WO2015143824A1 - IPv6过渡技术类型处理方法、装置及系统 - Google Patents

IPv6过渡技术类型处理方法、装置及系统 Download PDF

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Publication number
WO2015143824A1
WO2015143824A1 PCT/CN2014/084671 CN2014084671W WO2015143824A1 WO 2015143824 A1 WO2015143824 A1 WO 2015143824A1 CN 2014084671 W CN2014084671 W CN 2014084671W WO 2015143824 A1 WO2015143824 A1 WO 2015143824A1
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Prior art keywords
transition technology
ipv6 transition
ipv6
technology types
types
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PCT/CN2014/084671
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English (en)
French (fr)
Inventor
王翠
孟伟
蔡磊
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中兴通讯股份有限公司
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Publication of WO2015143824A1 publication Critical patent/WO2015143824A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/167Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34Signalling channels for network management communication

Definitions

  • the present invention relates to the field of communications, and in particular to an IPv6 transition technology type processing method, apparatus, system, client device, and network side server.
  • Background Art With the rapid development of modern technologies, the Internet has been widely applied to various fields. The protocol IPv4 used at this stage can no longer meet the development of the times. Its defined IPv4 has been allocated, and many countries and regions are facing the shortage of IPv4 addresses. The new generation of address protocols IPv6 is an inevitable trend to replace IPv4, but the transition from IPv4 to IPv6 will be a gradual long-term process. In the process, many types of IPv6 transition technologies have emerged, including:
  • NAT44 Network Address Translation IPv4-IPv4, IPv4 to IPv4 network address translation
  • NAT444 Network Address Translation IPv4-IPv4-IPv4, IPv4 to IPv4 double-layer network address translation
  • MAP-E Map of Address and Port with Encapsulation
  • MAP-T Mapping of Address and Port with Translation
  • 4RD IPv4 Residual Deployment
  • 6RD IPv6 Rapid Deployment
  • FIG. 1 is a schematic diagram of a scenario in which a plurality of IPv6 transition technologies are supported in a related art network. As shown in FIG. 1 , an operator provides a CPE that supports DS-Lite technology to user A, and accesses a BNAS that supports DS-Lite. After a period of time, the new user B is activated.
  • CPE Customer Premise Equipment client premises equipment
  • BNAS Broadband Network Access Service
  • the user B uses the general-purpose CPE B.
  • the CPE B supports various types of transition technologies. After the CPE B accesses the network, the default network does not know which network is supported. The type of transition technology, so you cannot carry the type value of the transition technology type parameter option that you are interested in in the Option Request Option. As a result, you cannot obtain the corresponding parameter information under the current transition technology type, resulting in the service. failure.
  • the mode 0 identifier carries the Dual Stack type; the mode 1 identifier carries the DS-Lite type; the mode 2 identifier carries the Lightweight 4over6 type, and the like; however, the technology only delivers the transition technology type value, and the transition technology type is not delivered.
  • the required network parameter configuration information is required; the client and the server need to be further interacted to complete the delivery of the network parameter configuration information; the interaction process is increased to some extent, and the efficiency is reduced.
  • the option request option (Option Request Option) carries the type value of the pre-configured parameter set option corresponding to the transition technology type of interest, and sends a DHCPv6 server.
  • an IPv6 transition technique type processing method including:
  • the request message for requesting the IPv6 transition technology type is sent to the network side server; and the response message sent by the network side server according to the request message is received, where the response report
  • the packet carries one or more types of IPv6 transition technologies allocated, and one or more pre-configured parameter sets corresponding to the one or more IPv6 transition technology types.
  • the method further includes: saving the one or more types of IPv6 transition technologies carried in the response message, and The one or more pre-configured parameter sets corresponding to the one or more IPv6 transition technology types.
  • the method further includes: determining that the network side server generates the one or more preconfigured parameter sets corresponding to the one or more IPv6 transition technology types and/or the one or more IPv6 transition technology types Updating; updating the one or more pre-configured parameter sets corresponding to the one or more IPv6 transition technology types and/or the one or more IPv6 transition technology types.
  • the request message for requesting an IPv6 transition technology type and the response message carries the one or more types of IPv6 transition technologies allocated, and the one or more IPv6 transitions
  • the one or more pre-configured parameter sets corresponding to the technology type are implemented in one of the following ways: by extending the dynamic host configuration protocol v4 DHCPv4 option; by extending the dynamic host configuration protocol v6 DHCPv6 option; by extending the technical report -069
  • the TR-069 parameter is implemented.
  • an IPv6 transition technology type processing method including: receiving a request message for requesting an IPv6 transition technology type sent by a client device in an unknown IPv6 transition technology type; Sending a response packet to the client device according to the request packet, where the response packet carries one or more types of IPv6 transition technologies allocated, and the one or more IPv6 transition technologies A set of one or more preconfigured parameters corresponding to the type.
  • the method before the sending the response message to the client device according to the request packet, the method further includes: acquiring the one or more IPv6 transition technology types, and the one of the following manners Or multiple IPv6 One or more pre-configured parameter sets corresponding to the transition technology type: a locally configured manner, the one corresponding to the one or more IPv6 transition technology types and the one or more IPv6 transition technology types A method of dynamically obtaining a server device of a plurality or a plurality of pre-configured parameter sets.
  • the method further includes: determining the one or more IPv6 transition technology types and/or the one or more IPv6 Updating the one or more pre-configured parameter sets corresponding to the transition technology type; transmitting the updated one or more IPv6 transition technology types and/or the one or more to the client device The one or more pre-configured parameter sets corresponding to the IPv6 transition technology type.
  • an IPv6 transition technology type processing apparatus including: a first sending module, configured to send a request for an IPv6 transition technology type to a network side server in the case of an unknown IPv6 transition technology type
  • the first receiving module is configured to receive the response message sent by the network side server according to the request message, where the response message carries one or more allocated IPv6 transitions.
  • the type of the technology, and the one or more pre-configured parameters corresponding to the type of the IPv6 transition technology preferably, the apparatus further includes: a saving module, configured to save the response message carrying The one or more IPv6 transition technology types and the one or more pre-configured parameter sets corresponding to the one or more IPv6 transition technology types.
  • the apparatus further includes: a first determining module, configured to determine, by the network side server, the one corresponding to the one or more IPv6 transition technology types and/or the one or more IPv6 transition technology types Updating the set of one or more pre-configured parameters; updating the module, the one of the ones corresponding to the one or more IPv6 transition technology types and/or the one or more IPv6 transition technology types Or a variety of pre-configured parameter sets to update.
  • a client device is provided, comprising the device of any of the above.
  • an IPv6 transition technology type processing apparatus including: a second receiving module, configured to receive a request for an IPv6 transition sent by a client device in an unknown IPv6 transition technology type a request packet of the technical type; the second sending module is configured to send a response packet to the client device according to the request packet, where the response packet carries one or more IPv6 transitions allocated A type of technology, and one or more sets of pre-configured parameters corresponding to the one or more IPv6 transition technology types.
  • the apparatus further includes: an obtaining module, configured to acquire the one or more IPv6 transition technology types and one or more corresponding to the one or more IPv6 transition technology types by using one of the following manners: Pre a set of configuration parameters: a locally configured manner, a server device from the one or more pre-configured parameter sets that have the one or more IPv6 transition technology types and the one or more IPv6 transition technology types The way to get it dynamically.
  • an obtaining module configured to acquire the one or more IPv6 transition technology types and one or more corresponding to the one or more IPv6 transition technology types by using one of the following manners: Pre a set of configuration parameters: a locally configured manner, a server device from the one or more pre-configured parameter sets that have the one or more IPv6 transition technology types and the one or more IPv6 transition technology types The way to get it dynamically.
  • the apparatus further comprises: a second determining module, configured to determine the one or more types of the one or more IPv6 transition technologies and/or the one or more IPv6 transition technology types
  • the third configuration module is configured to send the updated one or more IPv6 transition technology types and/or the one or more IPv6 transition technology types to the client device.
  • the one or more sets of pre-configured parameters are provided.
  • a network side server is provided, comprising the apparatus of any of the above.
  • an IPv6 transition technology type processing system is provided, including the client device and the network side server described above.
  • the request message for requesting the IPv6 transition technology type is sent to the network side server; and the response message sent by the network side server according to the request message is received.
  • the response packet carries one or more types of IPv6 transition technologies allocated, and one or more preset parameter sets corresponding to the one or more IPv6 transition technology types, and the related information is solved.
  • the transition technology of the client device cannot be uniformly managed, thereby achieving unified and centralized management of the transition technology of the client, reducing the coupling between the network technologies, and providing a smooth transition effect for the transition of the IPv6.
  • FIG. 1 is a schematic diagram of a scenario in which a plurality of IPv6 transition technologies are supported in a network of the related art
  • FIG. 2 is a flowchart of a method 1 for processing an IPv6 transition technique according to an embodiment of the present invention
  • FIG. 3 is a flowchart according to the present invention.
  • FIG. 4 is a structural block diagram of an IPv6 transition technology type processing apparatus 1 according to an embodiment of the present invention
  • FIG. 5 is an IPv6 transition technology type processing apparatus according to an embodiment of the present invention.
  • Preferred structural block diagram 1; 6 is a block diagram of a preferred structure of an apparatus for processing IPv6 transition technology type according to an embodiment of the present invention
  • FIG. 7 is a structural block diagram of a client according to an embodiment of the present invention
  • FIG. 8 is a diagram of an IPv6 transition technology type according to an embodiment of the present invention.
  • FIG. 9 is a block diagram of a preferred structure of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention;
  • FIG. 10 is a block diagram 2 of a preferred structure of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention
  • 11 is a structural block diagram of a network side server according to an embodiment of the present invention.
  • FIG. 12 is a structural block diagram of an IPv6 transition technology type processing system according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of obtaining by a DHCPv6 method according to an embodiment of the present invention.
  • FIG. 14 is a flowchart of a method for acquiring network technical parameters by using a DHCP method according to an embodiment of the present invention;
  • FIG. 15 is another method for acquiring network technical parameters by using a DHCPv6 method according to an embodiment of the present invention; Schematic diagram of network architecture; FIG.
  • FIG. 16 is another way of passing DHCPv6 according to an embodiment of the present invention.
  • FIG. 17 is a schematic diagram of a packet format of a DHCPv4 packet carrying a network technical parameter option according to an embodiment of the present invention.
  • FIG. 18 is a network technical parameter carrying a DHCPv6 packet according to an embodiment of the present invention;
  • FIG. 19 is a flowchart of a method for acquiring a DS-Lite network technology type by a CPE according to an embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 2 is a flowchart of a method for processing an IPv6 transition technology type according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps: Step S202 And sending, in the case of the unknown IPv6 transition technology type, a request message for requesting the IPv6 transition technology type to the network side server; Step S204, receiving a response message sent by the network side server according to the request message, where The response packet carries one or more IPv6 transition technology types and one or more pre-configured parameter sets corresponding to one or more IPv6 transition technology types.
  • the client device by receiving one or more IPv6 transition technology types configured by the network side server, and one or more preset parameter sets corresponding to one or more IPv6 transition technology types
  • the IPv6 transition technology and the corresponding pre-configured parameter set are configured to the client at the same time, and the centralized management of the client device by the network side server is realized, which not only solves the problem that the related device exists in the client device.
  • the transition technology cannot solve the problem of unified management, and thus it can achieve unified and centralized management of the IPv6 transition technology types of the client, reduce the coupling between network technologies, and provide a smooth transition effect for the transition of IPv6.
  • the method further includes: saving one or more IPv6 transition technology types carried in the response packet and one corresponding to the one or more IPv6 transition technology types A collection of one or more pre-configured parameters.
  • the IPv6 transition technology type and the corresponding pre-configured parameter set are required, the IPv6 transition technology type and the corresponding pre-configured parameter set can be quickly obtained, and the IPv6 transition technology can be performed efficiently and smoothly.
  • the saved one or more The IPv6 transition technology type and one or more pre-configured parameter sets corresponding to one or more IPv6 transition technology types are updated in real time.
  • the network side server may first determine one or more types of IPv6 transition technologies and/or Or updating one or more pre-configured parameter sets corresponding to the one or more types of IPv6 transition technologies (for example, the network side server notifies the client device that the IPv6 transition technology type and the corresponding pre-configured parameters are updated), and thereafter Updating one or more pre-configured parameter sets corresponding to one or more IPv6 transition technology types and/or one or more IPv6 transition technology types.
  • the update may be an addition, modification, or deletion of an IPv6 transition technology type and/or a corresponding pre-configured parameter set.
  • the request packet for requesting the IPv6 transition technology type, and the response packet carries one or more types of IPv6 transition technologies assigned, and one or more types of IPv6 transition technologies, or
  • a variety of pre-configured parameter sets can be implemented in one of the following ways: By extending the Dynamic Host Configuration Protocol v4 The DHCPv4 option is implemented; it is implemented by extending the Dynamic Host Configuration Protocol v6 DHCPv6 option; it is implemented by extending the technical report -069 TR-069 parameter.
  • FIG. 3 is a flowchart of a method for processing an IPv6 transition technology type according to an embodiment of the present invention. As shown in FIG.
  • Step S302 After receiving an unknown IPv6 transition technology type, the client device receives Sending a request message for requesting an IPv6 transition technology type; Step S304, sending a response message to the client device according to the request message, where the response message carries one or more types of IPv6 transition technologies allocated And one or more pre-configured parameter sets corresponding to one or more IPv6 transition technology types.
  • the network side server for the network side server, one or more IPv6 transition technology types configured by the network side server to the client device, and one or more pre-configurations corresponding to one or more IPv6 transition technology types
  • the parameter set is configured to simultaneously configure the IPv6 transition technology and the corresponding pre-configured parameter set to the client in one interaction, thereby realizing centralized centralized management of the client device by the network side server, and not only solving the related technology in the client.
  • the transition technology of the device cannot be managed uniformly.
  • it can achieve unified and centralized management of the IPv6 transition technology type of the client, reduce the coupling between network technologies, and provide a smooth transition for the transition of IPv6.
  • the one or more IPv6 transition technology types and one or more types of the IPv6 transition technology type may be obtained by using one of the following methods: Pre-configured parameter set: The way the local configuration is dynamically obtained from a server device that has one or more IPv6 transition technology types and one or more pre-configured parameter sets corresponding to one or more IPv6 transition technology types. .
  • an IPv6 transition technology type processing device is also provided.
  • the device is used to implement the above embodiments and preferred embodiments, and the description thereof has been omitted.
  • FIG. 4 is a structural block diagram of an IPv6 transition technology type processing apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes a first sending module 42 and a first receiving module 44. The apparatus will be described below.
  • the first sending module 42 is configured to send a request message for requesting the IPv6 transition technology type to the network side server in the case of the unknown IPv6 transition technology type; the first receiving module 44 is connected to the first sending module 42, The response packet sent by the network side server according to the request packet is received, where the response packet carries one or more types of IPv6 transition technologies and one or more types of IPv6 transition technologies. A collection of one or more pre-configured parameters.
  • FIG. 5 is a block diagram of a preferred structure of an IPv6 transition technology type processing apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes a save module 52 in addition to all the modules shown in FIG. This save module 52 will be described.
  • the saving module 52 is connected to the first receiving module 44, and is configured to save one or more IPv6 transition technology types carried in the response packet and one or more pre-configurations corresponding to one or more IPv6 transition technology types.
  • a collection of parameters. 6 is a block diagram 2 of a preferred structure of an IPv6 transition technology type processing apparatus according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes a first determining module 62 and an update, in addition to all the modules shown in FIG. Module 64, the device will be described below.
  • the first determining module 62 is connected to the foregoing saving module 52, and is configured to determine that the network side server performs one or more pre-configurations corresponding to one or more IPv6 transition technology types and/or one or more IPv6 transition technology types.
  • the parameter set is updated;
  • the update module 64 is coupled to the first determining module 62, and is configured to one or more types corresponding to one or more IPv6 transition technology types and/or one or more IPv6 transition technology types.
  • the configuration parameter set is updated.
  • FIG. 7 is a structural block diagram of a client according to an embodiment of the present invention. As shown in FIG. 7, the client device 70 includes the IPv6 transition technology type processing device 72 of any of the above.
  • FIG. 7 is a structural block diagram of a client according to an embodiment of the present invention. As shown in FIG. 7, the client device 70 includes the IPv6 transition technology type processing device 72 of any of the above.
  • FIG. 7 is a structural block diagram of a client according to an embodiment of the present
  • FIG. 8 is a structural block diagram of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention.
  • the structure includes a second receiving module 82 and a second transmitting module 84.
  • the second receiving module 82 is configured to receive a request message for requesting an IPv6 transition technology type, where the client device is in an unknown IPv6 transition technology type, and a second sending module 84, connected to the second
  • the receiving module 82 is configured to send a response packet to the client device according to the request packet, where the response packet carries one or more types of IPv6 transition technologies and one or more types of IPv6 transition technologies.
  • FIG. 9 is a block diagram of a preferred structure of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention.
  • the structure includes an acquisition module 92, in addition to all the structures shown in FIG.
  • the acquisition module 92 is described.
  • the obtaining module 92 is connected to the foregoing second receiving module 82 and the second sending module 84, and is configured to obtain one or more IPv6 transition technology types and one corresponding to one or more IPv6 transition technology types in one of the following manners.
  • a set of pre-configured parameters a locally configured manner, a server device dynamic from one or more pre-configured parameter sets that have one or more IPv6 transition technology types and one or more IPv6 transition technology types The way to get it.
  • FIG. 9 is a block diagram of a preferred structure of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention.
  • the structure includes an acquisition module 92, in addition to all the structures shown in FIG.
  • the acquisition module 92 is described.
  • FIG. 10 is a block diagram of a preferred structure of an IPv6 transition technology type processing apparatus 2 according to an embodiment of the present invention.
  • the structure includes a second determining module 102 and a The three transmitting module 104 will be described below.
  • the second determining module 102 is connected to the foregoing second sending module 84, and configured to determine one or more IPv6 transition technology types and/or one or more preconfigured parameter sets corresponding to one or more IPv6 transition technology types.
  • the third sending module 104 is connected to the second determining module 102, and configured to send the updated one or more IPv6 transition technology types and/or one or more IPv6 transition technology types to the client device.
  • One or more sets of preconfigured parameters are examples of preconfigured parameters.
  • FIG. 11 is a structural block diagram of a network side server according to an embodiment of the present invention.
  • the network side server 112 includes the IPv6 transition technology type processing device 2 114 of any of the above.
  • FIG. 12 is a structural block diagram of an IPv6 transition technology type processing system according to an embodiment of the present invention.
  • the IPv6 transition technology type processing system 122 includes the above-described client device 72 and network side server 112.
  • the dynamic host configuration protocol Dynamic Host Configuration Protocol (DHCP) server behavior is moderately extended, and the DHCP option is extended to carry the type options and transition technology pre-configuration parameters of the IPv6 transition technology.
  • DHCP Dynamic Host Configuration Protocol
  • the collection option is passed to the client device (for example, the client premises equipment CPE), and the unified management and configuration of the user transition technology type and the transition technology pre-configuration parameter set on the BNAS is completed, thereby avoiding the recognition transition technology through the passive receiving configuration on the CPE.
  • the client device for example, the client premises equipment CPE
  • the unified management and configuration of the user transition technology type and the transition technology pre-configuration parameter set on the BNAS is completed, thereby avoiding the recognition transition technology through the passive receiving configuration on the CPE.
  • Algorithm if the carrier network supports two or more transition technologies at the same time, the delivery configuration of the two or more transition technologies may be implemented by using the embodiment of the present invention.
  • a solution for acquiring network technical parameters is provided to solve the problem that the central control device uniformly manages the customer premises equipment (CPE) in the transition process from the IPv4 to the IPv6, and flexibly controls the client premises.
  • CPE customer premises equipment
  • the type of network technology used by the device CPE reduces the coupling of network technologies and makes maintenance uniform and simple.
  • the solution for obtaining the network technical parameters includes: In the case of the unknown IPv6 transition technology type, the client premises equipment CPE initiates a request message carrying the request transition technology type to the network side server device, and the network side server device receives the request report. And responding to the packet, the response packet carries the assigned transition technology type and the pre-configured parameter set corresponding to the transition technology type. After the client premises equipment CPE receives the response packet sent by the network side server, the CPE reserves the assigned transition technology type in the packet and the pre-configured parameter set corresponding to the transition technology type.
  • the request-response interaction process can be implemented by extending the DHCPv4 option, or by extending the DHCPv6 option, or by extending the TR-069 protocol.
  • the response packet may carry a transition technology type
  • the corresponding pre-configured parameter set may also carry a corresponding pre-configured parameter set; in addition, the response packet may also carry multiple transition technology types.
  • the corresponding pre-configured parameter set may also carry a corresponding number of pre-configured parameter sets.
  • the client premises equipment CPE receives one-to-one storage of each transition technology type corresponding to the corresponding pre-configured parameter set when the network-side server sends a plurality of transition technology types and a plurality of pre-configured parameter sets.
  • the transition technology type may include one of the following: Light dual-stack DS-Lite technology, Lightweight IPv4 overlay IPv6 Lightweight4over6 technology, MAP-E technology, MAP-T technology, Public 4over6 technology, 6RD technology, 4RD technology, NAT44, NAT64, IVI, PCP, 6PE, 6VPE, etc.; when the transition technology type or/and the pre-configured parameter set corresponding to the transition technology type is updated or deleted, the type of transition technology saved on the client premises equipment CPE is updated or deleted accordingly or And a pre-configured parameter set corresponding to the type of the transition technology; in addition, the type of the transition technology in the network side server device response message allocation and the pre-configured parameter set corresponding to the transition technology type may be local configuration, or may be from other The server-side device with these parameters is dynamically acquired.
  • FIG. 13 is a schematic diagram of a network architecture for acquiring network technical parameters by using a DHCPv6 method according to an embodiment of the present invention.
  • the architecture includes a DHCPv6 server device and a client premises equipment CPE.
  • the BNAS serves as a DHCPv6 server device.
  • Step S1402 The client premises equipment CPE acts as a DHCPv6 client, and initiates a DHCPv6 request message carrying a transition technology type to the network side device BNAS; Step S1404, the network side device BNAS acts as The DHCPv6 server obtains the transition technology type and the pre-configured parameter set corresponding to the transition technology type, and carries the DHCPv6 response packet to the client premises equipment CPE.
  • Step S1406 the client The resident device CPE saves the transition technology type and the pre-configured parameter set corresponding to the transition technology type according to the received corresponding packet carrying the transition technology type and the pre-configured parameter set corresponding to the transition technology type.
  • the transition technology request message may be an attach request, and a new DHCPv6 option option is extended after other network configuration request options.
  • FIG. 15 is a schematic diagram of another network architecture for obtaining network technical parameters by using a DHCPv6 method according to an embodiment of the present invention. As shown in FIG. 15, the network architecture includes: a DHCPv6 server device, a DHCPv6 relay device, and a client premises equipment CPE.
  • the BNAS is a DHCPv6 relay device.
  • Step S1602 Client The CPE of the resident device acts as a DHCPv6 client, and initiates a DHCPv6 request packet carrying the transition technology type to the network side device.
  • Step S1604 The network side device BNAS acts as a DHCPv6 relay, and according to the received DHCPv6 request packet, the DHCPv6 server device is sent to the DHCPv6 server device.
  • Step S1606 The DHCPv6 server device receives the DHCPv6 request packet that is sent by the network side device BNAS and carries the transition technology type option, and obtains the transition technology type and corresponds to the Transition technology type pre-configured parameter set, carried in DHCPv6 response The packet is carried to the network side device BNAS;
  • Step S1608 The network side device BNAS acts as a relay, and receives a response message from the DHCPv6 server device, and forwards the response message to the client premises equipment CPE;
  • Step S1610 The client premises equipment CPE saves the transition technology type and the pre-configuration parameters corresponding to the transition technology type according to the received corresponding packet carrying the transition technology type and the pre-configured parameter set corresponding to the transition technology type.
  • FIG. 17 is a schematic diagram of a format of a packet carrying a network technical parameter option in a DHCPv4 message according to an embodiment of the present invention, as shown in FIG.
  • Option-code field identifies an encoding value corresponding to a network technical parameter option
  • Option-len Field identifies the length of the entire option
  • Type ID field identifies the network technology type, such as DS-Lite, Leightweight4over6, MAP-E, MAP-T, NAT64, etc.
  • different Type ID fields identify different network technology types
  • a plurality of Type ID fields a pre-configured parameter set field corresponding to the Type ID: the configuration information corresponding to the transition technology type that needs to be sent to the CPE; FIG.
  • FIG. 18 is a DHCPv6 message carrying the network technical parameter option in the DHCPv6 message according to the embodiment of the present invention
  • Step S1902 CPE is centered
  • the device BNAS initiates a DHCPv6 request carrying the request transition technology type.
  • step S1904 the BNAS acts as a DHCPv6 relay, and forwards the request message carrying the transition technology type option to the DHCPv6 server device.
  • Step S1906 The DHCPv6 server device receives The information of the pre-configured parameter set AFTR_NAME sent by the DS-Lite corresponding to the DS-Lite type is obtained from the network-side device BNAS and the DHCPv6 request packet carrying the transition technology type. The encapsulation is sent to the network side device BNAS in the option of the DHCPv6 response message.
  • the BNAS acts as a relay, and forwards the response message to the client premises equipment CPE.
  • the client premises equipment CPE receives the transition technology type.
  • the computing device may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
  • the above embodiments and preferred embodiments not only solve the problem that the transition technology of the client device cannot be uniformly managed in the related art, but also achieve centralized and centralized management of the transition technology of the client. Reduce the coupling between network technologies and provide a smooth transition for IPv6 transition.

Abstract

本发明提供了一种IPv6过渡技术类型处理方法、装置、系统、客户端设备及网络侧服务器,该方法包括:在未知IPv6过渡技术类型的情况下,向网络侧服务器发送用于请求IPv6过渡技术类型的请求报文;接收到网络侧服务器依据请求报文发送的响应报文,其中,响应报文中携带有分配的一种或多种IPv6过渡技术类型,以及一种或多种IPv6过渡技术类型对应的一种或多种预配置参数集合,通过本发明,解决了相关技术中存在对客户端设备的过渡技术不能统一管理的问题,进而达到了能够对客户端的过渡技术进行统一集中管理,减少网络技术之间的耦合性,为IPv6的过渡提供平滑过渡的效果。

Description

IPv6过渡技术类型处理方法、 装置及系统 技术领域 本发明涉及通信领域, 具体而言, 涉及一种 IPv6过渡技术类型处理方法、 装置、 系统、 客户端设备及网络侧服务器。 背景技术 随着现代技术的飞速发展, 国际互联网已经广泛应用到各个领域。 现阶段使用的 协议 IPv4已不能满足时代的发展, 其定义的 IPv4已经分配完毕, 诸多国家和地区面 临 IPv4地址短缺的问题。 新一代地址协议 IPv6取代 IPv4是必然的的趋势, 但要完成 从 IPv4到 IPv6的过渡将是一个渐进的长期的过程。 在这个过程中出现了许多中 IPv6 过渡技术类型, 主要包括:
NAT44 (Network Address Translation IPv4-IPv4, IPv4到 IPv4的网络地址转换)
NAT444 (Network Address Translation IPv4-IPv4-IPv4 , IPv4到 IPv4的双层网络地 址转换)
DS-Lite (Dual-Stack Lite, 轻型双栈) Lightweight 4over6 (轻型 IPv4叠加 IPv6双栈) Public 4over6 (通用 4over6 )
MAP-E ( Mapping of Address and Port with Encapsulation, 地址端口封装映射) MAP-T (Mapping of Address and Port with Translation) 4RD (IPv4 Residual Deployment) 6RD (IPv6 Rapid Deployment)
NAT64 (Network Address Translation IPv6-IPv4, IPv6到 IPv4的网络地址转换) 等技术类型。 在相关技术中, 对于 IPv6 技术在宽带网络中的部署是基于对 CPE ( Customer Premise Equipment 客户端驻地设备, 一般是家庭网关、 Modem 等设备) 和 BNAS (Broadband Network Access Service宽带网络接入服务器) 的配置进行的。 图 1为相关技术的网络中支持多种 IPv6过渡技术类型的场景示意图,如图 1所示, 运营商将支持 DS-Lite技术的 CPE提供给用户 A使用, 并接入支持 DS-Lite的 BNAS 设备; 过了一段时期之后, 开通新用户 B, 用户 B使用的是通用型的 CPE B, CPE B 支持各种过渡技术类型; CPE B接入网络后, 缺省时并不知道当前网络支持哪种过渡 技术类型, 故无法在选项请求选项 (Option Request Option) 中携带自己感兴趣的过渡 技术类型参数选项的类型值, 这样一来, 就无法获取当前过渡技术类型下的相应参数 信息, 导致业务失败。 在相关技术 draft-yang-v6ops-ipv6tran-select中, 通过扩展 DHCPv4禾口 /或 DHCPv6 协议, 携带 IPv6过渡技术类型选项, 主动向 DHCPv4和 /或 DHCPv6服务器端发起请 求, 请求当前客户端 CPE设备应该支持的过渡技术类型; DHCPv4和 /或 DHCPv6服 务器端在相应消息中携带该 CPE设备支持的过渡技术类型。 例如, mode 0标识携带 Dual Stack类型; mode 1标识携带 DS-Lite类型; mode 2标识携带 Lightweight 4over6 类型, 等; 但是, 该技术只下发了过渡技术类型值, 并没有下发该过渡技术类型下需 要的网络参数配置信息; 客户端和服务器端需要进一步交互, 才能完成网络参数配置 信息的下发; 一定程度上增加交互流程, 降低效率。 此外, 在相关技术 draft-ietf-softwire-map-dhcp 中, 定义了 MAP-E、 MAP-T、 Lightweight 4over6过渡技术场景下, CPE设备上如何获取预配置的 DHCPv6参数选项; 但是, 该技术是在 CPE设备预先知道自己感兴趣的过渡技术类型的前提下, 在选项请 求选项(Option Request Option) 中携带自己感兴趣的过渡技术类型对应的预配置参数 集合选项的类型值发送个 DHCPv6服务器, 从而完成感兴趣的过渡技术类型的预配置 参数集合信息配置; 对于 CPE设备上不知道自己感兴趣的过渡技术类型的前提下, 无 法获取预配置参数集合信息,而且,该草案中的场景局限于 MAP-E/MAP-T/Lightweight 4over6三种过渡技术场景中。 因此, 在相关技术中存在对客户端设备的 IPv6 过渡技术类型不能统一管理的问 题。 发明内容 本发明提供了一种 IPv6过渡技术类型处理方法、 装置、 系统、 客户端设备及网络 侧服务器, 以至少解决相关技术中存在对客户端设备的 IPv6过渡技术类型不能统一管 理的问题。 根据本发明的一个方面, 提供了一种 IPv6过渡技术类型处理方法, 包括: 在未知
IPv6过渡技术类型的情况下,向网络侧服务器发送用于请求 IPv6过渡技术类型的请求 报文; 接收到所述网络侧服务器依据所述请求报文发送的响应报文, 其中, 所述响应 报文中携带有分配的一种或多种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过渡 技术类型对应的一种或多种预配置参数集合。 优选地,在接收到所述网络侧服务器依据所述请求报文发送的所述响应报文之后, 还包括:保存所述响应报文中携带的所述一种或多种 IPv6过渡技术类型以及所述一种 或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合。 优选地,在保存所述响应报文中携带的所述一种或多种 IPv6过渡技术类型以及所 述一种或多种 IPv6 过渡技术类型对应的所述一种或多种预配置参数集合之后, 还包 括: 确定所述网络侧服务器对所述一种或多种 IPv6过渡技术类型和 /或所述一种或多 种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合发生更新;对所述一种或 多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或多 种预配置参数集合进行更新。 优选地, 用于请求 IPv6过渡技术类型的所述请求报文, 和所述响应报文中携带有 分配的所述一种或多种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过渡技术类型 对应的所述一种或多种预配置参数集合通过以下方式之一实现: 通过扩展动态主机配 置协议 v4 DHCPv4选项实现; 通过扩展动态主机配置协议 v6 DHCPv6选项实现; 通 过扩展技术报告 -069 TR-069参数实现。 根据本发明的另一方面, 提供了一种 IPv6过渡技术类型处理方法, 包括: 接收到 客户端设备在未知 IPv6过渡技术类型的情况下, 发送的用于请求 IPv6过渡技术类型 的请求报文; 依据所述请求报文向所述客户端设备发送响应报文, 其中, 所述响应报 文中携带有分配的一种或多种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过渡技 术类型对应的一种或多种预配置参数集合。 优选地,在依据所述请求报文向所述客户端设备发送所述响应报文之前,还包括: 通过以下方式之一获取所述一种或多种 IPv6过渡技术类型,以及所述一种或多种 IPv6 过渡技术类型对应的一种或多种预配置参数集合: 本地配置的方式、 从拥有所述一种 或多种 IPv6过渡技术类型以及所述一种或多种 IPv6过渡技术类型对应的所述一种或 多种预配置参数集合的服务器设备动态获取的方式。 优选地,在依据所述请求报文向所述客户端设备发送所述响应报文之后,还包括: 确定所述一种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应 的所述一种或多种预配置参数集合发生更新; 向所述客户端设备发送更新后的所述一 种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种 或多种预配置参数集合。 根据本发明的另一方面, 提供了一种 IPv6过渡技术类型处理装置, 包括: 第一发 送模块, 设置为在未知 IPv6 过渡技术类型的情况下, 向网络侧服务器发送用于请求 IPv6过渡技术类型的请求报文; 第一接收模块, 设置为接收到所述网络侧服务器依据 所述请求报文发送的响应报文, 其中, 所述响应报文中携带有分配的一种或多种 IPv6 过渡技术类型, 以及所述一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数 鱼朱 A n 优选地, 该装置还包括: 保存模块, 设置为保存所述响应报文中携带的所述一种 或多种 IPv6过渡技术类型以及所述一种或多种 IPv6过渡技术类型对应的所述一种或 多种预配置参数集合。 优选地, 该装置还包括: 第一确定模块, 设置为确定所述网络侧服务器对所述一 种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种 或多种预配置参数集合发生更新; 更新模块, 设置为对所述一种或多种 IPv6过渡技术 类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合 进行更新。 根据本发明的还一方面, 提供了一种客户端设备, 包括上述任一项所述的装置。 根据本发明的再一方面, 提供了一种 IPv6过渡技术类型处理装置, 包括: 第二接 收模块, 设置为接收到客户端设备在未知 IPv6过渡技术类型的情况下, 发送的用于请 求 IPv6过渡技术类型的请求报文; 第二发送模块, 设置为依据所述请求报文向所述客 户端设备发送响应报文, 其中, 所述响应报文中携带有分配的一种或多种 IPv6过渡技 术类型, 以及所述一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合。 优选地, 该装置还包括: 获取模块, 设置为通过以下方式之一获取所述一种或多 种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过渡技术类型对应的一种或多种预 配置参数集合: 本地配置的方式、从拥有所述一种或多种 IPv6过渡技术类型以及所述 一种或多种 IPv6 过渡技术类型对应的所述一种或多种预配置参数集合的服务器设备 动态获取的方式。 优选地, 该装置还包括: 第二确定模块, 设置为确定所述一种或多种 IPv6过渡技 术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集 合发生更新; 第三发送模块, 设置为向所述客户端设备发送更新后的所述一种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或多种预 配置参数集合。 根据本发明的又一方面,提供了一种网络侧服务器,包括上述任一项所述的装置。 根据本发明的还一方面, 提供了一种 IPv6过渡技术类型处理系统, 包括上述所述 的客户端设备以及网络侧服务器。 通过本发明, 采用在未知 IPv6过渡技术类型的情况下, 向网络侧服务器发送用于 请求 IPv6过渡技术类型的请求报文;接收到所述网络侧服务器依据所述请求报文发送 的响应报文, 其中, 所述响应报文中携带有分配的一种或多种 IPv6过渡技术类型, 以 及所述一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合,解决了相关 技术中存在对客户端设备的过渡技术不能统一管理的问题, 进而达到了能够对客户端 的过渡技术进行统一集中管理, 减少网络技术之间的耦合性, 为 IPv6的过渡提供平滑 过渡的效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1为相关技术的网络中支持多种 IPv6过渡技术类型的场景示意图; 图 2是根据本发明实施例的 IPv6过渡技术类型处理方法一的流程图; 图 3是根据本发明实施例的 IPv6过渡技术类型处理方法二的流程图; 图 4是根据本发明实施例的 IPv6过渡技术类型处理装置一的结构框图; 图 5是根据本发明实施例的 IPv6过渡技术类型处理装置一的优选结构框图一; 图 6是根据本发明实施例的 IPv6过渡技术类型处理装置一的优选结构框图二; 图 7是根据本发明实施例的客户端的结构框图; 图 8是根据本发明实施例的 IPv6过渡技术类型处理装置二的结构框图; 图 9是根据本发明实施例的 IPv6过渡技术类型处理装置二的优选结构框图一; 图 10是根据本发明实施例的 IPv6过渡技术类型处理装置二的优选结构框图二; 图 11是根据本发明实施例的网络侧服务器的结构框图; 图 12是根据本发明实施例的 IPv6过渡技术类型处理系统的结构框图; 图 13是根据本发明实施例的一种通过 DHCPv6方式获取网络技术参数的网络架 构示意图; 图 14是根据本发明实施例的一种通过 DHCP方式获取网络技术参数的方法流程 图; 图 15是根据本发明实施例的另一种通过 DHCPv6方式获取网络技术参数的网络 架构示意图; 图 16是根据本发明实施例的另一种通过 DHCPv6方式获取网络技术参数的方法 流程图; 图 17是根据本发明实施例的 DHCPv4报文中携带网络技术参数选项的报文格式 示意图; 图 18是根据本发明实施例的 DHCPv6报文中携带网络技术参数选项的报文格式 示意图; 图 19是根据本发明实施例的 CPE获取 DS-Lite网络技术类型方法的流程图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 在本实施例中提供了一种 IPv6过渡技术类型处理方法,图 2是根据本发明实施例 的 IPv6过渡技术类型处理方法一的流程图, 如图 2所示, 该流程包括如下步骤: 步骤 S202, 在未知 IPv6过渡技术类型的情况下, 向网络侧服务器发送用于请求 IPv6过渡技术类型的请求报文; 步骤 S204, 接收到网络侧服务器依据该请求报文发送的响应报文, 其中, 该响应 报文中携带有分配的一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术 类型对应的一种或多种预配置参数集合。 通过上述步骤, 对于客户端设备而言, 通过接收到网络侧服务器配置的一种或多 种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应的一种或多种预配置 参数集合,在一次交互中同时向客户端配置了 IPv6过渡技术以及对应的预配置参数集 合, 实现了由网络侧服务器来对客户端设备的集中统一管理, 不仅解决了相关技术中 存在对客户端设备的过渡技术不能统一管理的问题, 进而达到了能够对客户端的 IPv6 过渡技术类型进行统一集中管理, 减少网络技术之间的耦合性, 为 IPv6的过渡提供平 滑过渡的效果。 在接收到网络侧服务器依据请求报文发送的响应报文之后, 还包括: 保存响应报 文中携带的一种或多种 IPv6过渡技术类型以及该一种或多种 IPv6过渡技术类型对应 的一种或多种预配置参数集合。以备在需要该 IPv6过渡技术类型以及对应预配置参数 集合的情况下, 可以快速地获取该 IPv6过渡技术类型以及对应的预配置参数集合, 进 行高效平滑地进行 IPv6过渡技术。 在保存响应报文中携带的一种或多种 IPv6过渡技术类型以及一种或多种 IPv6过 渡技术类型对应的一种或多种预配置参数集合之后, 还可以对保存的该一种或多种 IPv6过渡技术类型以及一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数 集合进行实时更新, 例如, 可以先确定网络侧服务器对一种或多种 IPv6过渡技术类型 和 /或该一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合发生更新 (例 如, 由网络侧服务器通知客户端设备 IPv6 过渡技术类型及对应的预配置参数发生更 新),之后对该一种或多种 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应 的一种或多种预配置参数集合进行更新。需要说明的是, 该更新可以是对 IPv6过渡技 术类型和 /或对应的预配置参数集合的增加、 修改或者删除。 其中, 用于请求 IPv6过渡技术类型的该请求报文, 和该响应报文中携带有分配的 一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应的一种或多 种预配置参数集合可以通过以下方式之一实现: 通过扩展动态主机配置协议 v4 DHCPv4选项实现; 通过扩展动态主机配置协议 v6 DHCPv6选项实现; 通过扩展技术 报告 -069 TR-069参数实现。 图 3是根据本发明实施例的 IPv6过渡技术类型处理方法二的流程图,如图 3所示, 该流程包括如下步骤: 步骤 S302, 接收到客户端设备在未知 IPv6过渡技术类型的情况下, 发送的用于 请求 IPv6过渡技术类型的请求报文; 步骤 S304, 依据请求报文向客户端设备发送响应报文, 其中, 该响应报文中携带 有分配的一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应的 一种或多种预配置参数集合。 通过上述步骤, 对于网络侧服务器而言, 通过网络侧服务器向客户端设备配置的 一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应的一种或多 种预配置参数集合,在一次交互中同时向客户端配置了 IPv6过渡技术以及对应的预配 置参数集合, 实现了由网络侧服务器来对客户端设备的集中统一管理, 不仅解决了相 关技术中存在对客户端设备的过渡技术不能统一管理的问题, 进而达到了能够对客户 端的 IPv6过渡技术类型进行统一集中管理, 减少网络技术之间的耦合性, 为 IPv6的 过渡提供平滑过渡的效果。 其中, 在依据请求报文向客户端设备发送响应报文之前, 可以通过以下方式之一 获取一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应的一种 或多种预配置参数集合: 本地配置的方式、从拥有一种或多种 IPv6过渡技术类型以及 一种或多种 IPv6 过渡技术类型对应的一种或多种预配置参数集合的服务器设备动态 获取的方式。 优选地, 为保证 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一 种或多种预配置参数集合为最新状态, 在依据请求报文向客户端设备发送响应报文之 后, 还可以确定一种或多种 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对 应的一种或多种预配置参数集合发生更新; 向客户端设备发送更新后的一种或多种 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数 鱼朱 A n 在本实施例中还提供了一种 IPv6过渡技术类型处理装置,该装置用于实现上述实 施例及优选实施方式, 已经进行过说明的不再赘述。 如以下所使用的, 术语 "模块" 可以实现预定功能的软件和 /或硬件的组合。尽管以下实施例所描述的装置较佳地以软 件来实现, 但是硬件, 或者软件和硬件的组合的实现也是可能并被构想的。 图 4是根据本发明实施例的 IPv6过渡技术类型处理装置一的结构框图,如图 4所 示, 该装置包括第一发送模块 42和第一接收模块 44, 下面对该装置进行说明。 第一发送模块 42, 设置为在未知 IPv6过渡技术类型的情况下, 向网络侧服务器 发送用于请求 IPv6过渡技术类型的请求报文; 第一接收模块 44, 连接至上述第一发 送模块 42, 设置为接收到网络侧服务器依据请求报文发送的响应报文, 其中, 响应报 文中携带有分配的一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类 型对应的一种或多种预配置参数集合。 图 5是根据本发明实施例的 IPv6过渡技术类型处理装置一的优选结构框图一,如 图 5所示, 该装置除包括图 4所示的所有模块外, 还包括保存模块 52, 下面对该保存 模块 52进行说明。 保存模块 52,连接至上述第一接收模块 44,设置为保存响应报文中携带的一种或 多种 IPv6过渡技术类型以及一种或多种 IPv6过渡技术类型对应的一种或多种预配置 参数集合。 图 6是根据本发明实施例的 IPv6过渡技术类型处理装置一的优选结构框图二,如 图 6所示, 该装置除包括图 5所示的所有模块外,还包括第一确定模块 62和更新模块 64, 下面对该装置进行说明。 第一确定模块 62,连接至上述保存模块 52,设置为确定网络侧服务器对一种或多 种 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一种或多种预配置参 数集合发生更新;更新模块 64,连接至上述第一确定模块 62,设置为对一种或多种 IPv6 过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合 进行更新。 图 7是根据本发明实施例的客户端的结构框图, 如图 7所示, 该客户端设备 70 包括上述任一项的 IPv6过渡技术类型处理装置一 72。 图 8是根据本发明实施例的 IPv6过渡技术类型处理装置二的结构框图,如图 8所 示, 该结构包括第二接收模块 82和第二发送模块 84, 下面对该结构进行说明。 第二接收模块 82, 设置为接收到客户端设备在未知 IPv6过渡技术类型的情况下, 发送的用于请求 IPv6过渡技术类型的请求报文; 第二发送模块 84, 连接至上述第二 接收模块 82, 设置为依据请求报文向客户端设备发送响应报文, 其中, 响应报文中携 带有分配的一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对应 的一种或多种预配置参数集合。 图 9是根据本发明实施例的 IPv6过渡技术类型处理装置二的优选结构框图一,如 图 9所示, 该结构除包括图 8所示的所有结构外, 还包括获取模块 92, 下面对该获取 模块 92进行说明。 获取模块 92, 连接至上述第二接收模块 82和第二发送模块 84, 设置为通过以下 方式之一获取一种或多种 IPv6过渡技术类型, 以及一种或多种 IPv6过渡技术类型对 应的一种或多种预配置参数集合: 本地配置的方式、从拥有一种或多种 IPv6过渡技术 类型以及一种或多种 IPv6 过渡技术类型对应的一种或多种预配置参数集合的服务器 设备动态获取的方式。 图 10是根据本发明实施例的 IPv6过渡技术类型处理装置二的优选结构框图二, 如图 10所示, 该结构除包括图 8所示的所有结构外,还包括第二确定模块 102和第三 发送模块 104, 下面对该装置进行说明。 第二确定模块 102, 连接至上述第二发送模块 84, 设置为确定一种或多种 IPv6过 渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合发 生更新; 第三发送模块 104, 连接至上述第二确定模块 102, 设置为向客户端设备发送 更新后的一种或多种 IPv6过渡技术类型和 /或一种或多种 IPv6过渡技术类型对应的一 种或多种预配置参数集合。 图 11是根据本发明实施例的网络侧服务器的结构框图, 如图 11所示, 该网络侧 服务器 112包括上述任一项的 IPv6过渡技术类型处理装置二 114。 图 12是根据本发明实施例的 IPv6过渡技术类型处理系统的结构框图,如图 12所 示,该 IPv6过渡技术类型处理系统 122包括上述的客户端设备 72和网络侧服务器 112。 通过组合相关技术中的上述两种技术,适度扩展动态主机配置协议(Dynamic Host Configuration Protocol, 简称为 DHCP)服务器端行为, 并通过扩展 DHCP选项, 携带 IPv6过渡技术的类型选项和过渡技术预配置参数集合选项传递给客户端设备 (例如, 客户端驻地设备 CPE), 完成 BNAS上对用户过渡技术类型和过渡技术预配置参数集 合的统一管理和配置, 避免了 CPE上通过被动接收配置进行识别过渡技术的算法。此 夕卜, 如果运营商网络同时支持两种或多种过渡技术, 也可以通过本发明实施例实现两 种或多种过渡技术的下发配置。 在本实施例中, 提供了一种获取网络技术参数的方案, 以解决 IPv4向 IPv6过渡 进程中由中央控制设备统一管理客户端驻地设备 (Customer Premise Equipment, 简称 为 CPE), 灵活控制客户端驻地设备 CPE使用的网络技术类型, 减少网络技术的耦合 性, 得维护变得统一简单。 该获取网络技术参数的方案包括: 在未知 IPv6过渡技术类 型的情况下,客户端驻地设备 CPE向网络侧服务器设备发起携带有请求过渡技术类型 的请求报文, 网络侧服务器设备接收到该请求报文, 响应该报文, 响应报文中携带分 配的过渡技术类型以及对应于该过渡技术类型的预配置参数集合。 其中,在客户端驻地设备 CPE接收到来自于网络侧服务器端发送的响应报文之后, 保存报文中的分配的过渡技术类型以及对应于该过渡技术类型的预配置参数集合。 需 要说明的是, 该请求-响应交互过程可以通过扩展 DHCPv4 选项实现, 或通过扩展 DHCPv6选项实现, 或通过扩展 TR-069协议实现。 另夕卜, 该响应报文中可以携带一种 过渡技术类型,对应的预配置参数集合也可以携带一种相应的预配置参数集合;此外, 该响应报文中还可以携带多种过渡技术类型, 对应的预配置参数集合也可以携带相应 数量的预配置参数集合。 客户端驻地设备 CPE接收到来自于网络侧服务器端发送的携带有多种过渡技术类 型以及多种预配置参数集合时, 进行每种过渡技术类型对应相应预配置参数集合的一 对一保存; 其中, 该过渡技术类型可以包括以下之一: 轻型双栈 DS-Lite技术、 轻型 IPv4叠加 IPv6 Lightweight4over6技术、 MAP-E技术、 MAP-T技术、 Public 4over6技 术、 6RD技术、 4RD技术、 NAT44、 NAT64、 IVI、 PCP、 6PE、 6VPE等; 在过渡技术类型或 /和对应于该过渡技术类型的预配置参数集合发生更新或删除 时, 相应地更新或删除客户端驻地设备 CPE上保存的过渡技术类型或 /和对应于该过 渡技术类型的预配置参数集合; 另外, 网络侧服务器设备响应报文分配中的过渡技术 类型以及对应于该过渡技术类型的预配置参数集合可以是本地配置, 也可以从其他拥 有这些参数的服务器端设备动态获取。 通过上述技术方案, 即通过服务器端设备统一控制客户端驻地设备 CPE, 统一管 理和下发各种 IPv6过渡技术, 规范化客户端驻地设备的功能, 提供了通用的客户端驻 地设备 CPE并实现了集中管制, 减小各网络技术之间的耦合性, 为 IPv6的过渡提供 平滑机制。 下面结合附图对本发明优选实施方式进行说明。 图 13是根据本发明实施例的一种通过 DHCPv6方式获取网络技术参数的网络架 构示意图, 如图 13所示, 该架构包括 DHCPv6服务器设备和客户端驻地设备 CPE, 其中, BNAS作为 DHCPv6服务器设备, 图 14是根据本发明实施例的一种通过 DHCP 方式获取网络技术参数的方法流程图。 如图 14所示, 该流程包括如下步骤: 步骤 S1402, 客户端驻地设备 CPE作为 DHCPv6客户端, 向网络侧设备 BNAS发 起携带有过渡技术类型的 DHCPv6请求报文; 步骤 S1404, 网络侧设备 BNAS作为 DHCPv6服务器, 根据接收到的 DHCPv6请 求报文, 获取过渡技术类型以及对应于该过渡技术类型的预配置参数集合, 携带在 DHCPv6响应报文携带中发送给客户端驻地设备 CPE; 步骤 S1406, 客户端驻地设备 CPE根据接收到的携带有过渡技术类型以及对应于 该过渡技术类型的预配置参数集合的相应报文, 保存该过渡技术类型以及对应于该过 渡技术类型的预配置参数集合。 其中,上述过渡技术请求报文可以为附着请求,扩展一个新的 DHCPv6选项 option 附着在其他网络配置请求选项之后。 图 15是根据本发明实施例的另一种通过 DHCPv6方式获取网络技术参数的网络 架构示意图, 如图 15所示, 该网络架构包括: DHCPv6服务器设备、 DHCPv6中继设 备和客户端驻地设备 CPE, 其中, BNAS作为 DHCPv6中继设备, 图 16是根据本发 明实施例的另一种通过 DHCPv6方式获取网络技术参数的方法流程图, 如图 16所示, 该流程包括如下步骤: 步骤 S1602, 客户端驻地设备 CPE作为 DHCPv6客户端, 向网络侧设备发起携带 有过渡技术类型的 DHCPv6请求报文; 步骤 S1604: 网络侧设备 BNAS作为 DHCPv6中继, 根据接收到的 DHCPv6请求 报文, 向 DHCPv6服务器端设备转发该携带有过渡技术类型选项的请求报文; 步骤 S1606: DHCPv6服务器端设备接收到来自于网络侧设备 BNAS发送的携带 有过渡技术类型选项的 DHCPv6请求报文, 获取过渡技术类型以及对应于该过渡技术 类型的预配置参数集合, 携带在 DHCPv6响应报文携带中发送给网络侧设备 BNAS; 步骤 S1608: 网络侧设备 BNAS作为中继, 接收到来自于 DHCPv6服务器端设备 的响应报文, 转发给客户端驻地设备 CPE; 步骤 S1610, 客户端驻地设备 CPE根据接收到的携带有过渡技术类型以及对应于 该过渡技术类型的预配置参数集合的相应报文, 保存该过渡技术类型以及对应于该过 渡技术类型的预配置参数集合。 其中, 该过渡技术请求报文为附着请求, 扩展一个新的 DHCPv6选项 option附着 在其他网络配置请求选项之后。 图 17是根据本发明实施例的 DHCPv4报文中携带网络技术参数选项的报文格式 示意图, 如图 17所示, 其中, Option-code字段: 标识网络技术参数选项对应的编码 值; Option-len字段: 标识整个选项的长度; Type ID字段: 标识网络技术类型, 比如 DS-Lite、 Leightweight4over6、 MAP-E、 MAP-T、 NAT64等等; 不同的 Type ID字段标 识不同的网络技术类型; 可以携带多个 Type ID字段; Type ID对应的预配置参数集合 字段: 标识对应于过渡技术类型需要下发给 CPE的配置信息; 图 18是根据本发明实施例的 DHCPv6报文中携带网络技术参数选项的报文格式 示意图, 如图 18所示, 其中, Option-code字段: 标识网络技术参数选项对应的编码 值; Option-len字段: 标识整个选项的长度; Type ID字段: 标识网络技术类型, 比如 DS-Lite、 Leightweight4over6、 MAP-E、 MAP-T、 NAT64等等; 不同的 Type ID字段标 识不同的网络技术类型; 可以携带多个 Type ID字段; Type ID对应的预配置参数集合 字段: 标识对应于过渡技术类型需要下发给 CPE的配置信息。 图 19是根据本发明实施例的 CPE获取 DS-Lite网络技术类型方法的流程图,如图 19所示, BNAS设备中继设备, 完成该请求过程可以包括以下处理步骤: 步骤 S1902, CPE向中继设备 BNAS发起携带有请求过渡技术类型的 DHCPv6请 求; 步骤 S1904, BNAS作为 DHCPv6中继, 向 DHCPv6服务器端设备转发该携带有 过渡技术类型选项的请求报文; 步骤 S1906, DHCPv6服务器端设备接收到来自于网络侧设备 BNAS发送的携带 有过渡技术类型选项的 DHCPv6请求报文,获取该用户对应的过渡技术类型为 DS-Lite 类型以及对应于 DS-Lite技术需要下发的预配置参数集合 AFTR_NAME信息, 封装在 DHCPv6响应报文的选项中发送给网络侧设备 BNAS; 步骤 S1908, BNAS作为中继, 转发该响应报文给客户端驻地设备 CPE; 客户端 驻地设备 CPE接收到的携带有过渡技术类型 DS-Lite以及对应于 DS-Lite技术需要下 发的预配置参数集合 AFTR_NAME信息的 DHCPv6相应报文, 提出配置信息进行保 存, 并建立相应的 DS-Lite隧道。 需要说明的是, 上述实施例及优选实施方式只是该发明内容的一个具体说明, 同 时该技术方案也可以应用在其他各种应用场景中: Lightweight4over6、MAP-E、MAP-T、 6RD等场景中, 这里不再一一赘述。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 并且在某些情况下, 可以以不同于此处 的顺序执行所示出或描述的步骤, 或者将它们分别制作成各个集成电路模块, 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任 何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 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。 工业实用性 如上所述, 通过上述实施例及优选实施方式, 不仅解决了相关技术中存在对客户 端设备的过渡技术不能统一管理的问题, 进而达到了能够对客户端的过渡技术进行统 一集中管理, 减少网络技术之间的耦合性, 为 IPv6的过渡提供平滑过渡的效果。

Claims

权 利 要 求 书
1. 一种 IPv6过渡技术类型处理方法, 包括: 在未知 IPv6过渡技术类型的情况下, 向网络侧服务器发送用于请求 IPv6 过渡技术类型的请求报文;
接收到所述网络侧服务器依据所述请求报文发送的响应报文, 其中, 所述 响应报文中携带有分配的一种或多种 IPv6过渡技术类型,以及所述一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合。
2. 根据权利要求 1所述的方法, 其中, 在接收到所述网络侧服务器依据所述请求 报文发送的所述响应报文之后, 还包括:
保存所述响应报文中携带的所述一种或多种 IPv6 过渡技术类型以及所述 一种或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合。
3. 根据权利要求 2所述的方法, 其中, 在保存所述响应报文中携带的所述一种或 多种 IPv6过渡技术类型以及所述一种或多种 IPv6过渡技术类型对应的所述一 种或多种预配置参数集合之后, 还包括:
确定所述网络侧服务器对所述一种或多种 IPv6过渡技术类型和 /或所述一 种或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合发生更新; 对所述一种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术 类型对应的所述一种或多种预配置参数集合进行更新。
4. 根据权利要求 1所述的方法, 其中, 用于请求 IPv6过渡技术类型的所述请求报 文, 和所述响应报文中携带有分配的所述一种或多种 IPv6过渡技术类型, 以及 所述一种或多种 IPv6 过渡技术类型对应的所述一种或多种预配置参数集合通 过以下方式之一实现:
通过扩展动态主机配置协议 v4 DHCPv4选项实现;
通过扩展动态主机配置协议 v6 DHCPv6选项实现;
通过扩展技术报告 -069 TR-069参数实现。 一种 IPv6过渡技术类型处理方法, 包括: 接收到客户端设备在未知 IPv6 过渡技术类型的情况下, 发送的用于请求 IPv6过渡技术类型的请求报文; 依据所述请求报文向所述客户端设备发送响应报文, 其中, 所述响应报文 中携带有分配的一种或多种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过 渡技术类型对应的一种或多种预配置参数集合。 根据权利要求 5所述的方法, 其中, 在依据所述请求报文向所述客户端设备发 送所述响应报文之前, 还包括:
通过以下方式之一获取所述一种或多种 IPv6过渡技术类型,以及所述一种 或多种 IPv6 过渡技术类型对应的一种或多种预配置参数集合: 本地配置的方 式、 从拥有所述一种或多种 IPv6过渡技术类型以及所述一种或多种 IPv6过渡 技术类型对应的所述一种或多种预配置参数集合的服务器设备动态获取的方 式。 根据权利要求 5所述的方法, 其中, 在依据所述请求报文向所述客户端设备发 送所述响应报文之后, 还包括:
确定所述一种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技 术类型对应的所述一种或多种预配置参数集合发生更新; 向所述客户端设备发送更新后的所述一种或多种 IPv6过渡技术类型和 /或 所述一种或多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合。 一种 IPv6过渡技术类型处理装置, 包括: 第一发送模块, 设置为在未知 IPv6过渡技术类型的情况下, 向网络侧服务 器发送用于请求 IPv6过渡技术类型的请求报文; 第一接收模块, 设置为接收到所述网络侧服务器依据所述请求报文发送的 响应报文,其中,所述响应报文中携带有分配的一种或多种 IPv6过渡技术类型, 以及所述一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合。 根据权利要求 8所述的装置, 其中, 还包括: 保存模块,设置为保存所述响应报文中携带的所述一种或多种 IPv6过渡技 术类型以及所述一种或多种 IPv6 过渡技术类型对应的所述一种或多种预配置 参数集合。 根据权利要求 9所述的装置, 其中, 还包括: 第一确定模块,设置为确定所述网络侧服务器对所述一种或多种 IPv6过渡 技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或多种预配 置参数集合发生更新;
更新模块, 设置为对所述一种或多种 IPv6过渡技术类型和 /或所述一种或 多种 IPv6过渡技术类型对应的所述一种或多种预配置参数集合进行更新。
11. 一种客户端设备, 包括权利要求 8至 10中任一项所述的装置。
12. 一种 IPv6过渡技术类型处理装置, 包括: 第二接收模块,设置为接收到客户端设备在未知 IPv6过渡技术类型的情况 下, 发送的用于请求 IPv6过渡技术类型的请求报文; 第二发送模块,设置为依据所述请求报文向所述客户端设备发送响应报文, 其中, 所述响应报文中携带有分配的一种或多种 IPv6过渡技术类型, 以及所述 一种或多种 IPv6过渡技术类型对应的一种或多种预配置参数集合。
13. 根据权利要求 12所述的装置, 其中, 还包括: 获取模块,设置为通过以下方式之一获取所述一种或多种 IPv6过渡技术类 型, 以及所述一种或多种 IPv6 过渡技术类型对应的一种或多种预配置参数集 合: 本地配置的方式、从拥有所述一种或多种 IPv6过渡技术类型以及所述一种 或多种 IPv6 过渡技术类型对应的所述一种或多种预配置参数集合的服务器设 备动态获取的方式。
14. 根据权利要求 12所述的装置, 其中, 还包括: 第二确定模块, 设置为确定所述一种或多种 IPv6过渡技术类型和 /或所述 一种或多种 IPv6 过渡技术类型对应的所述一种或多种预配置参数集合发生更 新;
第三发送模块, 设置为向所述客户端设备发送更新后的所述一种或多种 IPv6过渡技术类型和 /或所述一种或多种 IPv6过渡技术类型对应的所述一种或 多种预配置参数集合。
15. 一种网络侧服务器, 包括权利要求 12至 14中任一项所述的装置。
16. 一种 IPv6过渡技术类型处理系统, 包括权利要求 11所述的客户端设备以及权 利要求 15所述的网络侧服务器。
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