侧之间存在
IPv4 PDP连接，则将主机包括的状态标识的取值设置为所述第一连接状态对应 的第一连接标识；
第二设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第二连接状态， 所述第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，则将主机包括的状态标识的取值设置为所述第二连接状态对应 的第二连接标识；
第三设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第三连接状态， 所述第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，则将主机包括的状态标识的取值设置为所述第 三连接状态对应的第三连接标识。
具体地， 所述接收模块， 具体用于接收所述移动宽带设备发送的中断上报 断开消息， 所述中断上 断开消息携带断开标识， 所述断开标识用于标识所述 移动宽带设备与网络侧之间断开的 PDP连接。
相应地， 所述设置模块， 具体用于根据所述接收模块接收的所述断开标识 确定所述移动宽带设备与网络侧处于的连接状态，将主机包括的状态标识的取 值设置为所述连接状态对应的连接标识。
其中，如果所述接收模块接收的断开标识为第一断开标识， 所述第一断开 标识用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接断开，所述设置 模块还包括：
第四设置单元， 具体用于如果主机包括的状态标识的取值为第一连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第一连接状态，所述第一连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接，根据所述接收模块接收的第一断开标识和当前时刻之前所述 移动宽带设备与网络侧处于第一连接状态，确定当前时刻所述移动宽带设备与 网络侧处于断开状态，并设置所述主机包括的状态标识的取值为所述断开状态 对应的标识；
第五设置单元， 具体用于如果主机包括的状态标识的取值为第三连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第三连接状态，所述第三连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接和 IPv6 PDP连接，根据所述接收模块接收的第一断开标识和当 前时刻之前所述移动宽带设备与网络侧处于第三连接状态，确定当前时刻所述 移动宽带设备与网络侧处于第二连接状态，所述第二连接状态为所述移动宽带 设备与网络侧之间存在 IPv6 PDP连接，并设置所述主机包括的状态标识的取值 为所述第二连接状态对应的第二连接标识。
其中，如果所述接收模块接收的断开标识为第二断开标识， 所述第二断开 标识用于标识所述移动宽带设备与网络侧之间的 IPv6 PDP连接断开，所述设置 模块还包括：
第六设置单元， 具体用于如果主机包括的状态标识的取值为第二连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第二连接状态，所述第二连接状态为所述移动宽带设备与网络侧之间存 在 IPv6 PDP连接，根据所述接收模块接收的第二断开标识和当前时刻之前所述 移动宽带设备与网络侧处于第二连接状态，确定当前时刻所述移动宽带设备与 网络侧处于断开状态，并设置所述主机包括的状态标识的取值为所述断开状态 对应的标识；
第七设置单元， 具体用于如果主机包括的状态标识的取值为第三连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第三连接状态，所述第三连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接和 IPv6 PDP连接，根据所述接收模块接收的第二断开标识和当 前时刻之前所述移动宽带设备与网络侧处于第三连接状态确定当前时刻所述 移动宽带设备与网络侧处于第一连接状态，所述第一连接状态为所述移动宽带 设备与网络侧之间存在 IPv4 PDP连接，并设置所述主机包括的状态标识的取值 为所述第一连接状态对应的第一连接标识。
其中，如果所述接收模块接收的断开标识为第三断开标识， 所述第三断开 标识用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连 接同时断开， 所述设置模块还包括：
第八设置单元， 具体用于根据所述接收模块接收的第三断开标识，确定当 前时刻所述移动宽带设备与网络侧处于断开状态，并设置主机包括的状态标识 的取值为所述断开状态对应的标识。
另一方面， 提供了一种获取互联网协议地址的系统， 所述系统包括： 移动 宽带设备和主机。
另一方面，提供了一种移动宽带设备， 所述移动宽带设备包括处理器和存 储器， 用于执行获取互联网协议地址的方法。
另一方面， 提供了一种主机， 所述主机包括处理器和存储器， 用于执行获 取互联网协议地址的方法。
本发明实施例提供的技术方案带来的有益效果是：
通过移动宽带设备发送标识信息给主机，使主机根据标识信息而设置主机 包括的状态标识的取值，不同状态标识的取值对应不同的移动宽带设备与网络 侧的连接状态， 只要状态标识的取值非断开状态对应的标识， 主机向移动宽带 设备查询并获取 IP地址， 只要状态标识的取值是断开状态对应的标识， 主机断 开与网络侧的连接。相比于现有技术， 本发明实施例中无论是移动宽带设备建 立 IPv4 PDP连接和 IPv6 PDP连接的先后顺序如何或是时间间隔长短，主机在获 取 IPv4地址和 IPv6地址的过程中都不需要网络断开， 不会造成用户数据业务中 断， 并且在主机获取了 IPv4地址和 IPv6地址后， 当移动宽带设备与网络侧之间 的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获 取另一个 PDP连接对应的 IP地址， 并连接到相应的网络， 使得用户可以更有效 地使用可用的网络。 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所 需要使用的附图作筒单地介绍，显而易见地， 下面描述中的附图仅仅是本发明 的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
图 1是本发明实施例一提供的一种获取 IP地址的方法流程图；
图 2是本发明实施例二提供的一种获取 IP地址的方法流程图；
图 3是本发明实施例三提供的一种获取 IP地址的方法流程图；
图 4是本发明实施例三提供的另一种主机的结构示意图；
图 5是本发明实施例四提供的一种获取 IP地址的方法流程图；
图 6是本发明实施例五提供的一种获取 IP地址的方法流程图； 图 7是本发明实施例六提供的一种获取 IP地址的方法流程图；
图 8是本发明实施例六提供的另一种获取 IP地址的方法流程图；
图 9是本发明实施例七提供的一种移动宽带设备的结构示意图；
图 10是本发明实施例七提供的另一种移动宽带设备的结构示意图； 图 11是本发明实施例八提供的一种主机的结构示意图；
图 12是本发明实施例八提供的另一种主机的结构示意图；
图 13是本发明实施例九提供的一种获取 IP地址的系统的结构示意图。 具体实施方式
为使本发明的目的、技术方案和优点更加清楚， 下面将结合附图对本发明 实施方式作进一步地详细描述。
实施例一 本实施例提供了一种获取互联网协议地址的方法， 参见图 1 , 该方法具体 包括：
101： 检测与网络侧之间的数据分组协议 PDP连接信息。
102: 如果检测出移动宽带设备与网络侧之间的 PDP连接信息发生变化， 则获取标识信息， 该标识信息用于标识移动宽带设备与网络侧之间的 PDP连 接信息。
103: 发送标识信息给主机， 使主机根据该标识信息获取主机的 IP地址。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机， 使得主机根据该标识信息获取主机的 IP地址。 相比于现有技术， 本发 明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接的先后顺 序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程中都不需 要网络断开， 不会造成用户数据业务中断。
实施例二 本实施例提供了一种获取互联网协议地址的方法， 参见图 2, 该方法具体 包括:
201 : 接收移动宽带设备发送的标识信息， 该标识信息用于标识移动宽带 设备与网络侧之间的数据分组协议 PDP连接信息。
202: 根据标识信息设置主机包括的状态标识的取值。 203: 如果该状态标识的取值非断开状态对应的标识， 则获取主机的 IP地 址。
综上所述， 本发明实施例提供的方法，通过接收移动宽带设备发送的标识 信息， 并根据标识信息而设置主机包括的状态标识的取值， 只要状态标识的取 值非断开状态对应的标识， 主机可以查询并获取 IP地址。 相比于现有技术， 本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接的先 后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程中都 不需要网络断开， 不会造成用户数据业务中断。
实施例三
本发明实施例提供了一种获取互联网协议地址的方法。其中， 主机与移动 宽带设备相连， 移动宽带设备支持 IPv4和 IPv6双栈， 首先移动宽带设备与网 络侧之间不存在 PDP连接，如果移动宽带设备与网络侧先建立 IPv4 PDP连接， 再建立 IPv6 PDP连接，主机可以通过本实施例的方法获取该 IPv4 PDP连接对 应的 IPv4地址和 IPv6 PDP连接对应的 IPv6地址。 参见图 3 , 该方法包括： 301: 移动宽带设备检测与网络侧之间的 PDP连接信息， 如果检测出与网 络侧建立 IPv4 PDP连接且移动宽带设备与网络侧之间不存在 IPv6 PDP连接， 则确定移动宽带设备与网络侧处于第一连接状态，获取第一连接状态对应的第 一连接标识。
其中， 移动宽带设备可以是 3G上网卡、 手机等能提供无线连接网络功能 的设备， 本发明在此对移动宽带设备不做具体限定。在 IPv4 PDP连接建立时， 移动宽带设备获取 IPv4 PDP连接对应的 IPv4地址，并存储于移动宽带设备中。 其中， 第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接， 第一连接标识的大小可以是 1个字节或 2个字节等，第一连接标识的取值可以 为 1或 2等， 在此对第一连接标识的具体大小和具体取值不做限定。
302: 移动宽带设备发送中断上报连接消息给主机， 该中断上报连接消息 携带第一连接状态对应的第一连接标识。
其中，在该中断上报连接消息中增加连接标识字段， 该连接标识字段用于 携带第一连接状态对应的第一连接标识。
其中，主机可以是个人笔记本电脑等可以利用移动宽带设备连接到网络侧 的设备， 在此不对主机做具体限定。
303: 主机接收移动宽带设备发送的中断上报连接消息， 根据该中断上报 连接消息携带的第一连接状态对应的第一连接标识设置主机包括的状态标识 的取值。
具体地， 主机接收移动宽带设备发送的中断上报连接消息，将主机包括的 状态标识的取值设置为该中断上报连接消息携带的第一连接状态对应的第一 连接标识。
其中， 参见图 4, 主机包括网卡驱动和主机协议栈， 主机的网卡驱动包括 状态标识； 相应地， 主机接收移动宽带设备发送的中断上报连接消息，根据该中断上报连接消 息携带的第一连接状态对应的第一连接标识设置主机包括的状态标识的取值， 可以具体包括：
网卡驱动接收移动宽带设备发送的中断上报连接消息，并将主机包括的状 态标识的取值设置为该中断上报连接消息携带的第一连接状态对应的第一连 接标识。
304: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 当主机包括的状态标识的取值发生变化时， 主机就对该状态标识的 取值做判断，如果判断出该状态标识的取值非断开状态对应的标识， 则获取主 机的 IP地址， 连接到网路侧； 如果判断出该状态标识的取值是断开状态对应 的标识， 则主机断开与网络侧的连接。
断出该状态标识的取值非断开状态对应的标识，网卡驱动发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后， 进行 初始化主机网卡的操作， 然后发送查询命令给移动宽带设备，接收移动宽带设 备返回的查询响应， 获取该查询响应中携带的 IP地址， 连接到网络侧； 如果 判断出该状态标识的取值是断开状态对应的标识，则网卡驱动发送上 断开状 态消息给主机协议栈， 主机协议栈断开与网络侧的连接。
其中， 断开状态对应的标识用于标识移动宽带设备与网络侧处于断开状 态。
在本步骤中， 主机包括的状态标识的取值为第一连接标识，表明移动宽带 设备与网络侧之间存在 IPv4 PDP连接， 网卡驱动对该状态标识的取值进行判 断， 并判断出该状态标识的取值非断开状态对应的标识，发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后， 进行 初始化主机网卡的操作， 然后发送查询命令给移动宽带设备； 移动宽带设备接 收主机协议栈发送的查询命令，获取自身存储的 IPv4 PDP连接对应的 IPv4地 址， 发送查询响应给主机协议栈， 该查询响应携带获取的 IPv4地址； 主机协 议栈接收移动宽带设备发送的查询响应后，获取该查询响应携带的 IPv4地址， 连接到 IPv4网络。 305: 移动宽带设备与网络侧之间存在 IPv4 PDP连接， 如果又检测出与网 络侧建立 IPv6 PDP连接， 则确定移动宽带设备与网络侧处于第三连接状态， 获取第三连接状态对应的第三连接标识。 其中， 在 IPv6 PDP连接建立时， 移动宽带设备获取 IPv6 PDP连接对应的 IPv6地址， 并存储于移动宽带设备中， 此时移动宽带设备内存储有 IPv4 PDP 连接对应的 IPv4地址和 IPv6 PDP连接对应 IPv6地址。
其中， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接， 第三连接标识的大小可以是 1个字节或 2个字节等， 第三连 接标识的取值可以为 3或 4等，在此对第三连接标识的具体大小和具体取值不 做限定。
306: 移动宽带设备发送中断上报连接消息给主机， 该中断上报连接消息 携带第三连接状态对应的第三连接标识。 其中，该中断上报连接消息中的连接标识字段用于携带第三连接状态对应 的第三连接标识。
307: 主机接收移动宽带设备发送的中断上报连接消息， 根据该中断上报 连接消息携带的第三连接状态对应的第三连接标识设置主机包括的状态标识 的取值。
具体地， 主机接收移动宽带设备发送的中断上报连接消息，将主机包括的 状态标识的取值设置为该中断上报连接消息携带的第三连接状态对应的第三 连接标识。 其中， 主机包括的网卡驱动接收移动宽带设备发送的中断上报连接消息， 并将主机包括的状态标识的取值设置为该中断上报连接消息携带的第三连接 状态对应的第三连接标识。
308: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 主机已经存在与 IPv4网络的连接， 当主机判断主机包括的状态标 识的取值非断开状态对应的标识， 主机不断开与 IPv4网络的连接， 而是发送 动宽带设备存储的主机的 IP地址， 此时可
Figure imgf000017_0001
判断出该 状态标识的取值不为断开状态对应的标识。
在本步骤中， 主机包括的状态标识的取值为第三连接标识，表明移动宽带 设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，网卡驱动对该状态标 识的取值进行判断， 并判断出该状态标识的取值非断开状态对应的标识，发送 上报连接状态消息给主机协议栈；主机协议栈接收网卡驱动发送的上报连接状 态消息， 不断开与 IPv4网络的连接， 而是发送查询命令给移动宽带设备； 移 动宽带设备接收主机协议栈发送的查询命令， 获取自身存储的 IPv4 PDP连接 对应的 IPv4地址和 IPv6 PDP连接对应的 IPv6地址， 发送查询响应给主机协 议栈， 该查询响应携带获取的 IPv4地址和 IPv6地址。 主机协议栈接收移动宽 带设备发送的查询响应后， 获取该查询响应携带的 IPv4地址和 IPv6地址， 由 于主机已经连接到 IPv4网络， 主机根据该查询响应携带的 IPv6地址再连接到 IPv6网络。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断。
实施例四 本发明实施例提供了一种获取互联网协议地址的方法。其中， 主机与移动 宽带设备相连， 移动宽带设备支持 IPv4和 IPv6双栈， 首先移动宽带设备与网 络侧之间不存在 PDP连接，如果移动宽带设备与网络侧先建立 IPv6 PDP连接， 再建立 IPv4 PDP连接，主机可以通过本实施例的方法获取该 IPv6 PDP连接对 应的 IPv6地址和 IPv4 PDP连接对应的 IPv4地址。 参见图 5 , 该方法包括：
501: 移动宽带设备检测与网络侧之间的 PDP连接信息， 如果检测出与网 络侧建立 IPv6 PDP连接且移动宽带设备与网络侧之间不存在 IPv4 PDP连接， 则确定移动宽带设备与网络侧处于第二连接状态，获取第二连接状态对应的第 二连接标识。 其中， 移动宽带设备可以是 3G上网卡、 手机等能提供无线连接网络功能 的设备， 本发明在此对移动宽带设备不做具体限定。在 IPv6 PDP连接建立时， 移动宽带设备获取 IPv6 PDP连接对应的 IPv6地址，并存储于移动宽带设备中。 其中， 第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP连接， 第二连接标识的大小可以是 1个字节或 2个字节等，第二连接标识的取值可以 为 5或 6等， 在此对第二连接标识的具体大小和具体取值不做限定。
502: 移动宽带设备发送中断上报连接消息给主机， 该中断上报连接消息 携带第二连接状态对应的第二连接标识。 其中，在该中断上报连接消息中增加连接标识字段， 该连接标识字段用于 携带第二连接状态对应的第二连接标识。 其中，主机可以是个人笔记本电脑等可以利用移动宽带设备连接到网络侧 的设备， 在此不对主机做具体限定。 503: 主机接收移动宽带设备发送的中断上报连接消息， 根据该中断上报 连接消息携带的第二连接状态对应的第二连接标识设置主机包括的状态标识 的取值。 具体地， 主机接收移动宽带设备发送的中断上报连接消息，将主机包括的 状态标识的取值设置为该中断上报连接消息携带的第二连接状态对应的第二 连接标识。 其中， 主机包括网卡驱动和主机协议栈， 主机包括的网卡驱动接收移动宽 带设备发送的中断上报连接消息，并将主机包括的状态标识的取值设置为该中 断上报连接消息携带的第二连接状态对应的第二连接标识。
504: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 当主机包括的状态标识的取值发生变化时， 主机就对该状态标识的 取值做判断，如果判断出该状态标识的取值非断开状态对应的标识， 则获取主 机的 IP地址， 连接到网络侧； 如果判断出该状态标识的取值是断开状态对应 的标识， 则主机断开与网络侧的连接。
断出该状态标识的取值非断开状态对应的标识，网卡驱动发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后， 进行 初始化主机网卡的操作， 然后发送查询命令给移动宽带设备，接收移动宽带设 备返回的查询响应， 获取该查询响应中携带的 IP地址， 连接到网络侧； 如果 判断出该状态标识的取值是断开状态对应的标识，则网卡驱动发送上报断开状 态消息给主机协议栈， 主机协议栈断开与网络侧的连接。 其中， 断开状态对应的标识用于标识移动宽带设备与网络侧处于断开状 态。
在本步骤中， 主机包括的状态标识的取值为第二连接标识，表明移动宽带 设备与网络侧之间存在 IPv6 PDP连接， 网卡驱动对该状态标识的取值进行判 断， 并判断出该状态标识的取值非断开状态对应的标识，发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后， 进行 初始化主机网卡的操作， 然后发送查询命令给移动宽带设备； 移动宽带设备接 收主机协议栈发送的查询命令，获取自身存储的 IPv6 PDP连接对应的 IPv6地 址， 发送查询响应给主机协议栈， 该查询响应携带获取的 IPv6地址； 主机协 设备发送的查询响应后，获取该查询响应携带的 IPv6地址，
Figure imgf000020_0001
505: 移动宽带设备与网络侧之间存在 IPv6 PDP连接， 如果又检测出与网 络侧建立 IPv4 PDP连接， 则确定移动宽带设备与网络侧处于第三连接状态， 获取第三连接状态对应的第三连接标识。 其中， 在 IPv4 PDP连接建立时， 移动宽带设备获取 IPv4 PDP连接对应的 IPv4地址， 并存储于移动宽带设备中， 此时移动宽带设备内存储有 IPv4 PDP 连接对应的 IPv4地址和 IPv6 PDP连接对应 IPv6地址。
其中， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接， 第三连接标识的大小可以是 1个字节或 2个字节等， 第三连 接标识的取值可以为 3或 4等，在此对第三连接标识的具体大小和具体取值不 做限定。
506: 移动宽带设备发送中断上报连接消息给主机， 该中断上报连接消息 携带第三连接状态对应的第三连接标识。 其中，该中断上报连接消息中的连接标识字段用于携带第三连接状态对应 的第三连接标识。
507: 主机接收移动宽带设备发送的中断上报连接消息， 根据该中断上报 连接消息携带的第三连接状态对应的第三连接标识设置主机包括的状态标识 的取值。
具体地， 主机接收移动宽带设备发送的中断上报连接消息，将主机包括的 状态标识的取值设置为该中断上报连接消息携带的第三连接状态对应的第三 连接标识。 其中， 主机包括的网卡驱动接收移动宽带设备发送的中断上报连接消息， 并将主机包括的状态标识的取值设置为该中断上报连接消息携带的第三连接 状态对应的第三连接标识。
508: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 主机已经存在与 IPv6网络的连接， 当主机判断主机包括的状态标 识的取值非断开状态对应的标识， 主机不断开与 IPv6网络的连接， 而是发送 动宽带设备存储的主机的 IP地址， 此时可
Figure imgf000021_0001
状态标识的取值不为断开状态对应的标识。
在本步骤中， 主机包括的状态标识的取值为第三连接标识，表明移动宽带 设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，网卡驱动对该状态标 识的取值进行判断， 并判断出该状态标识的取值非断开状态对应的标识，发送 上报连接状态消息给主机协议栈；主机协议栈接收网卡驱动发送的上报连接状 态消息后， 不断开与 IPv6网络的连接， 而是发送查询命令给移动宽带设备； 移动宽带设备接收主机协议栈发送的查询命令， 获取自身存储的 IPv4 PDP连 接对应的 IPv4地址和 IPv6 PDP连接对应的 IPv6地址， 发送查询响应给主机 协议栈， 该查询响应携带获取的 IPv4地址和 IPv6地址； 主机协议栈接收移动 宽带设备发送的查询响应后， 获取该查询响应携带的 IPv4地址和 IPv6地址， 由于主机已经连接到 IPv6网络， 主机根据该查询响应携带的 IPv4地址再连接 到 IPv4网络。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断。
实施例五 本发明实施例提供了一种获取互联网协议地址的方法。其中， 主机与移动 宽带设备相连， 移动宽带设备支持 IPv4和 IPv6双栈， 首先 MBB与网络侧之 间存在 IPv4 PDP连接和 IPv6 PDP连接， 通过本实施例的方法， 当移动宽带设 备与网络侧之间存在的 IPv4 PDP连接断开时， 主机可以获取移动宽带设备与 网络侧之间存在的 IPv6 PDP连接对应的 IPv6地址， 连接到 IPv6网络， 当移 动宽带设备与网络侧之间存在的 IPv6 PDP连接也断开时， 主机断开与网络侧 的连接。 参见图 6, 该方法包括：
601: 移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接， 移动宽带设备检测与网络侧之间的 PDP连接信息， 如果检测出与网络侧之间 存在的 IPv4 PDP连接断开， 则获取第一断开标识。 其中， 移动宽带设备可以是 3G上网卡、 手机等能提供无线连接网络功能 的设备， 本发明在此对移动宽带设备不做具体限定。移动宽带设备事先与网络 侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，当移动宽带设备与网络侧的 IPv4 PDP连接发生断开时， 移动宽带设备与网络侧之间的 PDP连接仅剩下 IPv6 PDP连接。 在发生 IPv4 PDP连接断开时， 移动宽带设备释放存储的 IPv4 PDP 连接对应的 IPv4地址， 此时移动宽带设备只存储 IPv6 PDP连接对应的 IPv6 地址。 在本步骤中， IPv4 PDP连接断开的原因可以是网络信号不足， 或用户主 动切断移动宽带设备与网络侧的连接等。
其中， 第一断开标识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连 接断开， 第一断开标识的字长可以是 1个字节或 2个字节等， 第一断开标识的 取值可以为 1或 2等， 在此对第一断开标识的具体大小和具体取值不^限定。
602: 移动宽带设备发送中断上报断开消息给主机， 该中断上报断开消息 携带第一断开标识。 其中，在该中断上报断开消息中增加断开标识字段， 该断开标识字段用于 携带第一断开标识。 其中，主机可以是个人笔记本电脑等可以利用移动宽带设备连接到网络侧 的设备， 在此不对主机做具体限定。
603: 主机接收移动宽带设备发送的中断上报断开消息， 根据该中断上报 断开消息携带的第一断开标识确定移动宽带设备与网络侧处于的连接状态，将 主机包括的状态标识的取值设置为该连接状态对应的连接标识。 其中， 当前时刻之前主机包括的状态标识的取值为第三连接标识，根据该 主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处于第三连接 状态， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接；根据该中断上报断开消息携带的第一断开标识和当前时刻之前移动 宽带设备与网络侧处于第三连接状态，确定当前时刻移动宽带设备与网络侧处 于第二连接状态， 第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP 连接，据此设置主机包括的状态标识的取值为第二连接状态对应的第二连接标 识。 其中， 主机包括网卡驱动和主机协议栈， 网卡驱动根据当前时刻之前主机 包括的状态标识的取值为第三连接标识确定当前时刻之前移动宽带设备与网 络侧处于第三连接状态，根据该中断上报断开消息携带的第一断开标识和当前 时刻之前移动宽带设备与网络侧处于第三连接状态，确定当前时刻移动宽带设 备与网络侧处于的第二连接状态，将主机包括的状态标识的取值设置为第二连 接状态对应的第二连接标识。 604: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 当主机包括的状态标识的取值发生变化时， 主机就对该状态标识的 取值做判断，如果判断出该状态标识的取值非断开状态对应的标识， 则获取主 机的 IP地址， 连接到网络侧； 如果判断出该状态标识的取值是断开状态对应 的标识， 则主机断开与网络侧的连接。
断出该状态标识的取值非断开状态对应的标识，网卡驱动发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后，发送 查询命令给移动宽带设备，接收移动宽带设备返回的查询响应， 获取该查询响 应中携带的主机的 IP地址， 连接到网络侧； 如果判断出该状态标识的取值是 断开状态对应的标识， 则网卡驱动发送上报断开状态消息给主机协议栈， 主机 协议栈断开与网络侧的连接。 其中， 断开状态对应的标识用于标识移动宽带设备与网络侧处于断开状 态。
在本步骤中， 主机包括的状态标识的取值为第二连接标识，表明移动宽带 设备与网络侧之间存在 IPv6 PDP连接， 网卡驱动对该状态标识的取值进行判 断， 并判断出该状态标识的取值非断开状态对应的标识，发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后，发送 查询命令给移动宽带设备； 移动宽带设备接收主机协议栈发送的查询命令， 获 取自身存储的 IPv6 PDP连接对应的 IPv6地址， 发送查询响应给主机协议栈， 该查询响应携带获取的 IPv6地址； 主机协议栈接收移动宽带设备发送的查询 响应后， 获取该查询响应携带的 IPv6地址， 继续连接到 IPv6网络， 此时主机 没有获取到 IPv4地址， 断开了与 IPv4网络的连接。 605: 移动宽带设备与网络侧之间只存在 IPv6 PDP连接， 如果又检测出与 网络侧之间存在的 IPv6 PDP连接断开， 则获取第二断开标识。 其中， 移动宽带设备与网络侧之间只存在 IPv6 PDP连接， 当移动宽带设 备与网络侧的 IPv6 PDP连接发生断开时， 移动宽带设备与网络侧之间不存在 PDP连接。 在发生 IPv6 PDP连接断开时，移动宽带设备释放存储的 IPv6 PDP连接对 应的 IPv6地址， 此时移动宽带设备没有存储 IP地址。 在本步骤中， IPv6 PDP连接断开的原因可以是网络信号不足， 或用户主 动切断移动宽带设备与网络侧的连接等。
其中， 第二断开标识用于标识移动宽带设备与网络侧之间的 IPv6 PDP连 接断开， 第二断开标识的字长可以是 1个字节或 2个字节等， 第二断开标识的 取值可以为 3或 4等， 在此对第二断开标识的具体大小和具体取值不^限定。
606: 移动宽带设备发送中断上报断开消息给主机， 该中断上报断开消息 携带第二断开标识。 其中， 该中断上 断开消息中的断开标识字段用于携带第二断开标识。
607: 主机接收移动宽带设备发送的中断上报断开消息， 根据该中断上报 断开消息携带的第二断开标识确定移动宽带设备与网络侧处于的连接状态，将 主机包括的状态标识的取值设置为该连接状态对应的连接标识。 其中， 当前时刻之前主机包括的状态标识的取值为第二连接标识，根据该 主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处于第二连接 状态， 第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP连接； 根据 该中断上报断开消息携带的第二断开标识和当前时刻之前移动宽带设备与网 络侧处于第二连接状态， 确定当前时刻移动宽带设备与网络侧处于断开状态， 据此设置主机包括的状态标识的取值为断开状态对应的标识。 其中，主机的网卡驱动根据当前时刻之前主机包括的状态标识的取值为第 二连接标识确定当前时刻之前移动宽带设备与网络侧处于第二连接状态，根据 该中断上报断开消息携带的第二断开标识和当前时刻之前移动宽带设备与网 络侧处于第二连接状态，确定移动宽带设备与网络侧处于断开状态，将主机包 括的状态标识的取值设置为断开状态对应的标识。
608: 主机判断主机包括的状态标识的取值是断开状态对应的标识， 断开 与网络侧的连接。 状态标识的取值是断开状态对应的标识。
在本步骤中， 主机包括的状态标识的取值是断开状态对应的标识，表明移 动宽带设备与网络侧处于断开状态， 网卡驱动对该状态标识的取值进行判断， 并判断出该状态标识的取值是断开状态对应的标识，发送上报断开状态消息给 主机协议栈； 主机协议栈接收到网卡驱动发送的上报断开状态消息后， 断开与 网络侧的连接。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术， 本发明实施例在主机获取了 IPv4地址和 IPv6地址后， 当移动宽带设备与 网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对应的 IP地址， 并连接到相应的网络， 使得 用户可以更有效地使用可用的网络。
实施例六 本发明实施例提供了一种获取互联网协议地址的方法。其中， 主机与移动 宽带设备相连， 移动宽带设备支持 IPv4和 IPv6双栈， 首先 MBB与网络侧之 间存在 IPv4 PDP连接和 IPv6 PDP连接， 通过本实施例的方法， 当移动宽带设 备与网络侧之间存在的 IPv6 PDP连接断开时， 主机可以获取移动宽带设备与 网络侧之间存在的 IPv4 PDP连接对应的 IPv4地址， 连接到 IPv4网络， 当移 动宽带设备与网络侧之间存在的 IPv4 PDP连接也断开时， 主机断开与网络侧 的连接。 参见图 7, 该方法包括：
701: 移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接， 移动宽带设备检测与网络侧之间的 PDP连接信息， 如果检测出与网络侧之间 存在的 IPv6 PDP连接断开， 则获取第二断开标识。 其中， 移动宽带设备可以是 3G上网卡、 手机等能提供无线连接网络功能 的设备， 本发明在此对移动宽带设备不做具体限定。移动宽带设备事先与网络 侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，当移动宽带设备与网络侧的 IPv6 PDP连接发生断开时， 移动宽带设备与网络侧之间的 PDP连接仅剩下 IPv4 PDP连接。 在发生 IPv6 PDP连接断开时， 移动宽带设备释放存储的 IPv6 PDP 连接对应的 IPv6地址， 此时移动宽带设备只存储 IPv4 PDP连接对应的 IPv4 地址。 在本步骤中， IPv6 PDP连接断开的原因可以是网络信号不足， 或用户主 动切断移动宽带设备与网络侧的连接等。
其中， 第二断开标识用于标识移动宽带设备与网络侧之间的 IPv6 PDP连 接断开， 第二断开标识的字长可以是 1个字节或 2个字节等， 第二断开标识的 取值可以为 3或 4等， 在此对第二断开标识的具体大小和具体取值不^限定。
702: 移动宽带设备发送中断上报断开消息给主机， 该中断上报断开消息 携带第二断开标识。 其中，在该中断上报断开消息中增加断开标识字段， 该断开标识字段用于 携带第二断开标识。 其中，主机可以是个人笔记本电脑等可以利用移动宽带设备连接到网络侧 的设备， 在此不对主机做具体限定。
703: 主机接收移动宽带设备发送的中断上报断开消息， 根据该中断上报 断开消息携带的第二断开标识确定移动宽带设备与网络侧处于的连接状态，将 主机包括的状态标识的取值设置为该连接状态对应的连接标识。 其中， 当前时刻之前主机包括的状态标识的取值为第三连接标识，根据该 主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处于第三连接 状态， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接；根据该中断上报断开消息携带的第二断开标识和当前时刻之前移动 宽带设备与网络侧处于第三连接状态，确定当前时刻移动宽带设备与网络侧处 于第一连接状态， 第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接，据此设置主机包括的状态标识的取值为第一连接状态对应的第一连接标 识。 其中， 主机包括网卡驱动和主机协议栈， 网卡驱动根据当前时刻之前主机 包括的状态标识的取值为第三连接标识确定当前时刻之前移动宽带设备与网 络侧处于第三连接状态，根据该中断上报断开消息携带的第二断开标识和当前 时刻之前移动宽带设备与网络侧处于第三连接状态，确定当前时刻移动宽带设 备与网络侧处于的第一连接状态，将主机包括的状态标识的取值设置为第一连 接状态对应的第一连接标识。
704: 主机判断主机包括的状态标识的取值非断开状态对应的标识， 则获 取主机的 IP地址。 其中， 当主机包括的状态标识的取值发生变化时， 主机就对该状态标识的 取值做判断，如果判断出该状态标识的取值非断开状态对应的标识， 则获取主 机的 IP地址， 连接到网络侧； 如果判断出该状态标识的取值是断开状态对应 的标识， 则主机断开与网络侧的连接。
断出该状态标识的取值非断开状态对应的标识，网卡驱动发送上 4艮连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后，发送 查询命令给移动宽带设备，接收移动宽带设备返回的查询响应， 获取该查询响 应中携带的主机的 IP地址， 连接到网络侧； 如果判断出该状态标识的取值是 断开状态对应的标识， 则网卡驱动发送上报断开状态消息给主机协议栈， 主机 协议栈断开与网络侧的连接。 其中， 断开状态对应的标识用于标识移动宽带设备与网络侧处于断开状 态。
在本步骤中， 主机包括的状态标识的取值为第一连接标识，表明移动宽带 设备与网络侧之间存在 IPv4 PDP连接， 网卡驱动对该状态标识的取值进行判 断， 并判断出该状态标识的取值非断开状态对应的标识，发送上报连接状态消 息给主机协议栈； 主机协议栈接收网卡驱动发送的上报连接状态消息后，发送 查询命令给移动宽带设备； 移动宽带设备接收主机协议栈发送的查询命令， 获 取自身存储的 IPv4 PDP连接对应的 IPv4地址， 发送查询响应给主机协议栈， 该查询响应携带获取的 IPv4地址； 主机协议栈接收移动宽带设备发送的查询 响应后， 获取该查询响应携带的 IPv4地址， 继续连接到 IPv4网络， 此时主机 没有获取到 IPv6地址， 断开了与 IPv6网络的连接。
705: 移动宽带设备与网络侧之间只存在 IPv4 PDP连接， 如果又检测出与 网络侧之间存在的 IPv4 PDP连接断开， 则获取第一断开标识。 其中， 移动宽带设备与网络侧之间只存在 IPv4 PDP连接， 当移动宽带设 备与网络侧的 IPv4 PDP连接发生断开时， 移动宽带设备与网络侧之间不存在 PDP连接。 在发生 IPv4 PDP连接断开时，移动宽带设备释放存储的 IPv4 PDP连接对 应的 IPv4地址， 此时移动宽带设备没有存储 IP地址。
在本步骤中， IPv4 PDP连接断开的原因可以是网络信号不足， 或用户主 动切断移动宽带设备与网络侧的连接等。
其中， 第一断开标识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连 接断开， 第一断开标识的字长可以是 1个字节或 2个字节等， 第一断开标识的 取值可以为 1或 2等， 在此对第二断开标识的具体大小和具体取值不^限定。
706: 移动宽带设备发送中断上报断开消息给主机， 该中断上报断开消息 携带第一断开标识。 其中， 该中断上 断开消息中的断开标识字段用于携带第一断开标识。
707: 主机接收移动宽带设备发送的中断上报断开消息， 根据该中断上报 断开消息携带的第一断开标识确定移动宽带设备与网络侧处于的连接状态，将 主机包括的状态标识的取值设置为该连接状态对应的连接标识。 其中， 当前时刻之前主机包括的状态标识的取值为第一连接标识，根据该 主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处于第一连接 状态， 第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接； 根据 该中断上报断开消息携带的第一断开标识和当前时刻之前移动宽带设备与网 络侧处于第一连接状态， 确定当前时刻移动宽带设备与网络侧处于断开状态， 据此设置主机包括的状态标识的取值为断开状态对应的标识。 其中，主机的网卡驱动根据当前时刻之前主机包括的状态标识的取值为第 一连接标识确定当前时刻之前移动宽带设备与网络侧处于第一连接状态，根据 该中断上报断开消息携带的第一断开标识和当前时刻之前移动宽带设备与网 络侧处于第一连接状态，确定移动宽带设备与网络侧处于断开状态，将主机包 括的状态标识的取值设置为断开状态对应的标识。
708: 主机判断主机包括的状态标识的取值是断开状态对应的标识， 断开 与网络侧的连接。
状态标识的取值是断开状态对应的标识。 在本步骤中， 主机包括的状态标识的取值是断开状态对应的标识，表明移 动宽带设备与网络侧处于断开状态， 网卡驱动对该状态标识的取值进行判断， 并判断出该状态标识的取值是断开状态对应的标识，发送上报断开状态消息给 主机协议栈； 主机协议栈接收到网卡驱动发送的上报断开状态消息后， 断开与 网络侧的连接。 特别地，在实施例六和实施例七的方法中，如果移动宽带设备检测出与网 络侧之间的 IPv4 PDP连接和 IPv4 PDP连接同时断开，主机断开与网络侧的连 接。 参见图 8, 执行的步骤如下：
801： 移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接， 移动宽带设备检测与网络侧之间的 PDP连接信息， 如果检测出与网络侧之间 存在的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 则获取第三断开标识。 其中，移动宽带设备事先与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连 接， 当移动宽带设备与网络侧的 IPv4 PDP连接和 IPv6 PDP连接同时断开时， 移动宽带设备与网络侧之间不存在 PDP连接。 在发生 IPv4 PDP连接和 IPv6 PDP连接同时断开时，移动宽带设备释放存储的 IPv4 PDP连接对应的 IPv4地 址和 IPv6 PDP连接对应的 IPv6地址， 此时移动宽带设备没有存储 IP地址。 在本步骤中， IPv4 PDP连接和 IPv6 PDP连接同时断开的原因可以是网络 信号不足， 或用户主动切断移动宽带设备与网络侧的连接等。 其中， 第三断开标识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连 接和 IPv6 PDP连接同时断开， 第三断开标识的字长可以是 1个字节或 2个字 节等， 第三断开标识的取值可以为 5或 6等，在此对第三断开标识的具体大小 和具体取值不做限定。
802: 移动宽带设备发送中断上报断开消息给主机， 该中断上报断开消息 携带第三断开标识。 其中， 该中断上 断开消息中的断开标识字段用于携带第三断开标识。
803: 主机接收移动宽带设备发送的中断上报断开消息， 根据该中断上报 断开消息携带的第三断开标识确定移动宽带设备与网络侧处于的连接状态，将 主机包括的状态标识的取值设置为该连接状态对应的连接标识。 其中，根据该中断上报断开消息携带的第三断开标识，确定当前时刻移动 宽带设备与网络侧处于断开状态，据此设置主机包括的状态标识的取值为断开 态对应的标识。 其中， 主机包括网卡驱动和主机协议栈， 网卡驱动根据该中断上报断开消 息携带的第三断开标识， 确定当前时刻移动宽带设备与网络侧处于的断开状 态， 将主机包括的状态标识的取值设置为断开状态对应的标识。
804: 主机判断主机包括的状态标识的取值是断开状态对应的标识， 断开 与网络侧的连接。
状态标识的取值是断开状态对应的标识。 在本步骤中， 主机包括的状态标识的取值是断开状态对应的标识，表明移 动宽带设备与网络侧处于断开状态， 网卡驱动对该状态标识的取值进行判断， 并判断出该状态标识的取值是断开状态对应的标识，发送上报断开状态消息给 主机协议栈； 主机协议栈接收到网卡驱动发送的上报断开状态消息， 断开与网 络侧的连接。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术， 本发明实施例在主机获取了 IPv4地址和 IPv6地址后， 当移动宽带设备与 网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对应的 IP地址， 并连接到相应的网络， 使得 用户可以更有效地使用可用的网络。
实施例七 本发明实施例提供了一种移动宽带设备，该移动宽带设备用于执行实施例 一至六中任一实施例提供的获取互联网协议地址的方法。 参见图 9, 该移动宽 带设备包括： 检测模块 901 , 用于检测与网络侧之间的 PDP连接信息； 获取模块 902, 用于如果检测模块 901检测出移动宽带设备与网络侧之间 的 PDP连接信息发生变化， 则获取标识信息， 该标识信息用于标识移动宽带 设备与网络侧之间的 PDP连接信息； 发送模块 903, 用于发送获取模块 902获取的标识信息给主机， 使主机根 据标识信息获取主机的 IP地址。 具体地， 获取模块 902, 具体用于如果检测模块 901检测出移动宽带设备 与网络侧之间建立 PDP连接， 则确定移动宽带设备与网络侧处于的连接状态， 获取连接状态对应的连接标识。
相应地， 发送模块 903, 具体用于发送中断上报连接消息给主机， 中断上 报连接消息携带获取模块 902获取的连接状态对应的连接标识。 其中， 参见图 10, 获耳 ^莫块 902包括：
第一获取单元 904, 具体用于如果检测模块 901检测出移动宽带设备与网 络侧之间建立 IPv4 PDP连接且移动宽带设备与网络侧之间不存在 IPv6 PDP连 接， 则确定移动宽带设备与网络侧处于第一连接状态，获取第一连接状态对应 的第一连接标识； 第二获取单元 905, 具体用于如果检测模块 901检测出移动宽带设备与网 络侧之间建立 IPv6 PDP连接且移动宽带设备与网络侧之间不存在 IPv4 PDP连 接， 则确定移动宽带设备与网络侧处于第二连接状态，获取第二连接状态对应 的第二连接标识；
第三获取单元 906, 具体用于如果移动宽带设备与网络侧之间存在 IPv4
PDP连接后检测模块 901检测出移动宽带设备与网络侧之间建立 IPv6 PDP连 接或者移动宽带设备与网络侧之间存在 IPv6 PDP连接后检测模块 901检测出 移动宽带设备与网络侧之间建立 IPv4 PDP连接， 则确定移动宽带设备与网络 侧处于第三连接状态， 获取第三连接状态对应的第三连接标识。 具体地， 获取模块 902, 具体用于如果检测模块 901检测出移动宽带设备 与网络侧之间存在 PDP连接断开， 则获取断开标识， 断开标识用于标识移动 宽带设备与网络侧之间断开的 PDP连接。 相应地， 发送模块 903, 具体用于发送中断上报断开消息给主机， 中断上 报断开消息携带获取模块 902获取的断开标识。
其中， 参见图 10, 获取模块 902还包括：
第四获取单元 907, 具体用于如果检测模块 901检测出移动宽带设备与网 络侧之间存在的 IPv4 PDP连接断开， 则获取第一断开标识， 第一断开标识用 于标识移动宽带设备与网络侧之间的 IPv4 PDP连接断开； 第五获取单元 908, 具体用于如果检测模块 901检测出移动宽带设备与网 络侧之间存在的 IPv6 PDP连接断开， 则获取第二断开标识， 第二断开标识用 于标识移动宽带设备与网络侧之间的 IPv6 PDP连接断开； 第六获取单元 909, 具体用于如果检测模块 901检测出移动宽带设备与网 络侧之间存在的 IPv4 PDP连接和 IPv6 PDP连接同时断开，则获取第三断开标 识， 第三断开标识用于标识所移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断， 并且在主机获取了 IPv4 地址和 IPv6地址后， 当移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对 应的 IP地址， 并连接到相应的网络， 使得用户可以更有效地使用可用的网络。
实施例八 本发明实施例提供了一种主机，该主机用于执行实施例一至实施例六任一 该主机包括：
接收模块 1101 , 用于接收移动宽带设备发送的标识信息， 标识信息用于 标识移动宽带设备与网络侧之间的 PDP连接信息；
设置模块 1102, 用于根据接收模块 1101接收的标识信息设置主机包括的 状态标识的取值；
获取模块 1103, 用于如果设置模块 1102设置的状态标识的取值非断开状 态对应的标识， 则获取主机的 IP地址。 具体地， 接收模块 1101 , 具体用于接收移动宽带设备发送的中断上报连 接消息，中断上报连接消息携带移动宽带设备与网络侧处于的连接状态对应的 连接标识。
相应地， 设置模块 1102, 具体用于将主机包括的状态标识的取值设置为 移动宽带设备与网络侧处于的连接状态对应的连接标识。
其中， 参见图 11 , 设置模块 1102包括：
第一设置单元 1104, 具体用于如果移动宽带设备与网络侧处于的连接状 态为第一连接状态，第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接，则将主机包括的状态标识的取值设置为第一连接状态对应的第一连接标 识；
第二设置单元 1105 , 具体用于如果移动宽带设备与网络侧处于的连接状 态为第二连接状态，第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP 连接，则将主机包括的状态标识的取值设置为第二连接状态对应的第二连接标 识；
第三设置单元 1106, 具体用于如果移动宽带设备与网络侧处于的连接状 态为第三连接状态，第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接和 IPv6 PDP连接， 则将主机包括的状态标识的取值设置为第三连接状态 对应的第三连接标识。 具体地， 接收模块 1101 , 具体用于接收移动宽带设备发送的中断上报断 开消息， 中断上 断开消息携带断开标识， 断开标识用于标识移动宽带设备与 网络侧之间断开的 PDP连接。 相应地， 设置模块 1102, 具体用于根据接收模块 1101接收的断开标识确 定移动宽带设备与网络侧处于的连接状态，将主机包括的状态标识的取值设置 为连接状态对应的连接标识。 其中， 如果接收模块 1101接收的断开标识为第一断开标识， 第一断开标 识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连接断开， 如图 11所示， 设置模块 1102还包括： 第四设置单元 1107, 具体用于如果主机包括的状态标识的取值为第一连 接标识，根据主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处 于第一连接状态， 第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接， 根据接收模块 1101接收的第一断开标识和当前时刻之前移动宽带设备 与网络侧处于第一连接状态，确定当前时刻移动宽带设备与网络侧处于断开状 态， 并设置主机包括的状态标识的取值为断开状态对应的标识； 第五设置单元 1108, 具体用于如果主机包括的状态标识的取值为第三连 接标识，根据主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处 于第三连接状态， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接和 IPv6 PDP连接，根据接收模块 1101接收的第一断开标识和当前时刻之 前移动宽带设备与网络侧处于第三连接状态，确定当前时刻移动宽带设备与网 络侧处于第二连接状态，第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP连接，并设置主机包括的状态标识的取值为第二连接状态对应的第二连接 标识。 其中， 如果接收模块 1101接收的断开标识为第二断开标识， 第二断开标 识用于标识移动宽带设备与网络侧之间的 IPv6 PDP连接断开， 如图 12所示， 设置模块 1102还包括： 第六设置单元 1109, 具体用于如果主机包括的状态标识的取值为第二连 接标识，根据主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处 于第二连接状态， 第二连接状态为移动宽带设备与网络侧之间存在 IPv6 PDP 连接， 根据接收模块 1101接收的第二断开标识和当前时刻之前移动宽带设备 与网络侧处于第二连接状态，确定当前时刻移动宽带设备与网络侧处于断开状 态， 并设置主机包括的状态标识的取值为断开状态对应的标识； 第七设置单元 1110, 具体用于如果主机包括的状态标识的取值为第三连 接标识，根据主机包括的状态标识确定当前时刻之前移动宽带设备与网络侧处 于第三连接状态， 第三连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP 连接和 IPv6 PDP连接，根据接收模块 1101接收的第二断开标识和当前时刻之 前移动宽带设备与网络侧处于第三连接状态确定当前时刻移动宽带设备与网 络侧处于第一连接状态，第一连接状态为移动宽带设备与网络侧之间存在 IPv4 PDP连接，并设置主机包括的状态标识的取值为第一连接状态对应的第一连接 标识。 其中， 如果接收模块 1101接收的断开标识为第三断开标识， 第三断开标 识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时 断开， 如图 12所示， 设置模块 1102还包括： 第八设置单元 1111 , 具体用于根据接收模块 1101接收的第三断开标识， 确定当前时刻移动宽带设备与网络侧处于断开状态，并设置主机包括的状态标 识的取值为断开状态对应的标识。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断， 并且在主机获取了 IPv4 地址和 IPv6地址后， 当移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对 应的 IP地址， 并连接到相应的网络， 使得用户可以更有效地使用可用的网络。
实施例九 本发明实施例提供了一种获取互联网协议地址的系统， 参见图 13, 该系 统包括： 移动宽带设备 1301和主机 1302。 其中， 移动宽带设备 1301 如实施例七提供的移动宽带设备； 主机 1302 如实施例八提供的主机。 上述系统可以执行上述任一方法实施例中的方法，详细过程见方法实施例 中的描述。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断， 并且在主机获取了 IPv4 地址和 IPv6地址后， 当移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对 应的 IP地址， 并连接到相应的网络， 使得用户可以更有效地使用可用的网络。
实施例十 本发明实施例提供了一种移动宽带设备， 包括处理器和存储器， 用于执行 如下的获取互联网协议地址的方法：
检测与网络侧之间的数据分组协议 PDP连接信息；
如果检测出移动宽带设备与网络侧之间的 PDP连接信息发生变化， 则获 取标识信息，标识信息用于标识移动宽带设备与网络侧之间的 PDP连接信息； 发送标识信息给主机， 使主机根据标识信息获取主机的 IP地址。
具体地， 如果检测出移动宽带设备与网络侧之间的 PDP连接信息发生变 化， 则获取标识信息， 包括：
如果检测出移动宽带设备与网络侧之间建立 PDP连接， 则确定移动宽带 设备与网络侧处于的连接状态， 获取连接状态对应的连接标识。
相应地， 发送所述标识信息给主机， 包括： 发送中断上报连接消息给主机，中断上报连接消息携带连接状态对应的连 接标识。
具体地， 如果检测出所述移动宽带设备与网络侧之间建立 PDP连接， 则 确定移动宽带设备与网络侧处于的连接状态， 获取连接状态对应的连接标识， 包括：
如果检测出移动宽带设备与网络侧之间建立 IPv4 PDP连接且移动宽带设 备与网络侧之间不存在 IPv6 PDP连接， 则确定移动宽带设备与网络侧处于第 一连接状态， 获取第一连接状态对应的第一连接标识；
如果检测出移动宽带设备与网络侧之间建立 IPv6 PDP连接且移动宽带设 备与网络侧之间不存在 IPv4 PDP连接， 则确定移动宽带设备与网络侧处于第 二连接状态， 获取第二连接状态对应的第二连接标识； 如果移动宽带设备与网络侧之间存在 IPv4 PDP连接后检测出移动宽带设 备与网络侧之间建立 IPv6 PDP连接或者移动宽带设备与网络侧之间存在 IPv6 PDP连接后检测出移动宽带设备与网络侧之间建立 IPv4 PDP连接， 则确定移 动宽带设备与网络侧处于第三连接状态，获取第三连接状态对应的第三连接标 识。 具体地， 如果检测出移动宽带设备与网络侧之间的 PDP连接信息发生变 化， 则获取标识信息， 包括：
如果检测出移动宽带设备与网络侧之间存在的 PDP连接断开， 则获取断 开标识， 断开标识用于标识移动宽带设备与网络侧之间断开的 PDP连接。 相应地， 发送标识信息给主机， 包括： 发送中断上报断开消息给主机， 中断上报断开消息携带断开标识。 具体地， 如果检测出移动宽带设备与网络侧之间存在的 PDP连接断开， 则获取断开标识， 包括：
如果检测出移动宽带设备与网络侧之间存在的 IPv4 PDP连接断开， 则获 取第一断开标识， 第一断开标识用于标识移动宽带设备与网络侧之间的 IPv4 PDP连接断开； 如果检测出移动宽带设备与网络侧之间存在的 IPv6 PDP连接断开， 则获 取第二断开标识， 第二断开标识用于标识移动宽带设备与网络侧之间的 IPv6 PDP连接断开； 如果检测出移动宽带设备与网络侧之间存在的 IPv4 PDP连接和 IPv6 PDP 连接同时断开， 则获取第三断开标识， 第三断开标识用于标识所移动宽带设备 与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断， 并且在主机获取了 IPv4 地址和 IPv6地址后， 当移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对 应的 IP地址， 并连接到相应的网络， 使得用户可以更有效地使用可用的网络。
实施例十一 本发明实施例提供了一种主机， 包括处理器和存储器， 用于执行如下的获 取互联网协议地址的方法： 接收移动宽带设备发送的标识信息，标识信息用于标识移动宽带设备与网 络侧之间的数据分组协议 PDP连接信息； 根据标识信息设置主机包括的状态标识的取值； 如果状态标识的取值非断开状态对应的标识， 则获取主机的 IP地址。 具体地， 接收移动宽带设备发送的标识信息， 包括： 接收移动宽带设备发送的中断上报连接消息，中断上报连接消息携带移动 宽带设备与网络侧处于的连接状态对应的连接标识。 相应地， 根据标识信息设置主机包括的状态标识的取值， 包括： 将主机包括的状态标识的取值设置为移动宽带设备与网络侧处于的连接 状态对应的连接标识。 具体地， 将主机包括的状态标识的取值设置为连接状态对应的连接标识， 包括： 如果移动宽带设备与网络侧处于的连接状态为第一连接状态，第一连接状 态为移动宽带设备与网络侧之间存在 IPv4 PDP连接， 则将主机包括的状态标 识的取值设置为第一连接状态对应的第一连接标识； 如果移动宽带设备与网络侧处于的连接状态为第二连接状态，第二连接状 态为移动宽带设备与网络侧之间存在 IPv6 PDP连接， 则将主机包括的状态标 识的取值设置为第二连接状态对应的第二连接标识； 如果移动宽带设备与网络侧处于的连接状态为第三连接状态，第三连接状 态为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，则将主 机包括的状态标识的取值设置为第三连接状态对应的第三连接标识。 具体地， 接收移动宽带设备发送的上报消息， 上报消息携带标识信息， 包 括： 接收移动宽带设备发送的中断上报断开消息，中断上报断开消息携带断开 标识， 断开标识用于标识移动宽带设备与网络侧之间断开的 PDP连接。 相应地， 根据标识信息设置主机包括的状态标识的取值， 包括： 根据断开标识确定移动宽带设备与网络侧处于的连接状态，将主机包括的 状态标识的取值设置为连接状态对应的连接标识。 具体地，如果断开标识为第一断开标识， 第一断开标识用于标识移动宽带 设备与网络侧之间的 IPv4 PDP连接断开， 根据断开标识确定移动宽带设备与网络侧处于的连接状态，将主机包括的 状态标识的取值设置为连接状态对应的连接标识， 包括： 如果主机包括的状态标识的取值为第一连接标识，根据主机包括的状态标 识确定当前时刻之前移动宽带设备与网络侧处于第一连接状态，第一连接状态 为移动宽带设备与网络侧之间存在 IPv4 PDP连接， 根据第一断开标识和当前 时刻之前移动宽带设备与网络侧处于第一连接状态，确定当前时刻移动宽带设 备与网络侧处于断开状态，并设置主机包括的状态标识的取值为断开状态对应 的标识；
如果主机包括的状态标识的取值为第三连接标识，根据主机包括的状态标 识确定当前时刻之前移动宽带设备与网络侧处于第三连接状态，第三连接状态 为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据第一 断开标识和当前时刻之前移动宽带设备与网络侧处于第三连接状态，确定当前 时刻移动宽带设备与网络侧处于第二连接状态，第二连接状态为移动宽带设备 与网络侧之间存在 IPv6 PDP连接， 并设置主机包括的状态标识的取值为第二 连接状态对应的第二连接标识。
具体地，如果断开标识为第二断开标识， 第二断开标识用于标识移动宽带 设备与网络侧之间的 IPv6 PDP连接断开， 根据断开标识确定移动宽带设备与网络侧处于的连接状态，将主机包括的 状态标识的取值设置为连接状态对应的连接标识， 包括：
如果主机包括的状态标识的取值为第二连接标识，根据主机包括的状态标 识确定当前时刻之前移动宽带设备与网络侧处于第二连接状态，第二连接状态 为移动宽带设备与网络侧之间存在 IPv6 PDP连接， 根据第二断开标识和当前 时刻之前移动宽带设备与网络侧处于第二连接状态，确定当前时刻移动宽带设 备与网络侧处于断开状态，并设置主机包括的状态标识的取值为断开状态对应 的标识；
如果主机包括的状态标识的取值为第三连接标识，根据主机包括的状态标 识确定当前时刻之前移动宽带设备与网络侧处于第三连接状态，第三连接状态 为移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据第二 断开标识和当前时刻之前移动宽带设备与网络侧处于第三连接状态，确定当前 时刻移动宽带设备与网络侧处于第一连接状态，第一连接状态为移动宽带设备 与网络侧之间存在 IPv4 PDP连接， 并设置主机包括的状态标识的取值为第一 连接状态对应的第一连接标识。 具体地，如果断开标识为第三断开标识， 第三断开标识用于标识移动宽带 设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 根据断开标识确定移动宽带设备与网络侧处于的连接状态，将主机包括的 状态标识的取值设置为连接状态对应的连接标识， 包括： 根据第三断开标识， 确定当前时刻移动宽带设备与网络侧处于断开状态， 并设置主机包括的状态标识的取值为断开状态对应的标识。 综上所述， 本发明实施例提供的方法，通过移动宽带设备发送标识信息给 主机，使得主机根据标识信息而设置主机包括的状态标识的取值， 不同状态标 识的取值对应不同的移动宽带设备与网络侧的连接状态，只要状态标识的取值 非断开状态对应的标识， 主机向移动宽带设备查询并获取 IP地址， 只要状态 标识的取值是断开状态对应的标识， 主机断开与网络侧的连接。相比于现有技 术，本发明实施例中无论是移动宽带设备建立 IPv4 PDP连接和 IPv6 PDP连接 的先后顺序如何或是时间间隔长短， 主机在获取 IPv4地址和 IPv6地址的过程 中都不需要网络断开， 不会造成用户数据业务中断， 并且在主机获取了 IPv4 地址和 IPv6地址后， 当移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接的其中一个 PDP连接断开之后， 主机还可以获取另一个 PDP连接对 应的 IP地址， 并连接到相应的网络， 使得用户可以更有效地使用可用的网络。
需要说明的是：上述实施例提供的移动宽带设备和主机在获取互联网协议 地址时， 仅以上述各功能模块的划分进行举例说明， 实际应用中， 可以根据需 要而将上述功能分配由不同的功能模块完成，即将移动宽带设备和主机的内部 结构划分成不同的功能模块， 以完成以上描述的全部或者部分功能。 另外， 上 述实施例提供的移动宽带设备和主机与获取互联网协议地址的方法实施例属 于同一构思， 其具体实现过程详见方法实施例， 这里不再赘述。 上述本发明实施例序号仅仅为了描述， 不代表实施例的优劣。 本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通 过硬件来完成，也可以通过程序来指令相关的硬件完成， 所述的程序可以存储 于一种计算机可读存储介质中， 上述提到的存储介质可以是只读存储器，磁盘 或光盘等。 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的 精神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的 保护范围之内。

Claims

权 利 要 求
1、 一种获取互联网协议地址的方法， 其特征在于， 所述方法包括： 检测与网络侧之间的数据分组协议 PDP连接信息；
如果检测出所述移动宽带设备与网络侧之间的 PDP连接信息发生变化， 则 获取标识信息，所述标识信息用于标识所述移动宽带设备与网络侧之间的 PDP 连接信息；
发送所述标识信息给主机，使所述主机根据所述标识信息获取主机的互联 网协议 IP地址。
2、 根据权利要求 1所述的方法， 其特征在于， 所述如果检测出所述移动宽 带设备与网络侧之间的 PDP连接信息发生变化， 则获取标识信息， 包括：
如果检测出所述移动宽带设备与网络侧之间建立 PDP连接， 则确定所述移 动宽带设备与网络侧处于的连接状态， 获取所述连接状态对应的连接标识。
3、 根据权利要求 2所述的方法， 其特征在于， 所述发送所述标识信息给主 机， 包括：
发送中断上报连接消息给主机，所述中断上报连接消息携带所述连接状态 对应的连接标识。
4、 根据权利要求 2所述的方法， 其特征在于， 所述如果检测出所述移动宽 带设备与网络侧之间建立 PDP连接，则确定所述移动宽带设备与网络侧处于的 连接状态， 获取所述连接状态对应的连接标识， 包括：
如果检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接且所述移 动宽带设备与网络侧之间不存在 IPv6 PDP连接，则确定所述移动宽带设备与网 络侧处于第一连接状态， 获取所述第一连接状态对应的第一连接标识；
如果检测出所述移动宽带设备与网络侧之间建立 IPv6 PDP连接且所述移 动宽带设备与网络侧之间不存在 IPv4 PDP连接，则确定所述移动宽带设备与网 络侧处于第二连接状态， 获取所述第二连接状态对应的第二连接标识；
如果所述移动宽带设备与网络侧之间存在 IPv4 PDP连接后检测出所述移 动宽带设备与网络侧之间建立 IPv6 PDP连接或者所述移动宽带设备与网络侧 之间存在 IPv6 PDP连接后检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接， 则确定所述移动宽带设备与网络侧处于第三连接状态， 获取所述第 三连接状态对应的第三连接标识。
5、 根据权利要求 1所述的方法， 其特征在于， 所述如果检测出所述移动宽 带设备与网络侧之间的 PDP连接信息发生变化， 则获取标识信息， 包括：
如果检测出所述移动宽带设备与网络侧之间存在的 PDP连接断开，则获取 断开标识，所述断开标识用于标识所述移动宽带设备与网络侧之间断开的 PDP 连接。
6、 根据权利要求 5所述的方法， 其特征在于， 所述发送所述标识信息给主 机， 包括：
发送中断上报断开消息给主机， 所述中断上报断开消息携带所述断开标 识。
7、 根据权利要求 5所述的方法， 其特征在于， 所述如果检测出所述移动宽 带设备与网络侧之间存在的 PDP连接断开， 则获取断开标识， 包括：
如果检测出所述移动宽带设备与网络侧之间存在的 IPv4 PDP连接断开，则 获取第一断开标识，所述第一断开标识用于标识所述移动宽带设备与网络侧之 间的 IPv4 PDP连接断开；
如果检测出所述移动宽带设备与网络侧之间存在的 IPv6 PDP连接断开，则 获取第二断开标识，所述第二断开标识用于标识所述移动宽带设备与网络侧之 间的 IPv6 PDP连接断开；
如果检测出所述移动宽带设备与网络侧之间存在的 IPv4 PDP连接和 IPv6
PDP连接同时断开， 则获取第三断开标识， 所述第三断开标识用于标识所移动 宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开。
8、 一种获取互联网协议地址的方法， 其特征在于， 所述方法包括： 接收移动宽带设备发送的标识信息，所述标识信息用于标识所述移动宽带 设备与网络侧之间的数据分组协议 PDP连接信息；
根据所述标识信息设置主机包括的状态标识的取值；
如果所述状态标识的取值非断开状态对应的标识 ,则获取主机的互联网协 议 IP地址。
9、 根据权利要求 8所述的方法， 其特征在于， 所述接收移动宽带设备发送 的标识信息， 包括：
接收移动宽带设备发送的中断上报连接消息，所述中断上报连接消息携带 所述移动宽带设备与网络侧处于的连接状态对应的连接标识。
10、 根据权利要求 9所述的方法， 其特征在于， 所述根据所述标识信息设 置主机包括的状态标识的取值， 包括：
将主机包括的状态标识的取值设置为所述移动宽带设备与网络侧处于的 连接状态对应的连接标识。
11、 根据权利要求 10所述的方法， 其特征在于， 所述将主机包括的状态标 识的取值设置为所述移动宽带设备与网络侧处于的连接状态对应的连接标识， 包括：
如果所述移动宽带设备与网络侧处于的连接状态为第一连接状态，所述第 一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接，则将主机包 括的状态标识的取值设置为所述第一连接状态对应的第一连接标识；
如果所述移动宽带设备与网络侧处于的连接状态为第二连接状态，所述第 二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，则将主机包 括的状态标识的取值设置为所述第二连接状态对应的第二连接标识；
如果所述移动宽带设备与网络侧处于的连接状态为第三连接状态，所述第 三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP 连接，则将主机包括的状态标识的取值设置为所述第三连接状态对应的第三连 接标识。
12、 根据权利要求 8所述的方法， 其特征在于， 所述接收移动宽带设备发 送的标识信息， 包括：
接收移动宽带设备发送的中断上报断开消息，所述中断上报断开消息携带 断开标识，所述断开标识用于标识所述移动宽带设备与网络侧之间断开的 PDP 连接。
13、 根据权利要求 12所述的方法， 其特征在于， 所述根据所述标识信息设 置主机包括的状态标识的取值， 包括：
根据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态，将主 机包括的状态标识的取值设置为所述连接状态对应的连接标识。
14、 根据权利要求 13所述的方法， 其特征在于， 如果所述断开标识为第一 断开标识，所述第一断开标识用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接断开，
所述根据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 如果主机包括的状态标识的取值为第一连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第一连接状态，所述 第一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接，根据所述 第一断开标识和当前时刻之前所述移动宽带设备与网络侧处于第一连接状态， 确定当前时刻所述移动宽带设备与网络侧处于断开状态，并设置所述主机包括 的状态标识的取值为所述断开状态对应的标识；
如果主机包括的状态标识的取值为第三连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第三连接状态，所述 第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据所述第一断开标识和当前时刻之前所述移动宽带设备与网络侧 处于第三连接状态，确定当前时刻所述移动宽带设备与网络侧处于第二连接状 态， 所述第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接， 并设置所述主机包括的状态标识的取值为所述第二连接状态对应的第二连接 标识。
15、 根据权利要求 13所述的方法， 其特征在于， 如果所述断开标识为第二 断开标识，所述第二断开标识用于标识所述移动宽带设备与网络侧之间的 IPv6 PDP连接断开，
所述根据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 如果主机包括的状态标识的取值为第二连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第二连接状态，所述 第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，根据所述 第二断开标识和当前时刻之前所述移动宽带设备与网络侧处于第二连接状态， 确定当前时刻所述移动宽带设备与网络侧处于断开状态，并设置所述主机包括 的状态标识的取值为所述断开状态对应的标识；
如果主机包括的状态标识的取值为第三连接标识，根据所述主机包括的状 态标识确定当前时刻之前所述移动宽带设备与网络侧处于第三连接状态，所述 第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，根据所述第二断开标识和当前时刻之前所述移动宽带设备与网络侧 处于第三连接状态，确定当前时刻所述移动宽带设备与网络侧处于第一连接状 态， 所述第一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接， 并设置所述主机包括的状态标识的取值为所述第一连接状态对应的第一连接 标识。
16、 根据权利要求 13所述的方法， 其特征在于， 如果所述断开标识为第三 断开标识，所述第三断开标识用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开，
所述根据所述断开标识确定所述移动宽带设备与网络侧处于的连接状态， 将主机包括的状态标识的取值设置为所述连接状态对应的连接标识， 包括： 根据所述第三断开标识，确定当前时刻所述移动宽带设备与网络侧处于断
17、 一种移动宽带设备， 其特征在于， 所述移动宽带设备包括： 检测模块， 用于检测与网络侧之间的数据分组协议 PDP连接信息； 获取模块，用于如果所述检测模块检测出所述移动宽带设备与网络侧之间 的 PDP连接信息发生变化， 则获取标识信息， 所述标识信息用于标识所述移动 宽带设备与网络侧之间的 PDP连接信息；
发送模块， 用于发送所述获取模块获取的所述标识信息给主机，使所述主 机根据所述标识信息获取主机的互联网协议 IP地址。
18、 根据权利要求 17所述的移动宽带设备， 其特征在于，
所述获耳 ^莫块，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间建立 PDP连接， 则确定所述移动宽带设备与网络侧处于的连接状态， 获取所述连接状态对应的连接标识。
19、 根据权利要求 18所述的移动宽带设备， 其特征在于，
所述发送模块， 具体用于发送中断上报连接消息给主机， 所述中断上报连 接消息携带所述获取模块获取的所述连接状态对应的连接标识。
20、 根据权利要求 18所述的移动宽带设备， 其特征在于， 所述获取模块包 括：
第一获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间建立 IPv4 PDP连接且所述移动宽带设备与网络侧之间不存在 IPv6 PDP连接， 则确定所述移动宽带设备与网络侧处于第一连接状态， 获取所述第 一连接状态对应的第一连接标识；
第二获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间建立 IPv6 PDP连接且所述移动宽带设备与网络侧之间不存在 IPv4 PDP连接， 则确定所述移动宽带设备与网络侧处于第二连接状态， 获取所述第 二连接状态对应的第二连接标识；
第三获取单元， 具体用于如果所述移动宽带设备与网络侧之间存在 IPv4 PDP连接后所述检测模块检测出所述移动宽带设备与网络侧之间建立 IPv6 PDP连接或者所述移动宽带设备与网络侧之间存在 IPv6 PDP连接后所述检测 模块检测出所述移动宽带设备与网络侧之间建立 IPv4 PDP连接，则确定所述移 动宽带设备与网络侧处于第三连接状态，获取所述第三连接状态对应的第三连 接标识。
21、 根据权利要求 17所述的移动宽带设备， 其特征在于，
所述获耳 ^莫块，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 PDP连接断开， 则获取断开标识， 所述断开标识用于标识所述 移动宽带设备与网络侧之间断开的 PDP连接。
22、 根据权利要求 21所述的移动宽带设备， 其特征在于，
所述发送模块， 具体用于发送中断上报断开消息给主机， 所述中断上报断 开消息携带所述获取模块获取的所述断开标识。
23、 根据权利要求 21所述的移动宽带设备， 其特征在于， 所述获取模块还 包括：
第四获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv4 PDP连接断开， 则获取第一断开标识， 所述第一断开标识 用于标识所述移动宽带设备与网络侧之间的 IPv4 PDP连接断开；
第五获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv6 PDP连接断开， 则获取第二断开标识， 所述第二断开标识 用于标识所述移动宽带设备与网络侧之间的 IPv6 PDP连接断开；
第六获取单元，具体用于如果所述检测模块检测出所述移动宽带设备与网 络侧之间存在的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 则获取第三断开标 识，所述第三断开标识用于标识所移动宽带设备与网络侧之间的 IPv4 PDP连接 和 IPv6 PDP连接同时断开。
24、 一种主机， 其特征在于， 所述主机包括：
接收模块， 用于接收移动宽带设备发送的标识信息， 所述标识信息用于标 识所述移动宽带设备与网络侧之间的数据分组协议 PDP连接信息；
设置模块，用于根据所述接收模块接收的所述标识信息设置主机包括的状 态标识的取值；
获取模块，用于如果所述设置模块设置的所述状态标识的取值非断开状态 对应的标识， 则获取主机的互联网协议 IP地址。
25、 根据权利要求 24所述的主机， 其特征在于，
所述接收模块， 具体用于接收移动宽带设备发送的中断上报连接消息， 所 述中断上报连接消息携带所述移动宽带设备与网络侧处于的连接状态对应的 连接标识。
26、 根据权利要求 25所述的主机， 其特征在于，
所述设置模块，具体用于将主机包括的状态标识的取值设置为所述移动宽 带设备与网络侧处于的连接状态对应的连接标识。
27、 根据权利要求 26所述的主机， 其特征在于， 所述设置模块包括： 第一设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第一连接状态， 所述第一连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接，则将主机包括的状态标识的取值设置为所述第一连接状态对应 的第一连接标识；
第二设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第二连接状态， 所述第二连接状态为所述移动宽带设备与网络侧之间存在 IPv6 PDP连接，则将主机包括的状态标识的取值设置为所述第二连接状态对应 的第二连接标识；
第三设置单元，具体用于如果所述移动宽带设备与网络侧处于的连接状态 为第三连接状态， 所述第三连接状态为所述移动宽带设备与网络侧之间存在 IPv4 PDP连接和 IPv6 PDP连接，则将主机包括的状态标识的取值设置为所述第 三连接状态对应的第三连接标识。
28、 根据权利要求 24所述的主机， 其特征在于，
所述接收模块， 具体用于接收所述移动宽带设备发送的中断上报断开消 息， 所述中断上报断开消息携带断开标识， 所述断开标识用于标识所述移动宽 带设备与网络侧之间断开的 PDP连接。
29、 根据权利要求 28所述的主机， 其特征在于，
所述设置模块，具体用于根据所述接收模块接收的所述断开标识确定所述 移动宽带设备与网络侧处于的连接状态，将主机包括的状态标识的取值设置为 所述连接状态对应的连接标识。
30、 根据权利要求 29所述的主机， 其特征在于， 如果所述接收模块接收的 断开标识为第一断开标识，所述第一断开标识用于标识所述移动宽带设备与网 络侧之间的 IPv4 PDP连接断开，
所述设置模块还包括：
第四设置单元， 具体用于如果主机包括的状态标识的取值为第一连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第一连接状态，所述第一连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接，根据所述接收模块接收的第一断开标识和当前时刻之前所述 移动宽带设备与网络侧处于第一连接状态，确定当前时刻所述移动宽带设备与 网络侧处于断开状态，并设置所述主机包括的状态标识的取值为所述断开状态 对应的标识；
第五设置单元， 具体用于如果主机包括的状态标识的取值为第三连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第三连接状态，所述第三连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接和 IPv6 PDP连接，根据所述接收模块接收的第一断开标识和当 前时刻之前所述移动宽带设备与网络侧处于第三连接状态，确定当前时刻所述 移动宽带设备与网络侧处于第二连接状态，所述第二连接状态为所述移动宽带 设备与网络侧之间存在 IPv6 PDP连接，并设置所述主机包括的状态标识的取值 为所述第二连接状态对应的第二连接标识。
31、 根据权利要求 29所述的主机， 其特征在于， 如果所述接收模块接收的 断开标识为第二断开标识，所述第二断开标识用于标识所述移动宽带设备与网 络侧之间的 IPv6 PDP连接断开，
所述设置模块还包括：
第六设置单元， 具体用于如果主机包括的状态标识的取值为第二连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第二连接状态，所述第二连接状态为所述移动宽带设备与网络侧之间存 在 IPv6 PDP连接，根据所述接收模块接收的第二断开标识和当前时刻之前所述 移动宽带设备与网络侧处于第二连接状态，确定当前时刻所述移动宽带设备与 网络侧处于断开状态，并设置所述主机包括的状态标识的取值为所述断开状态 对应的标识；
第七设置单元， 具体用于如果主机包括的状态标识的取值为第三连接标 识，根据所述主机包括的状态标识确定当前时刻之前所述移动宽带设备与网络 侧处于第三连接状态，所述第三连接状态为所述移动宽带设备与网络侧之间存 在 IPv4 PDP连接和 IPv6 PDP连接，根据所述接收模块接收的第二断开标识和当 前时刻之前所述移动宽带设备与网络侧处于第三连接状态确定当前时刻所述 移动宽带设备与网络侧处于第一连接状态，所述第一连接状态为所述移动宽带 设备与网络侧之间存在 IPv4 PDP连接，并设置所述主机包括的状态标识的取值 为所述第一连接状态对应的第一连接标识。
32、 根据权利要求 29所述的主机， 其特征在于， 如果所述接收模块接收的 断开标识为第三断开标识，所述第三断开标识用于标识所述移动宽带设备与网 络侧之间的 IPv4 PDP连接和 IPv6 PDP连接同时断开， 所述设置模块还包括： 第八设置单元， 具体用于根据所述接收模块接收的第三断开标识，确定当 前时刻所述移动宽带设备与网络侧处于断开状态，并设置主机包括的状态标识 的取值为所述断开状态对应的标识。
33、 一种获取互联网协议地址的系统， 所述系统包括： 如权利要求 17至 23 任一项权利要求所述的移动宽带设备和如权利要求 24至 32任一项权利要求所 述的主机。
34、 一种移动宽带设备， 其特征在于， 所述移动宽带设备包括处理器和存 储器，用于执行权利要求 1至 7中任一项权利要求所述的获取互联网协议地址的 方法。
35、 一种主机， 其特征在于， 所述主机包括处理器和存储器， 用于执行权 利要求 8至 16中任一项权利要求所述的获取互联网协议地址的方法。
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