CN101827020B - Method and system for speeding up built persistent connection without disconnection - Google Patents
Method and system for speeding up built persistent connection without disconnection Download PDFInfo
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- CN101827020B CN101827020B CN 201010118353 CN201010118353A CN101827020B CN 101827020 B CN101827020 B CN 101827020B CN 201010118353 CN201010118353 CN 201010118353 CN 201010118353 A CN201010118353 A CN 201010118353A CN 101827020 B CN101827020 B CN 101827020B
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Abstract
The invention is applicable to the technical field of networks and provides a method and a system for speeding up built persistent connection without disconnection. The method comprises the following steps that: a client sends a data packet to a server; the server sends a response to the client; when tracing that the client and the server both send a data packet, a first wide area network optimizing device and a second wide area network optimizing device detect the series numbers of the data packets sent by the client and the server and establish sessions and build TCP connection according tothe series numbers; when the connection is built, the client sends the data packet to the server again; the first wide area network optimizing device sends the response to the client; the first wide area network optimizing device processes the data packet and sends the data packet to the second wide area network optimizing device; and the second wide area network optimizing device receives and forwards the data packet to the server. The method and the system can perform a network optimizing treatment on the built connection after the device comes into operation, avoid breaking the client connection and facilitate the use of the client.
Description
Technical field
The invention belongs to networking technology area, relate in particular to a kind of to long connection of having set up constantly driving the method and system that row accelerates into.
Background technology
Current, the enterprise that adopts wide area network optimizing device to promote network efficiency gets more and more, in the middle of the technology that wan optimization is adopted, very basic a bit is exactly the protocol optimization technology, at this moment wide area network optimizing device is equivalent to an agency, real client is directly connected to the agency to service end, is exactly so-called " high speed TCP " or other the similar protocol optimization technology of setting up between two wide area network optimizing device what really carry out transfer of data on the wide area network at this moment.
Because what adopt is agent skill group, so all need to have the TCP three-way handshake process of standard to connect, therefore only newly-built connection comes into force to client.But, in the application of reality, all be the long application that connects as network neighbor, IBM Lotus Notes system, in case therefore wide area network optimizing device temporarily lost efficacy, these connections just no longer connect by WAN equipment so, but the connection of directly setting up client and the server of being connected, afterwards when wide area network optimizing device comes into force again, these connections of having set up no longer include the three-way handshake process of TCP, this moment, wide area network optimizing device just can't come into force to these connections so, and other acceleration means also can't be used.
Summary of the invention
The object of the present invention is to provide a kind of to long connection of having set up constantly driving the method that row accelerates into, be intended to solve prior art when the client and server end is set up long the connection, when wide area network optimizing device comes into force again, can't be to the long problem that comes into force that connects of having set up.
The present invention is achieved in that a kind of to long connection of having set up constantly driving the method that row accelerates into, and described method comprises the steps:
Client sends packet to server end;
After server end receives the packet of client transmission, send and reply ACK to client;
When the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
After the connection between the first wide area network optimizing device and the second wide area network optimizing device created, client sent packet to server end again;
After the first wide area network optimizing device receives the packet of user end to server transmission, send and reply ACK to client;
The first wide area network optimizing device is optimized processing to the packet that client sends to server end, and sends packet to the second wide area network optimizing device after the optimization process;
The second wide area network optimizing device receives and transmits the packet of user end to server transmission to server end;
Server end sends replys ACK to the second wide area network optimizing device.
Another object of the present invention is to provide a kind of to long connection of having set up constantly driving the system that row accelerates into, described system comprise client, with first wide area network optimizing device of described client by network connection, with described the first wide area network optimizing device by the second wide area network optimizing device of network connection and with the server end of described the second wide area network optimizing device by network connection, described client comprises:
The first Packet Generation unit is used for sending packet to server end;
First replys receiving element, is used for the ACK that replys of reception server end response;
The second Packet Generation unit, be used for when the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, again to server end transmission packet;
Second replys receiving element, is used for receiving the ACK that replys of the first wide area network optimizing device transmission;
Described server end comprises:
The first packet receiving element is used for receiving the packet that client sends;
First replys transmitting element, is used for replying ACK to the client transmission;
The second packet receiving element is for the packet after the optimization process that receives the transmission of the second wide area network optimizing device;
Second replys transmitting element, is used for replying ACK to the transmission of the second wide area network optimizing device;
Described the first wide area network optimizing device comprises:
Connect and set up the unit, be used for when tracing into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Reply transmitting element, be used for behind the packet that receives the transmission of user end to server end, sending and replying ACK to client;
Packet is optimized transmitting element, is optimized processing for the data that client sent to server end, and sends the packet after the optimization process; Described the second wide area network optimizing device comprises:
Packet receives transmitting element, is used for receiving and transmit described packet and optimizes packet after the optimization process that transmitting element sends to server end.
Another object of the present invention is to provide a kind of to long connection of having set up constantly driving the method that row accelerates into, described method comprises the steps:
The user end to server end sends packet;
The reception server end is responded replys ACK, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
When the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, client sends packet to server end again;
Client the first wide area network optimizing device sends replys ACK.
Another object of the present invention is to provide a kind of client, described client comprises:
The first Packet Generation unit is used for sending packet to server end;
First replys receiving element, the ACK that replys that is used for the response of reception server end, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
The second Packet Generation unit, be used for when the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, again to server end transmission packet;
Second replys receiving element, is used for receiving the ACK that replys of the first wide area network optimizing device transmission.
Another object of the present invention is to provide a kind of to long connection of having set up constantly driving the method that row accelerates into, described method comprises the steps:
Server end receives the packet that client sends;
Reply ACK to the client transmission, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Server end receives the packet after the optimization process that the second wide area network optimizing device sends;
Server end sends to the second wide area network optimizing device and replys ACK.
Another object of the present invention is to provide a kind of server end, described server end comprises:
The first packet receiving element is used for receiving the packet that client sends;
First replys transmitting element, be used for replying ACK to the client transmission, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
The second packet receiving element is for the packet after the optimization process that receives the transmission of the second wide area network optimizing device;
Second replys transmitting element, is used for replying ACK to the transmission of the second wide area network optimizing device.
In the present invention, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, and according to this sequence number establishment session, setting up TCP connects, when receiving client again behind the packet of server end transmission, transmission is replied ACK to client, then the packet that receives is optimized processing, and packet to the second wide area network optimizing device after the transmission optimization process, the second wide area network optimizing device receives and transmits the packet of user end to server transmission to server end, server end sends replys ACK to the second wide area network optimizing device, like this, when the first wide area network optimizing device and the second wide area network optimizing device come into force, detect the sequence number that the client and server end connects, then the first wide area network optimizing device be connected wide area network optimizing device and create TCP by this sequence number and connect, can satisfy equipment added or come into force after, network optimization processing is accomplished in the connection of having set up before equally, avoid disconnecting the client and connect, make things convenient for the client to use.
Description of drawings
Fig. 1 is after the wide area network optimizing device that provides of the embodiment of the invention lost efficacy, the schematic diagram of the three-way handshake process that the TCP of client and server end connects;
Fig. 2 is after wide area network optimizing device that the embodiment of the invention provides comes into force, the client and server end pass through long the connect flow chart that constantly drive method that row accelerate of wide area network optimizing device to having set up;
The structured flowchart of the client that Fig. 3 provides for the embodiment of the invention;
The structured flowchart of the server end that Fig. 4 provides for the embodiment of the invention;
The structured flowchart of the wide area network optimizing device that Fig. 5 provides for the embodiment of the invention;
The long structural representation that connects the system that constantly drives the row acceleration into to having set up that Fig. 6 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In embodiments of the present invention, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, and according to this sequence number establishment session, setting up TCP connects, when receiving client again behind the packet of server end transmission, transmission is replied ACK to client, then the packet that receives is optimized processing, and packet to the second wide area network optimizing device after the transmission optimization process, the second wide area network optimizing device receives and transmits the packet of user end to server transmission to server end, server end sends replys ACK to the second wide area network optimizing device, like this, when the first wide area network optimizing device and the second wide area network optimizing device come into force, detect the sequence number that the client and server end connects, then the first wide area network optimizing device be connected wide area network optimizing device and create TCP by this sequence number and connect, can satisfy equipment added or come into force after, network optimization processing is accomplished in the connection of having set up before equally, avoid disconnecting the client and connect, make things convenient for the client to use.
Fig. 1 is after the wide area network optimizing device that provides of the embodiment of the invention lost efficacy, the schematic diagram of the three-way handshake process that the TCP of client and server end connects, and details are as follows:
In embodiments of the present invention, after wide area network optimizing device lost efficacy, client 1 is connected with server end and is crossed wide area network optimizing device and directly set up TCP and connect, the three-way handshake process that concrete TCP connects is: after client 1 and server end 2 both sides consult separately sequence number (seq) in handshake procedure, take this sequence number as the basis, byte sequence number of the every transmission of transmit leg just up adds 1, the recipient whenever receives 1 byte, the sequence number of replying so ACK also adds 1 thereupon, guarantees the reliability of the data with this.
Fig. 2 is after wide area network optimizing device that the embodiment of the invention provides comes into force, the client and server end pass through long the connect flow chart that constantly drive method that row accelerate of wide area network optimizing device to having set up, details are as follows:
In step 1, the client transmissions packet is to server end.
As one embodiment of the present of invention, suppose client transmissions this moment the packet of 1 byte (data transfer direction and byte number average are not done requirement to server end, hypothesis is only for convenience of description herein), the data sequence number of this packet is m, replying the ACK sequence number is n.
In step 2, server end is responded one and is replied ACK to client after receiving the packet of client transmission.
As one embodiment of the present of invention, server end is responded ACK of client, and according to Transmission Control Protocol, the sequence number of this ACK is m+1.
In step 3, when wide area network optimizing device 1 and wide area network optimizing device 2 trace into after the client and server end all sent a packet, survey the sequence number of the packet that both sides send, and create session according to this sequence number, set up TCP and connect.
As one embodiment of the present of invention, are connected with wide area network optimizing device when wide area network optimizing device 1 and trace into after the client and server end that connects by TCP all sent a packet, just can be correct the detecting of sequence number that connects both sides, create a homing sequence in wide area network optimizing device 1 this moment number is n, the opposite end homing sequence number is that the TCP of m+1 connects, and the state of forcing to arrange this connection is ESTABLISHED, sending simultaneously message informing wide area network optimizing device 2 creates a homing sequence and number is m+1, the opposite end homing sequence number is that the TCP of n connects, the state that this connection is set equally is ESTABLISHED, if in constructive process, this connects continuation and is sending data, can simply abandon, can guarantee that this packet can retransmit because client connects to the TCP of server end.
In step 4, after the connection between wide area network optimizing device 1 and the wide area network optimizing device 2 created, client sent data to server end again, and the sequence number seq of these data is m+1, and the ack sequence number of replying ACK is n.
As one embodiment of the present of invention, after the connection between wide area network optimizing device 1 and the wide area network optimizing device 2 creates, suppose that client is (same to the data of a byte of server end transmission again, data transfer direction and byte number are at this only for convenience of description), thus the TCP that creates in step 3 at this moment on the wide area network optimizing device 1 connects and just can be used as the acting server agency and respond ACK to client.
In step 5, wide area network optimizing device 1 sends replys ACK to client, and the sequence number ack of this ACK is m+2.
In step 6, the data that 1 pair of client of wide area network optimizing device sends to server end are optimized processing, and the data after the transmission optimization process are to wide area network optimizing device 2.
In step 7, the sequence number that wide area network optimizing device 2 clients send is that the packet of m+1 mails to server end.
In step 8, server end sends and replys ACK, and the sequence number ack of this ACK is m+2.
As one embodiment of the present of invention, server end sends and replys ACK, and the sequence number ack of this ACK is m+2, and then this ACK is processed by wide area network optimizing device 2 agent clients.
In embodiments of the present invention, owing to need to control voluntarily TCP, force to arrange sequence number and state, therefore need to make amendment to tcp protocol stack, but be not limited only to this mode, alternate manner can reach this demand and get final product.
The structured flowchart of the client that Fig. 3 provides for the embodiment of the invention for convenience of explanation, only shows the relevant part of the embodiment of the invention.This client comprises: receiving element 32 is replied in the first Packet Generation unit 31, first, receiving element 34 is replied in the second Packet Generation unit 33 and second.
Wherein, the first Packet Generation unit 31 sends packet to server end;
First replys the ACK that replys of receiving element 32 reception server ends response;
When the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, the second Packet Generation unit 33 sends packet to server end;
Second replys the ACK that replys that receiving element 34 receives the transmission of the first wide area network optimizing device.Concrete condition does not repeat them here as mentioned above.
The structured flowchart of the server end that Fig. 4 provides for the embodiment of the invention for convenience of explanation, only shows the relevant part of the embodiment of the invention.This server end comprises: the first packet receiving element 41, first is replied transmitting element 42, the second packet receiving element 43 and second is replied transmitting element 44.
Wherein, the first packet receiving element 41 receives the packet that client sends;
First replys transmitting element 42 replys ACK to the client transmission;
Packet after the optimization process that the second packet receiving element 43 receptions the second wide area network optimizing device sends;
Second replys transmitting element 44 replys ACK to the transmission of the second wide area network optimizing device.Concrete condition does not repeat them here as mentioned above.
The structured flowchart of the wide area network optimizing device that Fig. 5 provides for the embodiment of the invention for convenience of explanation, only shows the relevant part of the embodiment of the invention.This wide area network optimizing device comprises: connect set up unit 51, reply transmitting element 52, packet optimizes transmitting element 53 and/or packet receives transmitting element 54.
Connect and to set up unit 51 and be used for when tracing into after the client and server end all sent a packet, survey the sequence number of the packet that both sides send, and create session according to this sequence number, set up the TCP connection;
Replying transmitting element 52 is used for sending and replying ACK to client behind the packet that receives the transmission of user end to server end;
Packet is optimized transmitting element 53 and is optimized processing for the data that client sent to server end, and sends the packet after the optimization process;
Packet receives transmitting element 54 and receives and transmit described packet and optimize packet after the optimization process that transmitting element sends to server end.Concrete condition does not repeat them here as mentioned above.
Fig. 6 for convenience of explanation, only shows the relevant part of the embodiment of the invention for the long structural representation that connects the system that constantly drives the row acceleration into to having set up that the embodiment of the invention provides.Should the long system that constantly drives the row acceleration into that connects that has set up be comprised: client 61, the first wide area network optimizing device 62, the second wide area network optimizing device 63 and server end 64.Communication process between the equipment in the concrete system does not repeat them here as mentioned above.
In embodiments of the present invention, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, and according to this sequence number establishment session, setting up TCP connects, when receiving client again behind the packet of server end transmission, transmission is replied ACK to client, then the packet that receives is optimized processing, and packet to the second wide area network optimizing device after the transmission optimization process, the second wide area network optimizing device receives and transmits the packet of user end to server transmission to server end, server end sends replys ACK to the second wide area network optimizing device, like this, when the first wide area network optimizing device and the second wide area network optimizing device come into force, detect the sequence number that the client and server end connects, then the first wide area network optimizing device be connected wide area network optimizing device and create TCP by this sequence number and connect, can satisfy equipment added or come into force after, network optimization processing is accomplished in the connection of having set up before equally, avoid disconnecting the client and connect, make things convenient for the client to use.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the long method that constantly drives the row acceleration into that connects to having set up is characterized in that described method comprises the steps:
Client sends packet to server end;
After server end receives the packet of client transmission, send and reply ACK to client;
When the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
After the connection between the first wide area network optimizing device and the second wide area network optimizing device created, client sent packet to server end again;
After the first wide area network optimizing device receives the packet of user end to server transmission, send and reply ACK to client;
The first wide area network optimizing device is optimized processing to the packet that client sends to server end, and sends packet to the second wide area network optimizing device after the optimization process;
The second wide area network optimizing device receives and transmits the packet of user end to server transmission to server end;
Server end sends replys ACK to the second wide area network optimizing device.
2. one kind is constantly driven into the system that row accelerates to long connection of having set up, described system comprise client, with first wide area network optimizing device of described client by network connection, with described the first wide area network optimizing device by the second wide area network optimizing device of network connection and with the server end of described the second wide area network optimizing device by network connection, it is characterized in that described client comprises:
The first Packet Generation unit is used for sending packet to server end;
First replys receiving element, is used for the ACK that replys of reception server end response;
The second Packet Generation unit, be used for when the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, again to server end transmission packet;
Second replys receiving element, is used for receiving the ACK that replys of the first wide area network optimizing device transmission;
Described server end comprises:
The first packet receiving element is used for receiving the packet that client sends;
First replys transmitting element, is used for replying ACK to the client transmission;
The second packet receiving element is for the packet after the optimization process that receives the transmission of the second wide area network optimizing device;
Second replys transmitting element, is used for replying ACK to the transmission of the second wide area network optimizing device;
Described the first wide area network optimizing device comprises:
Connect and set up the unit, be used for when tracing into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Reply transmitting element, be used for behind the packet that receives the transmission of user end to server end, sending and replying ACK to client;
Packet is optimized transmitting element, is optimized processing for the data that client sent to server end, and sends the packet after the optimization process;
Described the second wide area network optimizing device comprises:
Packet receives transmitting element, is used for receiving and transmit described packet and optimizes packet after the optimization process that transmitting element sends to server end.
3. the long method that constantly drives the row acceleration into that connects to having set up is characterized in that described method comprises the steps:
The user end to server end sends packet;
The reception server end is responded replys ACK;
When the first wide area network optimizing device be connected after wide area network optimizing device sets up TCP and connect, client sends packet to server end again, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Client the first wide area network optimizing device sends replys ACK.
4. a client is characterized in that, described client comprises:
The first Packet Generation unit is used for sending packet to server end;
First replys receiving element, is used for the ACK that replys of reception server end response;
The second Packet Generation unit, be used for when the first wide area network optimizing device be connected after wide area network optimizing device sets up the TCP connection, again send packet to server end, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Second replys receiving element, is used for receiving the ACK that replys of the first wide area network optimizing device transmission.
5. the long method that constantly drives the row acceleration into that connects to having set up is characterized in that described method comprises the steps:
Server end receives the packet that client sends;
Reply ACK to the client transmission, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Server end receives the packet after the optimization process that the second wide area network optimizing device sends;
Server end sends to the second wide area network optimizing device and replys ACK.
6. a server end is characterized in that, described server end comprises:
The first packet receiving element is used for receiving the packet that client sends;
First replys transmitting element, be used for replying ACK to the client transmission, wherein, when the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
The second packet receiving element is for the packet after the optimization process that receives the transmission of the second wide area network optimizing device;
Second replys transmitting element, is used for replying ACK to the transmission of the second wide area network optimizing device.
7. the long method that constantly drives the row acceleration into that connects to having set up is characterized in that described method comprises the steps:
When the first wide area network optimizing device and the second wide area network optimizing device trace into after the client and server end all sent a packet, survey the sequence number of the packet of both sides' transmission, the first wide area network optimizing device and the second wide area network optimizing device create session according to this sequence number, set up TCP and connect;
Receive the packet of user end to server end transmission when the first wide area network optimizing device after, send and reply ACK to client;
The first wide area network optimizing device is optimized processing to the data that client sends to server end, and sends packet to the second wide area network optimizing device after the optimization process;
The second wide area network optimizing device receives and transmits packet after the described optimization process to server end.
8. a wide area network optimizing device is characterized in that, described the first wide area network optimizing device comprises:
Connect and to set up the unit, be used for when tracing into after the client and server end all sent a packet, survey the sequence number of the packet that both sides send, and the second wide area network optimizing device creates session according to this sequence number, set up the TCP connection;
Reply transmitting element, be used for behind the packet that receives the transmission of user end to server end, sending and replying ACK to client;
Packet is optimized transmitting element, be optimized processing for the data that client sent to server end, and the packet after the transmission optimization process is to described the second wide area network optimizing device, and the packet of described the second wide area network optimizing device receives transmitting element and receives and transmit packet after the described optimization process to server end.
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| CN 201010118353 CN101827020B (en) | 2010-03-03 | 2010-03-03 | Method and system for speeding up built persistent connection without disconnection |
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| CN104506355B (en) * | 2014-12-23 | 2018-05-25 | 国家电网公司 | Wide area network transmission optimization method and Optimization Platform |
| CN106936875B (en) * | 2015-12-30 | 2019-11-15 | 南京理工大学 | Improvement TCP agent method based on wide area network data compression |
| CN108123940B (en) * | 2017-12-18 | 2020-07-24 | 中国科学院深圳先进技术研究院 | Socket-based asynchronous communication method, storage medium and processor |
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| CN1921438A (en) * | 2006-09-15 | 2007-02-28 | 深圳市深信服电子科技有限公司 | Method for realizing acceleration between networks by using proxy |
| CN101035073A (en) * | 2007-02-06 | 2007-09-12 | 中国联合通信有限公司 | System and method for speeding up the radio data |
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| CN101827020A (en) | 2010-09-08 |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park building A1 layer Patentee after: SINFOR Polytron Technologies Inc Address before: 518000, four floor, Pioneer Road, 1 Qilin Road, Shenzhen, Guangdong, Nanshan District Patentee before: Shenxinfu Electronics Science and Technology Co., Ltd., Shenzhen |