CN102420764B - Link establishment method and equipment - Google Patents
Link establishment method and equipment Download PDFInfo
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- CN102420764B CN102420764B CN201110406551.4A CN201110406551A CN102420764B CN 102420764 B CN102420764 B CN 102420764B CN 201110406551 A CN201110406551 A CN 201110406551A CN 102420764 B CN102420764 B CN 102420764B
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Abstract
The invention relates to the technical field of network communication, in particular to a link establishment method and equipment, and is used for reducing the data acquisition time of a user. The link establishment method comprises the following steps that: buffering equipment receives a first link establishment request which is sent by sending equipment and then sends a first establishment response message to the sending equipment; and when the buffering equipment receives first acknowledgement information which is sent by the sending equipment and responds to the first establishment response message, a link between the buffering equipment and the sending equipment is established. When the buffering equipment receives the first link establishment request, a link establishment request is sent to far-end buffering equipment, and the link between the buffering equipment and the far-end buffering equipment can be established during establishment of the link between the buffering equipment and the sending equipment. Therefore, by adoption of the method, the data acquisition time of the user can be greatly reduced.
Description
Technical field
The present invention relates to technical field of network communication, particularly relate to a kind of link establishing method and equipment.
Background technology
Current is epoch of the Internet, is that commercial operation or person-to-person interchange and amusement are realized by the mode across wide area network all more and more.As shown in Figure 1, carry out between corporate branch office 11 and server 13 data syn-chronization, file download, mail transmitting-receiving etc. all need to be realized by the mode across wide area network.The speed of data is obtained in order to improve user, often one or more buffer memory device 12 is set at the network side at user place, especially, when in wide area network accelerating system, multiple stage buffer memory device 12 can be disposed across wide area network, part or all of data in this buffer memory device 12 in storage server 13, when buffer memory device 12 stores the data needed for user 11, data need do not obtained from server 13, but directly from this buffer memory device 12, obtain equipment needed thereby, the time of user's acquisition number certificate can be saved like this.
To need to set up user 11 and buffer memory device 12, TCP link between buffer memory device 12 and server 13 before data obtaining; After link establishment success, user 11 can obtain desired data in buffer memory device 12, and when buffer memory device 12 does not have user's 11 desired data, this buffer memory device 12 obtains data to server 13, then by the data retransmission that gets to user 11; As shown in Figure 2, the process of establishing of user 11 and buffer memory device 12, TCP link between buffer memory device 12 and server 13 is as follows:
User 11 sends the first message request to buffer memory device 12, after buffer memory device 12 receives the first message request, is optimized generation second message request, sends the second message request to server 13 to this first message request; After server 13 receives the second message request, send the second response of response second message request to buffer memory device 12; After buffer memory device 12 receives the second response, send the first response to user 11, send the second confirmation to server 13 simultaneously; When user 11 receives the first response, send the first confirmation to buffer memory device 12, so far, user 11 and buffer memory device 12, TCP link establishment between buffer memory device 12 and server 13 complete.After link establishment completes, user 11 could obtain desired data to buffer memory device 12 or server 13;
As shown in Figure 3, when in the wide area network, when there is multiple buffer memory device between server 13 and user 11, this sentences two buffer memory device first buffer memory devices 31 and the second buffer memory device 32 is example, and the process of establishing of TCP link is as follows:
User 11 sends the first message request to the first buffer memory device 31; First buffer memory device 31, after receiving the first message request, is optimized generation second message request to it, and the second message request is sent to the second buffer memory device 32; Second buffer memory device 32 is optimized generation the 3rd message request to the second message request, and the 3rd message request is sent to server 13; Server 13 generates the 3rd response of response the 3rd message request after receiving the 3rd message request, and sends to the second buffer memory device 32; Second buffer memory device 32 sends the second response to the first buffer memory device 31 after receiving the 3rd response, sends the 3rd confirmation to server 13 simultaneously; After first buffer memory device 31 receives the second response, send the first response to user 11, send the second confirmation to the second buffer memory device 32 simultaneously; After user 11 receives the first response, send the first confirmation to the first buffer memory device 31, so far, the TCP link between user 11 to server 13 is all set up complete.
But the present inventor finds prior art, and there are the following problems:
In prior art, no matter between user and server, there is a buffer memory device or multiple buffer memory device, when user wishes that the data obtained are stored in buffer memory device, user could get desired data after must waiting for that the link between user to server is all set up from buffer memory device; When especially there is multiple caching server between user and server, the foundation of this link will waste the more time, therefore delays the time that user obtains data.Especially, when in wide area network accelerating system, due to the multiple stage buffer memory device can disposed across wide area network, then the more time will be waited for when user obtains data.
Summary of the invention
The embodiment of the present invention provides a kind of link establishing method and equipment, obtains the time of data for reducing user.
A kind of link establishing method, described method comprises:
After buffer memory device receives the first request for building link that transmitting apparatus sends, send first to described transmitting apparatus and set up response message;
When described buffer memory device receive that described transmitting apparatus is sent, respond described first set up the first confirmation of response message after, set up the link between described buffer memory device and described transmitting apparatus.
In method as above-mentioned link establishment, when buffer memory device receives the first request for building link that transmitting apparatus sends, send the second request for building link to another buffer memory device;
When described buffer memory device receive that another buffer memory device described sends, that respond described second request for building link second set up response message after, send the second confirmation to another buffer memory device described, set up the link between described buffer memory device and another buffer memory device described.
A kind of buffer memory device, described equipment comprises:
Receiving element, for receiving the first request for building link that transmitting apparatus is sent; Receive that described transmitting apparatus is sent, respond the first confirmation that described first sets up response message;
Transmitting element, sets up response message for sending first to described transmitting apparatus;
Set up unit, for receive described first confirmation that described transmitting apparatus sends at described receiving element after, set up the link between described buffer memory device and described transmitting apparatus.
Visible, the method that the embodiment of the present invention provides, when the first request for building link received, buffer memory device sends first to the side sending this first request for building link immediately and sets up response message, when send a side of this first request for building link receive first set up response message after send confirmation to buffer memory device, so far, link establishment between buffer memory device and the side sending this first request for building link completes, if the side sending this first request for building link is client, then user can obtain desired data from buffer memory device, visible, the method can reduce the time of setting up link between user and buffer memory device greatly, therefore, the time that user obtains data can be greatly reduced,
Preferably, when buffer memory device receives the first request for building link, distally buffer memory device sends request for building link, namely while buffer memory device and transmitting apparatus set up link, realizes the foundation of link between buffer memory device and far-end buffer memory device; Therefore, method provided by the invention is the establishment realizing link in a parallel fashion, and the link namely between transmitting apparatus and buffer memory device, buffer memory device and far-end buffer memory device or server creates simultaneously; The method, when user requested data does not store in the buffer, user by obtaining desired data in existing method distally server or buffer memory device, and the time obtaining data also can not be greater than prior art required time.
Accompanying drawing explanation
Fig. 1 is the layout structure schematic diagram of wide area network in prior art;
Fig. 2 is the method flow schematic diagram setting up link in prior art in the wide area network;
Fig. 3 is the method flow schematic diagram setting up link in prior art in the wide area network;
The link establishing method schematic flow sheet that Fig. 4 provides for the embodiment of the present invention;
The first link establishing method schematic flow sheet that Fig. 5 provides for the embodiment of the present invention one;
The second link establishing method schematic flow sheet that Fig. 6 provides for the embodiment of the present invention two;
The buffer memory device structural representation that Fig. 7 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of link establishing method and equipment, when the first request for building link received, buffer memory device sends first to the side sending this first request for building link immediately and sets up response message, when send a side of this first request for building link receive first set up response message after send confirmation to buffer memory device, so far, link establishment between buffer memory device and the side sending this first request for building link completes, if the side sending this first request for building link is client, then user can obtain desired data from buffer memory device, visible, the method can reduce the time of setting up link between user and buffer memory device greatly, therefore, the time that user obtains data can be greatly reduced.As shown in Figure 4, concrete steps are as follows:
Step 41, after buffer memory device receives the first request for building link that transmitting apparatus sends, sends first to described transmitting apparatus and sets up response message;
Step 42, when described buffer memory device receive that described transmitting apparatus is sent, respond described first set up the first confirmation of response message after, set up the link between described buffer memory device and described transmitting apparatus.
Concrete, when there is multiple buffer memory device between transmitting apparatus and server, the buffer memory device that only need be in transmitting apparatus side makes an immediate response to the message request received, remaining buffer memory device can complete link establishment by prior art, therefore, after receive the first request for building link that transmitting apparatus sends at buffer memory device and send to described transmitting apparatus first set up response message before, comprise further:
Judge whether carry optimization information in described first request for building link;
Concrete, after determining to carry optimization information in described first request for building link and send to described transmitting apparatus first set up response message before, comprise further:
Application identities is parsed from described first request for building link; Judge whether the application program corresponding to described application identities can carry out cache optimization operation; Now, set up response message to described transmitting apparatus transmission first to comprise:
When determining to carry out cache optimization operation, sending first to described transmitting apparatus and setting up response message.
Concrete, the method also comprises:
Send first to described transmitting apparatus and set up response message, send the second request for building link to another buffer memory device or server simultaneously; Described in receiving when described caching server, another buffer memory device or server send, after response message is set up to second of described second request for building link response, send the second confirmation to another buffer memory device described or server, set up the link between described buffer memory device and another buffer memory device described or server.Illustrate with specific embodiment below.
Embodiment one:
The embodiment of the present invention one provides the first link establishing method, and when the method is applicable to only there is a buffer memory device between transmitting apparatus and server, Fig. 5 is the information transmission flow schematic diagram of the method, and detailed process is as follows:
Steps A, buffer memory device receives the first request for building link that transmitting apparatus is sent; Transmitting apparatus can be client; First request for building link is for asking the link set up between transmitting apparatus and buffer memory device;
Step B, buffer memory device, after receiving the first request for building link, sends first to described transmitting apparatus and sets up response message; Send the second request for building link to server simultaneously; This second request for building link is for asking the link set up between buffer memory device and server;
Work as transmitting apparatus, namely client receive first set up response message after, send response first to buffer memory device and set up the first confirmation of response message;
After server receives the second request for building link, send second of response second request for building link to buffer memory device and set up response message;
Step C, after buffer memory device receives the first confirmation, sets up the link between described buffer memory device and described transmitting apparatus;
When buffer memory device receive second set up response message after, send response second to server and set up the second confirmation of response message, set up the link between buffer memory device and server;
Embodiment two:
As shown in Figure 6, the embodiment of the present invention two provides the second link establishing method, the method is applicable to the situation that there is multiple buffer memory device between transmitting apparatus and server, conveniently introduce, there are two buffer memory devices in the present embodiment, first buffer memory device and the second buffer memory device are example, and wherein the first buffer memory device closes on client, and process is as follows:
First buffer memory device receives the first request for building link that transmitting apparatus is sent; Transmitting apparatus can be client; First request for building link sets up the link between transmitting apparatus and the first buffer memory device for asking;
First buffer memory device judges whether carry optimization information in described first request for building link, and when determining not carry, the first buffer memory device sends first to described transmitting apparatus and sets up response message; Concrete determination methods can conventionally realize; If do not carried, then illustrate that the first request for building link is from client, because the request issued through buffer memory device is all through optimization, namely must with optimization information;
If when determining to carry, then illustrate that this first request for building link is from the second buffer memory device or server, conventionally can realize the link establishment between the first buffer memory device and the second buffer memory device or server;
Preferably, while carrying out judging, or after receiving the first request for building link and before judging, the first buffer memory device is optimized the first request for building link, generate the second request for building link, and send the second request for building link to the second buffer memory device; This second request for building link sets up the link between the first buffer memory device and the second buffer memory device for asking;
Work as transmitting apparatus, namely client receive first set up response message after, send the first confirmation to buffer memory device, realize the link establishment between transmitting apparatus and the first buffer memory device;
When the second buffer memory device receives the second request for building link, the second request for building link is optimized, generates the 3rd request for building link, and send the 3rd request for building link to server; After server receives the 3rd request for building link, send the 3rd to the second buffer memory device and set up response message, complete the link establishment between the second buffer memory device and server; Second buffer memory device receives the 3rd when setting up response message and sends the 3rd confirmation to server, sets up the link between the second buffer memory device and server; While the second buffer memory device sends the 3rd confirmation, send second to the first buffer memory device and set up response message, when the first buffer memory device receive second set up response message after, send the second confirmation to the second buffer memory device, so far complete the foundation of the whole links between client to server;
Preferably, each buffer memory device between transmitting apparatus and server can be set to receiving request for building link, and make an immediate response this request for building link, and sends request for building link to another buffer memory device or server simultaneously;
Preferably, in order to better realize the link establishment between transmitting apparatus and buffer memory device, buffer memory device and far-end buffer memory device or server, the better application being applicable to accelerating system in similar wide area network of method provided by the invention;
Preferably, be not suitable for when being optimized caching when the application program corresponding to the application identities determining to parse, can conventionally process.
As shown in Figure 7, the embodiment of the present invention provides a kind of buffer memory device, and described equipment comprises:
Receiving element 71, for receiving the first request for building link that transmitting apparatus is sent; Receive that described transmitting apparatus is sent, respond the first confirmation that described first sets up response message;
Transmitting element 73, sets up response message for sending first to described transmitting apparatus;
Set up unit 74, for receive described first confirmation that described transmitting apparatus sends at described receiving element 71 after, set up the link between described buffer memory device and described transmitting apparatus.
Described equipment also comprises:
Judging unit 72, for judging whether carry optimization information in described first request for building link;
Described transmitting element 73 also for, when described judging unit 72 is determined not carry optimization information in described first request for building link, send first to described transmitting apparatus and set up response message.
Described equipment also comprises:
Resolution unit 75, for parsing application identities from described first request for building link;
Described judging unit 72 also for, judge whether the application program corresponding to described application identities can carry out cache optimization operation;
Described transmitting element 73 specifically for, when determining to carry out cache optimization operation, sending first to described transmitting apparatus and setting up response message.
Described transmitting element 73 also for: when described receiving element receives the first request for building link that transmitting apparatus sends, send the second request for building link to another buffer memory device or server;
Described receiving element 71 also for, receive another buffer memory device described or server sends, responds second of described second request for building link and sets up response message;
Described transmitting element 73 also for, described receiving element 71 receive described second set up response message after, send the second confirmation to another buffer memory device described or server;
Described set up unit 74 also for, set up the link between described buffer memory device and another buffer memory device described or server.
In sum, beneficial effect:
Visible, the method that the embodiment of the present invention provides, when the first request for building link received, buffer memory device sends first to the side sending this first request for building link immediately and sets up response message, when send a side of this first request for building link receive first set up response message after send confirmation to buffer memory device, so far, link establishment between buffer memory device and the side sending this first request for building link completes, if the side sending this first request for building link is client, then user can obtain desired data from buffer memory device, visible, the method can reduce the time of setting up link between user and buffer memory device greatly, therefore, the time that user obtains data can be greatly reduced,
Preferably, when buffer memory device receives the first request for building link, distally buffer memory device sends request for building link, namely while buffer memory device and transmitting apparatus set up link, realizes the foundation of link between buffer memory device and far-end buffer memory device; Therefore, method provided by the invention is the establishment realizing link in a parallel fashion, and the link namely between transmitting apparatus and buffer memory device, buffer memory device and far-end buffer memory device or server creates simultaneously; The method, when user requested data does not store in the buffer, user by obtaining desired data in existing method distally server or buffer memory device, and the time obtaining data also can not be greater than prior art required time.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. a link establishing method, is characterized in that, described method comprises:
Buffer memory device judges whether carry optimization information in described first request for building link after receiving the first request for building link that transmitting apparatus sends;
When determining not carry optimization information, from described first request for building link, parse application identities;
Judge whether the application program corresponding to described application identities can carry out cache optimization operation;
When determining to carry out cache optimization operation, sending first to described transmitting apparatus and setting up response message;
When described buffer memory device receive that described transmitting apparatus is sent, respond described first set up the first confirmation of response message after, set up the link between described buffer memory device and described transmitting apparatus.
2. the method for claim 1, is characterized in that, also comprises:
Buffer memory device, when receiving the first request for building link that transmitting apparatus is sent, sends the second request for building link to another buffer memory device or server;
When described buffer memory device receive another buffer memory device described or server sends, respond described second request for building link second set up response message after, send the second confirmation to another buffer memory device described or server, set up the link between described buffer memory device and another buffer memory device described or server.
3. a buffer memory device, is characterized in that, described equipment comprises:
Receiving element, for receiving the first request for building link that transmitting apparatus is sent; Receive that described transmitting apparatus is sent, respond the first confirmation that described first sets up response message;
Judging unit, for judging whether carry optimization information in described first request for building link; Judge whether the application program corresponding to application identities can carry out cache optimization operation;
Resolution unit, during for determining not carry optimization information at described judging unit, parses application identities from described first request for building link;
Transmitting element, during for determining at described judging unit to carry out cache optimization operation, sending first to described transmitting apparatus and setting up response message;
Set up unit, for receive described first confirmation that described transmitting apparatus sends at described receiving element after, set up the link between described buffer memory device and described transmitting apparatus.
4. equipment as claimed in claim 3, is characterized in that, described transmitting element also for: when described receiving element receives the first request for building link that transmitting apparatus sends, send the second request for building link to another buffer memory device or server;
Described receiving element also for, receive that another buffer memory device described or server send, respond described second request for building link second sets up response message;
Described transmitting element also for, described receiving element receive described second set up response message after, send the second confirmation to another buffer memory device described or server;
Described set up unit also for, set up the link between described buffer memory device and another buffer memory device described or server.
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| CN201110406551.4A CN102420764B (en) | 2011-12-08 | 2011-12-08 | Link establishment method and equipment |
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| CN201110406551.4A CN102420764B (en) | 2011-12-08 | 2011-12-08 | Link establishment method and equipment |
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| CN102420764A CN102420764A (en) | 2012-04-18 |
| CN102420764B true CN102420764B (en) | 2015-02-25 |
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| CN201110406551.4A Active CN102420764B (en) | 2011-12-08 | 2011-12-08 | Link establishment method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102811258B (en) * | 2012-07-27 | 2015-11-25 | 北京星网锐捷网络技术有限公司 | Data Concurrent method for down loading, device and the network equipment |
| CN105515705B (en) * | 2014-09-23 | 2019-01-11 | 中兴通讯股份有限公司 | A kind of clock status querying method, communication equipment and system |
| CN115529276A (en) * | 2021-06-24 | 2022-12-27 | 华为技术有限公司 | Data transmission method and related equipment thereof |
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| CN101483604A (en) * | 2009-02-16 | 2009-07-15 | 华为技术有限公司 | Method, apparatus and system for resource list sending |
| CN102137151A (en) * | 2010-01-22 | 2011-07-27 | 微软公司 | Remote protocol with multi connection channels |
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| CN1512715A (en) * | 2002-12-31 | 2004-07-14 | 北京邮电大学 | Method for establishing distributively controlled dynamic link in optical Internet |
| CN101411105A (en) * | 2006-02-01 | 2009-04-15 | 科科通信公司 | Protocol link layer |
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