CN102868587B - Method and system for converting A10 interface data to backbone virtual private network (VPN) data - Google Patents
Method and system for converting A10 interface data to backbone virtual private network (VPN) data Download PDFInfo
- Publication number
- CN102868587B CN102868587B CN201210385270.XA CN201210385270A CN102868587B CN 102868587 B CN102868587 B CN 102868587B CN 201210385270 A CN201210385270 A CN 201210385270A CN 102868587 B CN102868587 B CN 102868587B
- Authority
- CN
- China
- Prior art keywords
- data
- gre
- packet
- node
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention relates to a method and a system for converting A10 interface data to backbone virtual private network (VPN) data. The system comprises a data receiving module, a data package sequencing module, a data analyzing module, a data packaging module and a sending module. The method includes steps of firstly, initializing a hash table containing generic route encapsulation (GRE) nodes before an A10 interface data package is received; secondly, analyzing an original internet protocol (IP) address, a destination IP address and a grekey after the A10 interface data package is received, using the original IP address, the destination IP address and the grekey as key words to query whether corresponding GRE nodes exist in the hash table; thirdly, extracting data package PPP load frames containing the GRE nodes to obtain user business data; fourthly, subjecting the business data to VPN packaging to finish data conversion; and fifthly, checking the sequence number of a package containing cache nodes in a cache chain table of the GRE nodes. According to the method and the system, the backbone business system can process the A10 interface data without any modification.
Description
Technical field
The present invention relates to the conversion of network interface data, particularly in a kind of CDMA2000 core net, A10 interface data is converted to the method and system of backbone network VPN interface data.Belong to mobile Internet field.
Background technology
This mobile communication fast development in several years, increasing user's choice for use mobile device interconnection network, therefore operator is in the urgent need to understanding the internet behavior feature of mobile subscriber rapidly and accurately, by the internet behavior analysis to mobile subscriber, can provide better value-added service.Because the backbone network development of the Internet is very ripe, a lot of existing operation system is all realize based on the backbone interface of the Internet, cannot the data of compatible processing mobile core network, the especially data of CDMA 2000 core net.
CDMA2000 is one of three large 3G standards, except traditional voice communication, also supports high-speed data service.CDMA2000 core net can provide based on the public network of simple IP, private network access service and public network, private network access service based on Mobile IP to mobile subscriber.CDMA2000 packet core network based on Mobile IP comprises Packet Control Function PCF(Packet ControlFunction), packet data serving node PDSN Packet Data Serving Node) etc., business datum interface is A10 interface.
The VPN (virtual private network) VPN(Virtual Private Network of backbone network) simple application of data directly encapsulates GRE(Generic Routing Encapsulation outward in the network layer of business datum, generic route encapsulation) agreement, by gre tunneling service data transmission.A10 interface is the business datum interface of CDMA2000 core net, and A10 interface adopts GRE agreement to encapsulate two layers of ppp protocol, and PPP peer-peer protocol encapsulates again the business datum after overcompression.
Summary of the invention
Cannot the problem of compatible processing mobile core network data for current backbone network operation system, the A10 interface data that the object of the invention is to achieve a kind of CDMA2000 core net is converted to the method and system of backbone network VPN data.
In order to achieve the above object, the present invention is directed to the problems such as the compatibility of backbone network operation system, flexibility, by analyzing the A10 interface data of CDMA 2000 core net, extract business datum, redesign encapsulation format, make it the VPN application of the standard becoming backbone network, the A10 interface data providing a kind of CDMA 2000 core net is converted to the method and system of the VPN data of backbone network.
Main technical content of the present invention is: a kind of A10 interface data transforms the method for backbone network VPN data, and its step comprises:
1) before receiving A10 interface data bag, initialization comprises the Hash table of GRE node, and described GRE node key comprises: source IP address, object IP address and grekey, process after bag sequence number and buffer memory chained list;
2) after receiving A10 interface data bag, parse source IP address, object IP address and grekey, and described source IP address, object IP address and grekey are inquired about as keyword in described Hash table whether have corresponding GRE node to exist;
If 2-1) there is not GRE node, then newly-built GRE node;
2-2) to occurring that packet that is out of order or that retransmit carries out buffer memory or abandons;
2-3) process is continued to the packet of normal order transfer;
3) the packet ppp load frames by extracting the described GRE of existence node obtains the business datum of user;
4) VPN encapsulation is carried out to described business datum, complete the conversion of data;
5) the bag sequence number of the cache node in the buffer memory chained list of GRE node is checked, if then process the bag of this cache node in order; If not then continue buffer memory, start again to receive new data.
Described to occurring that packet that is out of order or that retransmit carries out buffer memory or the method that abandons is:
1) receive packet sequence number if be less than after the sequence number value of processed packet adds 1 on GRE node, illustrate that appearance is out of order, then the data pack buffer received is on GRE nodal cache chained list;
2) receive packet sequence number if be greater than after the sequence number value of processed packet adds 1 on GRE node, illustrate and occur retransmitting, then abandon the packet of current reception;
3) if equal after the sequence number value of processed packet adds 1 on GRE node to receive packet sequence number, illustrate that data are normally orderly, continue process.
In all data of described backbone network VPN, set up two GRE nodes in the data of each user; In upstream data, described source IP address is PCF address, and described object IP address is PSDN address; In downlink data, described source IP address is PSDN address, and described object IP address is PCF address.
Described step 3) ppp load data frame according to 0x7e flag byte as starting and ending mark.
Described PPP information frame obtains user service information through decompression; The compression algorithm of described PPP information frame is generally MPPC, VJ compression algorithm.
The present invention also proposes the system that a kind of A10 interface data transforms key VPN data, comprise: for receive the data reception module of A10 interface data, data packet sequencing module, data resolution module, data encapsulation module and for send transform after the sending module of VPN data
Described data packet sequencing module carries out the sequence of packet according to the packet sequence number received; To first packet newly-built GRE node of the uplink and downlink of user or to occurring that packet that is out of order or that retransmit carries out buffer memory or abandons, process is continued to the packet of order transfer;
Described data resolution module obtains the business datum of user for the packet ppp load frames extracting the described GRE of existence node;
Described data encapsulation module is encapsulated as the form of the VPN data of backbone network for the user service data extracted.
Preferably, in described data encapsulation module, the business datum of user is a complete IP bag, and described IP bag is by GRE layer, network layer, link layer packaging.
Preferably, described network layer comprises source IP address and object IP address; Described GRE layer comprises grekey and bag sequence number.
Preferably, during the newly-built GRE node of described data packet sequencing module, by the source IP of packet and object IP assignment to the source IP of GRE node and object IP, by the grekey of GRE layer and bag sequence number assignment to the grekey of GRE node and the bag sequence number that processes.
Preferably, in the buffer memory chained list of GRE node described in described data packet sequencing module check, whether there is cache node, if exist and the bag sequence number of the cache node bag sequence number that pre-treatment is complete for it adds 1, then data are imported into data resolution module continue process; If do not exist or the bag sequence number of cache node be not equal to before the bag sequence number that processes add 1, then go to data reception module and receive new data.
Advantage of the present invention and good effect
Because the business development of the backbone network of the Internet is very ripe, a lot of existing operation system is all realize based on the backbone interface data of the Internet, cannot the data of compatible processing mobile core network.A10 interface data only need be introduced the system that A10 interface data is converted to VPN data by the method for the invention, carries out the preliminary treatment of data, introduces backbone network operation system again after preliminary treatment, just can realize backbone network operation system process A10 interface data.Utilizing the present invention, can making backbone network operation system just can the data of compatible processing A10 interface without the need to changing.
Accompanying drawing explanation
Fig. 1 be A10 interface data of the present invention conversion backbone network VPN data system residing for network site schematic diagram;
Fig. 2 is GRE node and Hash table organization chart in the method for A10 interface data of the present invention conversion backbone network VPN data;
Fig. 3 is the VPN data form encapsulated in the method for A10 interface data of the present invention conversion backbone network VPN data;
Fig. 4 is flow chart of data processing figure in the method for A10 interface data of the present invention conversion backbone network VPN data;
Fig. 5 is the system configuration schematic diagram of A10 interface data of the present invention conversion backbone network VPN data.
Embodiment
One embodiment of the invention are as follows:
A10 interface data is converted to a method for the VPN data of backbone network, the steps include:
1) when system starts, initialization comprises the Hash table of GRE node, for follow-up hashing operation.
2) when receiving A10 interface data, from packet, parse source IP and the object IP of network layer, parse grekey and the bag sequence number of GRE layer.In Hash table, GRE node is inquired about using source IP, object IP and grekey as keyword.If there is no, then newly-built GRE node, forwards step 3) to and continues this packet of process.If existed, then inquire about the value of the processed bag sequence number on GRE node, if this value adds the sequence number that 1 is less than the packet of current reception, illustrate that appearance is out of order, by the data pack buffer of current reception on the buffer memory chained list of GRE node, wouldn't process, return step 2); If this value adds the sequence number that 1 is greater than the packet of current reception, illustrate and directly abandon phenomenons such as occurring re-transmission the packet of current reception, return step 2); If this value adds the sequence number that 1 equals the packet of current reception, illustrate that being surrounded by sequence receives, forward step 3) to and continue this packet of process.
3) the PPP load of extracting packet processes.Be landmark search PPP information frame with 0x7e in PPP load.After extracting a complete PPP information frame, check protocol domain.If protocol domain is designated IP, then the data field of extracting directly PPP information frame, as the business datum of user; If protocol domain is designated compressed format, then extracts the data field of PPP information frame, decompress, using the business datum of the data after decompression as user.
4) after extracting the business datum of user, be encapsulated in GRE agreement, the upper-layer protocol type of GRE agreement is set to IP type, retain the grekey of GRE layer.Network layer below the GRE layer of the raw data packets that each layer content replication below GRE layer receives and link layer etc.
5) business datum of the user encapsulated is sent.
6) check in the buffer memory chained list of GRE node whether there is cache node.If to exist and the bag sequence number of cache node is the bag sequence number processed adds 1, then go to 3) continue process; If there is no or the bag sequence number of cache node be not equal to the bag sequence number processed and add 1, then go to 2) continue to receive data.
As follows to the detailed operation of each step: 1) initialization comprises the Hash table of GRE node.First initialization applies for one section of free memory, comprises the Hash table of GRE node for initialization.A GRE node comprises source IP address, object IP address, grekey, the bag sequence number processed and buffer memory chained list, wherein using source IP address, object IP address and grekey as keyword.For same user, grekey is unique, but the object IP of the corresponding downlink data of the source IP of upstream data, the source IP of the corresponding downlink data of object IP of upstream data, therefore sets up two GRE nodes.The packet of same user, containing upstream and downstream, can be set up two GRE when processing, being respectively both direction.
2) A10 interface data bag is received, resolution data, the Hash table of inquiry GRE node.If do not have corresponding GRE node, then newly-built GRE node, enters 3) continue process.If existed, inquire about the next one bag whether current bag is processed packet, if not on the chained list being then buffered in GRE node, return step 2) then receive data; If current bag is next bag of processed packet, then enter 3) continue process.
3) A10 data are processed.In the ppp protocol load of packet, cyclic search take 0x7e as the PPP information frame of beginning flag and end mark.After extracting a complete PPP information frame, decompress, obtain the business datum of user.
4) after extracting the business datum of user, be encapsulated in GRE agreement, below GRE protocol layer, still use each layer content of below the GRE layer of the raw data packets received.
5), after packet encapsulation completes, data are sent.
Contain source IP address and object IP address in the network layer packet of step 1) A10 interface data, GRE layer comprises grekey and bag sequence number.Grekey is used for identifying Business Stream single in tunnel, and the traffic data message belonging to same user uses same grekey value to encapsulate.The sequence number of this bag can be updated to the bag sequence number value processed in GRE node by each bag after processing is complete.Buffer sorting when buffer memory chained list is out of order for the user data package that receives.Now step 1) is for the upstream data of user, and source IP address is the address of PCF, and object IP address is the address of PSDN; For downlink data, just in time on the contrary.In step 2) newly-built GRE node time, by the source IP of the network layer of packet and object IP assignment to the source IP of GRE node and object IP, by the grekey of GRE layer and bag sequence number assignment to the grekey of GRE node and the bag sequence number that processes.At each PPP information frame of step 3) all with a flag byte starting and ending, this byte is 0x7e.MPPC, VJ compression algorithm is generally in the compression algorithm of step 3) PPP information frame.Decompression algorithm can realize with reference to MPPC, VJ compression algorithm.A complete IP bag is generally in the business datum of step 3) user.Each layer content below step 4) GRE layer comprises network layer and link layer etc.
A10 interface data is converted to a system for backbone network VPN data, comprises data reception module, data packet sequencing module, data resolution module, data encapsulation module and sending module.Data packet sequencing module completes the sequence of packet according to the sequence number of receiving package, and Data Analysis is below carried out in order.Data resolution module realizes the data of resolving A10 interface, completes the decompression of data.The business datum of the user extracted is encapsulated as the form of the VPN data of backbone network by data encapsulation module in charge.
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail:
Fig. 1 is that A10 interface data turns network site schematic diagram residing for VPN data system.
In Fig. 1, turn VPN data system to A10 interface data the data image portion in CDMA 2000 core net between PCF and PSDN equipment.A10 interface data carries out the handling process in Fig. 4 after turning VPN data system receives data, realize A10 interface data to be converted to VPN data form.
Fig. 2 is the organizational form of GRE node and Hash table.GRE node contains the information such as source IP address, object IP address, grekey, the bag sequence number processed and buffer memory chained list.Hash table is used for the fast finding of GRE node, interpolation and deletion action, using source IP address, object IP address and grekey as keyword.
Fig. 3 is the VPN data form encapsulated.Wherein, the information in link layer and network layer replicating original packet.The business datum of user is obtained by data processing.The concrete meaning of each field of GRE layer can with reference to the relevant RFC document of GRE agreement.The value of each field of GRE layer is set to: K is set to 1, represents the existence in grekey territory; Protocol Type is set to 0x0800, represents that upper strata type is IP; Grekey retains the value in raw data packets; All the other fields are all set to 0.
Fig. 4 is the process chart that A10 interface data is converted to VPN data.Implementation process is as follows:
(1), after system start-up initialisation, start to receive data.
(2), after receiving packet, the source IP of the network layer in resolution data bag and object IP, resolves grekey and the bag sequence number value of GRE layer.In Hash table, GRE node is inquired about using source IP, object IP and grekey as keyword.If there is no, newly-built GRE node, goes to step (4) and processes; If existed, go to step (3) and process.
(3) if the value comparing the processed bag sequence number on the GRE node size of bag sequence number that adds 1 and receive.If the former is less than the latter, illustrate that transmitted data on network contracts out now out of order, by the packet temporary cache of reception on the buffer memory chained list of GRE node, return step (2) and continue to receive new packet; If the former is greater than the latter, illustrates that the situations such as re-transmission appear in Internet Transmission, abandon the packet of current reception, disregard, return step (2) and continue to receive new packet; If the former equals the latter, illustrate that Internet Transmission is normal, go to step (4) and continue process.
(4) information on the GRE layer of resolution data bag, extracts PPP load.Be landmark search PPP information frame with 0x7e in PPP load.After extracting a complete PPP information frame, check the protocol domain of PPP information frame.If protocol domain is designated IP, then the data field of extracting directly PPP information frame, as the business datum of user; If protocol domain is designated the compressed formats such as MPPC, VJ, then extracts the data field of PPP information frame, decompress, using the business datum of the data after decompression as user.
(5), after extracting the business datum of user, encapsulate according to the VPN data form of Fig. 3.
(6) packet after encapsulation is sent, release data space.The bag sequence number of packet is updated to the processed bag sequence number in GRE node.
(7) check in the buffer memory chained list of GRE node whether there is cache node.If exist and the bag sequence number of the cache node bag sequence number that pre-treatment is complete for it adds 1, then go to step (4) continue process; If there is no or the bag sequence number of cache node be not equal to before the bag sequence number that processes add 1, then go to step (2) and continue to receive data, and assisted in data sorting module.
Fig. 5 is the structural representation that A10 interface data of the present invention is converted to the system of VPN data, is applicable to said method, and it comprises data reception module, data packet sequencing module, data resolution module, data encapsulation module and sending module.Described data reception module realizes the data that real-time reception network interface card captures.Described data packet sequencing module in charge carries out the sequence of packet according to the sequence number of receiving package, if in order, continue deal with data, if out of order, and temporary cache data.Described data resolution module realizes resolving PPP information territory, completes decompression, obtains the business datum of user.The business datum of the user extracted is encapsulated as the form of the VPN data of backbone network by described data encapsulation module in charge.Described sending module realizes the VPN data converted to export, and data is supplied to follow-up business system.
Claims (5)
1. A10 interface data transforms a method for backbone network VPN data, and its step comprises:
1) before receiving A10 interface data bag, initialization comprises the Hash table of GRE node, and described GRE node key comprises: source IP address, object IP address and grekey, process after bag sequence number and buffer memory chained list;
2) after receiving A10 interface data bag, parse source IP address, object IP address and grekey, and described source IP address, object IP address and grekey are inquired about as keyword in described Hash table whether have corresponding GRE node to exist;
If 2-1) there is not GRE node, then newly-built GRE node;
2-2) to occurring that packet that is out of order or that retransmit carries out buffer memory or abandons, method is:
If be less than after 1. the sequence number value of processed packet adds 1 on GRE node and receive packet sequence number, illustrate that appearance is out of order, then the data pack buffer received is on GRE nodal cache chained list;
If be greater than after 2. the sequence number value of processed packet adds 1 on GRE node and receive packet sequence number, illustrate and occur retransmitting, then abandon the packet of current reception;
If equal to receive packet sequence number after 3. the sequence number value of processed packet adds 1 on GRE node, illustrate that data are normally orderly, continue process;
2-3) process is continued to the packet of normal order transfer;
3) the packet PPP load data frame by extracting the described GRE of existence node obtains the business datum of user;
4) VPN encapsulation is carried out to described business datum, complete the conversion of data;
5) the bag sequence number of the cache node in the buffer memory chained list of GRE node is checked, if then process the bag of this cache node in order; If not then continue buffer memory, start again to receive new data.
2. A10 interface data as claimed in claim 1 transforms the method for backbone network VPN data, it is characterized in that, in all data of described backbone network VPN, sets up two GRE nodes in the data of each user; In upstream data, described source IP address is PCF address, and described object IP address is PSDN address; In downlink data, described source IP address is PSDN address, and described object IP address is PCF address.
3. A10 interface data as claimed in claim 1 transforms the method for backbone network VPN data, it is characterized in that, described step 3) PPP load data frame according to 0x7e flag byte as starting and ending mark.
4. A10 interface data as claimed in claim 1 transforms the method for backbone network VPN data, and it is characterized in that, described PPP load data frame obtains user service information through decompression; The compression algorithm of described PPP load data frame is generally MPPC, VJ compression algorithm.
5. an A10 interface data transforms the system of key VPN data, comprise: for receive the data reception module of A10 interface data, data packet sequencing module, data resolution module, data encapsulation module and for send transform after the sending module of VPN data, it is characterized in that
Described data packet sequencing module carries out the sequence of packet according to the packet sequence number received; To first packet newly-built GRE node of the uplink and downlink of user or to occurring that packet that is out of order or that retransmit carries out buffer memory or abandons;
Described data resolution module obtains the business datum of user for extracting the packet PPP load data frame that there is GRE node;
Described data encapsulation module is encapsulated as the form of the VPN data of backbone network for the user service data extracted, in described data encapsulation module, the business datum of user is a complete IP bag, described IP bag is by GRE layer, network layer, link layer packaging, and described network layer comprises source IP address and object IP address; Described GRE layer comprises grekey and bag sequence number;
During the newly-built GRE node of described data packet sequencing module, by the source IP of packet and object IP assignment to the source IP of GRE node and object IP, by the grekey of GRE layer and bag sequence number assignment to the grekey of GRE node and the bag sequence number that processes; Described data packet sequencing module is to occurring that packet that is out of order or that retransmit carries out buffer memory or the method that abandons is:
If be less than after 1. the sequence number value of processed packet adds 1 on GRE node and receive packet sequence number, illustrate that appearance is out of order, then the data pack buffer received is on GRE nodal cache chained list;
If be greater than after 1. the sequence number value of processed packet adds 1 on GRE node and receive packet sequence number, illustrate and occur retransmitting, then abandon the packet of current reception;
If equal to receive packet sequence number after 2. the sequence number value of processed packet adds 1 on GRE node, illustrate that data are normally orderly, continue process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385270.XA CN102868587B (en) | 2012-10-11 | 2012-10-11 | Method and system for converting A10 interface data to backbone virtual private network (VPN) data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385270.XA CN102868587B (en) | 2012-10-11 | 2012-10-11 | Method and system for converting A10 interface data to backbone virtual private network (VPN) data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102868587A CN102868587A (en) | 2013-01-09 |
| CN102868587B true CN102868587B (en) | 2014-12-31 |
Family
ID=47447192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210385270.XA Active CN102868587B (en) | 2012-10-11 | 2012-10-11 | Method and system for converting A10 interface data to backbone virtual private network (VPN) data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102868587B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107491356A (en) * | 2017-08-28 | 2017-12-19 | 广州市百果园信息技术有限公司 | Message treatment method, terminal device and server based on sequence number |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016318A (en) * | 1996-07-12 | 2000-01-18 | Nec Corporation | Virtual private network system over public mobile data network and virtual LAN |
| CN102694738A (en) * | 2012-06-15 | 2012-09-26 | 北京傲天动联技术有限公司 | Virtual private network (VPN) gateway and method for forwarding messages at VPN gateway |
-
2012
- 2012-10-11 CN CN201210385270.XA patent/CN102868587B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016318A (en) * | 1996-07-12 | 2000-01-18 | Nec Corporation | Virtual private network system over public mobile data network and virtual LAN |
| CN102694738A (en) * | 2012-06-15 | 2012-09-26 | 北京傲天动联技术有限公司 | Virtual private network (VPN) gateway and method for forwarding messages at VPN gateway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102868587A (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6346329B2 (en) | Packet transmission apparatus and reception apparatus that support downloading and streaming | |
| CN103051725B (en) | Application and identification method, data digging method, Apparatus and system | |
| CN102447893B (en) | The method and system of mobile video Real-time Collection and issue | |
| CN100558072C (en) | The method of converting message in three-layer virtual special network, system and equipment | |
| US20130191890A1 (en) | Method and system for user identity recognition based on specific information | |
| CN105591873B (en) | A kind of virtual machine partition method and device | |
| CN101262478A (en) | Method and device for penetrating NAT | |
| WO2013167013A2 (en) | Compression and decompression method of ethernet header and device of same | |
| CN108462707B (en) | Mobile application identification method based on deep learning sequence analysis | |
| CN101141375B (en) | Packet transmission method, transmission apparatus and system within LAN | |
| CN102480335A (en) | Method and system for transmitting business data | |
| CN1988543A (en) | Message type identifying method and device, message header compressing method and system | |
| CN102035738A (en) | Method and device for acquiring routing information | |
| CN102143185B (en) | Data transmission method and data transmission device | |
| CN101917332B (en) | Message delivery method for reducing network load of message midware | |
| WO2018108127A1 (en) | Method for sending information, method for receiving information, pdcp entity, and computer storage medium | |
| CN107517225B (en) | Protocol conversion method, gateway equipment and storage medium | |
| CN102868587B (en) | Method and system for converting A10 interface data to backbone virtual private network (VPN) data | |
| CN107483369B (en) | Message processing method and virtual switch | |
| CN103001966A (en) | Processing and identifying method and device for private network IP | |
| CN105635182B (en) | A kind of data compression transmission method and system | |
| WO2023125056A1 (en) | Network data control method and apparatus, and storage medium and electronic device | |
| WO2013075475A1 (en) | Method, device and system for carrying message service type to an based on gre extension | |
| CN101257501B (en) | Data leading-in method, system as well as Web server | |
| CN106982165A (en) | Data compression method and its system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |