CN106789534B - A kind of data transmission method and device based on wireless network - Google Patents
A kind of data transmission method and device based on wireless network Download PDFInfo
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- CN106789534B CN106789534B CN201611230001.0A CN201611230001A CN106789534B CN 106789534 B CN106789534 B CN 106789534B CN 201611230001 A CN201611230001 A CN 201611230001A CN 106789534 B CN106789534 B CN 106789534B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- 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
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
Abstract
The present embodiments relate to the communications field more particularly to a kind of data transmission method and device based on wireless network, it is managed and monitors to realize that Wi-Fi turns the terminal of the access Wi-Fi in LTE scene.In the embodiment of the present invention, according to the corresponding relationship of the IP of preset terminal and the network protocol IP in tunnel, the IP in the corresponding tunnel the IP of terminal is determined；According to the IP in tunnel, the tunnel instruction information for the IP for being able to indicate that tunnel is determined；Information, data after being encapsulated are indicated in pending data outer enclosure tunnel；Data after encapsulation are sent to AC.Since the outer enclosure tunnel of the data transmitted in terminal and internet indicates information, therefore AC can determine the IP of terminal corresponding to the data transmitted between the terminal received and internet, thus make AC can the corresponding information of IP to terminal be managed and monitor.
Description
Technical field
The present embodiments relate to the communications field more particularly to a kind of data transmission methods and dress based on wireless network
It sets.
Background technique
With long term evolution (Long Term Evolution, abbreviation LTE) technology deep development and LTE rate into
One step improves and stablizes, and the application scenarios of LTE constantly extend and abundant, LTE and conventional wireless high-fidelity (wireless
Fidelity, abbreviation Wi-Fi) combination also become a kind of new fashion application.LTE is with its high speed and stablizes as access electricity
The only choosing of letter operator's backbone network, and region overlay scheme of the Wi-Fi as local area network, also highlight its convenient, unaware
Connection, the features such as flow is insensitive.Therefore the public places such as more and more scenic spot, markets require Wi-Fi covering.
In concrete application, in the Wi-Fi network that the terminal access current region of user is covered, and it is mutual by LTE connection
Networking.In the case, it will usually turn customer terminal equipment (the Customer Premise of LTE using a kind of Wi-Fi
Equipment, abbreviation CPE) equipment, for realizing the connection of Wi-Fi and LTE network.
In above scheme, since LTE is not to the management interface of Wi-Fi terminal, and Wi-Fi turns LTE equipment and is usually
Three-layer equipment, terminal are invisible to the side LTE, that is to say, that the side LTE can not perceive the terminal of access Wi-Fi, and then can not dock
The terminal for entering Wi-Fi is managed and monitors.
Summary of the invention
The embodiment of the present invention provides a kind of data transmission method and device based on wireless network, to realize that Wi-Fi turns
The terminal of access Wi-Fi in LTE scene is managed and monitors.
The embodiment of the present invention provides a kind of data transmission method based on wireless network, suitable for the nothing including M tunnel
Line network conversion module；Centralized Controller AC is set between wireless network conversion module and internet；M is more than or equal to 1
Integer；Method includes: that wireless network conversion module receives the pending data that terminal is sent, and is assisted according to the network of preset terminal
The corresponding relationship for discussing the IP in IP and tunnel, determines the IP in the corresponding tunnel the IP of terminal；Wherein, source in pending data
Location includes the IP of terminal；Wireless network conversion module determines that the tunnel for the IP for being able to indicate that tunnel refers to according to the IP in tunnel
Show information；Wireless network conversion module indicates information, data after being encapsulated in pending data outer enclosure tunnel；Wireless network
Data after encapsulation are sent to AC by network conversion module；Wherein, data are used for after encapsulation: AC being made to decapsulate it to data after encapsulation
Afterwards, the IP of terminal is parsed from obtained pending data, and pending data is transmitted to internet.
Optionally, instruction information in tunnel includes the corresponding network address translation NAT mapped port mark of IP in tunnel；Wirelessly
Network conversion module indicates information, data after being encapsulated in pending data outer enclosure tunnel, comprising: wireless network conversion
Module determines the tunnel port mark in tunnel；IP and tunnel of the wireless network conversion module in pending data outer enclosure tunnel
Road port-mark；The corresponding relationship that wireless network conversion module is identified according to IP and the NAT mapped port in preset tunnel determines
The NAT mapped port mark of the IP mapping in tunnel out；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；Wireless network
The IP in tunnel is replaced with the LTE interface IP of wireless network conversion module by network conversion module, and tunnel port mark is replaced with NAT
Mapped port mark, data after being encapsulated.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Tunnel indicates information
It further include the corresponding virtual LAN VLAN stem of VAP network；Wireless network conversion module is in pending data outer enclosure tunnel
The IP and tunnel port in road are identified, comprising: wireless network conversion module determines the corresponding VAP in tunnel that the IP in tunnel is identified
The mark of network；Wireless network conversion module determines VAP net according to the corresponding relationship of preset VAP network and VLAN stem
The corresponding VLAN stem of network；Wireless network conversion module is in pending data outer enclosure VLAN stem；Wireless network modulus of conversion
IP and tunnel port of the block in the pending data outer enclosure tunnel of packaging V LAN stem are identified.
Optionally, IP and tunnel port of the wireless network conversion module in pending data outer enclosure tunnel are identified, packet
Include: IP and tunnel port of the wireless network conversion module in pending data outer enclosure tunnel are identified；Wireless network modulus of conversion
Block determine outer enclosure tunnel IP and tunnel port mark pending data length be greater than length threshold in the case where,
The pending data of IP and tunnel port mark to external encapsulation tunnel carry out fragment processing, and son is wait locate after obtaining multiple encapsulation
Manage data；The IP in tunnel is replaced with the LTE interface IP of wireless network conversion module by wireless network conversion module, by tunnel port
Mark replaces with NAT mapped port mark, data after being encapsulated, comprising: wireless network conversion module will be sub after multiple encapsulation
The IP in the tunnel in pending data replaces with the LTE interface IP of wireless network conversion module, and tunnel port mark is replaced with
NAT mapped port mark, data after being encapsulated；Wherein the length of sub- pending data is less than length threshold after each encapsulation.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；
Wireless network conversion module receives the pending data that terminal is sent, according to the IP of the IP of preset terminal and tunnel
Corresponding relationship, determine the IP in the corresponding tunnel the IP of terminal, comprising: wireless network conversion module passes through M tunnel correspondence
VAP network in a VAP network receive terminal send pending data；Wireless network conversion module is according to preset end
The corresponding relationship of IP and the VAP network at end determines the VAP network that the IP of terminal is correspondingly connected with；Wireless network modulus of conversion root tuber
According to the corresponding relationship of preset VAP network and the IP in tunnel, the IP in the corresponding tunnel of VAP network is determined.
Optionally, before the pending data that wireless network conversion module reception terminal is sent, further includes:
Wireless network conversion module receives the IP in the M tunnel that AC is issued；Wireless network conversion module is according to M tunnel
The one-to-one M tunnel IP of IP creation and M tunnel；Wireless network conversion module is established and M tunnel according to M tunnel
The one-to-one M VAP network in road；Wireless network conversion module establishes the corresponding relationship of the IP in M VAP network and M tunnel,
Obtain the corresponding relationship of the IP in preset VAP network and tunnel.
Optionally, before the pending data that wireless network conversion module reception terminal is sent, further includes: wireless network turns
Mold changing block receives the IP at least one terminal that AC is issued and the IP of wireless network conversion module；Wherein, the IP of multiple terminals
In the IP of each terminal and the IP of wireless network conversion module belong to the same subnet；Wireless network conversion module will at least one
The IP of a terminal in the IP of a terminal is set as the IP of terminal；Itself is set by the IP of wireless network conversion module
IP, so that wireless network conversion module pushes local letter in the case where determining that needs push local information to terminal, to terminal
Breath.
The embodiment of the present invention provides a kind of pending data transmission method based on wireless network, is suitable for including M tunnel
The wireless network conversion module in road；Centralized Controller AC is set between wireless network conversion module and internet；M be greater than etc.
In 1 integer；Method includes: that AC receives data after the encapsulation that wireless network conversion module is sent；Wherein, data are nothings after encapsulation
Line network conversion module receives the pending data that terminal is sent, according to the network protocol IP's of the preset terminal and IP in tunnel
Corresponding relationship determines the IP in the corresponding tunnel the IP of terminal；According to the IP in tunnel, determine the IP's for being able to indicate that tunnel
Tunnel indicates information；It is obtained in pending data outer enclosure tunnel instruction information；Wherein, the source address in pending data
IP including terminal；Data after AC parsing encapsulation, obtain the IP of tunnel instruction information and terminal；AC carries out the data after encapsulation
Decapsulation, and the pending data obtained after decapsulation is transmitted to internet.
The embodiment of the present invention provides a kind of pending data transmission method based on wireless network, is suitable for including M tunnel
The wireless network conversion module in road；Centralized Controller AC is set between wireless network conversion module and internet；M be greater than etc.
In 1 integer；Method includes: that wireless network conversion module receives data after the encapsulation that AC is sent；Wherein, data are AC after encapsulation
After the pending data for receiving the network protocol IP including terminal, information is indicated according to the IP of preset terminal and tunnel
Corresponding relationship is determined the corresponding tunnel instruction information of the IP of terminal, is obtained in pending data outer enclosure tunnel instruction information
It arrives；Data after the parsing encapsulation of wireless network conversion module determine tunnel indicated by tunnel instruction information；Wireless network turns
It changes the mold block to decapsulate data after encapsulation, the pending data for including in data after being encapsulated；Wireless network conversion module will
Pending data is transmitted to terminal by tunnel.
The embodiment of the present invention provides a kind of pending data transmission method based on wireless network, is suitable for including M tunnel
The wireless network conversion module in road；M is the integer more than or equal to 1；Method includes: that Centralized Controller AC reception internet is sent
Pending data；Wherein, the destination address in pending data includes the network protocol IP of terminal；AC obtains the IP of terminal, and
According to the corresponding relationship of the IP of preset terminal and tunnel instruction information, the corresponding tunnel instruction information of the IP of terminal is determined；
AC indicates information, data after being encapsulated in pending data outer enclosure tunnel；Data after encapsulation are sent to wireless network by AC
Network conversion module；Wherein, data are used for after encapsulation: wireless network conversion module being made to determine tunnel indicated by tunnel instruction information
Road, and by after data decapsulation after encapsulation, obtained pending data is transmitted to terminal by tunnel.
The embodiment of the present invention provides a kind of wireless network conversion module that the data for wireless network are transmitted, wireless network
Conversion module includes M tunnel；Centralized Controller AC is set between wireless network conversion module and internet；M be greater than etc.
In 1 integer；Wireless network conversion module includes: receiving unit, for receiving the pending data of terminal transmission；Wherein, to
Source address in processing data includes the IP of terminal；Processing unit, for the network protocol IP and tunnel according to preset terminal
IP corresponding relationship, determine the IP in the corresponding tunnel the IP of terminal；According to the IP in tunnel, determine to be able to indicate that tunnel
IP tunnel indicate information；Information, data after being encapsulated are indicated in pending data outer enclosure tunnel；Transmission unit,
AC is sent to for data after encapsulating；Wherein, data are used for after encapsulation: after decapsulating AC to data after encapsulation, from
To pending data in parse the IP of terminal, and pending data is transmitted to internet.
The embodiment of the present invention provides a kind of Centralized Controller AC that the pending data for wireless network is transmitted, and is suitable for
Wireless network conversion module including M tunnel；AC is set between wireless network conversion module and internet；M be greater than etc.
In 1 integer；AC includes: receiving unit, data after the encapsulation for receiving the transmission of wireless network conversion module；Wherein, it encapsulates
Afterwards data be wireless network conversion module receive terminal send pending data, according to the network protocol IP of preset terminal with
The corresponding relationship of the IP in tunnel determines the IP in the corresponding tunnel the IP of terminal；According to the IP in tunnel, determine to be able to indicate that
The tunnel of the IP in tunnel indicates information；It is obtained in pending data outer enclosure tunnel instruction information；Wherein, pending data
In source address include terminal IP；Processing unit obtains tunnel instruction information and terminal for parsing data after encapsulation
IP；Transmission unit is transmitted to for decapsulating to the data after encapsulation, and by the pending data obtained after decapsulation
Internet.
The embodiment of the present invention provides a kind of wireless network conversion module that the pending data for wireless network is transmitted, nothing
Line network conversion module includes M tunnel；Centralized Controller AC is set between wireless network conversion module and internet；M is
Integer more than or equal to 1；Wireless network conversion module includes: receiving unit, data after the encapsulation for receiving AC transmission；Its
In, after data are the pending data that AC receives the network protocol IP including terminal after encapsulation, according to preset terminal
The corresponding relationship of IP and tunnel instruction information determine the corresponding tunnel instruction information of the IP of terminal, outside pending data
Encapsulation tunnel instruction information obtains；Processing unit is determined indicated by tunnel instruction information for data after parsing encapsulation
Tunnel；Data decapsulate after encapsulating, the pending data for including in data after being encapsulated；Transmission unit, for will be wait locate
It manages data and terminal is transmitted to by tunnel.
The embodiment of the present invention provides a kind of Centralized Controller AC that the pending data for wireless network is transmitted, and is suitable for
Wireless network conversion module including M tunnel；M is the integer more than or equal to 1；AC includes: receiving unit, for receiving interconnection
Net the pending data sent；Wherein, the destination address in pending data includes the network protocol IP of terminal；Processing unit,
For obtaining the IP of terminal, and according to the corresponding relationship of the IP of preset terminal and tunnel instruction information, the IP of terminal is determined
Corresponding tunnel indicates information；Information, data after being encapsulated are indicated in pending data outer enclosure tunnel；Transmission unit,
Wireless network conversion module is sent to for data after encapsulating；Wherein, data are used for after encapsulation: making wireless network conversion module
It determines tunnel indicated by tunnel instruction information, and by after data decapsulation after encapsulation, obtained pending data is led to
It crosses tunnel and is transmitted to terminal.
In the embodiment of the present invention, suitable for the wireless network conversion module including M tunnel；In wireless network conversion module
Centralized Controller AC is set between internet.Wireless network conversion module receives the pending data that terminal is sent, according to pre-
If terminal IP and tunnel network protocol IP corresponding relationship, determine the IP in the corresponding tunnel the IP of terminal；Wherein, to
Source address in processing data includes the IP of terminal；According to the IP in tunnel, determine that the tunnel for the IP for being able to indicate that tunnel refers to
Show information；Information, data after being encapsulated are indicated in pending data outer enclosure tunnel；Data after encapsulation are sent to AC.
Since multiple tunnels are provided in the embodiment of the present invention in wireless network conversion module, and by being transmitted between tunnel and terminal
Data, further again since the outer enclosure for the data transmitted in terminal and internet tunnel indicates information, AC can
To determine the IP of terminal corresponding to the data transmitted between the terminal received and internet, to realize terminal
IP to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal be managed and monitor.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced.
Fig. 1 is a kind of schematic architectural diagram of communication system of the embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the data transmission method based on wireless network provided in an embodiment of the present invention；
Fig. 2 a is a kind of communication system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 b is that a kind of structure for the first pending data that terminal is sent to internet provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 c is the structural schematic diagram after being packaged to the first pending data of Fig. 2 b；
Fig. 2 d is that the structural schematic diagram after the mapping of NAT source port is carried out to Fig. 2 c；
Fig. 2 e is a kind of flow diagram of the data transmission method based on wireless network provided in an embodiment of the present invention；
Fig. 2 f is that a kind of structure for the second pending data that internet is sent to terminal provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 g is the structural schematic diagram after being packaged to the second pending data of Fig. 2 f；
Fig. 2 h is that the structural schematic diagram after the mapping of NAT source port is carried out to Fig. 2 g；
Fig. 3 is the wireless network conversion module that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
Structural schematic diagram；
Fig. 4 is the structural schematic diagram for the AC that a kind of data for wireless network provided in an embodiment of the present invention are transmitted；
Fig. 5 is the wireless network conversion module that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
Structural schematic diagram；
Fig. 6 is the structural schematic diagram for the AC that a kind of data for wireless network provided in an embodiment of the present invention are transmitted.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
Fig. 1 shows a kind of schematic architectural diagram of communication system using the embodiment of the present invention.As shown in Figure 1, this is logical
Letter system may include one or more terminals, such as terminal 1001, terminal 1002 etc. in figure, and terminal is accessed by wireless network
Wireless network conversion module 1003, wireless network conversion module 1003 are connect with base station 1004, base station 1004 and core net evolution
Packet switching center (Evolved Packet Core, abbreviation EPC) 1005 connects, core net EPC1005 and Centralized Controller
The connection of (Access Controller, abbreviation AC) 1006, Centralized Controller AC1006 is connected to internet 1007.AC1006
In the rear end of EPC1005, i.e. LTE network is transmitted at the Egress node of internet 1007.
AC1006 can be set between EPC1005 and internet 1007 in the embodiment of the present invention, optionally, can also integrate
In EPC1005.
Terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and one in the embodiment of the present invention
A or multiple EPC1005 are communicated, and terminal can refer to user equipment (User Equipment, abbreviation UE), access terminal, use
Family unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication are set
Standby, user agent or user apparatus.Access terminal can be cellular phone, wireless phone, session initiation protocol (Session
Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) stand,
Personal digital assistant (Personal Digital Assistant, abbreviation PDA), the handheld device with wireless communication function,
It calculates equipment or is connected to other processing equipments of radio modem, mobile unit, wearable device, in the following 5G network
Terminal device etc..
Wireless network conversion module in the embodiment of the present invention has the function of setting Wi-Fi network, can be realized Wi-Fi
Conversion between network and LTE network can be individual equipment, can also be integrated in existing router, in cpe device.
Base station 1004 (Base Transceiver Station, abbreviation BTS) in the embodiment of the present invention, can be
Base station (NodeB, abbreviation NB) in WCDMA system, can also be the evolved base station (Evolutional in LTE system
Node B, abbreviation eNB or eNodeB) or the network equipment can be relay station, access point, mobile unit, wearable device
And network equipment in the PLMN network of the network side equipment or the following evolution in future 5G network etc..The embodiment of the present invention
In, term " base station " includes but is not limited to node, station control, access point (Access Point, abbreviation AP) or any other
The interface equipment that can be worked in wireless environments of type.
Based on framework shown in FIG. 1, data can be transmitted between terminal and internet, transmission process be divided into from terminal transmission to
The transmitting uplink data process of internet, and the downlink data transmission process from the Internet transmission to terminal.Based on upper review
It states, the scheme of the embodiment of the present invention is discussed in detail below.
Fig. 2 illustrates a kind of process of data transmission method based on wireless network provided in an embodiment of the present invention
Schematic diagram.
Based on system architecture shown in FIG. 1, as shown in Fig. 2, wireless network conversion module provided in an embodiment of the present invention side
The data transmission method based on wireless network realized, this method are suitable for the wireless network conversion module including M tunnel, and
Centralized Controller AC is set between wireless network conversion module and internet.The transmission process of this method description is to pass from terminal
The transmitting uplink data process of internet is transported to, the first pending data is the upstream data from terminal transmission to internet, should
Method the following steps are included:
Step 2001, wireless network conversion module receives the first pending data that terminal is sent, according to preset terminal
IP and tunnel network protocol IP corresponding relationship, determine the IP in the corresponding tunnel the IP of terminal；Wherein, first is to be processed
Source address in data includes the IP of terminal；
Step 2002, wireless network conversion module determines the tunnel for the IP for being able to indicate that tunnel according to the IP in tunnel
Indicate information；
Step 2003, wireless network conversion module indicates information in the first pending data outer enclosure tunnel, is sealed
Data after dress；
Step 2004, data after encapsulation are sent to AC by wireless network conversion module；Wherein, data are used for after encapsulation: being made
After AC is to data decapsulation after encapsulation, the IP of terminal is parsed from the first obtained pending data, and by first wait locate
Data forwarding is managed to internet.AC receives data after the encapsulation that wireless network conversion module is sent；Wherein, data are nothings after encapsulation
Line network conversion module receives the first pending data that terminal is sent, corresponding with the IP in tunnel according to the IP of preset terminal
Relationship determines the IP in the corresponding tunnel the IP of terminal；According to the IP in tunnel, the tunnel for the IP for being able to indicate that tunnel is determined
Indicate information；It is obtained in the first pending data outer enclosure tunnel instruction information；Wherein, the source in the first pending data
Address includes the IP of terminal；
Step 2005, data after AC parsing encapsulation, obtain the IP of tunnel instruction information and terminal；
Step 2006, AC decapsulates the data after encapsulation, and the first number to be processed that will be obtained after decapsulation
According to being transmitted to internet.
In the embodiment of the present invention, since multiple tunnels are provided in the embodiment of the present invention in wireless network conversion module,
And by transmitting data between tunnel and terminal, further again by the outer enclosure for the data transmitted in terminal and internet
Tunnel indicates information, therefore AC can determine corresponding to the data transmitted between the terminal received and internet
The IP of terminal, to realize the IP of terminal to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal carry out pipe
Reason and monitoring.
Optionally, wireless network conversion module obtains tunnel address by tunnel control agreement.Optionally scheme is one kind,
Wireless network conversion module finds AC using the mode of static discovery or DNS discovery, and sends the IP for applying for tunnel to AC
Request.After AC receives the request for applying for the IP in tunnel, according to configuration, such as according to current network actual conditions,
The IP in M tunnel is issued to wireless network conversion module.
Optionally, after the encapsulation that AC reception wireless network conversion module is sent before data, further includes: AC is determining reception
After the request of IP for applying for tunnel sent to wireless network conversion module, M are issued to wireless network conversion module
The IP in tunnel；Wherein, the IP in M tunnel is used for: making IP creation and M tunnel of the wireless network conversion module according to M tunnel
The one-to-one M tunnel IP；According to M tunnel, establish and the one-to-one M virtual application processor in M tunnel
(Virtual Application Processor, abbreviation VAP) network；It is corresponding with the IP in M tunnel to establish M VAP network
Relationship obtains the corresponding relationship of the IP in preset VAP network and tunnel.
Correspondingly, optionally, it before wireless network conversion module receives the first pending data that terminal is sent, also wraps
Include: wireless network conversion module receives the IP in the M tunnel that AC is issued；Wireless network conversion module is created according to the IP in M tunnel
It builds and the one-to-one M tunnel the IP in M tunnel；Wireless network conversion module is established and M tunnel one according to M tunnel
One corresponding M VAP network；Wireless network conversion module establishes the corresponding relationship of the IP in M VAP network and M tunnel, obtains
The corresponding relationship of the IP in preset VAP network and tunnel.
Further, optionally, AC issues IP and the wireless network conversion of at least one terminal to wireless network conversion module
The IP of module.Wherein, the IP of the IP of at least one terminal and wireless network conversion module is used for: making wireless network conversion module will
The IP of a terminal in the IP of at least one terminal is set as the IP of terminal；It sets the IP of wireless network conversion module to certainly
The IP of body, so that wireless network conversion module pushes this in the case where determining that needs push local information to terminal, to terminal
Ground information.Wherein, the IP of each terminal in the IP of at least one terminal and IP of wireless network conversion module belongs to same
Subnet.In this way, for two layers of forwarding relationship and being in the same subnet with terminal between wireless network conversion module and VAP network
In, wireless network conversion module can directly push the local information on wireless network conversion module to the terminal of access VAP network.
Correspondingly, optionally, it before wireless network conversion module receives the first pending data that terminal is sent, also wraps
Include: wireless network conversion module receives the IP at least one terminal that AC is issued and the IP of wireless network conversion module；Wireless network
Network conversion module sets the IP of a terminal in the IP of at least one terminal to the IP of terminal；By wireless network conversion module
IP be set as itself IP so that wireless network conversion module determine need to push local information to terminal in the case where,
Local information is pushed to terminal.In this way, being connected between wireless network conversion module and terminal, wireless network conversion module can be direct
Local information on the terminal push wireless network conversion module of access VAP network.
Further, optionally, wireless network conversion module is sent to AC for applying for the corresponding virtual office of each VAP network
The request of domain net (Virtual Local Area Network, abbreviation VLAN) stem.AC is received for applying for each VAP net
After the request of the corresponding VLAN stem of network, M VLAN stem is issued to wireless network conversion module.Each VAP network is corresponding
One VLAN stem.
Further, in the case that terminal accesses VAP network, the IP of terminal can be registered, to obtain terminal
Corresponding relationship between IP, VAP network, VLAN stem and the IP in tunnel.Optionally, VAP network and VLAN stem correspond,
The IP in VAP network and tunnel is corresponded.The IP of the corresponding one or more terminals of one VAP network.
Further, since nat port mapping can be carried out to the data for entering the NAT network architecture, the embodiment of the present invention
Middle wireless network conversion module can obtain the corresponding pass between IP, NAT mapped port mark in IP, VAP network of terminal, tunnel
System.Optionally, tunnel IP and network address translation (Network Address Translation, abbreviation NAT) mapped port mark
It is corresponded between knowledge.
AC can obtain IP, VAP network of the terminal, VLAN stem, IP, NAT mapped port in tunnel through a variety of ways
Corresponding relationship between mark, for example, the corresponding relationship is sent to AC to wireless network conversion module or terminal accesses VAP
In the case where network, registration will do it, wireless network conversion module sends registration information to AC, to make AC according to the registration
Information oneself determines the corresponding relationship.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Wireless network conversion
Module receives the first pending data that terminal is sent, and according to the corresponding relationship of the IP of preset terminal and the IP in tunnel, determines
The IP in the corresponding tunnel the IP of terminal out, comprising: wireless network conversion module passes through one in the corresponding VAP network in M tunnel
A VAP network receives the first pending data that terminal is sent；Wireless network conversion module is according to the IP and VAP of preset terminal
The corresponding relationship of network determines the VAP network that the IP of terminal is correspondingly connected with；Wireless network conversion module is according to preset VAP
The corresponding relationship of the IP in network and tunnel, determines the IP in the corresponding tunnel of VAP network.
Fig. 2 a illustrates a kind of communication system architecture schematic diagram provided in an embodiment of the present invention, as shown in Figure 2 a,
Terminal connects wireless network conversion module 2101, and wireless network conversion module 2101 connects AC2102, AC2102 connection internet
2103.Data can be transmitted between terminal and internet 2103.
As shown in Figure 2 a, after wireless network conversion module 2101 receives the IP in the M tunnel that AC is issued, M are established
Tunnel, the IP in each tunnel one tunnel of corresponding distribution.As shown in Figure 2 a, 3 M, three of the foundation of wireless network conversion module
Tunnel is respectively tunnel 2104, tunnel 2105 and tunnel 2106.Wireless network conversion module is the externally corresponding release of each tunnel
One VAP network, each VAP network possess the SSID of oneself, and user may be connected to one of network and be taken using Wi-Fi
Business.Optionally, tunnel is to rely on existing for the VAP interface of VAP network in the embodiment of the present invention, can be with by the ID of VAP interface
Uniquely search corresponding tunnel.
Such as in Fig. 2 a, 2104 correspondence establishment VAP network 1 of tunnel, 2105 correspondence establishment VAP network 2 of tunnel, tunnel 2106
Correspondence establishment VAP network 3.Each VAP network externally discharges a VAP node.Terminal is turned by VAP network insertion wireless network
Block is changed the mold, for example terminal 1 and terminal 2 access VAP network 1, terminal 3 and terminal 4 access VAP network 2, and terminal 5 and terminal 6 access
VAP network 3.
As shown in Figure 2 a, optionally, wireless network conversion module is also the other identification informations of each tunnel distributing, such as
The address media access control (Medium Access Control, abbreviation MAC) in each tunnel distributing tunnel is each tunnel
Road distributes tunnel port mark, for example distributes tunnel port mark 1 for the corresponding velocity modulation of IP1 in tunnel, is that the IP2 in tunnel is corresponding
Velocity modulation distribution tunnel port mark 2, be that the corresponding velocity modulation of IP3 in tunnel distributes tunnel port mark 3.
Optionally, the terminal for accessing VAP network, passes through corresponding the first pending data of tunnel transmission of the VAP network, M
The corresponding virtual application processor VAP network in each tunnel in a tunnel；Instruction information in tunnel further includes that VAP network is corresponding
Virtual LAN VLAN stem.Optionally, the tunnel that wireless network conversion module determines that the IP in tunnel is identified is corresponding
The mark of VAP network；Wireless network conversion module determines VAP according to the corresponding relationship of preset VAP network and VLAN stem
The corresponding VLAN stem of network；Wireless network conversion module is in the first pending data outer enclosure VLAN stem.
Further, optionally, first pending data outer enclosure of the wireless network conversion module in packaging V LAN stem
The IP and tunnel port in tunnel are identified.Another optionally scheme, can also be only in the first pending data outer enclosure tunnel
IP and tunnel port mark.
Optionally, instruction information in tunnel includes the corresponding network address translation NAT mapped port mark of IP in tunnel.Wirelessly
Network conversion module indicates information, data after being encapsulated in pending data outer enclosure tunnel, comprising: wireless network conversion
Module determines the tunnel port mark in tunnel；IP and tunnel of the wireless network conversion module in pending data outer enclosure tunnel
Road port-mark.Specifically, the terminal for accessing VAP network, passes through the corresponding tunnel transmission first of VAP network number to be processed
When according to, the first pending data process of passing through tunnel, wireless network conversion module is in the first pending data outer enclosure tunnel
IP and tunnel port mark.
After IP and the tunnel port mark in the first pending data outer enclosure tunnel, wireless network conversion module exists
Determine outer enclosure tunnel IP and tunnel port mark pending data length be greater than length threshold in the case where, externally
The pending data of IP and the tunnel port mark of portion's encapsulation tunnel carries out fragment processing, obtains son number to be processed after multiple encapsulation
According to.
That is, optionally, due to the IP and tunnel port mark to the first pending data outer enclosure tunnel,
Therefore the possible overlength of the length of the data obtained, needs at this time to its requirement for whether meeting link MTU of obtained data check,
Data fragmentation is carried out to the data of overlength, external IP layer fragment can be used in fragment.Such as after being divided into two encapsulation son first wait locate
Data are managed, wherein the outside of sub first pending data encapsulates cunicular IP and tunnel port mark after each encapsulation, and
Sub first pending data also carries the mark of fragment processing after each encapsulation, so that the AC data for receiving fragment are closed
And it handles.
Optionally, the corresponding relationship that wireless network conversion module is identified according to IP and the NAT mapped port in preset tunnel,
Determine the NAT mapped port mark of the IP mapping in tunnel；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；Nothing
The IP in tunnel is replaced with the LTE interface IP of wireless network conversion module by line network conversion module, and tunnel port is identified and is replaced
For NAT mapped port mark, data after being encapsulated.
Specifically, when the NAT network architecture of the first pending data being packaged outside this Jing Guo LTE network,
Source port NAT mapping need to be carried out, the IP in different tunnels is mapped as the same LTE interface IP, and the IP in different tunnels is mapped out
Different NAT mapped port marks.Such as in Fig. 2 a, the IP3 of the IP1 in tunnel, the IP2 in tunnel and tunnel are mapped as LTE and connect
Mouth IP, the IP1 in tunnel are mapped as NAT mapped port mark 1 after NAT maps, and the IP2 in tunnel maps after NAT maps
For NAT mapped port mark 2, the IP3 in tunnel is mapped as NAT mapped port mark 3 after NAT maps.
Optionally, in the case where having carried out fragment processing, wireless network conversion module replaces with the IP in tunnel wirelessly
Tunnel port mark is replaced with NAT mapped port mark, data after being encapsulated, packet by the LTE interface IP of network conversion module
Include: the IP in the tunnel in sub- pending data after multiple encapsulation is replaced with wireless network conversion module by wireless network conversion module
LTE interface IP, by tunnel port mark replace with NAT mapped port mark, data after being encapsulated；Wherein after each encapsulation
The length of sub- pending data is less than length threshold.
Optionally, in the embodiment of the present invention, the data transmission mouth between terminal and wireless network conversion module uses wireless
Local area network (Wireless Local Area Network, abbreviation WLAN) agreement, wireless network conversion module inside is three floor road
By structure, wireless network conversion module externally use NAT agreement carry out address conversion, wireless network conversion module 2101 with
Base station between AC2102 can be the gateway of LTE point-to-point protocol.
Optionally, the corresponding MAC Address in each tunnel, MAC Address can be automatically generated by specific mode, due to for
The side LTE network is internal mac, invisible to external network, therefore is not specifically limited in the embodiment of the present invention.
Optionally, the link IP address that the IP of LTE interface distributes in the embodiment of the present invention for LTE base station.Institute is cunicular
The IP of the corresponding LTE interface of IP.But the IP in tunnel and NAT mapped port mark correspond.To realize user
IP is to the visible purpose in the side LTE.The presence of the IP in tunnel in the embodiment of the present invention is for one VAP network of unique identification
Channel, data can be mapped by link trace on circuit, give corresponding tunnel for change after facilitating the inverse NAT mapping of progress,
To find corresponding VAP network.
A kind of uplink protocol procedures provided in an embodiment of the present invention are described in detail below, terminal accesses after VAP network, eventually
The first pending data for accessing internet is transferred to the VAP node for the VAP network that the terminal is accessed by end.Wireless network turns
Root tuber is changed the mold according to the corresponding relationship of preset VAP network and the IP in tunnel, determines the IP in the corresponding tunnel of VAP network.It is optional
Ground, wireless network conversion module can find matched velocity modulation by hash algorithm according to the ID of VAP node, and to be processed by first
Data forward on the tunnel that the IP in the corresponding tunnel of VAP network is identified.Fig. 2 b illustrates the embodiment of the present invention
A kind of terminal provided is sent to the structural schematic diagram of the first pending data of internet, and as shown in Figure 2 b, first is to be processed
It include source address in data, source address includes the IP of terminal, and the MAC etc. that optionally, in source address may also include terminal is used for
Identify the information of terminal.It optionally, further include destination address in the first pending data.
Wireless network conversion module is determined to receive the tunnel in tunnel corresponding to the VAP network of first pending data
The IP of port-mark and tunnel.Wireless network conversion module does outer enclosure to the first pending data received.It is external
Encapsulation specifically refers to load by that will include complete first pending data such as User IP as tunneling data, then adds external tunnel
The mode of road stem is realized.Outer enclosure may include control and configuration protocol (the Control And of wireless access point
Provisioning of Wireless Access Points Protocol Specification, abbreviation CAPWAP) envelope
Dress, L2TP encapsulation, Point to Point Tunnel Protocol (Point to Point Tunneling Protocol, abbreviation PPTP) encapsulate, certainly
Define a variety of VAP packing forms such as tunnel encapsulation.
Optionally, can be in the corresponding VLAN stem of the first pending data outer enclosure VAP network, packaging V AP again later
The tunnel port in tunnel corresponding to network identifies and the IP in tunnel.Wireless network conversion module may be used also in the embodiment of the present invention
Support to be that the first pending data does VLAN encapsulation, specific method is before carrying out tunnel encapsulation, i.e., in the first number to be processed
It is first the first pending data packaging V LAN stem before IP and the tunnel port mark of encapsulation tunnel.VLAN stem is wireless
Network control module obtains from AC according to tunnel control agreement, and VLAN stem can make AC identify different VAP networks.
IP and tunnel port of the wireless network conversion module in the first pending data outer enclosure tunnel are identified.Fig. 2 c shows
Example property shows the structural schematic diagram after being packaged to the first pending data of Fig. 2 b, as shown in Figure 2 c, first wait locate
It manages data external addition outer enclosure information (for example can be the head of the first pending data), includes source in outer enclosure information
Address, source address include the IP and tunnel port mark in tunnel.Optionally, may be used also in the source address for including in outer enclosure information
MAC including tunnel etc. is used to identify the information in tunnel, convenient for backhaul data according to link trace and routing forwarding rule, leads to
Address resolution protocol (Address Resolution Protocol, abbreviation ARP) is crossed to search out tunnel and carry out two layers to tunnel
Forwarding.Optionally, further include tunnel protocol stem in outer enclosure information, for example, CAPWAP stem, L2TP stem, GRE stem,
Customized tunnel header etc..
It optionally, further include destination address in outer enclosure information.Destination address in outer enclosure information includes AC's
IP, so that data after encapsulation be enable to forward at arrival AC by three-layer network and carry out tunnel decapsulation at AC.Optionally,
Destination address in outer enclosure information further includes the MAC Address of wireless network conversion module, convenient for data after encapsulation according to two
Layer rules of interaction reaches the protocol stack entrance of wireless network conversion module, and carries out three layers of forwarding according to three-layer information.
Optionally, after encapsulating outer enclosure information, judgement encapsulates the first number to be processed of outer enclosure information
According to length whether be greater than length threshold, if it is not, then continuing subsequent processing；If so, fragment processing is carried out, it specifically, will
First pending data for encapsulating outer enclosure information is divided into two parts, and each part addition fragment processing identifies,
And it can be identified for that out that each part is some marks of the sequencing of whole and each part, and in each part
Preceding equal package outside packaging information, in this way, can be handled fragment after receiving end receives the information for having carried out fragment processing
Information integrated.Optionally, which is equally applicable to the stream that AC is packaged data
Journey.
Optionally, the corresponding relationship that wireless network conversion module is identified according to IP and the NAT mapped port in preset tunnel,
Determine the NAT mapped port mark of the IP mapping in tunnel；The IP in tunnel is replaced with wireless network by wireless network conversion module
Tunnel port mark is replaced with NAT mapped port mark, data after being encapsulated by the LTE interface IP of conversion module.Wherein,
IP and the NAT mapped port in tunnel, which identify, to be corresponded.
That is, the agreement of wireless network conversion module is sent in the embodiment of the present invention according to two layers of interaction concept
Stack reaches LTE interface by routing forwarding, and is required to have carried out source address conversion according to NAT.Fig. 2 d is illustrated to figure
The structural schematic diagram that 2c carries out after the mapping of NAT source port wraps in the source address after conversion in outer enclosure information as shown in Figure 2 d
The IP in the tunnel included becomes the IP of LTE interface, and tunnel port mark is converted to NAT mapped port mark；Optionally, external envelope
It include the MAC that tunnel MAC becomes LTE interface in source address in dress information.Optionally target in outer enclosure information
The MAC for including in location becomes the MAC of next-hop gateway.Optionally, the MAC of AC can be used as the MAC of next-hop gateway.
Gateway receives after the encapsulation data and is transmitted to AC by core net, and optionally, AC unseals the data received
Dress, obtains the first pending data as shown in Figure 2 b, and first pending data is transmitted to internet.AC obtains first
The IP for the terminal for including in pending data, so that realizing all data corresponding to the IP of terminal is monitored management record
Purpose, so realize the management to terminal.
Optionally, the data transmitted between the tunnel of wireless network conversion module are invisible each other, therefore tunnel also rises
To the effect of data between isolation VAP.
Fig. 2 e illustrates a kind of stream of data transmission method based on wireless network provided in an embodiment of the present invention
Journey schematic diagram.Based on same idea and above-mentioned discussion, as shown in Figure 2 e, wireless network modulus of conversion provided in an embodiment of the present invention
Another data transmission method based on wireless network that block side is realized, this method are suitable for the wireless network including M tunnel
Conversion module, and Centralized Controller AC is set between wireless network conversion module and internet.This method description is transmitted across
For Cheng Weicong the Internet transmission to the downlink data transmission process of terminal, the second pending data is from the Internet transmission to terminal
Downlink data, method includes the following steps:
Step 2501, AC receives the second pending data that internet is sent；Wherein, the target in the second pending data
Address includes the IP of terminal；
Step 2502, AC obtains the IP of terminal, and the corresponding relationship of information is indicated according to the IP of preset terminal and tunnel,
Determine the corresponding tunnel instruction information of the IP of terminal；
Step 2503, AC indicates information, data after being encapsulated in the second pending data outer enclosure tunnel；
Step 2504, data after encapsulation are sent to wireless network conversion module by AC；Wherein, data are used for after encapsulation: being made
Wireless network conversion module determine tunnel instruction information indicated by tunnel, and will encapsulation after data decapsulation after, will
To the second pending data terminal is transmitted to by tunnel.Wireless network conversion module receives data after the encapsulation that AC is sent；
Wherein, after data are the second pending data that AC receives the IP including terminal after encapsulation, according to the IP of preset terminal
With the corresponding relationship of tunnel instruction information, the corresponding tunnel instruction information of the IP of terminal is determined, outside the second pending data
Portion's encapsulation tunnel instruction information obtains；
Step 2505, data after wireless network conversion module parsing encapsulation determine tunnel indicated by tunnel instruction information
Road；
Step 2506, data decapsulate after wireless network conversion module will encapsulate, include in data after being encapsulated the
Two pending datas；
Step 2507, the second pending data is transmitted to terminal by tunnel by wireless network conversion module.
Based on above-mentioned discussion content, a kind of downlink scheme process provided in an embodiment of the present invention is described in detail below.The side AC
It is stored with the IP of terminal and the corresponding relationship of nat port mark, optionally, the side AC is also stored with IP and the VLAN stem of terminal
Corresponding relationship.
Fig. 2 f illustrates the second number to be processed that a kind of internet provided in an embodiment of the present invention is sent to terminal
According to structural schematic diagram, as shown in figure 2f, in the second pending data include destination address, destination address includes the IP of terminal,
Optionally, it may also include MAC of terminal etc. in destination address for identifying the information of terminal.Optionally, the second number to be processed
It further include source address in.
Optionally, instruction information in tunnel includes network address translation NAT mapped port mark.AC is according to preset terminal
The corresponding relationship of IP and tunnel instruction information determine the corresponding tunnel instruction information of the IP of terminal, comprising: AC is according to preset
The corresponding relationship of IP and NAT the mapped port mark of terminal, determines the corresponding NAT mapped port of the IP of terminal, obtains terminal
The corresponding tunnel IP indicate information；Wherein, NAT mapped port is used for: making wireless network conversion module according to preset tunnel
IP and NAT mapped port mark corresponding relationship, determine the IP in the corresponding tunnel of NAT mapped port, and will number after encapsulation
After decapsulation, the second obtained pending data is transmitted to terminal by the tunnel that the IP in tunnel is identified；Wherein, tunnel
IP and the NAT mapped port in road, which identify, to be corresponded.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Tunnel indicates information
It further include the corresponding virtual LAN VLAN stem of mark of VAP network.AC is according to IP and the NAT mapped port of preset terminal
The corresponding relationship of mark determines the corresponding NAT mapped port of the IP of terminal, obtains the corresponding tunnel instruction letter of IP of terminal
Breath, comprising: the corresponding relationship that AC is identified according to IP and the NAT mapped port of preset terminal determines that the IP of terminal is corresponding
NAT mapped port；AC determines the corresponding VAP net of the IP of terminal according to the corresponding relationship of IP and the VAP network of preset terminal
Network；AC determines the corresponding VLAN stem of VAP network according to the corresponding relationship of preset VAP network and VLAN stem；AC is incited somebody to action
To NAT mapped port and VLAN stem be determined as the corresponding tunnel the IP instruction information of terminal.
Optionally, can be in the corresponding VLAN stem of the second pending data outer enclosure VAP network, packaging V AP again later
The mark of NAT mapped port corresponding to network and LTE interface IP.AC can also be supported to be processed for second in the embodiment of the present invention
Data do VLAN encapsulation, and specific method is to encapsulate NAT in the second pending data before carrying out the encapsulation of NAT mapped port
Mapped port mark and LTE interface IP before, be first the second pending data packaging V LAN stem.VLAN stem and VAP net
Network corresponds.
Fig. 2 g illustrates the structural schematic diagram after being packaged to the second pending data of Fig. 2 f, such as Fig. 2 g institute
Show, outer enclosure information (for example can be the head of the second pending data), outside envelope be added outside the second pending data
Filling includes destination address in information, and destination address includes LTE interface IP and NAT mapped port mark.Optionally, outer enclosure is believed
It may also include MAC of LTE interface etc. in the destination address for including in breath for identifying the information in tunnel.
It optionally, further include source address in outer enclosure information.Source address in outer enclosure information includes the IP of AC, from
And data after encapsulation is enable to forward at arrival wireless network conversion module and in wireless network conversion module by three-layer network
Place carries out tunnel decapsulation.
Optionally, AC indicates information, data after being encapsulated, comprising: AC in the second pending data outer enclosure tunnel
Information is indicated in the second pending data outer enclosure tunnel；AC is to be processed in determine outer enclosure tunnel instruction information second
In the case that the length of data is greater than length threshold, fragment is carried out to the second pending data of external encapsulation tunnel instruction information
Processing obtains sub second pending data after multiple encapsulation；Wherein, each envelope after multiple encapsulation in sub second pending data
Outer enclosure tunnel of sub second pending data indicates information after dress.That is, son second is to be processed after multiple encapsulation
The tunnel instruction information of the outer enclosure of sub second pending data is identical after each encapsulation in data.Wherein after each encapsulation
The length of sub second pending data is less than length threshold；After second pending data sub after multiple encapsulation is determined as encapsulation by AC
Data.
That is, optionally, after encapsulating outer enclosure information, judgement encapsulates the second of outer enclosure information
Whether the length of pending data is greater than length threshold, if it is not, then continuing subsequent processing；If so, carrying out fragment processing, specifically
For, which is divided into two parts, each part is added at fragment
Reason mark, and can be identified for that out that each part is some marks of the sequencing of whole and each part, and
Equal package outside packaging information before each part, in this way, after receiving end receives the information for having carried out fragment processing, it can be right
The information of fragment processing is integrated.
Correspondingly, optionally, instruction information in tunnel includes network address translation NAT mapped port mark.Wireless network turns
Data after block parsing encapsulates are changed the mold, determine tunnel indicated by tunnel instruction information, comprising: the parsing of wireless network conversion module
Data after encapsulation determine the NAT mapped port mark for including in data after encapsulating；Wireless network conversion module is according to preset
The corresponding relationship of IP and NAT the mapped port mark in tunnel, determines the IP in the corresponding tunnel of NAT mapped port；Wherein, tunnel
IP and NAT mapped port mark correspond；Second pending data is transmitted to by wireless network conversion module by tunnel
Terminal, comprising: tunnel indicated by IP of second pending data by tunnel is transmitted to terminal by wireless network conversion module.
That is, mapping end according to NAT after wireless network conversion module receives the downlink data that internet is sent
The corresponding relationship of the IP in mouth mark and tunnel, determines the IP in the corresponding tunnel of NAT mapped port, outer enclosure information is carried out
Inverse NAT is converted.Fig. 2 h, which is illustrated, carries out the structural schematic diagram after the mapping of NAT source port to Fig. 2 g, as shown in fig. 2h, outside
LTE interface IP in destination address in portion's packaging information replaces with NAT mapped port and identifies corresponding tunnel IP, NAT mapping
Port-mark is converted to tunnel port mark.Optionally, also included LTE interface in the destination address in outer enclosure information
MAC replaces with the MAC that corresponding tunnel is identified for NAT mapped port.The second pending data for carrying out inverse NAT conversion passes through road
By selection and two layers of forwarding, it is forwarded to tunnel interface.
Wireless network conversion module receives the second pending data after encapsulation, is decapsulated, and when decapsulation verifies
The fragment mark of data external is and offset field, if according to fragment mark being and offset field judges that the data are to have carried out point
The data of piece processing, then cache and wait other fragment datas, when all fragment datas finish receiving, wireless network modulus of conversion
Data IP layers of recombination of progress are reduced into a complete data packet by block.Then it is decapsulated, specifically, removes the
Outer enclosure information outside two pending datas, i.e. dismounting tunnel IP and tunnel port mark, if outside the second pending data
Portion also encapsulates VLAN stem, then also removes external VLAN stem.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Wireless network conversion
Second pending data is transmitted to terminal by tunnel by module, comprising: wireless network conversion module is according to preset VAP network
With the corresponding relationship of the IP in tunnel, the corresponding VAP network of the IP in tunnel is determined；Wireless network conversion module is to be processed by second
Data are by VAP forwarded to terminal.Optionally, wireless network conversion module can be according to the end cached at VAP network interface
The MAC for the terminal for including in the MAC Address list and the second pending data at end, by this as shown in figure 2f second wait locate
Data forwarding is managed to terminal corresponding to terminal IP.
CAPWAP agreement in traditional WLAN operation management is applied to three layers by scheme provided by the embodiment of the present invention
Wi-Fi turns in LTE equipment, allows to penetrate Three Tiered Network Architecture by penetrating processing, makes Wi-Fi user to Centralized Controller
(AC) as it can be seen that realize to the centralized control of Wi-Fi user and flow operating audit and monitoring management.There may be a kind of passes
In the scheme of CAPWAP tunnel technology, applied to the communication between two-layer equipment AP and AC, AC is using it to Wi-Fi terminal under AP
It is managed.However, the embodiment of the present invention can be applied to the tunnel L2TP/GRE, it is widely used in long-range VAP communication, in the prior art
Under the application scenarios and management of the AC to Wi-Fi terminal is not implemented.
It it may be seen from the foregoing that establishing multiple tunnels in scheme provided by the embodiment of the present invention, and is each tunnel
Distribute unique tunnel IP, each tunnel IP uniquely corresponds to a NAT mapped port mark, so as to generate mapping one by one and
Reverse link tracking makes it possible that more VAP networks penetrate LTE network using tunnel style simultaneously, extends this applied field
The coverage mode of scape Wi-Fi module.On the other hand, tunnel style is used in the lte networks, makes Wi-Fi user can to manager
See, to make it possible management of the LTE network network operator to Wi-Fi user.The third aspect, wireless network in the embodiment of the present invention
The IP of network conversion module can be set as identical subnet, i.e. phase same network segment with the customer service IP of terminal, to make Wi-Fi user
Not only the service propelling of wireless network conversion module itself can have been received, but also can receive the service propelling of AC, to expand
More service application scenes out.Fourth aspect, Wi-Fi user to AC as it can be seen that AC can to user data carry out Data Audit,
Traffic monitoring simultaneously can distinguish user progress flow control and service propelling etc., these are all three layers of traditional Wi-Fi-LTE networks
It is impossible.
Fig. 3 illustrates the wireless network that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
The structural schematic diagram of conversion module.
Based on same idea, the embodiment of the present invention provides a kind of wireless network conversion that the data for wireless network are transmitted
Module, for executing above method process, wireless network conversion module includes M tunnel；In wireless network conversion module and mutually
Centralized Controller AC is set between networking；M is the integer more than or equal to 1；As shown in figure 3, wireless network conversion module includes connecing
Receive unit 301, processing unit 302 and transmission unit 303.Wherein:
Receiving unit, for receiving the pending data of terminal transmission；Wherein, the source address in pending data includes eventually
The IP at end；
Processing unit determines end for the corresponding relationship according to the IP of the network protocol IP and tunnel of preset terminal
The IP in the corresponding tunnel the IP at end；According to the IP in tunnel, the tunnel instruction information for the IP for being able to indicate that tunnel is determined；To
It handles data external encapsulation tunnel and indicates information, data after being encapsulated；
Transmission unit is sent to AC for data after encapsulating；Wherein, data are used for after encapsulation: making AC to number after encapsulation
After decapsulation, the IP of terminal is parsed from obtained pending data, and pending data is transmitted to internet.
Optionally, instruction information in tunnel includes the corresponding network address translation NAT mapped port mark of IP in tunnel；Processing
Unit is used for: determining the tunnel port mark in tunnel；IP and tunnel port mark in pending data outer enclosure tunnel
Know；According to the corresponding relationship of the IP in preset tunnel and NAT mapped port mark, the NAT mapping of the IP mapping in tunnel is determined
Port-mark；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；The IP in tunnel is replaced with into wireless network conversion
Tunnel port mark is replaced with NAT mapped port mark, data after being encapsulated by the LTE interface IP of module.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Tunnel indicates information
It further include the corresponding virtual LAN VLAN stem of VAP network；Processing unit is used for: determining the tunnel that the IP in tunnel is identified
The mark of the corresponding VAP network in road；According to the corresponding relationship of preset VAP network and VLAN stem, determine that VAP network is corresponding
VLAN stem；In pending data outer enclosure VLAN stem；In the pending data outer enclosure tunnel of packaging V LAN stem
The IP and tunnel port in road are identified.
Optionally, processing unit is used for: IP and tunnel port in pending data outer enclosure tunnel are identified；True
In the case that the length for the pending data that the IP and tunnel port for determining outer enclosure tunnel are identified is greater than length threshold, to outside
The pending data of IP and the tunnel port mark of encapsulation tunnel carries out fragment processing, obtains son number to be processed after multiple encapsulation
According to；The LTE interface IP that the IP in the tunnel in sub- pending data after multiple encapsulation is replaced with to wireless network conversion module, by tunnel
Road port-mark replaces with NAT mapped port mark, data after being encapsulated；Wherein after each encapsulation sub- pending data length
Degree is less than length threshold.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Processing unit is used
In: the pending data that terminal is sent is received by a VAP network in the corresponding VAP network in M tunnel；According to preset
The corresponding relationship of IP and the VAP network of terminal determines the VAP network that the IP of terminal is correspondingly connected with；According to preset VAP network
With the corresponding relationship of the IP in tunnel, the IP in the corresponding tunnel of VAP network is determined.
Optionally, receiving unit is also used to: receiving the IP in the M tunnel that AC is issued；Processing unit is also used to: according to M
The one-to-one M tunnel IP of the IP creation and M tunnel in a tunnel；According to M tunnel, establish a pair of with M tunnel one
The M VAP network answered；The corresponding relationship for establishing the IP in M VAP network and M tunnel, obtains preset VAP network and tunnel
IP corresponding relationship.
Optionally, receiving unit is also used to: receiving the IP and wireless network modulus of conversion of at least one terminal that AC is issued
The IP of block；Wherein, the IP of each terminal in the IP of at least one terminal and IP of wireless network conversion module belongs to same
Subnet；Processing unit is also used to: setting the IP of a terminal in the IP of at least one terminal to the IP of terminal；It will be wireless
The IP of network conversion module is set as the IP of itself, so that wireless network conversion module is determining needs to the local letter of terminal push
In the case where breath, local information is pushed to terminal.
It can be seen from the above: due to being provided with multiple tunnels in the embodiment of the present invention in wireless network conversion module
Road, and by transmitting data between tunnel and terminal, further again by the outside for the data transmitted in terminal and internet
Tunnel instruction information is encapsulated, therefore AC can determine that the data institute transmitted between the terminal received and internet is right
The IP for the terminal answered, to realize the IP of terminal to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal into
Row management and monitoring.
Fig. 4 illustrates the structure for the AC that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
Schematic diagram.
Based on same idea, the embodiment of the present invention provides a kind of AC that the data for wireless network are transmitted, for executing
Above method process, wireless network conversion module include M tunnel；Collection is set between wireless network conversion module and internet
Middle controller AC；M is the integer more than or equal to 1；As shown in figure 4, AC includes receiving unit 401, processing unit 402 and sends single
Member 403.Wherein:
Receiving unit, data after the encapsulation for receiving the transmission of wireless network conversion module；Wherein, data are nothings after encapsulation
Line network conversion module receives the pending data that terminal is sent, according to the network protocol IP's of the preset terminal and IP in tunnel
Corresponding relationship determines the IP in the corresponding tunnel the IP of terminal；According to the IP in tunnel, determine the IP's for being able to indicate that tunnel
Tunnel indicates information；It is obtained in pending data outer enclosure tunnel instruction information；Wherein, the source address in pending data
IP including terminal；
Processing unit obtains the IP of tunnel instruction information and terminal for data after parsing encapsulation；
Transmission unit, for being decapsulated to the data after encapsulation, and the pending data that will be obtained after decapsulation
It is transmitted to internet.
Optionally, instruction information in tunnel includes the corresponding network address translation NAT mapped port mark of IP in tunnel；Its
In, IP and the NAT mapped port in tunnel, which identify, to be corresponded.
Optionally, transmission unit is also used to: determine receive the transmission of wireless network conversion module for applying for tunnel
IP request after, the IP in M tunnel is issued to wireless network conversion module；Wherein, the IP in M tunnel is used for: being made wireless
Network conversion module creates the one-to-one M tunnel IP with M tunnel according to the IP in M tunnel；According to M tunnel, build
The vertical and one-to-one M virtual application processor VAP network in M tunnel；Establish pair of the IP in M VAP network and M tunnel
It should be related to, obtain the corresponding relationship of the IP in preset VAP network and tunnel.
Optionally, transmission unit is also used to: the IP of at least one terminal is issued to wireless network conversion module, and wireless
The IP of network conversion module；Wherein, the IP of the IP Yu wireless network conversion module of each terminal in the IP of at least one terminal
Belong to the same subnet；Wherein, the IP of the IP of at least one terminal and wireless network conversion module is used for: converting wireless network
Module sets the IP of a terminal in the IP of at least one terminal to the IP of terminal；The IP of wireless network conversion module is set
Be set to the IP of itself so that wireless network conversion module determine need to terminal push local information in the case where, to terminal
Push local information.
It can be seen from the above: due to being provided with multiple tunnels in the embodiment of the present invention in wireless network conversion module
Road, and by transmitting data between tunnel and terminal, further again by the outside for the data transmitted in terminal and internet
Tunnel instruction information is encapsulated, therefore AC can determine that the data institute transmitted between the terminal received and internet is right
The IP for the terminal answered, to realize the IP of terminal to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal into
Row management and monitoring.
Fig. 5 illustrates the wireless network that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
The structural schematic diagram of conversion module.
Based on same idea, the embodiment of the present invention provides a kind of wireless network conversion that the data for wireless network are transmitted
Module, for executing above method process, wireless network conversion module includes M tunnel；In wireless network conversion module and mutually
Centralized Controller AC is set between networking；M is the integer more than or equal to 1；As shown in figure 5, wireless network conversion module includes connecing
Receive unit 501, processing unit 502 and transmission unit 503.Wherein:
Receiving unit, data after the encapsulation for receiving AC transmission；Wherein, data are that AC is received including terminal after encapsulation
Network protocol IP pending data after, according to the IP of preset terminal and tunnel instruction information corresponding relationship, determine
The corresponding tunnel the IP of terminal indicates information out, obtains in pending data outer enclosure tunnel instruction information；
Processing unit determines tunnel indicated by tunnel instruction information for data after parsing encapsulation；It will be counted after encapsulation
According to decapsulation, the pending data that includes in data after being encapsulated；
Transmission unit, for pending data to be transmitted to terminal by tunnel.
Optionally, instruction information in tunnel includes network address translation NAT mapped port mark；Processing unit, comprising: parsing
Data after encapsulation determine the NAT mapped port mark for including in data after encapsulating；It is reflected according to the IP in preset tunnel and NAT
The corresponding relationship for penetrating port-mark determines the IP in the corresponding tunnel of NAT mapped port；Wherein, the IP and NAT in tunnel map end
Mouth mark corresponds；Transmission unit is used for: tunnel indicated by IP of the pending data by tunnel is transmitted to terminal.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Processing unit is used
In: according to the corresponding relationship of preset VAP network and the IP in tunnel, determine the corresponding VAP network of the IP in tunnel；It will be to be processed
Data are by VAP forwarded to terminal.
It can be seen from the above: due to being provided with multiple tunnels in the embodiment of the present invention in wireless network conversion module
Road, and by transmitting data between tunnel and terminal, further again by the outside for the data transmitted in terminal and internet
Tunnel instruction information is encapsulated, therefore AC can determine that the data institute transmitted between the terminal received and internet is right
The IP for the terminal answered, to realize the IP of terminal to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal into
Row management and monitoring.
Fig. 6 illustrates the structure for the AC that a kind of data for wireless network provided in an embodiment of the present invention are transmitted
Schematic diagram.
Based on same idea, the embodiment of the present invention provides a kind of AC that the data for wireless network are transmitted, for executing
Above method process, wireless network conversion module include M tunnel；Collection is set between wireless network conversion module and internet
Middle controller AC；M is the integer more than or equal to 1；As shown in fig. 6, AC includes receiving unit 601, processing unit 602 and sends single
Member 603.Wherein:
Receiving unit, for receiving the pending data of internet transmission；Wherein, the destination address packet in pending data
Include the network protocol IP of terminal；
Processing unit, for obtaining the IP of terminal, and according to the corresponding pass of the IP of preset terminal and tunnel instruction information
System determines the corresponding tunnel instruction information of the IP of terminal；Information is indicated in pending data outer enclosure tunnel, is encapsulated
Data afterwards；
Transmission unit is sent to wireless network conversion module for data after encapsulating；Wherein, data are used for after encapsulation:
Make wireless network conversion module determine tunnel instruction information indicated by tunnel, and will encapsulation after data decapsulation after, will
Obtained pending data is transmitted to terminal by tunnel.
Optionally, processing unit is used for: indicating information in pending data outer enclosure tunnel；Determining outer enclosure
Tunnel indicate information pending data length be greater than length threshold in the case where, to external encapsulation tunnel instruction information to
It handles data and carries out fragment processing, obtain sub- pending data after multiple encapsulation；Wherein, after multiple encapsulation in sub- pending data
Each encapsulation after the outer enclosure of the sub- pending data tunnel indicate information；That is, after multiple encapsulation son second to
The tunnel instruction information of the outer enclosure of sub second pending data is identical after each encapsulation in processing data.Wherein each envelope
The length of sub- pending data is less than length threshold after dress；Sub- pending data after multiple encapsulation is determined as data after encapsulating.
Optionally, instruction information in tunnel includes network address translation NAT mapped port mark；Processing unit is used for: according to
The corresponding relationship of IP and NAT the mapped port mark of preset terminal, determines the corresponding NAT mapped port of the IP of terminal, obtains
Information is indicated to the corresponding tunnel IP of terminal；Wherein, NAT mapped port is used for: making wireless network conversion module according to default
Tunnel IP and NAT mapped port mark corresponding relationship, determine the IP in the corresponding tunnel of NAT mapped port, and will envelope
After dress after data decapsulation, obtained pending data is transmitted to terminal by the tunnel that the IP in tunnel is identified；Wherein,
IP and the NAT mapped port in tunnel, which identify, to be corresponded.
Optionally, the corresponding virtual application processor VAP network in each tunnel in M tunnel；Tunnel indicates information
It further include the corresponding virtual LAN VLAN stem of mark of VAP network；Processing unit is used for: according to the IP of preset terminal
With the corresponding relationship of NAT mapped port mark, the corresponding NAT mapped port of the IP of terminal is determined；According to preset terminal
The corresponding relationship of IP and VAP network determine the corresponding VAP network of the IP of terminal；AC is first according to preset VAP network and VLAN
The corresponding relationship in portion determines the corresponding VLAN stem of VAP network；Obtained NAT mapped port and VLAN stem are determined as
The corresponding tunnel the IP of terminal indicates information.
It can be seen from the above: due to being provided with multiple tunnels in the embodiment of the present invention in wireless network conversion module
Road, and by transmitting data between tunnel and terminal, further again by the outside for the data transmitted in terminal and internet
Tunnel instruction information is encapsulated, therefore AC can determine that the data institute transmitted between the terminal received and internet is right
The IP for the terminal answered, to realize the IP of terminal to the visible purpose in the side LTE, make AC can the corresponding information of IP to terminal into
Row management and monitoring.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processing of general purpose computer, special purpose computer, Embedded Processor or other programmable pending data processing equipments
Device is to generate a machine, so that the finger executed by the processor of computer or other programmable pending data processing equipments
It enables and generates to specify in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable pending datas processing are set
In standby computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates
Manufacture including command device, the command device are realized in one or more flows of the flowchart and/or one, block diagram
The function of being specified in box or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable pending data processing equipments, be made
It obtains and executes series of operation steps on a computer or other programmable device to generate computer implemented processing, thus counting
The instruction executed on calculation machine or other programmable devices is provided for realizing in one or more flows of the flowchart and/or side
The step of function of being specified in block diagram one box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from model of the invention by those skilled in the art
It encloses.In this way, if these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology, then
The present invention is also intended to include these modifications and variations.
Claims (24)
1. a kind of data transmission method based on wireless network, which is characterized in that the wireless network suitable for including M tunnel turns
Change the mold block；Centralized Controller AC is set between the wireless network conversion module and internet；The M is more than or equal to 1
Integer；The described method includes:
The wireless network conversion module receives the pending data that terminal is sent, according to the network protocol IP of preset terminal with
The corresponding relationship of the IP in tunnel determines the IP in the corresponding tunnel the IP of the terminal；Wherein, the source in the pending data
Address includes the IP of the terminal；
The wireless network conversion module is determined to be able to indicate that the tunnel of the IP in the tunnel refers to according to the IP in the tunnel
Show information, wherein instruction information in the tunnel includes the corresponding network address translation NAT mapped port mark of IP in the tunnel；
The wireless network conversion module determines the tunnel port mark in the tunnel；
The IP and the tunnel port mark in wireless network conversion module tunnel described in the pending data outer enclosure
Know；
The corresponding relationship that the wireless network conversion module is identified according to IP and the NAT mapped port in preset tunnel, is determined
The NAT mapped port mark of the IP mapping in the tunnel；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；
The IP in the tunnel is replaced with the LTE interface IP of the wireless network conversion module by the wireless network conversion module,
Tunnel port mark is replaced with into the NAT mapped port mark, obtains data after the encapsulation；
Data after the encapsulation are sent to AC by the wireless network conversion module；Wherein, data are used for after the encapsulation: making institute
After AC is stated to data decapsulation after the encapsulation, the IP of the terminal is parsed from the obtained pending data, and
The pending data is transmitted to internet.
2. the method as described in claim 1, which is characterized in that virtually answer in corresponding one of each tunnel in the M tunnel
With processor VAP network；The tunnel instruction information further includes the corresponding virtual LAN VLAN stem of the VAP network；
The IP and the tunnel port mark in wireless network conversion module tunnel described in the pending data outer enclosure
Know, comprising:
The wireless network conversion module determines the mark for the corresponding VAP network in tunnel that the IP in the tunnel is identified；
The wireless network conversion module determines the VAP net according to the corresponding relationship of preset VAP network and VLAN stem
The corresponding VLAN stem of network；
Wireless network conversion module VLAN stem described in the pending data outer enclosure；
Wireless network conversion module tunnel described in the pending data outer enclosure for encapsulating the VLAN stem
IP and tunnel port mark.
3. the method as described in claim 1, which is characterized in that the wireless network conversion module is outside the pending data
Portion encapsulates the IP and tunnel port mark in the tunnel, comprising:
The IP and the tunnel port mark in wireless network conversion module tunnel described in the pending data outer enclosure
Know；
The wireless network conversion module the IP for determining tunnel described in outer enclosure and the tunnel port mark described in
Handle data length be greater than length threshold in the case where, the IP in the tunnel described in outer enclosure and the tunnel port mark
The pending data carries out fragment processing, obtains sub- pending data after multiple encapsulation；
The IP in the tunnel is replaced with the LTE interface IP of the wireless network conversion module by the wireless network conversion module,
Tunnel port mark is replaced with into the NAT mapped port mark, obtains data after the encapsulation, comprising:
The IP in the tunnel in sub- pending data after the multiple encapsulation is replaced with institute by the wireless network conversion module
Tunnel port mark is replaced with the NAT mapped port and identified, obtained by the LTE interface IP for stating wireless network conversion module
Data after to the encapsulation；
Wherein the length of sub- pending data is less than the length threshold after each encapsulation.
4. the method as described in claims 1 to 3 any claim, which is characterized in that each tunnel in the M tunnel
A corresponding virtual application processor VAP network；
The wireless network conversion module receives the pending data that terminal is sent, according to the IP of the IP of preset terminal and tunnel
Corresponding relationship, determine the IP in the corresponding tunnel the IP of the terminal, comprising:
The wireless network conversion module receives the end by a VAP network in the corresponding VAP network in the M tunnel
Hold the pending data sent；
The wireless network conversion module determines the terminal according to the corresponding relationship of IP and the VAP network of preset terminal
The VAP network that is correspondingly connected with of IP；
The wireless network conversion module determines the VAP net according to the corresponding relationship of preset VAP network and the IP in tunnel
The IP in the corresponding tunnel of network.
5. method as claimed in claim 4, which is characterized in that the wireless network conversion module receive that terminal sends wait locate
Before reason data, further includes:
The wireless network conversion module receives the IP in the M tunnel that the AC is issued；
The wireless network conversion module is according to the IP in M tunnel creation and IP one-to-one M of the M tunnel
Tunnel；
The wireless network conversion module is established and the one-to-one M VAP net in the M tunnel according to the M tunnel
Network；
The wireless network conversion module establishes the corresponding relationship of the IP in the M VAP network and the M tunnel, obtains institute
State the corresponding relationship of the IP in preset VAP network and the tunnel.
6. method as claimed in claim 5, which is characterized in that the wireless network conversion module receive that terminal sends wait locate
Before reason data, further includes:
The wireless network conversion module receives the IP and the wireless network modulus of conversion at least one terminal that the AC is issued
The IP of block；Wherein, the IP of the IP of each terminal in the IP of at least one terminal and the wireless network conversion module
Belong to the same subnet；
The IP of a terminal in the IP of at least one terminal is set the terminal by the wireless network conversion module
IP；The IP of the wireless network conversion module is set to the IP of itself, so that the wireless network conversion module is in determination
In the case where needing to push local information to the terminal, Xiang Suoshu terminal pushes the local information.
7. a kind of pending data transmission method based on wireless network, which is characterized in that suitable for including the wireless of M tunnel
Network conversion module；Centralized Controller AC is set between the wireless network conversion module and internet；The M be greater than etc.
In 1 integer；The described method includes:
The AC receives data after the encapsulation that the wireless network conversion module is sent；Wherein, data are described after the encapsulation
Wireless network conversion module receives the pending data that terminal is sent, according to the network protocol IP of the preset terminal and IP in tunnel
Corresponding relationship, determine the IP in the corresponding tunnel the IP of the terminal；Wherein, the source address in the pending data includes
The IP of the terminal；The wireless network conversion module determines the tunnel port mark in the tunnel；The wireless network turns
Change the mold the IP and tunnel port mark in block tunnel described in the pending data outer enclosure；The wireless network conversion
Module determines the tunnel instruction information for being able to indicate that the IP in the tunnel, wherein the tunnel according to the IP in the tunnel
Indicate that information includes the corresponding network address translation NAT mapped port mark of IP in the tunnel；The wireless network modulus of conversion
The corresponding relationship that root tuber is identified according to IP and the NAT mapped port in preset tunnel determines the described of the IP mapping in the tunnel
NAT mapped port mark；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；The wireless network conversion module will
The IP in the tunnel replaces with the LTE interface IP of the wireless network conversion module, and tunnel port mark is replaced with institute
NAT mapped port mark is stated, is obtained；
The AC parses data after the encapsulation, obtains the IP of tunnel the instruction information and the terminal；
The AC decapsulates the data after the encapsulation, and the pending data obtained after decapsulation is forwarded
To internet.
8. the method for claim 7, which is characterized in that the tunnel instruction information includes the IP in the tunnel corresponding
Network address translation NAT mapped port mark；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds.
9. method as claimed in claim 7 or 8, which is characterized in that the AC receives the wireless network conversion module and sends
Encapsulation after before data, further includes:
The AC determine receive that the wireless network conversion module sends for after applying for the request of IP in tunnel, to
The wireless network conversion module issues the IP in M tunnel；
Wherein, the IP in the M tunnel is used for: make the wireless network conversion module according to the IP in the M tunnel creation with
The one-to-one M tunnel the IP in the M tunnel；According to the M tunnel, establish and the one-to-one M in M tunnel
A virtual application processor VAP network；The corresponding relationship for establishing the IP in the M VAP network and the M tunnel, obtains institute
State the corresponding relationship of the IP in preset VAP network and the tunnel.
10. method as claimed in claim 9, which is characterized in that the AC receives the wireless network modulus of conversion in determination
After the request of IP for applying for tunnel that block is sent, further includes:
The AC issues the IP and the wireless network conversion module of at least one terminal to the wireless network conversion module
IP；
Wherein, the IP of each terminal in the IP of at least one terminal and the IP of the wireless network conversion module belong to
The same subnet；
Wherein, the IP of the IP of at least one terminal and the wireless network conversion module is used for: turning the wireless network
Mold changing block sets the IP of a terminal in the IP of at least one terminal to the IP of the terminal；By the wireless network
The IP of conversion module is set as the IP of itself, so that the wireless network conversion module is determining needs to terminal push originally
In the case where ground information, Xiang Suoshu terminal pushes the local information.
11. a kind of pending data transmission method based on wireless network, which is characterized in that suitable for the nothing including M tunnel
Line network conversion module；Centralized Controller AC is set between the wireless network conversion module and the internet；The M is
Integer more than or equal to 1；The described method includes:
The wireless network conversion module receives data after the encapsulation that AC is sent；Wherein, data are that the AC connects after the encapsulation
After the pending data for receiving the network protocol IP including terminal, according to pair of the IP of preset terminal and tunnel instruction information
It should be related to, determine the corresponding tunnel instruction information of the IP of the terminal, wherein tunnel instruction information includes network address
NAT mapped port mark is converted, and the tunnel described in the pending data outer enclosure indicates what information obtained；
The wireless network conversion module parses data after the encapsulation, determines that the NAT for including in data after the encapsulation reflects
Penetrate port-mark；
The corresponding relationship that the wireless network conversion module is identified according to IP and the NAT mapped port in preset tunnel, is determined
The IP in the corresponding tunnel of the NAT mapped port；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；
The wireless network conversion module decapsulates data after the encapsulation, and obtain including in data after the encapsulation is described
Pending data；
The tunnel indicated by the IP that the pending data is passed through the tunnel by the wireless network conversion module forwards
To the terminal.
12. method as claimed in claim 11, which is characterized in that corresponding one of each tunnel in the M tunnel is virtual
Application processor VAP network；
The pending data is transmitted to the terminal by the tunnel by the wireless network conversion module, comprising:
The wireless network conversion module determines the tunnel according to the corresponding relationship of preset VAP network and the IP in tunnel
The corresponding VAP network of IP；
The wireless network conversion module gives the pending data to the terminal by the VAP forwarded.
13. a kind of pending data transmission method based on wireless network, which is characterized in that suitable for the nothing including M tunnel
Line network conversion module；The M is the integer more than or equal to 1；The described method includes:
Centralized Controller AC receives the pending data that internet is sent；Wherein, the destination address packet in the pending data
Include the network protocol IP of terminal；
The AC obtains the IP of the terminal, and the corresponding relationship identified according to IP and the NAT mapped port of preset terminal, really
The corresponding NAT mapped port of IP for making the terminal obtains the corresponding tunnel instruction information of IP of the terminal, wherein
The tunnel instruction information includes network address translation NAT mapped port mark；
Wherein, the NAT mapped port is used for: reflecting the wireless network conversion module according to the IP and NAT in preset tunnel
The corresponding relationship for penetrating port-mark, determines the IP in the corresponding tunnel of the NAT mapped port, and by data solution after the encapsulation
After encapsulation, the obtained pending data is transmitted to the terminal by the tunnel that the IP in the tunnel is identified；Its
In, IP and the NAT mapped port in tunnel, which identify, to be corresponded；
The tunnel described in the pending data outer enclosure the AC indicates information, data after being encapsulated；
Data after the encapsulation are sent to the wireless network conversion module by the AC；Wherein, data are used for after the encapsulation:
The wireless network conversion module is set to determine tunnel indicated by tunnel instruction information, and by data solution after the encapsulation
After encapsulation, the obtained pending data is transmitted to the terminal by the tunnel.
14. method as claimed in claim 13, which is characterized in that AC tunnel described in the pending data outer enclosure
Road indicates information, data after being encapsulated, comprising:
The tunnel described in the pending data outer enclosure the AC indicates information；
The AC is greater than length threshold in the length for the pending data for determining the instruction of tunnel described in outer enclosure information
In the case of, the tunnel described in outer enclosure indicates that the pending data of information carries out fragment processing, after obtaining multiple encapsulation
Sub- pending data；Wherein, after each encapsulation after the multiple encapsulation in sub- pending data sub- pending data outside
Encapsulate the tunnel instruction information；Wherein the length of sub- pending data is less than the length threshold after each encapsulation；
Sub- pending data after the multiple encapsulation is determined as data after the encapsulation by the AC.
15. method as claimed in claim 14, which is characterized in that corresponding one of each tunnel in the M tunnel is virtual
Application processor VAP network；The tunnel instruction information further includes the corresponding virtual LAN VLAN of mark of the VAP network
Stem；
The corresponding relationship that the AC is identified according to IP and the NAT mapped port of preset terminal, IP pairs for determining the terminal
The NAT mapped port answered obtains the corresponding tunnel instruction information of IP of the terminal, comprising:
The corresponding relationship that the AC is identified according to IP and the NAT mapped port of preset terminal, IP pairs for determining the terminal
The NAT mapped port answered；
The AC determines the corresponding VAP net of the IP of the terminal according to the corresponding relationship of IP and the VAP network of preset terminal
Network；The AC determines that the corresponding VLAN of the VAP network is first according to the corresponding relationship of preset VAP network and VLAN stem
Portion；
The corresponding tunnel of IP that the obtained NAT mapped port and the VLAN stem are determined as the terminal by the AC
Road indicates information.
16. a kind of wireless network conversion module that the data for wireless network are transmitted, which is characterized in that the wireless network turns
Changing the mold block includes M tunnel；Centralized Controller AC is set between the wireless network conversion module and internet；The M is
Integer more than or equal to 1；The wireless network conversion module includes:
Receiving unit, for receiving the pending data of terminal transmission；Wherein, the source address in the pending data includes institute
State the IP of terminal；
Processing unit determines the end for the corresponding relationship according to the IP of the network protocol IP and tunnel of preset terminal
The IP in the corresponding tunnel the IP at end；According to the IP in the tunnel, the tunnel instruction for being able to indicate that the IP in the tunnel is determined
Information, wherein instruction information in the tunnel includes the corresponding network address translation NAT mapped port mark of IP in the tunnel；Also
For determining that the tunnel port in the tunnel identifies；The IP and the tunnel in the tunnel described in the pending data outer enclosure
Road port-mark；According to the corresponding relationship of the IP in preset tunnel and NAT mapped port mark, determine that the IP in the tunnel reflects
The NAT mapped port mark penetrated；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；By the IP in the tunnel
Tunnel port mark is replaced with the NAT mapped port by the LTE interface IP for replacing with the wireless network conversion module
Mark, obtains data after the encapsulation；
Transmission unit, for data after the encapsulation to be sent to AC；Wherein, data are used for after the encapsulation: making described AC pairs
After the encapsulation after data decapsulation, the IP of the terminal is parsed from the obtained pending data, and will be described
Pending data is transmitted to internet.
17. wireless network conversion module as claimed in claim 16, which is characterized in that each tunnel in the M tunnel
A corresponding virtual application processor VAP network；The tunnel instruction information further includes the corresponding virtual local area of the VAP network
Net VLAN stem；
The processing unit, is used for:
Determine the mark for the corresponding VAP network in tunnel that the IP in the tunnel is identified；
According to the corresponding relationship of preset VAP network and VLAN stem, the corresponding VLAN stem of the VAP network is determined；
The VLAN stem described in the pending data outer enclosure；
The IP in the tunnel described in the pending data outer enclosure for encapsulating the VLAN stem and tunnel port mark.
18. wireless network conversion module as claimed in claim 16, which is characterized in that the processing unit is used for:
The IP in the tunnel described in the pending data outer enclosure and tunnel port mark；
It is greater than length in the length for the pending data that the IP for determining tunnel described in outer enclosure and the tunnel port are identified
In the case where spending threshold value, the pending data of the IP in the tunnel described in outer enclosure and tunnel port mark is divided
Piece processing, obtains sub- pending data after multiple encapsulation；
The IP in the tunnel in sub- pending data after the multiple encapsulation is replaced with into the wireless network conversion module
Tunnel port mark is replaced with the NAT mapped port and identified, obtains data after the encapsulation by LTE interface IP；Wherein
The length of sub- pending data is less than the length threshold after each encapsulation.
19. wireless network conversion module as claimed in claim 16, which is characterized in that the receiving unit is also used to:
Receive the IP at least one terminal that the AC is issued and the IP of the wireless network conversion module；Wherein, it is described at least
The IP of the IP of each terminal in the IP of one terminal and the wireless network conversion module belongs to the same subnet；
The processing unit, is also used to:
Set the IP of a terminal in the IP of at least one terminal to the IP of the terminal；The wireless network is turned
The IP of mold changing block is set as the IP of itself, so that the wireless network conversion module is determining that needs are local to terminal push
In the case where information, Xiang Suoshu terminal pushes the local information.
20. a kind of Centralized Controller AC that the pending data for wireless network is transmitted, which is characterized in that be suitable for including M
The wireless network conversion module in a tunnel；AC is set between the wireless network conversion module and internet；The M be greater than
Integer equal to 1；The AC includes:
Receiving unit, data after the encapsulation for receiving the wireless network conversion module transmission；Wherein, data after the encapsulation
It is the pending data that the wireless network conversion module receives that terminal is sent, according to the network protocol IP and tunnel of preset terminal
The corresponding relationship of the IP in road determines the IP in the corresponding tunnel the IP of the terminal；Wherein, source in the pending data
Location includes the IP of the terminal；The wireless network conversion module determines the tunnel port mark in the tunnel；It is described wireless
The IP in network conversion module tunnel described in the pending data outer enclosure and tunnel port mark；The wireless network
Network conversion module determines the tunnel instruction information for being able to indicate that the IP in the tunnel, wherein institute according to the IP in the tunnel
State the corresponding network address translation NAT mapped port mark of IP that instruction information in tunnel includes the tunnel；The wireless network
The corresponding relationship that conversion module is identified according to IP and the NAT mapped port in preset tunnel determines the IP mapping in the tunnel
The NAT mapped port mark；Wherein, IP and the NAT mapped port in tunnel, which identify, corresponds；The wireless network conversion
The IP in the tunnel is replaced with the LTE interface IP of the wireless network conversion module by module, and tunnel port mark is replaced
It is changed to the NAT mapped port mark, is obtained；
Processing unit obtains the IP of tunnel the instruction information and the terminal for parsing data after the encapsulation；
Transmission unit for decapsulating to the data after the encapsulation, and will obtain described to be processed after decapsulation
Data forwarding is to internet.
21. AC as claimed in claim 20, which is characterized in that the transmission unit is also used to:
The IP of at least one terminal and the IP of the wireless network conversion module are issued to the wireless network conversion module；
Wherein, the IP of each terminal in the IP of at least one terminal and the IP of the wireless network conversion module belong to
The same subnet；
Wherein, the IP of the IP of at least one terminal and the wireless network conversion module is used for: turning the wireless network
Mold changing block sets the IP of a terminal in the IP of at least one terminal to the IP of the terminal；By the wireless network
The IP of conversion module is set as the IP of itself, so that the wireless network conversion module is determining needs to terminal push originally
In the case where ground information, Xiang Suoshu terminal pushes the local information.
22. a kind of wireless network conversion module that the pending data for wireless network is transmitted, which is characterized in that described wireless
Network conversion module includes M tunnel；Centralized Controller is set between the wireless network conversion module and the internet
AC；The M is the integer more than or equal to 1；The wireless network conversion module includes:
Receiving unit, data after the encapsulation for receiving AC transmission；Wherein, after the encapsulation data be the AC receive including
After the pending data of the network protocol IP of terminal, the corresponding relationship of information is indicated according to the IP of preset terminal and tunnel,
The corresponding tunnel instruction information of the IP of the terminal is determined, wherein tunnel instruction information includes network address translation NAT
Mapped port mark, and the tunnel described in the pending data outer enclosure indicates what information obtained；
Processing unit determines tunnel indicated by the tunnel instruction information for parsing data after the encapsulation；It will be described
Data decapsulate after encapsulation, obtain the pending data for including in data after the encapsulation；It is also used to determine the envelope
The NAT mapped port mark for including in data after dress；The corresponding pass identified according to the IP in preset tunnel with NAT mapped port
System, determines the IP in the corresponding tunnel of the NAT mapped port；Wherein, IP and NAT the mapped port mark one in tunnel is a pair of
It answers；
Transmission unit, for the tunnel indicated by IP of the pending data by the tunnel to be transmitted to the end
End.
23. a kind of Centralized Controller AC that the pending data for wireless network is transmitted, which is characterized in that be suitable for including M
The wireless network conversion module in a tunnel；The M is the integer more than or equal to 1；The AC includes:
Receiving unit, for receiving the pending data of internet transmission；Wherein, the destination address packet in the pending data
Include the network protocol IP of terminal；
Processing unit, for obtaining the IP of the terminal, and according to the corresponding pass of the IP of preset terminal and tunnel instruction information
System determines the corresponding tunnel instruction information of the IP of the terminal, wherein tunnel instruction information includes network address translation
NAT mapped port mark；The tunnel described in the pending data outer enclosure indicates information, data after being encapsulated；Also use
In the corresponding relationship identified according to IP and the NAT mapped port of preset terminal, determine that the corresponding NAT of the IP of the terminal reflects
Port is penetrated, the corresponding tunnel instruction information of IP of the terminal is obtained；
Wherein, the NAT mapped port is used for: reflecting the wireless network conversion module according to the IP and NAT in preset tunnel
The corresponding relationship for penetrating port-mark, determines the IP in the corresponding tunnel of the NAT mapped port, and by data solution after the encapsulation
After encapsulation, the obtained pending data is transmitted to the terminal by the tunnel that the IP in the tunnel is identified；Its
In, IP and the NAT mapped port in tunnel, which identify, to be corresponded；
Transmission unit, for data after the encapsulation to be sent to the wireless network conversion module；Wherein, number after the encapsulation
According to being used for: so that the wireless network conversion module is determined tunnel indicated by the tunnel instruction information, and by the encapsulation
Afterwards after data decapsulation, the obtained pending data is transmitted to the terminal by the tunnel.
24. AC as claimed in claim 23, which is characterized in that virtually answer in corresponding one of each tunnel in the M tunnel
With processor VAP network；The tunnel instruction information further includes that the corresponding virtual LAN VLAN of mark of the VAP network is first
Portion；
The processing unit, is used for:
According to the corresponding relationship of the IP of preset terminal and NAT mapped port mark, the corresponding NAT of the IP of the terminal is determined
Mapped port；
According to the corresponding relationship of the IP of preset terminal and VAP network, the corresponding VAP network of the IP of the terminal is determined；Institute
AC is stated according to the corresponding relationship of preset VAP network and VLAN stem, determines the corresponding VLAN stem of the VAP network；
The corresponding tunnel instruction of the IP that the obtained NAT mapped port and the VLAN stem are determined as the terminal
Information.
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| CN113923707B (en) * | 2021-12-10 | 2022-04-05 | 中移(上海)信息通信科技有限公司 | Terminal monitoring method, device, network equipment, control system and terminal |
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