CN102907071A - Data transmission method, mobile terminal, proxy server - Google Patents
Data transmission method, mobile terminal, proxy server Download PDFInfo
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- CN102907071A CN102907071A CN2012800008905A CN201280000890A CN102907071A CN 102907071 A CN102907071 A CN 102907071A CN 2012800008905 A CN2012800008905 A CN 2012800008905A CN 201280000890 A CN201280000890 A CN 201280000890A CN 102907071 A CN102907071 A CN 102907071A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/06—Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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Abstract
The inention relates to the communication technology field, specifically to a data transmission method, a mobile terminal and a proxy server. The data transmission method comprises that a client determines whether a single TCP connection channel identifier is present locally; when the single TCP connection channel identifier is present locally, data transmission is carried out by the clinet and the proxy server in a single TCP conection channel corresponding to the single TCP connection channel identifier in accordance with the SPDY protocol when the client accesses many domains. According to the technical scheme, the single TCP conection channel is established by the client and the proxy server in the mobile terminal. When the client access many domains, data is transmitted in the single TCP conection channel, thereby saving the resources which may be consumed by the clinet to establish multiple TCP connection channels for many domains. Meanwhile, data transmission is conducted in the single TCP connection channel in accordance with the SPDY protocol, further enhancing the data tranmsision ability of the clinet and the proxy server in the mobile terminal.
Description
Technical field
The present invention relates to communication technical field, be specifically related to data transmission method, portable terminal and acting server.
Background technology
The user is undertaken in the web browser process by browser on the portable terminal, employing remain traditional on the PC device tcp/ip communication technology of main flow.This technology is forged through practice, be proved to be effectively and performance higher.
But, the inventor finds existing mobile terminal accessing Website page, there is following technical problem: when portable terminal is accessed a plurality of domain name based on http protocol, portable terminal can be set up transmission control protocol (TCP:Transmission Control Protocol) for each domain name and connect, in HTTP 1.1 editions, each TCP connects and can ask/reply by a plurality of HTTP of sending and receiving, because the hardware constraints of portable terminal causes the resource-constrained on the portable terminal, need to expend many resources and set up the TCP interface channel, therefore when a plurality of domain name of mobile terminal accessing, need to set up a plurality of TCP connects, consume more resource, and because mobile network's bandwidth is less, the data volume that portable terminal is accessed in each domain name is smaller, so the transmission utilization ratio of each TCP interface channel is not high.
Summary of the invention
Embodiments of the invention provide data transmission method, portable terminal and acting server, are used for the efficient that raising portable terminal and acting server carry out transfer of data.
One embodiment of the present of invention provide a kind of data transmission method, comprising:
Client judges whether this locality exists single TCP interface channel sign;
When having single TCP interface channel sign in this locality, during a plurality of domain name of described client-access, described client is carried out transfer of data with the SPDY agreement with acting server in single TCP interface channel corresponding to described single TCP interface channel sign.
An alternative embodiment of the invention provides a kind of data transmission method, comprising:
After the TCP connection request that carries the SYN sign that receives the client transmission, generate single TCP interface channel sign;
Send the TCP connection response of carrying SYN sign and ACK sign to described client, described TCP connection response is carried described single TCP interface channel sign;
Receive the TCP connection response of carrying the ACK sign that described client sends, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign;
When a plurality of domain name of described client-access, in described single TCP interface channel, carry out transfer of data with the SPDY agreement with described client.
One embodiment of the present of invention provide a kind of portable terminal of transfer of data, comprising:
Judge module is used for judging whether this locality exists single TCP interface channel sign;
Transport module when being used for there is single TCP interface channel sign in this locality, during a plurality of domain name of described mobile terminal accessing, carries out transfer of data with the SPDY agreement with acting server in single TCP interface channel corresponding to described single TCP interface channel sign.
One embodiment of the present of invention provide a kind of acting server, comprising:
Generation module is used for after the TCP connection request that carries the SYN sign that receives the client transmission, generates single TCP interface channel sign;
Sending module is used for sending the TCP connection response of carrying SYN sign and ACK sign to described client, and described TCP connection response is carried described single TCP interface channel sign;
Receiver module is used for receiving the TCP connection response of carrying the ACK sign that described client sends, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign;
Transport module is used for carrying out transfer of data with the SPDY agreement with described client in described single TCP interface channel when a plurality of domain name of described client-access.
Can find out from the above technical scheme that the embodiment of the invention provides, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below described embodiment.Apparently, the accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The Organization Chart of a kind of transfer of data that Fig. 1 provides for one embodiment of the invention;
The method of a kind of transfer of data that Fig. 2 provides for one embodiment of the invention;
The method of a kind of transfer of data that Fig. 3 provides for another embodiment of the present invention;
The signaling process figure of a kind of transfer of data that Fig. 4 provides for one embodiment of the invention;
The concurrent data transmission interaction figure based on single TCP interface channel that Fig. 5 provides for one embodiment of the invention.
The structure chart of the portable terminal of a kind of transfer of data that Fig. 6 provides for one embodiment of the invention.
The structure chart of a kind of acting server that Fig. 7 provides for one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 has described the framework of the transfer of data that the embodiment of the invention provides, and comprises client 101, acting server 102 and Web server 103, and this embodiment specifically comprises:
Client 101 for the client on the portable terminal, such as browser, is used for passing through acting server 102 to Web server 103 request msg contents, carries out transfer of data.
Acting server 102, be mainly used in portable terminal in client 101 set up single TCP interface channel, and when a plurality of domain name of client 101 access, all carry out transfer of data at this list TCP interface channel based on the SPDY agreement.Need to prove, this acting server 102 also can be gathered professional function, perhaps this acting server is deployed on the service server, wherein, the function that this is professional or service server can be used for Web server 103 is returned to the response data of client 101 carry out relevant treatment, such as again set type, compression etc., thereby reduce the size of response data, and then the access speed when improving client 101 access Web server 103, improve the efficient of transfer of data.
Web server 103 is for the data content that access is provided to client 101 by acting server 102.
Need to prove, adopt the SPDY agreement to carry out transfer of data among the present invention.SPDY is the application layer protocol based on TCP of Google exploitation, and the SPDY agreement is intended to shorten the load time of webpage and improve fail safe by compression, multiplexed and priority.When utilizing the SPDY agreement to carry out data access, within a TCP connects, a plurality of parallel request/response can be arranged, TCP connects and can not accomplish a plurality of parallel request/response in the http protocol, adopt the SPDY agreement to carry out transfer of data in the portable terminal between the client and server, its efficient is obviously than adopting http protocol to transmit height.
Fig. 2 has described the data transmission method that one embodiment of the invention provides, among this embodiment with the client on the portable terminal as executive agent, this embodiment specifically comprises:
S201, client judge whether this locality exists single TCP interface channel sign.
S202, when having single TCP interface channel sign in this locality, this client is when a plurality of domain name of access, this client identifies in corresponding single TCP interface channel at this list TCP interface channel with acting server carries out transfer of data with the SPDY agreement.
In addition, if client is judged when there is not single TCP interface channel sign in this locality, then client and acting server are set up single TCP interface channel by " three-way handshake ", specifically comprise: client sends the TCP connection request that carries the SYN sign to this acting server; The TCP connection response of carrying SYN sign and ACK sign that this acting server of client returns, this TCP connection response is carried single TCP interface channel sign; Client sends the TCP connection response of carrying the ACK sign to this acting server, to finish the foundation of single TCP interface channel corresponding to this list TCP interface channel sign; Wherein, this list TCP interface channel sign is carried by the SPDY header field of expanding in the above-mentioned TCP connection response by the acting server transmission.Need to prove, among the present invention, set up " three-way handshake " process of TCP interface channel and compare with " three-way handshake " process of TCP standard, slightly different, show in the TCP connection response that is sent by acting server and carry single TCP interface channel sign by the SPDY header field of expanding.
In addition, when client should list TCP interface channel in the threshold time that judgement sets in advance have transfer of data, the request that client is initiatively initiated to disconnect this list TCP interface channel to acting server was saved the TCP connection resource to disconnect this list TCP interface channel.Need to prove, this is a kind of situation that disconnects single TCP interface channel, the present invention does not limit the situation that other disconnect single TCP interface channel, and under stopping situation in client, this list TCP interface channel also can initiatively be initiated to disconnect by the acting server side.
By above-described embodiment as can be known, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
Fig. 3 has described the data transmission method that another embodiment of the present invention provides, among this embodiment with acting server as executive agent, this embodiment specifically comprises:
S301, after receiving the TCP connection request that carries the SYN sign that client sends, generate single TCP interface channel sign.
S302, send the TCP connection response of carrying SYN sign and ACK sign to this client, this TCP connection response is carried above-mentioned single TCP interface channel sign.Wherein, this list TCP interface channel sign is by expanding SPDY header field realization in this TCP connection response.
S303, receive the TCP connection response of carrying the ACK sign that this client sends, to finish the foundation of single TCP interface channel corresponding to this list TCP interface channel sign.
S304, when a plurality of domain name of this client-access, in this list TCP interface channel, carry out transfer of data with the SPDY agreement with this client.
By above-described embodiment as can be known, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
Fig. 4 has described the signaling process of the transfer of data that one embodiment of the invention provides, and present embodiment has been described the signalling interactive process between client and the acting server, and is concrete, and this embodiment comprises:
S401, client judge that there is not single TCP interface channel sign in this locality.
Concrete, client is before the access domain name, at first judge whether to exist single TCP interface channel sign, if there is single TCP interface channel sign, then show and have single TCP interface channel, then client need to not set up single TCP interface channel in order to access this domain name, directly utilizes this list TCP interface channel to carry out transfer of data, sets up the spent resource of single TCP interface channel thereby save; If there is no single TCP interface channel sign then shows not have single TCP interface channel, and then client at first needs to set up single TCP interface channel, and then utilizes single TCP interface channel of setting up to carry out transfer of data.
Access domain is by name routine for the first time with client for S401, owing to also do not have single TCP interface channel in the client this moment, the result that then client is judged among the S401 is that this locality does not exist single TCP interface channel sign.
When there was not single TCP interface channel sign in the client judgement, then client needed be connected the TCP connection with acting server, and S402, S404 have been connected " three-way handshake " process that TCP connects of setting up with S405:
S402, client send the TCP connection request that carries the SYN sign to acting server.
S403, acting server generate a single TCP interface channel sign behind the TCP connection request that receives the client transmission, be used for single TCP interface channel that this client of sign and acting server are set up.
The TCP connection response that S404, client acting server return carries SYN sign and ACK sign, and this TCP connection response comprises that also acting server is above-mentioned single TCP interface channel sign that single TCP interface channel of this foundation generates.
Concrete, acting server can by the header field of SPDY in this TCP connection response of expansion, be carried at the header field of SPDY with this list TCP interface channel sign that generates, and then send to client.
S405, client send the TCP connection response of carrying the ACK sign to acting server, to finish the foundation of this single TCP interface channel.
After the foundation of finishing single TCP interface channel, no matter this client is to continue this domain name of access, still access new domain name, this client all utilizes single TCP interface channel and the acting server of above-mentioned foundation to carry out transfer of data, namely this client is when a plurality of domain name of access, all utilize this list TCP interface channel and acting server to carry out transfer of data, and then carry out transfer of data with Web server, detailed process is as follows:
There are single TCP interface channel sign in S406, client judgement.
Client is being accessed next time, if conduct interviews for new domain name, need to judge whether to have existed single TCP interface channel sign, namely whether there is single TCP interface channel, set up single TCP interface channel owing to above-mentioned, so had single TCP interface channel sign this moment.
S407, client identify in corresponding single TCP interface channel to the data access request of acting server transmission based on the SPDY agreement at this list TCP interface channel.
S408, client receive the data access response based on the SPDY agreement that is sent by acting server in single TCP interface channel corresponding to this list TCP interface channel sign.
Need to prove, what S407 and S408 described is a data transfer of carrying out based on the SPDY agreement between client and the acting server, in fact be based on the concurrent data transmission of single TCP interface channel between client and the acting server, the concurrent data transmission course as shown in Figure 5, Fig. 5 has described in single TCP interface channel, the concurrent data transmission procedure that carries out between client and the acting server, Fig. 5 are only exemplary to have provided four concurrent request/response.
S409, client judgement should not have transfer of data by list TCP interface channel in threshold time, wherein, this threshold value can be in advance in the client setting.
When S410, client do not have transfer of data in judgment threshold should list TCP interface channel in the time, disconnect this list TCP interface channel with acting server, to save the TCP connection resource
S410 is a kind of situation that single TCP interface channel is disconnected, single TCP interface channel disconnects the TCP connection resource that can avoid waste, the present invention does not limit the situation that other can disconnect this list TCP interface channel, such as in client situation out of service, this TCP interface channel is initiated initiatively to disconnect by acting server.
Need to prove, in complete client, in the flow process of acting server and Web server, also has reciprocal process between acting server and the Web server, because what the reciprocal process of acting server and Web server adopted is the multiple TCP connections passage, and acting server is after obtaining the response data that Web server returns, can carry out again layout and degree of depth compression to response data, reduce the data volume that returns to client, and then the transmission speed of raising downlink data, reciprocal process between this acting server and the Web server can utilize existing technology to realize that the present invention does not describe in detail.
By above-described embodiment as can be known, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
Fig. 6 has described the portable terminal that can be used for transfer of data 600 that one embodiment of the invention provides, and specifically comprises:
The first transport module 602 when being used for there is single TCP interface channel sign in this locality, during a plurality of domain name of these portable terminal 600 access, carries out transfer of data with the SPDY agreement with acting server in single TCP interface channel corresponding to this list TCP interface channel sign.
Further, when judge module 601 judged that there is not single TCP interface channel sign in this locality, portable terminal 600 also comprised:
The first sending module 603 is used for sending the TCP connection request that carries the SYN sign to this acting server.
The first receiver module 604 is used for receiving the TCP connection response of carrying SYN sign and ACK sign that this acting server returns, and this TCP connection response is carried single TCP interface channel sign.
This first sending module 603 also is used for sending the TCP connection response of carrying the ACK sign to this acting server, to finish the foundation of single TCP interface channel corresponding to this list TCP interface channel sign.
Further, portable terminal 600 also comprises:
By above-described embodiment as can be known, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
Fig. 7 has described the acting server 700 that one embodiment of the invention provides, and specifically comprises:
The second sending module 702 is used for sending the TCP connection response of carrying SYN sign and ACK sign to this client, and this TCP connection response is carried this list TCP interface channel sign.
The second receiver module 703 is used for receiving the TCP connection response of carrying the ACK sign that this client sends, to finish the foundation of single TCP interface channel corresponding to this list TCP interface channel sign.
The second transport module 704 is used for carrying out transfer of data with the SPDY agreement with this client in this list TCP interface channel when a plurality of domain name of this client-access.
Further, acting server 700 also comprises:
By above-described embodiment as can be known, client and acting server have been set up single TCP interface channel in the portable terminal, when this client is carried out a plurality of domain name access, transfer of data is carried out in the capital in this list TCP interface channel, having saved client is the resource that a plurality of domain names are set up a plurality of TCP interface channels, simultaneously in this list TCP interface channel, carry out transfer of data with the SPDY agreement, because the SPDY agreement has the ability of concurrent data transmission, thereby further improve the ability that client and acting server in the portable terminal are carried out transfer of data.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, above-mentioned program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, above-mentioned storage medium can be magnetic disc, CD, read-only store-memory body (ROM:Read-Only Memory) or store-memory body (RAM:Random Access Memory) etc. at random.
Used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand technical scheme of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. a data transmission method is characterized in that, comprising:
Client judges whether this locality exists single TCP interface channel sign;
When having single TCP interface channel sign in this locality, during a plurality of domain name of described client-access, described client is carried out transfer of data with the SPDY agreement with acting server in single TCP interface channel corresponding to described single TCP interface channel sign.
2. data transmission method as claimed in claim 1 is characterized in that, also comprises:
When not having single TCP interface channel sign in this locality, described client sends the TCP connection request that carries the SYN sign to described acting server;
The TCP connection response of carrying SYN sign and ACK sign that the described acting server of described client returns, described TCP connection response is carried single TCP interface channel sign;
Client sends the TCP connection response of carrying the ACK sign to described acting server, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign.
3. data transmission method as claimed in claim 2 is characterized in that, described single TCP interface channel identifies the SPDY header field of expanding in the TCP connection response of being returned by described acting server and carries.
4. such as the arbitrary described data transmission method of claim 1-3, it is characterized in that, also comprise:
In the threshold value that sets in advance, when not having transfer of data in described single TCP interface channel, described client and described acting server disconnect described single TCP interface channel.
5. a data transmission method is characterized in that, comprising:
After the TCP connection request that carries the SYN sign that receives the client transmission, generate single TCP interface channel sign;
Send the TCP connection response of carrying SYN sign and ACK sign to described client, described TCP connection response is carried described single TCP interface channel sign;
Receive the TCP connection response of carrying the ACK sign that described client sends, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign;
When a plurality of domain name of described client-access, in described single TCP interface channel, carry out transfer of data with the SPDY agreement with described client.
6. data transmission method as claimed in claim 5 is characterized in that, described single TCP interface channel sign is carried by the SPDY header field of expanding in the described TCP connection response that sends to described client.
7. such as claim 5 or 6 described data transmission methods, it is characterized in that, also comprise:
In the threshold value that sets in advance, when not having transfer of data in described single TCP interface channel, disconnect described single TCP interface channel with described client.
8. the portable terminal of a transfer of data is characterized in that, comprising:
Judge module is used for judging whether this locality exists single TCP interface channel sign;
The first transport module when being used for there is single TCP interface channel sign in this locality, during a plurality of domain name of described mobile terminal accessing, carries out transfer of data with the SPDY agreement with acting server in single TCP interface channel corresponding to described single TCP interface channel sign.
9. portable terminal as claimed in claim 8 is characterized in that, also comprises:
The first sending module when being used for there is not single TCP interface channel sign in this locality, sends the TCP connection request that carries the SYN sign to described acting server;
The first receiver module is used for receiving the TCP connection response of carrying SYN sign and ACK sign that described acting server returns, and described TCP connection response is carried single TCP interface channel sign;
Described the first sending module also is used for sending the TCP connection response of carrying the ACK sign to described acting server, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign.
10. portable terminal as claimed in claim 8 or 9 is characterized in that, also comprises:
First disconnects module, is used for when not having transfer of data in described single TCP interface channel, disconnecting described single TCP interface channel with described acting server in the threshold value that sets in advance.
11. an acting server is characterized in that, comprising:
Generation module is used for after the TCP connection request that carries the SYN sign that receives the client transmission, generates single TCP interface channel sign;
The second sending module is used for sending the TCP connection response of carrying SYN sign and ACK sign to described client, and described TCP connection response is carried described single TCP interface channel sign;
The second receiver module is used for receiving the TCP connection response of carrying the ACK sign that described client sends, to finish the foundation of single TCP interface channel corresponding to described single TCP interface channel sign;
The second transport module is used for carrying out transfer of data with the SPDY agreement with described client in described single TCP interface channel when a plurality of domain name of described client-access.
12. acting server as claimed in claim 11 is characterized in that, also comprises:
Second disconnects module, is used for when not having transfer of data in described single TCP interface channel, disconnecting described single TCP interface channel with described client in the threshold value that sets in advance.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/079203 WO2014015503A1 (en) | 2012-07-26 | 2012-07-26 | Data transmission method, mobile terminal and proxy server |
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| CN102907071A true CN102907071A (en) | 2013-01-30 |
| CN102907071B CN102907071B (en) | 2015-04-29 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102907071B (en) | 2015-04-29 |
| WO2014015503A1 (en) | 2014-01-30 |
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