CN106789534A - 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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- CN106789534A CN106789534A CN201611230001.0A CN201611230001A CN106789534A CN 106789534 A CN106789534 A CN 106789534A CN 201611230001 A CN201611230001 A CN 201611230001A CN 106789534 A CN106789534 A CN 106789534A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
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- 238000005538 encapsulation Methods 0.000 claims description 156
- 238000012545 processing Methods 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 238000013507 mapping Methods 0.000 claims description 20
- 238000013519 translation Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 14
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- 238000004590 computer program Methods 0.000 description 7
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- 238000009826 distribution Methods 0.000 description 6
- 241001269238 Data Species 0.000 description 5
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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]
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- 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
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- Computer Networks & Wireless Communication (AREA)
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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 used to realize that Wi Fi turn the terminal of the access Wi Fi in LTE scenes and are managed and monitor.In the embodiment of the present invention, IP and the corresponding relation of the procotol IP in tunnel according to default terminal determine the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, the tunnel configured information of the IP for being able to indicate that tunnel is determined；In pending data outer enclosure tunnel configured information, data after being encapsulated；Data is activation is to AC after encapsulating.The tunnel configured information by the outer enclosure of data transmitted in terminal and internet, therefore AC can determine the IP of the terminal corresponding to the data transmitted between the terminal and internet for receiving, so that AC can be managed and monitor to the corresponding information of the IP of terminal.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of data transmission method and dress based on wireless network
Put.
Background technology
With Long Term Evolution (Long Term Evolution, abbreviation LTE) the deep development of technology and entering for LTE speed
One step is improved and stablized, 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 turns at a high speed access electricity with it with stabilization
The only choosing of letter operator backbone network, and Wi-Fi also highlights its convenient, unaware as the region overlay scheme of LAN
Connection, the features such as flow is insensitive.Therefore the public place requirement such as increasing scenic spot, market Wi-Fi coverings.
In concrete application, the terminal of user is accessed in the Wi-Fi network that current region is covered, and connects mutual by LTE
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, the connection for realizing Wi-Fi and LTE network.
In such scheme, because LTE does not turn LTE equipment and is typically to the management interface of Wi-Fi terminals, and Wi-Fi
Three-layer equipment, terminal-pair LTE sides are invisible, that is to say, that LTE sides cannot perceive the terminal for accessing Wi-Fi, and then cannot dock
The terminal for entering Wi-Fi is managed and monitors.
The content of the invention
The embodiment of the present invention provides a kind of data transmission method and device based on wireless network, is used to realize that Wi-Fi turns
The terminal of the access Wi-Fi in LTE scenes is managed and monitors.
The embodiment of the present invention provides a kind of data transmission method based on wireless network, it is adaptable to including the M nothing in tunnel
Line network conversion module；Centralized Controller AC is set between wireless network modular converter and internet；M is more than or equal to 1
Integer；Method includes：The pending data that wireless network modular converter receiving terminal sends, the network association according to default terminal
View IP and the corresponding relation of the IP in tunnel, determine the IP in the corresponding tunnels of IP of terminal；Wherein, the source ground in pending data
Location includes the IP of terminal；Wireless network modular converter determines that the tunnel of the IP for being able to indicate that tunnel refers to according to the IP in tunnel
Show information；Wireless network modular converter is in pending data outer enclosure tunnel configured information, data after being encapsulated；Wireless network
Network modular converter is by data is activation after encapsulation to AC；Wherein, data are used for after encapsulation：AC is set to decapsulate it to data after encapsulation
Afterwards, the IP of terminal is parsed from the pending data for obtaining, and pending data is transmitted to internet.
Alternatively, tunnel configured information includes the corresponding network address translation NAT mapped ports marks of the IP in tunnel；Wirelessly
Network conversion module in pending data outer enclosure tunnel configured information, data after being encapsulated, including：Wireless network is changed
Module determines the tunnel port mark in tunnel；IP and tunnel of the wireless network modular converter in pending data outer enclosure tunnel
Road port-mark；The corresponding relation that wireless network modular converter is identified according to IP and the NAT mapped port in default tunnel, it is determined that
Go out the NAT mapped ports mark of the IP mappings in tunnel；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；Wireless network
The IP in tunnel is replaced with network modular converter the LTE interface IP of wireless network modular converter, and tunnel port mark is replaced with into NAT
Mapped port is identified, data after being encapsulated.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Tunnel configured information
Also include the corresponding virtual LAN VLAN stem of VAP networks；Wireless network modular converter is in pending data outer enclosure tunnel
IP and the tunnel port mark in road, including：Wireless network modular converter determines the corresponding VAP in tunnel that the IP in tunnel is identified
The mark of network；Wireless network modular converter determines VAP nets according to default VAP networks and the corresponding relation of VLAN stems
The corresponding VLAN stems of network；Wireless network modular converter is in pending data outer enclosure VLAN stems；Wireless network modulus of conversion
IP and tunnel port of the block in the pending data outer enclosure tunnel of packaging V LAN stems are identified.
Alternatively, IP and tunnel port of the wireless network modular converter in pending data outer enclosure tunnel are identified, bag
Include：IP and tunnel port of the wireless network modular converter in pending data outer enclosure tunnel are identified；Wireless network modulus of conversion
Block it is determined that outer enclosure tunnel IP and tunnel port mark pending data length more than in the case of length threshold,
The pending data of IP and the tunnel port mark to outside encapsulation tunnel carries out burst treatment, and son is waited to locate after obtaining multiple encapsulation
Reason data；The IP in tunnel is replaced with wireless network modular converter the LTE interface IP of wireless network modular converter, by tunnel port
Mark replaces with NAT mapped ports and identifies, data after being encapsulated, including：Wireless network modular converter will be sub after multiple encapsulation
The IP in the tunnel in pending data replaces with the LTE interface IP of wireless network modular converter, and tunnel port mark is replaced with
NAT mapped ports are identified, data after being encapsulated；Wherein the length of sub- pending data is less than length threshold after each encapsulation.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；
The pending data that wireless network modular converter receiving terminal sends, the IP of IP and tunnel according to default terminal
Corresponding relation, determine the IP in the corresponding tunnels of IP of terminal, including：Wireless network modular converter is by M tunnel correspondence
VAP networks in a VAP networks receiving terminal send pending data；Wireless network modular converter is according to default end
The corresponding relation of IP and the VAP network at end, determines the VAP networks of the IP correspondence connections of terminal；Wireless network modulus of conversion root tuber
According to default VAP networks and the corresponding relation of the IP in tunnel, the IP in the corresponding tunnel of VAP networks is determined.
Alternatively, before the pending data that wireless network modular converter receiving terminal sends, also include：
Wireless network modular converter receives the IP in the M tunnel that AC is issued；Wireless network modular converter is according to M tunnel
IP creates the one-to-one M tunnel of IP with M tunnel；Wireless network modular converter is set up and M tunnel according to M tunnel
The one-to-one M VAP networks in road；Wireless network modular converter sets up M VAP network and the M corresponding relation of the IP in tunnel,
Obtain the corresponding relation of default VAP networks and the IP in tunnel.
Alternatively, before the pending data that wireless network modular converter receiving terminal sends, also include：Wireless network turns
Mold changing block receives the IP of at least one terminal that AC is issued, and wireless network modular converter IP；Wherein, the IP of multiple terminals
In the IP of each terminal and the IP of wireless network modular converter belong to same subnet；Wireless network modular converter will at least one
The IP of a terminal in the IP of individual terminal is set to the IP of terminal；The IP of wireless network modular converter is set to itself
IP, so that wireless network modular converter is in the case of it is determined that need to push local information to terminal, local letter is pushed to terminal
Breath.
The embodiment of the present invention provides a kind of pending data transmission method based on wireless network, it is adaptable to including M tunnel
The wireless network modular converter in road；Centralized Controller AC is set between wireless network modular converter and internet；M be more than etc.
In 1 integer；Method includes：AC receives data after the encapsulation that wireless network modular converter sends；Wherein, data are nothings after encapsulation
The pending data that line network conversion module receiving terminal sends, the procotol IP according to default terminal is with the IP's in tunnel
Corresponding relation, determines the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, determine the IP's that is able to indicate that tunnel
Tunnel configured information；In pending data outer enclosure tunnel, configured information is obtained；Wherein, the source address in pending data
IP including terminal；Data after AC parsing encapsulation, obtain the IP of tunnel configured information and terminal；AC is carried out to 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, it is adaptable to including M tunnel
The wireless network modular converter in road；Centralized Controller AC is set between wireless network modular converter and internet；M be more than etc.
In 1 integer；Method includes：Wireless network modular converter receives data after the encapsulation that AC sends；Wherein, data are AC after encapsulation
After receiving the pending data of the procotol IP including terminal, IP and tunnel configured information according to default terminal
Corresponding relation, determines the corresponding tunnel configured informations of IP of terminal, and in pending data outer enclosure tunnel, configured information is obtained
Arrive；Data after the parsing encapsulation of wireless network modular converter, determine the tunnel indicated by tunnel configured information；Wireless network turns
Data are decapsulated after mold changing block will be encapsulated, the pending data that data include after being encapsulated；Wireless network modular converter 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, it is adaptable to including M tunnel
The wireless network modular converter in road；M is the integer more than or equal to 1；Method includes：Centralized Controller AC receives what internet sent
Pending data；Wherein, the destination address in pending data includes the procotol IP of terminal；AC obtains the IP of terminal, and
IP and the corresponding relation of tunnel configured information according to default terminal, determine the corresponding tunnel configured informations of IP of terminal；
AC is in pending data outer enclosure tunnel configured information, data after being encapsulated；AC will encapsulate after data is activation to wireless network
Network modular converter；Wherein, data are used for after encapsulation：Wireless network modular converter is set to determine the tunnel indicated by tunnel configured information
Road, and will encapsulation after data decapsulation after, the pending data that will be obtained is transmitted to terminal by tunnel.
The embodiment of the present invention provides a kind of wireless network modular converter of data transfer for wireless network, wireless network
Modular converter includes M tunnel；Centralized Controller AC is set between wireless network modular converter and internet；M be more than etc.
In 1 integer；Wireless network modular converter includes：Receiving unit, for the pending data that receiving terminal sends；Wherein, treat
Source address in processing data includes the IP of terminal；Processing unit, for procotol IP and tunnel according to default terminal
IP corresponding relation, determine the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, determine and be able to indicate that tunnel
IP tunnel configured information；In pending data outer enclosure tunnel configured information, data after being encapsulated；Transmitting element,
Data is activation is to AC after for that will encapsulate；Wherein, data are used for after encapsulation：After making AC to data decapsulation 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 of the pending data transmission for wireless network, it is adaptable to
Including the M wireless network modular converter in tunnel；AC is set between wireless network modular converter and internet；M be more than etc.
In 1 integer；AC includes：Receiving unit, for data after the encapsulation for receiving the transmission of wireless network modular converter；Wherein, encapsulate
Data are the pending datas that wireless network modular converter receiving terminal sends afterwards, procotol IP according to default terminal with
The corresponding relation of the IP in tunnel, determines the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, determine and be able to indicate that
The tunnel configured information of the IP in tunnel；In pending data outer enclosure tunnel, configured information is obtained；Wherein, pending data
In source address including terminal IP；Processing unit, for parsing data after encapsulation, obtains tunnel configured information and terminal
IP；Transmitting element, for being decapsulated to the data after encapsulation, and the pending data obtained after decapsulation is transmitted to
Internet.
The embodiment of the present invention provides a kind of wireless network modular converter of the pending data transmission for wireless network, nothing
Line network conversion module includes M tunnel；Centralized Controller AC is set between wireless network modular converter and internet；M is
Integer more than or equal to 1；Wireless network modular converter includes：Receiving unit, for data after the encapsulation for receiving AC transmissions；Its
In, after data are the pending data that AC receives the procotol IP including terminal after encapsulation, according to default terminal
IP and the corresponding relation of tunnel configured information, determine the corresponding tunnel configured informations of IP of terminal, outside pending data
Encapsulation tunnel configured information is obtained；Processing unit, for data after parsing encapsulation, determines indicated by tunnel configured information
Tunnel；Data decapsulation, the pending data that data include after being encapsulated after encapsulating；Transmitting element, for that will wait to locate
Reason data are transmitted to terminal by tunnel.
The embodiment of the present invention provides a kind of Centralized Controller AC of the pending data transmission for wireless network, it is adaptable to
Including the M wireless network modular converter in tunnel；M is the integer more than or equal to 1；AC includes：Receiving unit, interconnects for receiving
Net the pending data for sending；Wherein, the destination address in pending data includes the procotol IP of terminal；Processing unit,
IP for obtaining terminal, and IP and the corresponding relation of tunnel configured information according to default terminal, determine the IP of terminal
Corresponding tunnel configured information；In pending data outer enclosure tunnel configured information, data after being encapsulated；Transmitting element,
Data is activation gives wireless network modular converter after for that will encapsulate；Wherein, data are used for after encapsulation：Make wireless network modular converter
Determine the tunnel indicated by tunnel configured information, and will be after encapsulation after data decapsulation, the pending data that will be obtained is led to
Cross tunnel and be transmitted to terminal.
In the embodiment of the present invention, it is adaptable to including the M wireless network modular converter in tunnel；In wireless network modular converter
Centralized Controller AC is set and internet between.The pending data that wireless network modular converter receiving terminal sends, according to pre-
If terminal IP and tunnel procotol IP corresponding relation, determine the IP in the corresponding tunnels of IP of terminal；Wherein, treat
Source address in processing data includes the IP of terminal；According to the IP in tunnel, determine that the tunnel of the IP for being able to indicate that tunnel refers to
Show information；In pending data outer enclosure tunnel configured information, data after being encapsulated；Data is activation is to AC after encapsulating.
Due to being provided with multiple tunnels in the embodiment of the present invention in wireless network modular converter, and transmitted by between tunnel and terminal
Data, the further tunnel configured information by the outer enclosure of data transmitted in terminal and internet again, therefore AC can
To determine the IP of the terminal corresponding to the data transmitted between the terminal and internet that receive, it is achieved thereby that terminal
IP to the visible purpose in LTE sides, AC the corresponding information of the IP of terminal can be managed and be monitored.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying 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 schematic flow sheet of data transmission method based on wireless network provided in an embodiment of the present invention；
Fig. 2 a are a kind of communication system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 b are that the structure of the first pending data that a kind of terminal provided in an embodiment of the present invention is sent to internet is shown
It is intended to；
Fig. 2 c are the structural representation after being packaged to first pending data of Fig. 2 b；
Fig. 2 d are that the structural representation after NAT source port mappings is carried out to Fig. 2 c；
Fig. 2 e are a kind of schematic flow sheet of data transmission method based on wireless network provided in an embodiment of the present invention；
Fig. 2 f are that the structure of the second pending data that a kind of internet provided in an embodiment of the present invention is sent to terminal is shown
It is intended to；
Fig. 2 g are the structural representation after being packaged to second pending data of Fig. 2 f；
Fig. 2 h are that the structural representation after NAT source port mappings is carried out to Fig. 2 g；
Fig. 3 is a kind of wireless network modular converter of data transfer for wireless network provided in an embodiment of the present invention
Structural representation；
Fig. 4 is a kind of structural representation of the AC of data transfer for wireless network provided in an embodiment of the present invention；
Fig. 5 is a kind of wireless network modular converter of data transfer for wireless network provided in an embodiment of the present invention
Structural representation；
Fig. 6 is a kind of structural representation of the AC of data transfer for wireless network provided in an embodiment of the present invention.
Specific embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with accompanying 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 the schematic architectural diagram using a kind of communication system of the embodiment of the present invention.As shown in figure 1, this is logical
Letter system can include one or more terminals, such as terminal 1001, terminal 1002 etc. in figure, terminal are accessed by wireless network
Wireless network modular converter 1003, wireless network modular converter 1003 is connected with base station 1004, base station 1004 and core net evolution
The connection of packet switching center (Evolved Packet Core, abbreviation EPC) 1005, core net EPC1005 and Centralized Controller
(Access Controller, abbreviation AC) 1006 is connected, and Centralized Controller AC1006 is connected to internet 1007.AC1006
Transmitted to the Egress node of internet 1007 in the rear end of EPC1005, i.e. LTE network.
AC1006 can be arranged between EPC1005 and internet 1007 in the embodiment of the present invention, alternatively, also can be integrated
In EPC1005.
Terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and in the embodiment of the present invention
Individual 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, radio communication set
Standby, user agent or user's set.Access terminal can be cell phone, wireless phone, session initiation protocol (Session
Initiation Protocol, abbreviation SIP) phone, WLL (Wireless Local Loop, abbreviation WLL) stand,
Personal digital assistant (Personal Digital Assistant, abbreviation PDA), the handheld device with radio communication function,
Computing device is connected to other processing equipments, mobile unit, the wearable device of radio modem, in following 5G networks
Terminal device etc..
Wireless network modular converter in the embodiment of the present invention has the function of setting Wi-Fi network, can realize Wi-Fi
Conversion between network and LTE network, can be single equipment, can also be integrated in existing router, cpe device.
Base station 1004 (Base Transceiver Station, abbreviation BTS) in the embodiment of the present invention, Ke Yishi
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 the network equipment in the network side equipment or the PLMN networks of following evolution in future 5G networks 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 the framework shown in Fig. 1, data can be transmitted between terminal and internet, transmitting procedure 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
State, the scheme to the embodiment of the present invention is discussed in detail below.
Fig. 2 illustrates a kind of flow of data transmission method based on wireless network provided in an embodiment of the present invention
Schematic diagram.
Based on the system architecture shown in Fig. 1, as shown in Fig. 2 wireless network modular converter side provided in an embodiment of the present invention
The data transmission method based on wireless network realized, the method is applied to includes the M wireless network modular converter in tunnel, and
Centralized Controller AC is set between wireless network modular converter and internet.The transmitting procedure of the method description is to be passed 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 is comprised the following steps：
Step 2001, the first pending data that wireless network modular converter receiving terminal sends, according to default terminal
IP and tunnel procotol IP corresponding relation, determine the IP in the corresponding tunnels of IP of terminal；Wherein, first is pending
Source address in data includes the IP of terminal；
Step 2002, wireless network modular converter determines the tunnel of the IP for being able to indicate that tunnel according to the IP in tunnel
Configured information；
Step 2003, wireless network modular converter is sealed in the first pending data outer enclosure tunnel configured information
Data after dress；
Step 2004, wireless network modular converter is by data is activation after encapsulation to AC；Wherein, data are used for after encapsulation：Make
After AC is to data decapsulation after encapsulation, the IP of terminal is parsed from the first pending data for obtaining, and first is waited to locate
Reason data forwarding is to internet.AC receives data after the encapsulation that wireless network modular converter sends；Wherein, data are nothings after encapsulation
The first pending data that line network conversion module receiving terminal sends, the IP according to default terminal is corresponding with the IP in tunnel
Relation, determines the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, the tunnel of the IP for being able to indicate that tunnel is determined
Configured information；Obtained in the first pending data outer enclosure tunnel configured information；Wherein, the source in the first pending data
Address includes the IP of terminal；
Step 2005, data after AC parsing encapsulation, obtains the IP of tunnel configured information and terminal；
Step 2006, AC is decapsulated to the data after encapsulation, and the first pending number that will be obtained after decapsulation
According to being transmitted to internet.
In the embodiment of the present invention, due to multiple tunnels are provided with the embodiment of the present invention in wireless network modular converter,
And by transmitting data between tunnel and terminal, further again by the outer enclosure of data transmitted in terminal and internet
Tunnel configured information, therefore AC can determine corresponding to the data transmitted between the terminal and internet for receiving
The IP of terminal, it is achieved thereby that the IP of terminal is to the visible purpose in LTE sides, makes AC to be managed to the corresponding information of the IP of terminal
Reason and monitoring.
Alternatively, wireless network modular converter obtains tunnel address by tunnel control agreement.Alternatively scheme is one kind,
The mode that wireless network modular converter is found using static state or DNS has found finds AC, and sends the IP for applying for tunnel to AC
Request.AC is received after the request of the IP for applying for tunnel, according to configuration, such as according to current network actual conditions,
The M IP in tunnel is issued to wireless network modular converter.
Alternatively, after the encapsulation that AC reception wireless networks modular converter sends before data, also include：AC is it is determined that receive
After the request of the IP for applying for tunnel sent to wireless network modular converter, M is issued to wireless network modular converter
The IP in tunnel；Wherein, the IP in M tunnel is used for：Wireless network modular converter is set to be created and M tunnel according to the M IP in tunnel
The one-to-one M tunnel of IP；According to M tunnel, set up and the M one-to-one M virtual application processor in tunnel
(Virtual Application Processor, abbreviation VAP) network；Set up M VAP network corresponding with M IP in tunnel
Relation, obtains the corresponding relation of default VAP networks and the IP in tunnel.
Correspondingly, alternatively, before the first pending data that wireless network modular converter receiving terminal sends, also wrap
Include：Wireless network modular converter receives the IP in the M tunnel that AC is issued；Wireless network modular converter is according to the M IP wound in tunnel
Build M tunnel one-to-one with the IP in M tunnel；Wireless network modular converter is set up and M tunnel one according to M tunnel
One corresponding M VAP networks；Wireless network modular converter sets up M VAP network and the M corresponding relation of the IP in tunnel, obtains
The corresponding relation of the IP in default VAP networks and tunnel.
Further, alternatively, AC issues the IP of at least one terminal, and wireless network conversion to wireless network modular converter
The IP of module.Wherein, the IP of the IP of at least one terminal and wireless network modular converter is used for：To wireless network modular converter
The IP of a terminal in the IP of at least one terminal is set to the IP of terminal；The IP of wireless network modular converter is set to certainly
The IP of body, so that wireless network modular converter is in the case of it is determined that need to push local information to terminal, this is pushed to terminal
Ground information.Wherein, the IP and the IP of wireless network modular converter of each terminal in the IP of at least one terminal belong to same
Subnet.In this way, being in same subnet for two layers of forwarding relation between wireless network modular converter and VAP networks and with terminal
In, wireless network modular converter can directly push the local information on wireless network modular converter to the terminal for accessing VAP networks.
Correspondingly, alternatively, before the first pending data that wireless network modular converter receiving terminal sends, also wrap
Include：Wireless network modular converter receives the IP of at least one terminal that AC is issued, and wireless network modular converter IP；Wireless network
The IP of a terminal in the IP of at least one terminal is set to network modular converter the IP of terminal；By wireless network modular converter
IP be set to the IP of itself so that wireless network modular converter it is determined that need to terminal push local information in the case of,
Local information is pushed to terminal.In this way, being connected between wireless network modular converter and terminal, wireless network modular converter can be direct
The local information on wireless network modular converter is pushed to the terminal for accessing VAP networks.
Further, alternatively, wireless network modular converter is sent for applying for each corresponding virtual office of VAP networks to AC
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 stems of network, M VLAN stem is issued to wireless network modular converter.Each VAP network correspondence
One VLAN stem.
Further, in the case that terminal accesses VAP networks, the IP of terminal can be registered, so as to obtain terminal
Corresponding relation between IP, VAP network, VLAN stems and the IP in tunnel.Alternatively, VAP networks are corresponded with VLAN stems,
VAP networks are corresponded with the IP in tunnel.One IP of corresponding one or more terminals of VAP networks.
Further, due to nat port mapping can be carried out to the data for entering the NAT network architectures, therefore, the embodiment of the present invention
Middle wireless network modular converter can obtain the correspondence pass between IP, NAT mapped port mark in IP, VAP network of terminal, tunnel
System.Alternatively, tunnel IP and network address translation (Network Address Translation, abbreviation NAT) mapped port mark
Corresponded between knowledge.
AC can obtain IP, VAP network, VLAN stems, IP, NAT mapped port in tunnel of the terminal by number of ways
Corresponding relation between mark, such as, the corresponding relation is sent to AC by wireless network modular converter, or terminal accesses VAP
In the case of network, can be registered, wireless network modular converter sends registration information to AC, so that AC is according to the registration
Information oneself determines the corresponding relation.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Wireless network is changed
The first pending data that module receiving terminal sends, the corresponding relation of the IP and IP in tunnel according to default terminal, it is determined that
Go out the IP in the corresponding tunnels of IP of terminal, including：Wireless network modular converter is by the corresponding VAP networks in M tunnel
The first pending data that individual VAP networks receiving terminal sends；IP and VAP of the wireless network modular converter according to default terminal
The corresponding relation of network, determines the VAP networks of the IP correspondence connections of terminal；Wireless network modular converter is according to default VAP
Network and the corresponding relation of the IP in tunnel, determine the IP in the corresponding tunnel of VAP networks.
Fig. 2 a illustrate a kind of communication system architecture schematic diagram provided in an embodiment of the present invention, as shown in Figure 2 a,
Terminal connection wireless network modular converter 2101, connection AC2102, the AC2102 connection of wireless network modular converter 2101 internet
2103.Data can be transmitted between terminal and internet 2103.
As shown in Figure 2 a, after wireless network modular converter 2101 receives the IP in the M tunnel that AC is issued, M is set up
Tunnel, one IP in tunnel of each tunnel correspondence distribution.As shown in Figure 2 a, M is 3, three of the foundation of wireless network modular converter
Tunnel is respectively tunnel 2104, tunnel 2105 and tunnel 2106.Wireless network modular converter is that each tunnel externally corresponds to release
One VAP network, each VAP network possesses the SSID of oneself, and user may be connected to one of network and be taken using Wi-Fi
Business.Alternatively, tunnel is that the VAP interfaces for relying on VAP networks are present in the embodiment of the present invention, can be with by the ID of VAP interfaces
Uniquely search corresponding tunnel.
In such as Fig. 2 a, the correspondence establishment VAP networks 1 of tunnel 2104, the correspondence establishment VAP networks 2 of tunnel 2105, tunnel 2106
Correspondence establishment VAP networks 3.Each VAP network externally discharges a VAP node.Terminal is turned by VAP network insertions wireless network
Mold changing block, such as terminal 1 and terminal 2 access VAP networks 1, and terminal 3 and terminal 4 access VAP networks 2, and terminal 5 and terminal 6 are accessed
VAP networks 3.
As shown in Figure 2 a, alternatively, wireless network modular converter is also each tunnel distributing other identification informations, such as
Media access control (Medium Access Control, the abbreviation MAC) address in each tunnel distributing tunnel, is each tunnel
Road distribution tunnel port mark, such as be the corresponding velocity modulation distribution tunnel port marks 1 of the IP1 in tunnel, is the IP2 correspondences in tunnel
Velocity modulation distribution tunnel port mark 2, be the IP3 corresponding velocity modulations distribution tunnel port mark 3 in tunnel.
Alternatively, the terminal of VAP networks is accessed, by the corresponding pending data of tunnel transmission first of the VAP networks, M
Each tunnel one virtual application processor VAP network of correspondence in individual tunnel；Tunnel configured information is also including VAP networks correspondence
Virtual LAN VLAN stem.Alternatively, wireless network modular converter determines that the tunnel that the IP in tunnel is identified is corresponding
The mark of VAP networks；Wireless network modular converter determines VAP according to default VAP networks and the corresponding relation of VLAN stems
The corresponding VLAN stems of network；Wireless network modular converter is in the first pending data outer enclosure VLAN stems.
Further, alternatively, first pending data outer enclosure of the wireless network modular converter in packaging V LAN stems
IP and the tunnel port mark in tunnel.Another alternatively scheme, also can be only in the first pending data outer enclosure tunnel
IP and tunnel port are identified.
Alternatively, tunnel configured information includes the corresponding network address translation NAT mapped ports marks of the IP in tunnel.Wirelessly
Network conversion module in pending data outer enclosure tunnel configured information, data after being encapsulated, including：Wireless network is changed
Module determines the tunnel port mark in tunnel；IP and tunnel of the wireless network modular converter in pending data outer enclosure tunnel
Road port-mark.Specifically, the terminal of VAP networks is accessed, by the VAP networks pending number of corresponding tunnel transmission first
According to during the first pending data process of passing through tunnel, wireless network modular converter is in the first pending data outer enclosure tunnel
IP and tunnel port are identified.
After IP and the tunnel port mark in the first pending data outer enclosure tunnel, wireless network modular converter exists
In the case of determining that the length of the pending data of IP and the tunnel port mark in outer enclosure tunnel is more than length threshold, externally
The pending data of IP and the tunnel port mark of portion's encapsulation tunnel carries out burst treatment, obtains sub pending number after multiple encapsulation
According to.
That is, alternatively, due to the IP and tunnel port mark in the tunnel to the first pending data outer enclosure,
Therefore the length of data for obtaining may overlength, now need the requirement that whether it meets link MTU to the data check that obtains,
Data to overlength carry out data fragmentation, and burst can be using external IP layer burst.Son first is waited to locate after being such as divided into two encapsulation
The outside of sub first pending data encapsulates cunicular IP and tunnel port mark after reason data, wherein each encapsulation, and
Sub first pending data also carries the mark of burst treatment after each encapsulation, so that the data that AC receives burst are closed
And process.
Alternatively, the corresponding relation that wireless network modular converter is identified according to IP and the NAT mapped port in default tunnel,
Determine the NAT mapped ports mark of the IP mappings in tunnel；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；Nothing
The IP in tunnel is replaced with line network conversion module the LTE interface IP of wireless network modular converter, tunnel port is identified and is replaced
For NAT mapped ports are identified, data after being encapsulated.
Specifically, the first pending data being packaged outside this by LTE network the NAT network architectures when,
Source port NAT mappings need to be carried out, the IP in different tunnels is mapped as same LTE interface IP, and the IP in different tunnels is mapped out
Different NAT mapped ports marks.In such as Fig. 2 a, the IP3 of the IP1 in tunnel, the IP2 in tunnel and tunnel is mapped as LTE and connects
Mouth IP, the IP1 in tunnel maps by being mapped as NAT mapped ports mark 1, the IP2 in tunnel after NAT mappings by after NAT mappings
It is NAT mapped ports mark 2, the IP3 in tunnel is by being mapped as NAT mapped ports mark 3 after NAT mappings.
Alternatively, in the case where burst treatment has been carried out, wireless network modular converter replaces with wirelessly the IP in tunnel
The LTE interface IP of network conversion module, NAT mapped ports mark, data after being encapsulated, bag are replaced with by tunnel port mark
Include：The IP in the tunnel in sub- pending data after multiple encapsulation is replaced with wireless network modular converter by wireless network modular converter
LTE interface IP, by tunnel port mark replace with NAT mapped ports mark, data after being encapsulated；Wherein after each encapsulation
The length of sub- pending data is less than length threshold.
Alternatively, in the embodiment of the present invention, the data transmission mouth between terminal and wireless network modular converter uses wireless
LAN (Wireless Local Area Network, abbreviation WLAN) agreement, wireless network modular converter inside is three floor road
By structure, wireless network modular converter externally carries out address conversion using NAT agreements, wireless network modular converter 2101 with
Base station between AC2102 can be the gateway of LTE point-to-point protocols.
Alternatively, each tunnel correspondence one MAC Address, MAC Address can be to be automatically generated by specific mode, due to for
LTE sides network is internal mac, invisible to external network, therefore is not specifically limited in the embodiment of the present invention.
Alternatively, the IP of LTE interface is the link IP address of LTE base station distribution in the embodiment of the present invention.Institute is cunicular
IP corresponds to an IP for LTE interface.But the IP in tunnel is identified with NAT mapped ports and corresponded.It is achieved thereby that user
IP is to the visible purpose in LTE sides.The presence of the IP in tunnel in the embodiment of the present invention, is for one VAP network of unique identification
Passage, data can be mapped on loop by link trace after conveniently carrying out inverse NAT mappings, give corresponding tunnel for change,
So as to find corresponding VAP networks.
A kind of up protocol procedures provided in an embodiment of the present invention are described in detail below, terminal is accessed after VAP networks, eventually
Hold the VAP nodes that the first pending data for accessing internet is transferred to the VAP networks that the terminal is accessed.Wireless network turns
Mold changing root tuber determines the IP in the corresponding tunnel of VAP networks according to default VAP networks and the corresponding relation of the IP in tunnel.It is optional
Ground, wireless network modular converter can find the velocity modulation of matching according to the ID of VAP nodes by hash algorithm, and pending by first
Data are forwarded on the tunnel that the IP in the corresponding tunnel of VAP networks is identified.Fig. 2 b illustrate the embodiment of the present invention
A kind of terminal for providing is sent to the structural representation of the first pending data of internet, and as shown in Figure 2 b, first is pending
Data include source address, and source address includes the IP of terminal, and alternatively, in source address may also include MAC of terminal etc. is used for
Identify the information of terminal.Alternatively, destination address is also included in the first pending data.
Wireless network modular converter determines the tunnel in the tunnel corresponding to the VAP networks for receiving first pending data
The IP of port-mark and tunnel.Wireless network modular converter does outer enclosure to the first pending data for receiving.It is outside
Encapsulation specifically refers to, by that complete first pending data will be used as tunneling data load including User IP etc., then add outside tunnel
The mode of road stem is realized.Outer enclosure may include control and configuration protocol (the Control And of WAP
Provisioning of Wireless Access Points Protocol Specification, abbreviation CAPWAP) envelope
Dress, L2TP are encapsulated, Point to Point Tunnel Protocol (Point to Point Tunneling Protocol, abbreviation PPTP) is encapsulated, oneself
Define various VAP packing forms such as tunnel encapsulation.
Alternatively, can be in the corresponding VLAN stems of the first pending data outer enclosure VAP networks, packaging V AP again afterwards
The tunnel port mark and the IP in tunnel in the tunnel corresponding to network.Wireless network modular converter may be used also in the embodiment of the present invention
Support that being VLAN for the first pending data encapsulates, specific method is before tunnel encapsulation is carried out, i.e., in the first pending number
It is first the first pending data packaging V LAN stems before being identified according to the IP and tunnel port of encapsulation tunnel.VLAN stems are wireless
Network control module is obtained according to tunnel control agreement from AC, and VLAN stems can make AC recognize different VAP networks.
IP and tunnel port of the wireless network modular converter in the first pending data outer enclosure tunnel are identified.Fig. 2 c show
Example property shows the structural representation after being packaged to first pending data of Fig. 2 b, as shown in Figure 2 c, waits to locate first
Reason data external addition outer enclosure information (such as can be the head of the first pending data), outer enclosure information includes source
Address, source address includes IP and the tunnel port mark in tunnel.Alternatively, may be used also in the source address that outer enclosure information includes
MAC including tunnel etc. is easy to backhaul data according to link trace and routing forwarding rule for identifying the information in tunnel, leads to
Address resolution protocol (Address Resolution Protocol, abbreviation ARP) is crossed to search out tunnel and carry out two layers to tunnel
Forwarding.Alternatively, in outer enclosure information also include tunnel protocol stem, such as CAPWAP stems, L2TP stems, GRE stems,
Self-defined tunnel header etc..
Alternatively, destination address is also included in outer enclosure information.Destination address in outer enclosure information includes AC's
IP, so that data can be forwarded to up at AC by three-layer network and tunnel decapsulation is carried out at AC after encapsulation.Alternatively,
The destination address also MAC Address including wireless network modular converter in outer enclosure information, data are according to two after being easy to encapsulation
Layer rules of interaction reaches the protocol stack entrance of wireless network modular converter, and carries out three layers of forwarding according to layer three information.
Alternatively, after outer enclosure information is encapsulated, judgement encapsulates the first pending number of outer enclosure information
According to length whether be more than length threshold, if it is not, then continuing subsequent treatment；If so, burst treatment is then carried out, and specifically, will
First pending data for encapsulating outer enclosure information is divided into two parts, and burst treatment mark is added in each part,
And some marks that each part is an entirety and the sequencing of each part are can be identified for that out, and in each part
Preceding equal package outside packaging information, in this way, receiving terminal receive carried out burst treatment information after, burst can be processed
Information integrated.Alternatively, the handling process of data is equally applicable to the stream that AC is packaged to data after this pair encapsulation
Journey.
Alternatively, the corresponding relation that wireless network modular converter is identified according to IP and the NAT mapped port in default tunnel,
Determine the NAT mapped ports mark of the IP mappings in tunnel；The IP in tunnel is replaced with wireless network by wireless network modular converter
The LTE interface IP of modular converter, NAT mapped ports mark, data after being encapsulated are replaced with by tunnel port mark.Wherein,
IP and NAT the mapped port mark in tunnel are corresponded.
That is, the agreement of wireless network modular converter is sent in the embodiment of the present invention according to two layers of interaction concept
Stack, reaches LTE interface, and carried out source address conversion according to NAT requirements by routing forwarding.Fig. 2 d are illustrated to figure
2c carries out the structural representation after NAT source port mappings, as shown in Figure 2 d, is wrapped in the source address after conversion in outer enclosure information
The IP in the tunnel for including becomes the IP of LTE interface, and tunnel port mark is converted to NAT mapped ports mark；Alternatively, outside envelope
Source address in dress information includes that tunnel MAC becomes the MAC of LTE interface.Alternatively in outer enclosure information target ground
The MAC that location includes becomes the MAC of next-hop gateway.Alternatively, the MAC of AC can be used as the MAC of next-hop gateway.
Data are transmitted to AC by core net after gateway receives the encapsulation, alternatively, the data deblocking that AC will be received
Dress, obtains the first pending data as shown in Figure 2 b, and first pending data is transmitted into internet.AC obtains first
The IP of the terminal that pending data includes, it is achieved thereby that being monitored management record to the corresponding all data of IP of terminal
Purpose, so realize the management to terminal.
Alternatively, the data transmitted between the tunnel of wireless network modular converter are invisible each other, therefore tunnel also rises
To the effect of data between isolation VAP.
Fig. 2 e illustrate 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
The another kind that block side is realized is based on the data transmission method of wireless network, and the method is applied to includes the M wireless network in tunnel
Modular converter, and Centralized Controller AC is set between wireless network modular converter and internet.What the method was described is transmitted across
Journey is the downlink data transmission process from the Internet transmission to terminal, and the second pending data is from the Internet transmission to terminal
Downlink data, the method is comprised the following steps：
Step 2501, AC receives the second pending data that internet sends；Wherein, the target in the second pending data
Address includes the IP of terminal；
Step 2502, AC obtains the IP of terminal, and IP and the corresponding relation of tunnel configured information according to default terminal,
Determine the corresponding tunnel configured informations of IP of terminal；
Step 2503, AC is in the second pending data outer enclosure tunnel configured information, data after being encapsulated；
Step 2504, data is activation gives wireless network modular converter after AC will be encapsulated；Wherein, data are used for after encapsulation：Make
Wireless network modular converter determines the tunnel indicated by tunnel configured information, and will after encapsulation after data decapsulation, will
To the second pending data terminal is transmitted to by tunnel.Wireless network modular converter receives data after the encapsulation that AC sends；
Wherein, after data are the second pending data that AC receives the IP including terminal after encapsulation, according to the IP of default terminal
With the corresponding relation of tunnel configured information, the corresponding tunnel configured informations of IP of terminal are determined, outside the second pending data
Portion's encapsulation tunnel configured information is obtained；
Step 2505, data after the parsing encapsulation of wireless network modular converter, determines the tunnel indicated by tunnel configured information
Road；
Step 2506, wireless network modular converter will encapsulate after data decapsulation, data include after being encapsulated the
Two pending datas；
Second pending data is transmitted to terminal by step 2507, wireless network modular converter by tunnel.
Based on above-mentioned discussion content, a kind of downlink scheme flow provided in an embodiment of the present invention is described in detail below.AC sides
The corresponding relation of the IP of the terminal that is stored with and nat port mark, alternatively, AC sides are also stored with IP and the VLAN stem of terminal
Corresponding relation.
Fig. 2 f illustrate the second pending number that a kind of internet provided in an embodiment of the present invention is sent to terminal
According to structural representation, as shown in figure 2f, the second pending data includes destination address, and destination address includes the IP of terminal,
Alternatively, MAC of terminal etc. is may also include in destination address for identifying the information of terminal.Alternatively, the second pending number
Also include source address in.
Alternatively, tunnel configured information is identified including network address translation NAT mapped ports.AC is according to default terminal
IP and the corresponding relation of tunnel configured information, determine the corresponding tunnel configured informations of IP of terminal, including：AC is according to default
The corresponding relation of IP and NAT the mapped port mark of terminal, determines the corresponding NAT mapped ports of IP of terminal, obtains terminal
The corresponding tunnel configured informations of IP；Wherein, NAT mapped ports are used for：Make wireless network modular converter according to default tunnel
IP and NAT mapped ports mark corresponding relation, determine the IP in the corresponding tunnel of NAT mapped ports, and will number after encapsulation
After according to decapsulation, the second pending data that will be obtained is transmitted to terminal by the tunnel that the IP in tunnel is identified；Wherein, tunnel
IP and NAT the mapped port mark in road are corresponded.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Tunnel configured information
Also include the corresponding virtual LAN VLAN stem of mark of VAP networks.IP and NAT mapped ports of the AC according to default terminal
The corresponding relation of mark, determines the corresponding NAT mapped ports of IP of terminal, and the corresponding tunnels of IP for obtaining terminal indicate letter
Breath, including：The corresponding relation that AC is identified according to IP and the NAT mapped port of default terminal, determines that the IP of terminal is corresponding
NAT mapped ports；AC determines the corresponding VAP nets of IP of terminal according to the corresponding relation of IP and the VAP network of default terminal
Network；AC determines the corresponding VLAN stems of VAP networks according to default VAP networks and the corresponding relation of VLAN stems；AC is incited somebody to action
To NAT mapped ports and VLAN stems be defined as the corresponding tunnel configured informations of IP of terminal.
Alternatively, can be in the corresponding VLAN stems of the second pending data outer enclosure VAP networks, packaging V AP again afterwards
NAT mapped ports mark and LTE interface IP corresponding to network.AC can be also supported as second is pending in the embodiment of the present invention
Data do VLAN encapsulation, and specific method is before NAT mapped port encapsulation is carried out, i.e., to encapsulate NAT in the second pending data
It is first the second pending data packaging V LAN stems before mapped port mark and LTE interface IP.VLAN stems and VAP nets
Network is corresponded.
Fig. 2 g illustrate the structural representation after being packaged to second pending data of Fig. 2 f, such as Fig. 2 g institutes
Show, outer enclosure information (such as can be the head of the second pending data), outside envelope are added outside the second pending data
Dress information includes destination address, and destination address is identified including LTE interface IP and NAT mapped port.Alternatively, outer enclosure letter
MAC of LTE interface etc. is may also include in the destination address that breath includes for identifying the information in tunnel.
Alternatively, source address is also included in outer enclosure information.Source address in outer enclosure information includes the IP of AC, from
And data are forwarded to up at wireless network modular converter and in wireless network modular converter by three-layer network after enabling encapsulation
Place carries out tunnel decapsulation.
Alternatively, AC is in the second pending data outer enclosure tunnel configured information, data after being encapsulated, including：AC
In the second pending data outer enclosure tunnel configured information；AC it is determined that outer enclosure tunnel configured information it is second pending
More than in the case of length threshold, the second pending data to outside encapsulation tunnel configured information carries out burst to the length of data
Treatment, obtains sub second pending data after multiple encapsulation；Wherein, each envelope after multiple encapsulation in sub second pending data
The outer enclosure of sub second pending data tunnel configured information after dress.That is, son second is pending after multiple encapsulation
The tunnel configured 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 sub second pending data after multiple encapsulation is defined as encapsulation by AC
Data.
That is, alternatively, after outer enclosure information is encapsulated, judgement encapsulates the second of outer enclosure information
Whether the length of pending data is more than length threshold, if it is not, then continuing subsequent treatment；If so, burst treatment is then carried out, specifically
For, second pending data for encapsulating outer enclosure information is divided into two parts, each part is added at burst
Reason mark, and some marks that each part is an entirety and the sequencing of each part are can be identified for that out, and
Equal package outside packaging information before each part, in this way, receiving terminal receive carried out burst treatment information after, can be right
The information of burst treatment is integrated.
Correspondingly, alternatively, tunnel configured information is identified including network address translation NAT mapped ports.Wireless network turns
Data after mold changing block parsing encapsulation, determine the tunnel indicated by tunnel configured information, including：Wireless network modular converter is parsed
Data after encapsulation, determine the NAT mapped ports mark that data include after encapsulating；Wireless network modular converter is according to default
The corresponding relation of IP and NAT the mapped port mark in tunnel, determines the IP in the corresponding tunnel of NAT mapped ports；Wherein, tunnel
IP and NAT mapped ports identify and correspond；By tunnel be transmitted to second pending data by wireless network modular converter
Terminal, including：The tunnel indicated by IP that second pending data is passed through tunnel by wireless network modular converter is transmitted to terminal.
That is, wireless network modular converter receive internet transmission downlink data after, according to NAT map end
The corresponding relation of the IP in mouth mark and tunnel, determines the IP in the corresponding tunnel of NAT mapped ports, and outer enclosure information is carried out
Inverse NAT conversions.Fig. 2 h illustrate the structural representation after NAT source port mappings are carried out to Fig. 2 g, as shown in fig. 2h, outward
LTE interface IP in destination address in portion's packaging information replaces with NAT mapped ports and identifies corresponding tunnel IP, NAT mappings
Port-mark is converted to tunnel port mark.Alternatively, 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 ports.The second pending data for carrying out inverse NAT conversions passes through road
By selection and two layers of forwarding, tunnel interface is forwarded to.
Wireless network modular converter receives the second pending data after encapsulation, is decapsulated, and is verified during decapsulation
The burst of data external is masked as and offset field, if being masked as judging the data to have carried out point with offset field according to burst
The data of piece treatment, then cache and wait other fragment datas, when all fragment datas are finished receiving, wireless network modulus of conversion
Data are carried out IP layers of restructuring and are reduced into a complete packet by block.Then it is decapsulated, specifically, removes the
Outer enclosure information outside two pending datas, that is, remove tunnel IP and tunnel port mark, if outside the second pending data
Portion also encapsulates VLAN stems, then also remove the VLAN stems of outside.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Wireless network is changed
Second pending data is transmitted to terminal by module by tunnel, including：Wireless network modular converter is according to default VAP networks
With the corresponding relation of the IP in tunnel, the corresponding VAP networks of IP in tunnel are determined；Wireless network modular converter is pending by second
Data are by VAP forwardeds to terminal.Alternatively, wireless network modular converter can be according to the end cached at VAP network interfaces
The MAC Address list at end, and the MAC of terminal that the second pending data includes, by this as shown in figure 2f second wait to locate
Reason data forwarding is to the terminal corresponding to terminal IP.
The scheme that the embodiment of the present invention is provided, three layers are applied to by the CAPWAP agreements in traditional WLAN operation management
Wi-Fi turns in LTE equipment, it is penetrated Three Tiered Network Architecture by penetrating treatment, makes Wi-Fi user to Centralized Controller
(AC) it is visible, so as to realize the centralized Control to Wi-Fi user and flow operating audit and monitoring management.There may be a kind of pass
In the scheme of CAPWAP tunnel technology, the communication between two-layer equipment AP and AC is applied to, AC is using it to Wi-Fi terminals under AP
It is managed.However, the embodiment of the present invention can be applied to L2TP/GRE tunnels, long-range VAP communications are widely used in, in the prior art
Under the application scenarios and unrealized management of the AC to Wi-Fi terminals.
It may be seen from the foregoing that in the scheme that is provided of the embodiment of the present invention, setting up multiple tunnels, and be each tunnel
Distribute unique tunnel IP, the unique one NAT mapped ports mark of correspondence of each tunnel IP such that it is able to produce mapping one by one and
Reverse link is tracked, and makes it possible that many 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, in the lte networks using tunnel style, make the Wi-Fi user can to manager
See, so that management of the LTE network network operator to Wi-Fi user is possibly realized.The third aspect, wireless network in the embodiment of the present invention
The IP of network modular converter can be set to same subnet, i.e. phase same network segment with the customer service IP of terminal, so that Wi-Fi user
Both the wireless network modular converter service propelling of itself can have been received, the service propelling of AC can have been received again, so as to expand
Go out more service application scenes.Fourth aspect, Wi-Fi user is visible to AC, AC user data can be carried out Data Audit,
Traffic monitoring simultaneously can distinguish user and carry out flow control and service propelling etc., and these are all three layers of traditional Wi-Fi-LTE networks
Cannot complete.
Fig. 3 illustrates a kind of wireless network of data transfer for wireless network provided in an embodiment of the present invention
The structural representation of modular converter.
Based on same idea, the embodiment of the present invention provides a kind of wireless network conversion of data transfer for wireless network
Module, for performing above method flow, wireless network modular converter includes M tunnel；In wireless network modular converter 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 modular converter includes connecing
Receive unit 301, processing unit 302 and transmitting element 303.Wherein：
Receiving unit, for the pending data that receiving terminal sends；Wherein, the source address in pending data is included eventually
The IP at end；
Processing unit, for the corresponding relation of the procotol IP according to the default terminal and IP in tunnel, determines end
The IP in the corresponding tunnels of IP at end；According to the IP in tunnel, the tunnel configured information of the IP for being able to indicate that tunnel is determined；Treating
Processing data outer enclosure tunnel configured information, data after being encapsulated；
Transmitting element, for will encapsulation after data is activation to AC；Wherein, data are used for after encapsulation：Make AC to number after encapsulation
After according to decapsulation, the IP of terminal is parsed from the pending data for obtaining, and pending data is transmitted to internet.
Alternatively, tunnel configured information includes the corresponding network address translation NAT mapped ports marks of the IP in tunnel；Treatment
Unit, is used for：Determine the tunnel port mark in tunnel；In the IP and tunnel port mark in pending data outer enclosure tunnel
Know；IP and the corresponding relation of NAT mapped ports mark according to default tunnel, determine the NAT mappings of the IP mappings in tunnel
Port-mark；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；The IP in tunnel is replaced with into wireless network conversion
The LTE interface IP of module, NAT mapped ports mark, data after being encapsulated are replaced with by tunnel port mark.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Tunnel configured information
Also include the corresponding virtual LAN VLAN stem of VAP networks；Processing unit, is used for：Determine the tunnel that the IP in tunnel is identified
The mark of the corresponding VAP networks in road；According to default VAP networks and the corresponding relation of VLAN stems, VAP networks correspondence is determined
VLAN stems；In pending data outer enclosure VLAN stems；In the pending data outer enclosure tunnel of packaging V LAN stems
IP and the tunnel port mark in road.
Alternatively, processing unit, is used for：IP and tunnel port in pending data outer enclosure tunnel are identified；True
The length of pending data of IP and the tunnel port mark in outer enclosure tunnel is determined more than in the case of length threshold, to outside
The pending data of IP and the tunnel port mark of encapsulation tunnel carries out burst treatment, obtains sub pending number after multiple encapsulation
According to；The IP in the tunnel in sub- pending data after multiple encapsulation is replaced with the LTE interface IP of wireless network modular converter, by tunnel
Road port-mark replaces with NAT mapped ports mark, data after being encapsulated；The length of sub- pending data wherein after each encapsulation
Degree is less than length threshold.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Processing unit, uses
In：The pending data sent by a VAP networks receiving terminal in the corresponding VAP networks in M tunnel；According to default
The corresponding relation of IP and the VAP network of terminal, determines the VAP networks of the IP correspondence connections of terminal；According to default VAP networks
With the corresponding relation of the IP in tunnel, the IP in the corresponding tunnel of VAP networks is determined.
Alternatively, receiving unit, is additionally operable to：Receive the IP in the M tunnel that AC is issued；Processing unit, is additionally operable to：According to M
The IP in individual tunnel creates the one-to-one M tunnel of IP with M tunnel；According to M tunnel, set up and a pair of M tunnel 1
The M VAP network answered；M VAP network and the M corresponding relation of the IP in tunnel are set up, default VAP networks and tunnel is obtained
IP corresponding relation.
Alternatively, receiving unit, is additionally operable to：Receive the IP of at least one terminal that AC is issued, and wireless network modulus of conversion
The IP of block；Wherein, the IP and the IP of wireless network modular converter of each terminal in the IP of at least one terminal belong to same
Subnet；Processing unit, is additionally operable to：The IP of a terminal in the IP of at least one terminal is set to the IP of terminal；Will be wireless
The IP of network conversion module is set to the IP of itself, so that wireless network modular converter is it is determined that need to push local letter to terminal
In the case of breath, local information is pushed to terminal.
It can be seen from the above：Due to multiple tunnels are provided with the embodiment of the present invention in wireless network modular converter
Road, and by transmitting data between tunnel and terminal, further again by the outside of data transmitted in terminal and internet
Tunnel configured information is encapsulated, therefore AC can determine that the data the transmitted institute between the terminal and internet for receiving is right
The IP of the terminal answered, it is achieved thereby that the IP of terminal is to the visible purpose in LTE sides, makes AC to enter to the corresponding information of the IP of terminal
Row management and monitoring.
Fig. 4 illustrates a kind of structure of the AC of data transfer for wireless network provided in an embodiment of the present invention
Schematic diagram.
Based on same idea, the embodiment of the present invention provides a kind of AC of data transfer for wireless network, for performing
Above method flow, wireless network modular converter includes M tunnel；Collection is set between wireless network modular converter 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
Unit 403.Wherein：
Receiving unit, for data after the encapsulation for receiving the transmission of wireless network modular converter；Wherein, data are nothings after encapsulation
The pending data that line network conversion module receiving terminal sends, the procotol IP according to default terminal is with the IP's in tunnel
Corresponding relation, determines the IP in the corresponding tunnels of IP of terminal；According to the IP in tunnel, determine the IP's that is able to indicate that tunnel
Tunnel configured information；In pending data outer enclosure tunnel, configured information is obtained；Wherein, the source address in pending data
IP including terminal；
Processing unit, for data after parsing encapsulation, obtains the IP of tunnel configured information and terminal；
Transmitting element, for being decapsulated to the data after encapsulation, and the pending data that will be obtained after decapsulation
It is transmitted to internet.
Alternatively, tunnel configured information includes the corresponding network address translation NAT mapped ports marks of the IP in tunnel；Its
In, IP and NAT the mapped port mark in tunnel are corresponded.
Alternatively, transmitting element, is additionally operable to：It is determined that receive wireless network modular converter transmission for applying for tunnel
IP request after, issue the M IP in tunnel to wireless network modular converter；Wherein, the IP in M tunnel is used for：Make wireless
Network conversion module creates the one-to-one M tunnel of IP with M tunnel according to the M IP in tunnel；According to M tunnel, build
The vertical and M one-to-one M virtual application processor VAP network in tunnel；Set up M VAP network right with M IP in tunnel
Should be related to, obtain the corresponding relation of default VAP networks and the IP in tunnel.
Alternatively, transmitting element, is additionally operable to：The IP of at least one terminal is issued to wireless network modular converter, and wirelessly
The IP of network conversion module；Wherein, the IP of the IP of each terminal in the IP of at least one terminal and wireless network modular converter
Belong to same subnet；Wherein, the IP of the IP of at least one terminal and wireless network modular converter is used for：Change wireless network
The IP of a terminal in the IP of at least one terminal is set to module the IP of terminal；The IP of wireless network modular converter is set
The IP of itself is set to, so that wireless network modular converter is in the case of it is determined that need to push local information to terminal, to terminal
Push local information.
It can be seen from the above：Due to multiple tunnels are provided with the embodiment of the present invention in wireless network modular converter
Road, and by transmitting data between tunnel and terminal, further again by the outside of data transmitted in terminal and internet
Tunnel configured information is encapsulated, therefore AC can determine that the data the transmitted institute between the terminal and internet for receiving is right
The IP of the terminal answered, it is achieved thereby that the IP of terminal is to the visible purpose in LTE sides, makes AC to enter to the corresponding information of the IP of terminal
Row management and monitoring.
Fig. 5 illustrates a kind of wireless network of data transfer for wireless network provided in an embodiment of the present invention
The structural representation of modular converter.
Based on same idea, the embodiment of the present invention provides a kind of wireless network conversion of data transfer for wireless network
Module, for performing above method flow, wireless network modular converter includes M tunnel；In wireless network modular converter 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 modular converter includes connecing
Receive unit 501, processing unit 502 and transmitting element 503.Wherein：
Receiving unit, for data after the encapsulation for receiving AC transmissions；Wherein, data are that AC is received including terminal after encapsulation
Procotol IP pending data after, the corresponding relation of IP according to default terminal and tunnel configured information, it is determined that
Go out the corresponding tunnel configured informations of IP of terminal, configured information is obtained in pending data outer enclosure tunnel；
Processing unit, for data after parsing encapsulation, determines the tunnel indicated by tunnel configured information；To be counted after encapsulation
According to decapsulation, the pending data that data include after being encapsulated；
Transmitting element, for pending data to be transmitted into terminal by tunnel.
Alternatively, tunnel configured information is identified including network address translation NAT mapped ports；Processing unit, including：Parsing
Data after encapsulation, determine the NAT mapped ports mark that data include after encapsulating；IP and NAT according to default tunnel reflects
The corresponding relation of port-mark is penetrated, the IP in the corresponding tunnel of NAT mapped ports is determined；Wherein, IP and NAT the mapping end in tunnel
Mouth mark is corresponded；Transmitting element, is used for：The tunnel indicated by IP that pending data is passed through into tunnel is transmitted to terminal.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Processing unit, uses
In：According to default VAP networks and the corresponding relation of the IP in tunnel, the corresponding VAP networks of IP in tunnel are determined；Will be pending
Data are by VAP forwardeds to terminal.
It can be seen from the above：Due to multiple tunnels are provided with the embodiment of the present invention in wireless network modular converter
Road, and by transmitting data between tunnel and terminal, further again by the outside of data transmitted in terminal and internet
Tunnel configured information is encapsulated, therefore AC can determine that the data the transmitted institute between the terminal and internet for receiving is right
The IP of the terminal answered, it is achieved thereby that the IP of terminal is to the visible purpose in LTE sides, makes AC to enter to the corresponding information of the IP of terminal
Row management and monitoring.
Fig. 6 illustrates a kind of structure of the AC of data transfer for wireless network provided in an embodiment of the present invention
Schematic diagram.
Based on same idea, the embodiment of the present invention provides a kind of AC of data transfer for wireless network, for performing
Above method flow, wireless network modular converter includes M tunnel；Collection is set between wireless network modular converter 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
Unit 603.Wherein：
Receiving unit, the pending data for receiving internet transmission；Wherein, the destination address bag in pending data
Include the procotol IP of terminal；
Processing unit, the IP for obtaining terminal, and the IP passes corresponding with tunnel configured information according to default terminal
System, determines the corresponding tunnel configured informations of IP of terminal；In pending data outer enclosure tunnel configured information, encapsulated
Data afterwards；
Transmitting element, for giving wireless network modular converter by data is activation after encapsulation；Wherein, data are used for after encapsulation：
Wireless network modular converter is set to determine the tunnel indicated by tunnel configured information, and will be after encapsulation after data decapsulation, will
The pending data for obtaining is transmitted to terminal by tunnel.
Alternatively, processing unit, is used for：In pending data outer enclosure tunnel configured information；It is determined that outer enclosure
The length of the pending data of tunnel configured information is treated more than in the case of length threshold to outside encapsulation tunnel configured information
Processing data carries out burst treatment, obtains 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 configured information；That is, son second is treated after multiple encapsulation
The tunnel configured 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；Data after sub- pending data after multiple encapsulation is defined as encapsulating.
Alternatively, tunnel configured information is identified including network address translation NAT mapped ports；Processing unit, is used for：According to
The corresponding relation of IP and NAT the mapped port mark of default terminal, determines the corresponding NAT mapped ports of IP of terminal, obtains
To the corresponding tunnel configured informations of IP of terminal；Wherein, NAT mapped ports are used for：Make wireless network modular converter according to default
Tunnel IP and NAT mapped port mark corresponding relation, determine the IP in the corresponding tunnel of NAT mapped ports, and will envelope
After dress after data decapsulation, the pending data that will be obtained is transmitted to terminal by the tunnel that the IP in tunnel is identified；Wherein,
IP and NAT the mapped port mark in tunnel are corresponded.
Alternatively, each tunnel one virtual application processor VAP network of correspondence in M tunnel；Tunnel configured information
Also include the corresponding virtual LAN VLAN stem of mark of VAP networks；Processing unit, is used for：According to the IP of default terminal
The corresponding relation identified with NAT mapped ports, determines the corresponding NAT mapped ports of IP of terminal；According to default terminal
IP and the corresponding relation of VAP networks, determine the corresponding VAP networks of IP of terminal；AC is first according to default VAP networks and VLAN
The corresponding relation in portion, determines the corresponding VLAN stems of VAP networks；The NAT mapped ports and VLAN stems that will be obtained are defined as
The corresponding tunnel configured informations of IP of terminal.
It can be seen from the above：Due to multiple tunnels are provided with the embodiment of the present invention in wireless network modular converter
Road, and by transmitting data between tunnel and terminal, further again by the outside of data transmitted in terminal and internet
Tunnel configured information is encapsulated, therefore AC can determine that the data the transmitted institute between the terminal and internet for receiving is right
The IP of the terminal answered, it is achieved thereby that the IP of terminal is to the visible purpose in LTE sides, makes AC to enter to the corresponding information of the IP of terminal
Row management and monitoring.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method or computer program product.
Therefore, the present invention can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.And, the present invention can be used to be can use in one or more computers for wherein including computer usable program code and deposited
The shape of 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 is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
Instruct the treatment of all-purpose computer, special-purpose computer, Embedded Processor or other programmable pending data processing equipments
Device is producing a machine so that by computer or the finger of the computing device of other programmable pending data processing equipments
Order is produced for realizing what is specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames
The device of function.
These computer program instructions may be alternatively stored in can guide computer or other programmable pending data treatment to set
In the standby computer-readable memory for working in a specific way so that instruction of the storage in the computer-readable memory is produced
Manufacture including command device, the command device is realized in one flow of flow chart or multiple flows and/or one, block diagram
The function of being specified in square frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable pending data processing equipments, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented treatment, so as in meter
The instruction performed on calculation machine or other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or side
The step of function of being specified in one square frame of block diagram or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from model of the invention to the present invention
Enclose.So, if these modifications of the invention and modification belong within the scope of the claims in the present invention and its equivalent technologies, then
The present invention is also intended to comprising these changes and modification.
Claims (30)
1. a kind of data transmission method based on wireless network, it is characterised in that suitable for turning including the M wireless network in tunnel
Mold changing block；Centralized Controller AC is set between the wireless network modular converter and the internet；The M be more than or equal to
1 integer；Methods described includes：
The pending data that the wireless network modular converter receiving terminal sends, procotol IP according to default terminal with
The corresponding relation of the IP in tunnel, determines the IP in the corresponding tunnels of IP of the terminal；Wherein, the source in the pending data
Address includes the IP of the terminal；
The wireless network modular converter determines that the tunnel of the IP for being able to indicate that the tunnel refers to according to the IP in the tunnel
Show information；
The wireless network modular converter is counted in tunnel configured information described in the pending data outer enclosure after being encapsulated
According to；
The wireless network modular converter is by data is activation after the encapsulation to AC；Wherein, data are used for after the encapsulation：Make institute
After AC is stated to data decapsulation after the encapsulation, the IP of the terminal is parsed from the pending data for obtaining, and
The pending data is transmitted to internet.
2. the method for claim 1, it is characterised in that the tunnel configured information includes that the IP in the tunnel is corresponding
Network address translation NAT mapped ports are identified；
The wireless network modular converter is counted in tunnel configured information described in the pending data outer enclosure after being encapsulated
According to, including：
The wireless network modular converter determines the tunnel port mark in the tunnel；
The wireless network modular converter is in the IP in tunnel described in the pending data outer enclosure and the tunnel port mark
Know；
The corresponding relation that the wireless network modular converter is identified according to IP and the NAT mapped port in default tunnel, determines
The NAT mapped ports mark of the IP mappings in the tunnel；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；
The IP in the tunnel is replaced with the wireless network modular converter LTE interface IP of the wireless network modular converter,
Tunnel port mark is replaced with into the NAT mapped ports mark, data after the encapsulation are obtained.
3. method as claimed in claim 2, it is characterised in that each tunnel correspondence one in the M tunnel virtually should
With processor VAP networks；The tunnel configured information also includes the corresponding virtual LAN VLAN stem of the VAP networks；
The wireless network modular converter is in the IP in tunnel described in the pending data outer enclosure and the tunnel port mark
Know, including：
The wireless network modular converter determines the mark of the corresponding VAP networks in tunnel that the IP in the tunnel is identified；
The wireless network modular converter determines the VAP nets according to default VAP networks and the corresponding relation of VLAN stems
The corresponding VLAN stems of network；
The wireless network modular converter is in VLAN stems described in the pending data outer enclosure；
Tunnel described in the pending data outer enclosure of the wireless network modular converter in the encapsulation VLAN stems
IP and the tunnel port are identified.
4. method as claimed in claim 2, it is characterised in that the wireless network modular converter is outside the pending data
Portion encapsulates IP and the tunnel port mark in the tunnel, including：
The wireless network modular converter is in the IP in tunnel described in the pending data outer enclosure and the tunnel port mark
Know；
The wireless network modular converter described in IP and the tunnel port mark in tunnel described in outer enclosure it is determined that treat
In the case that the length of processing data is more than length threshold, what IP and the tunnel port to tunnel described in outer enclosure were identified
The pending data carries out burst treatment, obtains sub- pending data after multiple encapsulation；
The IP in the tunnel is replaced with the wireless network modular converter LTE interface IP of the wireless network modular converter,
Tunnel port mark is replaced with into the NAT mapped ports mark, data after the encapsulation are obtained, including：
The IP in the tunnel in sub- pending data after the multiple encapsulation is replaced with institute by the wireless network modular converter
The LTE interface IP of wireless network modular converter is stated, tunnel port mark is replaced with into the NAT mapped ports mark, obtained
Data after to the encapsulation；
Wherein the length of sub- pending data is less than the length threshold after each encapsulation.
5. the method as described in Claims 1-4 any claim, it is characterised in that each tunnel in the M tunnel
One virtual application processor VAP network of correspondence；
The pending data that the wireless network modular converter receiving terminal sends, the IP of IP and tunnel according to default terminal
Corresponding relation, determine the IP in the corresponding tunnels of IP of the terminal, including：
The wireless network modular converter receives the end by a VAP network in the corresponding VAP networks in the M tunnel
Hold the pending data for sending；
The wireless network modular converter determines the terminal according to the corresponding relation of IP and the VAP network of default terminal
IP correspondence connection VAP networks；
The wireless network modular converter determines the VAP nets according to default VAP networks and the corresponding relation of the IP in tunnel
The IP in the corresponding tunnel of network.
6. method as claimed in claim 5, it is characterised in that what the wireless network modular converter receiving terminal sent waits to locate
Before reason data, also include：
The wireless network modular converter receives the IP in the M tunnel that the AC is issued；
The wireless network modular converter creates the one-to-one M of IP with the M tunnel according to the IP in the M tunnel
Tunnel；
The wireless network modular converter is set up and the one-to-one M VAP nets in the M tunnel according to the M tunnel
Network；
The wireless network modular converter sets up the corresponding relation of the M VAP networks and the IP in the M tunnel, obtains institute
State the corresponding relation of default VAP networks and the IP in the tunnel.
7. method as claimed in claim 6, it is characterised in that what the wireless network modular converter receiving terminal sent waits to locate
Before reason data, also include：
The wireless network modular converter receives the IP of at least one terminal that the AC is issued, and the wireless network modulus of conversion
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 modular converter
Belong to same subnet；
The IP of a terminal in the IP of at least one terminal is set to the terminal by the wireless network modular converter
IP；The IP of the wireless network modular converter is set to the IP of itself so that the wireless network modular converter it is determined that
In the case of needing to push local information to the terminal, the local information is pushed to the terminal.
8. a kind of pending data transmission method based on wireless network, it is characterised in that suitable for wireless including M tunnel
Network conversion module；Centralized Controller AC is set between the wireless network modular converter and the internet；The M is big
In the integer equal to 1；Methods described includes：
The AC receives data after the encapsulation that the wireless network modular converter sends；Wherein, data are described after the encapsulation
The pending data that wireless network modular converter receiving terminal sends, the IP of procotol IP and tunnel according to default terminal
Corresponding relation, determine the IP in the corresponding tunnels of IP of the terminal；According to the IP in the tunnel, determine and be able to indicate that
The tunnel configured information of the IP in the tunnel, and obtained in tunnel configured information described in the pending data outer enclosure；
Wherein, the source address in the pending data includes the IP of the terminal；
The AC parses data after the encapsulation, obtains the IP of the tunnel configured information and the terminal；
The AC is decapsulated to the data after the encapsulation, and the pending data forwarding that will be obtained after decapsulation
To internet.
9. method as claimed in claim 8, it is characterised in that the tunnel configured information includes that the IP in the tunnel is corresponding
Network address translation NAT mapped ports are identified；Wherein, IP and NAT the mapped port mark in tunnel are corresponded.
10. method as claimed in claim 8 or 9, it is characterised in that the AC receives the wireless network modular converter and sends
Encapsulation after before data, also include：
The AC it is determined that after the request for receiving the IP for applying for tunnel that the wireless network modular converter sends, to
The wireless network modular converter issues the M IP in tunnel；
Wherein, the IP in the M tunnel is used for：Make the wireless network modular converter according to the IP in the M tunnel create with
The one-to-one M tunnel of IP in the M tunnel；According to the M tunnel, set up and the one-to-one M in M tunnel
Individual virtual application processor VAP networks；The corresponding relation of the M VAP networks and the IP in the M tunnel is set up, institute is obtained
State the corresponding relation of default VAP networks and the IP in the tunnel.
11. methods as claimed in claim 10, it is characterised in that the AC is it is determined that receive the wireless network modulus of conversion
After the request of the IP for applying for tunnel that block sends, also include：
The AC issues the IP of at least one terminal to the wireless network modular converter, and the wireless network modular converter
IP；
Wherein, the IP and the IP of the wireless network modular converter of each terminal in the IP of at least one terminal belong to
Same subnet；
Wherein, the IP of the IP of at least one terminal and the wireless network modular converter is used for：Turn the wireless network
The IP of a terminal in the IP of at least one terminal is set to mold changing block the IP of the terminal；By the wireless network
The IP of modular converter is set to the IP of itself, so that the wireless network modular converter is it is determined that need to push this to the terminal
In the case of ground information, the local information is pushed to the terminal.
12. a kind of pending data transmission methods based on wireless network, it is characterised in that suitable for including the M nothing in tunnel
Line network conversion module；Centralized Controller AC is set between the wireless network modular converter and the internet；The M is
Integer more than or equal to 1；Methods described includes：
The wireless network modular converter receives data after the encapsulation that AC sends；Wherein, data are that the AC connects after the encapsulation
Receive after the pending data of the procotol IP including terminal, the IP according to default terminal is right with tunnel configured information
Should be related to, determine the corresponding tunnel configured informations of IP of the terminal, and in tunnel described in the pending data outer enclosure
Road configured information is obtained；
The wireless network modular converter parses data after the encapsulation, determines the tunnel indicated by the tunnel configured information
Road；
The wireless network modular converter decapsulates data after the encapsulation, and obtain that data after the encapsulation include is described
Pending data；
The pending data is transmitted to the terminal by the wireless network modular converter by the tunnel.
13. methods as claimed in claim 12, it is characterised in that the tunnel configured information includes network address translation NAT
Mapped port is identified；
The wireless network modular converter parses data after the encapsulation, determines the tunnel indicated by the tunnel configured information
Road, including：
The wireless network modular converter parses data after the encapsulation, determines that the NAT that data include after the encapsulation reflects
Penetrate port-mark；
The corresponding relation that the wireless network modular converter is identified according to IP and the NAT mapped port in default tunnel, determines
The IP in the corresponding tunnel of the NAT mapped ports；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；
The pending data is transmitted to the terminal by the wireless network modular converter by the tunnel, including：
The tunnel indicated by IP that the pending data is passed through the tunnel by the wireless network modular converter is forwarded
To the terminal.
14. method as described in claim 12 or 13, it is characterised in that each tunnel correspondence one in the M tunnel
Virtual application processor VAP networks；
The pending data is transmitted to the terminal by the wireless network modular converter by the tunnel, including：
The wireless network modular converter determines the tunnel according to default VAP networks and the corresponding relation of the IP in tunnel
The corresponding VAP networks of IP；
The pending data is given the terminal by the wireless network modular converter by the VAP forwardeds.
15. a kind of pending data transmission methods based on wireless network, it is characterised in that suitable for including the M nothing in tunnel
Line network conversion module；The M is the integer more than or equal to 1；Methods described includes：
Centralized Controller AC receives the pending data that internet sends；Wherein, the destination address bag in the pending data
Include the procotol IP of the terminal；
The AC obtains the IP of the terminal, and IP and the corresponding relation of tunnel configured information according to default terminal, it is determined that
Go out the corresponding tunnel configured informations of IP of the terminal；
The AC is in tunnel configured information, data after being encapsulated described in the pending data outer enclosure；
Data is activation after the encapsulation is given the wireless network modular converter by the AC；Wherein, data are used for after the encapsulation：
The wireless network modular converter is set to determine the tunnel indicated by the tunnel configured information, and by data solution after the encapsulation
After encapsulation, the pending data that will be obtained is transmitted to the terminal by the tunnel.
16. methods as claimed in claim 15, it is characterised in that the AC is in tunnel described in the pending data outer enclosure
Road configured information, data after being encapsulated, including：
The AC is in tunnel configured information described in the pending data outer enclosure；
The AC is it is determined that the length of the pending data of tunnel configured information described in outer enclosure is more than length threshold
In the case of, the pending data to tunnel configured information described in outer enclosure carries out burst treatment, after obtaining multiple encapsulation
Sub- pending data；Wherein, the outside of sub- pending data after each after the multiple encapsulation in sub- pending data is encapsulated
Encapsulate the tunnel configured 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 defined as data after the encapsulation by the AC.
17. method as described in claim 15 or 16, it is characterised in that tunnel configured information includes network address translation
NAT mapped ports are identified；
The AC determines that the IP of the terminal is corresponding according to the IP of default terminal and the corresponding relation of tunnel configured information
Tunnel configured information, including：
The corresponding relation that the AC is identified according to IP and the NAT mapped port of default terminal, determine the terminal IP pairs
The NAT mapped ports answered, obtain the corresponding tunnel configured informations of IP of the terminal；
Wherein, the NAT mapped ports are used for：The wireless network modular converter is set to be reflected according to the IP and NAT in default tunnel
The corresponding relation of port-mark is penetrated, the IP in the corresponding tunnel of the NAT mapped ports is determined, and by data solution after the encapsulation
After encapsulation, the pending data that will be obtained is transmitted to the terminal by the tunnel that the IP in the tunnel is identified；Its
In, IP and NAT the mapped port mark in tunnel are corresponded.
18. methods as claimed in claim 16, it is characterised in that each tunnel correspondence one in the M tunnel is virtual
Application processor VAP networks；The tunnel configured information also corresponding virtual LAN VLAN of mark including the VAP networks
Stem；
The corresponding relation that the AC is identified according to IP and the NAT mapped port of default terminal, determine the terminal IP pairs
The NAT mapped ports answered, obtain the corresponding tunnel configured informations of IP of the terminal, including：
The corresponding relation that the AC is identified according to IP and the NAT mapped port of default terminal, determine the terminal IP pairs
The NAT mapped ports answered；
The AC determines the corresponding VAP nets of IP of the terminal according to the corresponding relation of IP and the VAP network of default terminal
Network；The AC determines that the corresponding VLAN of the VAP networks is first according to default VAP networks and the corresponding relation of VLAN stems
Portion；
The corresponding tunnels of IP that the NAT mapped ports and the VLAN stems that the AC will be obtained are defined as the terminal
Road configured information.
The wireless network modular converter of 19. a kind of data transfers for wireless network, it is characterised in that the wireless network turns
Mold changing block includes M tunnel；Centralized Controller AC is set between the wireless network modular converter and the internet；It is described
M is the integer more than or equal to 1；The wireless network modular converter includes：
Receiving unit, for the pending data that receiving terminal sends；Wherein, the source address in the pending data includes institute
State the IP of terminal；
Processing unit, for the corresponding relation of the procotol IP according to the default terminal and IP in tunnel, determines the end
The IP in the corresponding tunnels of IP at end；According to the IP in the tunnel, determine that the tunnel of the IP for being able to indicate that the tunnel is indicated
Information；In tunnel configured information, data after being encapsulated described in the pending data outer enclosure；
Transmitting element, for by data is activation after the encapsulation to AC；Wherein, data are used for after the encapsulation：Make described AC pairs
After the encapsulation after data decapsulation, the IP of the terminal is parsed from the pending data for obtaining, and will be described
Pending data is transmitted to internet.
20. wireless network modular converters as claimed in claim 19, it is characterised in that the tunnel configured information includes described
The corresponding network address translation NAT mapped ports marks of IP in tunnel；
The processing unit, is used for：
Determine the tunnel port mark in the tunnel；
Identified in the IP in tunnel described in the pending data outer enclosure and the tunnel port；
IP and the corresponding relation of NAT mapped ports mark according to default tunnel, determine the institute of the IP mappings in the tunnel
State NAT mapped ports mark；Wherein, IP and NAT the mapped port mark in tunnel are corresponded；
The IP in the tunnel is replaced with the LTE interface IP of the wireless network modular converter, tunnel port mark is replaced
The NAT mapped ports mark is changed to, data after the encapsulation are obtained.
21. wireless network modular converters as claimed in claim 20, it is characterised in that each tunnel in the M tunnel
One virtual application processor VAP network of correspondence；The tunnel configured information also includes the corresponding virtual local area of the VAP networks
Net VLAN stems；
The processing unit, is used for：
Determine the mark of the corresponding VAP networks in tunnel that the IP in the tunnel is identified；
According to default VAP networks and the corresponding relation of VLAN stems, the corresponding VLAN stems of the VAP networks are determined；
In VLAN stems described in the pending data outer enclosure；
IP and the tunnel port mark in tunnel described in the pending data outer enclosure in the encapsulation VLAN stems.
22. wireless network modular converters as claimed in claim 20, it is characterised in that the processing unit, are used for：
Identified in the IP in tunnel described in the pending data outer enclosure and the tunnel port；
It is determined that tunnel described in outer enclosure IP and the tunnel port mark the pending data length more than length
In the case of degree threshold value, the pending data of IP and the tunnel port mark to tunnel described in outer enclosure is divided
Piece treatment, 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 modular converter
LTE interface IP, the NAT mapped ports mark is replaced with by tunnel port mark, obtains data after the encapsulation；Wherein
The length of sub- pending data is less than the length threshold after each encapsulation.
23. wireless network modular converters as claimed in claim 19, it is characterised in that the receiving unit, are additionally operable to：
Receive the IP of at least one terminal that the AC is issued, and the wireless network modular converter IP；Wherein, it is described at least
The IP of each terminal in one IP of terminal belongs to same subnet with the IP of the wireless network modular converter；
The processing unit, is additionally operable to：
The IP of a terminal in the IP of at least one terminal is set to the IP of the terminal；The wireless network is turned
The IP for changing the mold block is set to the IP of itself, so that the wireless network modular converter is it is determined that need to be pushed locally to the terminal
In the case of information, the local information is pushed to the terminal.
The Centralized Controller AC of 24. a kind of pending data transmission for wireless network, it is characterised in that suitable for including M
The wireless network modular converter in individual tunnel；AC is set between the wireless network modular converter and the internet；The M is
Integer more than or equal to 1；The AC includes：
Receiving unit, for data after the encapsulation for receiving the wireless network modular converter transmission；Wherein, data after the encapsulation
It is the pending data of the wireless network modular converter receiving terminal transmission, procotol IP and tunnel according to default terminal
The corresponding relation of the IP in road, determines the IP in the corresponding tunnels of IP of the terminal；According to the IP in the tunnel, determining can
The tunnel configured information of the IP in the tunnel is indicated, and is obtained in tunnel configured information described in the pending data outer enclosure
Arrive；Wherein, the source address in the pending data includes the IP of the terminal；
Processing unit, for parsing data after the encapsulation, obtains the IP of the tunnel configured information and the terminal；
Transmitting element for decapsulating and described pending by what is obtained after decapsulation to the data after the encapsulation
Data forwarding is to internet.
25. AC as claimed in claim 24, it is characterised in that the transmitting element, are additionally operable to：
Issue the IP of at least one terminal to the wireless network modular converter, and the wireless network modular converter IP；
Wherein, the IP and the IP of the wireless network modular converter of each terminal in the IP of at least one terminal belong to
Same subnet；
Wherein, the IP of the IP of at least one terminal and the wireless network modular converter is used for：Turn the wireless network
The IP of a terminal in the IP of at least one terminal is set to mold changing block the IP of the terminal；By the wireless network
The IP of modular converter is set to the IP of itself, so that the wireless network modular converter is it is determined that need to push this to the terminal
In the case of ground information, the local information is pushed to the terminal.
The wireless network modular converter of 26. a kind of pending data transmission for wireless network, it is characterised in that described wireless
Network conversion module includes M tunnel；Centralized Controller is set between the wireless network modular converter and the internet
AC；The M is the integer more than or equal to 1；The wireless network modular converter includes：
Receiving unit, for data after the encapsulation for receiving AC transmissions；Wherein, after the encapsulation data be the AC receive including
After the pending data of the procotol IP of terminal, the corresponding relation of IP and tunnel configured information according to default terminal,
The corresponding tunnel configured informations of IP of the terminal are determined, and letter is indicated in tunnel described in the pending data outer enclosure
What breath was obtained；
Processing unit, for parsing data after the encapsulation, determines the tunnel indicated by the tunnel configured information；Will be described
Data decapsulation after encapsulation, obtains the pending data that data after the encapsulation include；
Transmitting element, for the pending data to be transmitted into the terminal by the tunnel.
27. wireless network modular converters as claimed in claim 26, it is characterised in that the tunnel configured information includes network
Address conversion NAT mapped ports are identified；
The processing unit, including：
Data after the encapsulation are parsed, the NAT mapped ports mark that data include after the encapsulation is determined；According to default
The corresponding relation of IP and NAT the mapped port mark in tunnel, determines the IP in the corresponding tunnel of the NAT mapped ports；Wherein,
IP and NAT the mapped port mark in tunnel are corresponded；
The transmitting element, is used for：
The tunnel indicated by IP that the pending data is passed through into the tunnel is transmitted to the terminal.
The Centralized Controller AC of 28. a kind of pending data transmission for wireless network, it is characterised in that suitable for including M
The wireless network modular converter in individual tunnel；The M is the integer more than or equal to 1；The AC includes：
Receiving unit, the pending data for receiving internet transmission；Wherein, the destination address bag in the pending data
Include the procotol IP of the terminal；
Processing unit, the IP for obtaining the terminal, and the IP passes corresponding with tunnel configured information according to default terminal
System, determines the corresponding tunnel configured informations of IP of the terminal；Indicated in tunnel described in the pending data outer enclosure
Information, data after being encapsulated；
Transmitting element, for giving the wireless network modular converter by data is activation after the encapsulation；Wherein, number after the encapsulation
According to being used for：The wireless network modular converter is set to determine the tunnel indicated by the tunnel configured information, and by the encapsulation
Afterwards after data decapsulation, the pending data that will be obtained is transmitted to the terminal by the tunnel.
29. AC as claimed in claim 28, it is characterised in that the tunnel configured information is reflected including network address translation NAT
Penetrate port-mark；
The processing unit, is used for：
IP and the corresponding relation of NAT mapped ports mark according to default terminal, determine the corresponding NAT of IP of the terminal
Mapped port, obtains the corresponding tunnel configured informations of IP of the terminal；
Wherein, the NAT mapped ports are used for：The wireless network modular converter is set to be reflected according to the IP and NAT in default tunnel
The corresponding relation of port-mark is penetrated, the IP in the corresponding tunnel of the NAT mapped ports is determined, and by data solution after the encapsulation
After encapsulation, the pending data that will be obtained is transmitted to the terminal by the tunnel that the IP in the tunnel is identified；Its
In, IP and NAT the mapped port mark in tunnel are corresponded.
30. AC as claimed in claim 29, it is characterised in that each tunnel correspondence one in the M tunnel virtually should
With processor VAP networks；The corresponding virtual LAN VLAN of mark of the tunnel configured information also including the VAP networks is first
Portion；
The processing unit, is used for：
IP and the corresponding relation of NAT mapped ports mark according to default terminal, determine the corresponding NAT of IP of the terminal
Mapped port；
IP and the corresponding relation of VAP networks according to default terminal, determine the corresponding VAP networks of IP of the terminal；Institute
AC is stated according to default VAP networks and the corresponding relation of VLAN stems, the corresponding VLAN stems of the VAP networks are determined；
The corresponding tunnels of IP that the NAT mapped ports and the VLAN stems that will be obtained are defined as the terminal are indicated
Information.
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