CN102014372A - Method, device and system for controlling service data traffic distribution - Google Patents
Method, device and system for controlling service data traffic distribution Download PDFInfo
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- CN102014372A CN102014372A CN201010566561XA CN201010566561A CN102014372A CN 102014372 A CN102014372 A CN 102014372A CN 201010566561X A CN201010566561X A CN 201010566561XA CN 201010566561 A CN201010566561 A CN 201010566561A CN 102014372 A CN102014372 A CN 102014372A
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Abstract
The invention discloses a method, a device and a system for controlling service data traffic distribution, which relate to the field of communication network. The method specifically comprises that: a data gateway receives data traffic distribution ways supported by an application server and a terminal per se from the application server and the terminal; according to the received data traffic distribution ways published by the terminal and the application server, the data gateway selects the traffic distribution way supported by both the terminal and the application server; and after receiving messages of subscribing the data traffic distribution way from the terminal and the application server, the data gateway informs the terminal and the application server of the selected traffic distribution way. In the prior art, data traffic can be distributed by a plurality of ways, and the terminal cannot establish a plurality of data links when finding the area of the terminal is covered by a plurality of networks. In the method and the device provided by the invention, the balance of loads applied to each data link is effectively realized.
Description
Technical field
(Wireless Local Area Network WLAN) and the 3G communication network field, relates in particular to a kind of control method, Apparatus and system of business datum shunting to the present invention relates to WLAN (wireless local area network).
Background technology
Along with the continuous maturation of WCDMA, CDMA2000 and TDSCDMA industrial chain, 3G subscription quantity constantly increases, and 3G mobile communication application business becomes increasingly abundant, and the contradiction between the business demand of mobile network's bearing capacity and big flow, high bandwidth becomes increasingly conspicuous.Mobile subscriber's distribution and professional handling characteristics are often at specific commerce, traffic and Administrative Area, and the mobile subscriber is very concentrated, and it is big on average to reach the moment flow.3G technology is difficult to support lot of data customer multi-media demands of applications.
And WLAN and 3G are two kinds of complementary very strong technology.3G have the advantage of wide coverage, support high-speed mobile, but speed is relatively low as a kind of mobile communication technology; WLAN relative speed height, but coverage is narrow, support limited mobility.WLAN has higher bandwidth, has remedied the lower deficiency of 3G speed; WLAN can support more data user relatively, remedies the deficiency of 3G subscription capacity; Terminal equipment with WLAN function is popularized, and provides great convenience for 3G unloads the pressure of eating dishes without rice or wine to WLAN; The wlan device cost is low, and suitable again place is replenished WLAN when disposing 3G, then the effect that can obtain to get twice the result with half the effort.Therefore fixed network and mobile integration technology more and more receive publicity, the main purpose that merges is exactly the mobile data network that development makes new advances, make and to support ubiquitous data service with very high data rate, alleviate the pressure on the data traffic that the professional 3G mobile network of giving of mass data brings simultaneously at hot zones.Because it is multiple that the mode of data distribution has, and the processing method of different its corresponding convergences of data distribution mode also is not quite similar.When terminal finds that there is a plurality of network coverage in zone of living in, can not set up a plurality of data link, cause the problem of the wasting of resources.
Summary of the invention
The invention provides a kind of control method, Apparatus and system of business datum shunting, be used for solving prior art when terminal finds that there is a plurality of network coverage in zone of living in, can not set up a plurality of data link, cause the problem of the wasting of resources.
The embodiment of the invention provides a kind of control method of business datum shunting, comprising:
Data gateway receives the data distribution mode of application server self support of application server issue in advance;
Data gateway is after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support;
Data gateway is after the message of the subscription data shunting mode that receives the transmission of terminal and application server, and shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
The invention provides the control system that a kind of business datum is shunted according to said method, comprising:
Terminal is used for after initiating application, if there are many data link simultaneously, and to the data distribution mode of data gateway issue self support, and the data distribution mode of subscription data gateway selection;
Data gateway, the data distribution mode that is used for the issue of receiving terminal and application server, and according to the data distribution mode of terminal and application server issue, the shunting mode of selecting terminal and application server all to support is notified to terminal and application server, makes terminal and application server carry out transfer of data by the data distribution mode of selecting;
Application server is used for issuing the data distribution mode of self supporting to data gateway in advance, and the data distribution mode of subscription data gateway selection.
The invention provides a kind of control device of data distribution according to said method, comprising:
Data distribution mode receiver module is used to receive the data distribution mode that the application server self of application server issue is supported;
Data distribution mode determination module, be used for data gateway after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support;
Notification module, be used to receive the message of the subscription data shunting mode that terminal and application server send after, shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
Use method provided by the invention, Apparatus and system, terminal and application server are after consulting the business datum shunting mode, just can begin in shunting of the enterprising line data of multilink and convergence processing, thereby more effectively realize being applied in load balance on each bar data link.
Description of drawings
Fig. 1 is the flow chart of the control method of a kind of business datum shunting of the embodiment of the invention;
Fig. 2 is the control device structure chart of a kind of data distribution of the embodiment of the invention;
Fig. 3 is the control system structure chart of a kind of business datum shunting of the embodiment of the invention;
Fig. 4 is the schematic flow sheet in concrete application of control method of a kind of business datum shunting that the embodiment of the invention provided.
Embodiment
The embodiment of the invention provides a kind of control method of business datum shunting, and this method comprises: data gateway receives the data distribution mode of application server self support of application server issue in advance; Data gateway is after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support; Data gateway is after the message of the subscription data shunting mode that receives the transmission of terminal and application server, and shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
As shown in Figure 1, the control method of a kind of business datum shunting that the embodiment of the invention provided specifically comprises step:
Signaling between this application server and the data gateway adopts Session Initiation Protocol, and application server is by the data distribution mode of SIP Publish message to data gateway issue self support.
No matter terminal sets up data by the mobile access network of 2G/3G with xGW links, still setting up the tunnel by WLAN sets up data with xGW and links, many the data that sGW can preserve simultaneously with terminal link, and on different data link, give the identical IP address of terminal distribution, terminal can be shunted business datum on multilink, reach the load balance on each bar link.
Wherein, the mode of data distribution can have multiple, as data flow is packet-by-packet shunted, shunts by the TCP connection of this application, and dissimilar medium are shunted (as audio).For different shunting modes, data receiver's convergence mode also is not quite similar.Simultaneously, for different application, business datum shunting mode and the convergence mode supported are also inequality.Which kind of therefore after terminal is having many data link to exist and determining to carry out data distribution, be necessary and the definite data distribution mode of using of application server negotiation.
Signaling between terminal and data gateway, the application server adopts Session Initiation Protocol, and each header field field of SIP signaling adopts standard definition, and Register adopts the reference format of RFC3261 normalized definition.Terminal and application server are issued the data distribution mode of each self-supporting to data gateway by SIP Publish message.Message body is adopted self-defined XML coded format, and concrete form can be following form:
<offload_list>
<listitem>
<offload_method>tcp</offload_method>
<priority>1</priority>
</listitem>
<listitem>
<offload_method>packet</offload_method>
<priority>1</priority>
</listitem>
</offload_list>
In this embodiment, above-mentioned encode fragment is just used the example that the XML form provides, and also other expansions can be arranged.Wherein comprised different shunt methods among each listitem, comprised two attributes, offload_method is concrete shunt method, and priority is the priority of this method.
In embodiments of the present invention, terminal and application server to the data distribution mode of data gateway issue self support and the specific implementation flow process of subscription data shunting mode can be:
The data distribution mode that application server self is supported to the data gateway issue by signaling SIP Publish;
Terminal is after data gateway is initiated the data distribution request, by the data distribution mode of signaling SIP Publish to data gateway issue self support;
The data distribution mode that application server and terminal are selected to data gateway subscription data gateway by signaling SIP Subscribe.
As shown in Figure 2, also provide a kind of control device of data distribution, comprising according to the said method embodiment of the invention:
Data distribution mode receiver module 201 is used to receive the data distribution mode that the application server self of application server issue is supported;
This data distribution mode receiver module 201 also is used for after the application request that receives the terminal initiation, and preservation simultaneously links with many data of terminal, and gives the identical IP address of terminal distribution on different data link.
Data distribution mode determination module 202, be used for after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support;
Notification module 203, after being used to receive the message of the subscription data shunting mode that terminal and application server send, shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
In addition, as shown in Figure 3, the control system according to the said method embodiment of the invention also provides a kind of business datum to shunt comprises:
Terminal 301 is used for after initiating application, if there are many data link simultaneously, and to the data distribution mode of data gateway issue self support, and the data distribution mode of subscription data gateway selection;
Described in embodiments of the present invention terminal is the multimode terminal that possesses at least two kinds of network accessibilities.Simultaneously, terminal, data gateway and application server must be supported Session Initiation Protocol.
Wherein, because terminal, data gateway and application server are supported Session Initiation Protocol, so:
The data distribution mode that described terminal 301 and application server 303 self are supported to data gateway 302 issues by signaling SIP Publish, and application server 303 is subscribed to the data distribution mode that this data gateway 302 is selected by signaling SIP Subscribe to data gateway in the described terminal.
For, terminal 301 can be shunted business datum on multilink, reach the load balance on each bar link:
After described data gateway 302 received the application request of terminal initiation, preservation simultaneously linked with many data of terminal, and gives the identical IP address of terminal distribution on different data link.
As shown in Figure 4, according to said system, the method specific implementation flow process that the embodiment of the invention provided can be:
The user initiates a certain mobile grouping field when professional by terminal, terminal needs data gateway GGSN (the Gateway GPRS Support Node with the 2G/3G mobile network, Gateway GPRS Support Node) sets up the data link and insert mobile packet network, or pass through wlan network, set up the tunnel and finally visit mobile packet network with TTG (Tunnel Terminal Gateway, tunneling termination is set up gateway) by GGSN.Because in this network configuration, GGSN supports Session Initiation Protocol, therefore GGSN is renamed as sGGSN; Simultaneously TTG makes terminal can visit the mobile Packet Service of 2G/3G network by WLAN, and its function is to set up the tunnel with terminal and finally by sGGSN visit mobile grouping field, therefore can be with TTG and sGGSN logically and be a network element xGW.
The user is after initiating application on the terminal, and triggering terminal is set up data with xGW and linked, and when terminal finds that there is a plurality of network coverage in zone of living in, then sets up a plurality of data link simultaneously.Terminal was issued the data distribution mode of its support by signaling SIP Publish to xGW before business datum is shunted, and every kind of mode is carried out priority arrangement.
The data distribution mode that terminal is all supported to the terminal and the application server of the selection of xGW subscription data gateway by SIP Subscribe.On the other hand, application server is also issued data distribution mode and the terminal of subscription data gateway selection and the data distribution mode that application server is all supported of its support in advance to xGW.XGW is after SIP Publish that receives terminal and application server and Subscribe message, data distribution mode according to both sides' issue, select the data distribution mode that both sides support and priority is the highest, send SIP Notify message, the business datum shunting mode that both advised is finally determined to terminal and application server.
In the method and apparatus provided by the present invention, terminal and application server all are published to data gateway with the data distribution mode that self supports, the data gateway data distribution mode of selecting terminal and application server all to support according to the data distribution mode of terminal and application server again then, terminal and application server can be shunted and convergence processing at the enterprising line data of multilink, thereby more effectively realize being applied in the load balance on each bar data link.
Method of the present invention is not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the control method of a business datum shunting is characterized in that, comprising:
Data gateway receives the data distribution mode of application server self support of application server issue in advance;
Data gateway is after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support;
Data gateway is after the message of the subscription data shunting mode that receives the transmission of terminal and application server, and shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
2. the method for claim 1 is characterized in that, after described data gateway received the application request of terminal initiation, preservation simultaneously linked with many data of terminal, and gives the identical IP address of terminal distribution on different data link.
3. the method for claim 1 is characterized in that, the mode of described data distribution comprises: data flow is packet-by-packet shunted, shunted, dissimilar medium are shunted by the TCP connection of this application.
4. the method for claim 1 is characterized in that, the signaling between described terminal, application server and the data gateway adopts Session Initiation Protocol.
5. method as claimed in claim 4 is characterized in that, terminal and application server comprise to data gateway issue and subscription data shunting mode:
The data distribution mode that application server self is supported to the data gateway issue by signaling SIP Publish;
Terminal is after data gateway is initiated the data distribution request, by the data distribution mode of signaling SIP Publish to data gateway issue self support;
The data distribution mode that application server and terminal are selected to data gateway subscription data gateway by signaling SIP Subscribe.
6. the control system of a business datum shunting is characterized in that, comprising:
Terminal is used for after initiating application, if there are many data link simultaneously, and to the data distribution mode of data gateway issue self support, and the data distribution mode of subscription data gateway selection;
Data gateway, the data distribution mode that is used for the issue of receiving terminal and application server, and according to the data distribution mode of terminal and application server issue, the shunting mode of selecting terminal and application server all to support is notified to terminal and application server, makes terminal and application server carry out transfer of data by the data distribution mode of selecting;
Application server is used for issuing the data distribution mode of self supporting to data gateway in advance, and the data distribution mode of subscription data gateway selection.
7. system as claimed in claim 6, it is characterized in that, the data distribution mode that described terminal and application server self are supported to the data gateway issue by signaling SIP Publish, and application server is subscribed to the data distribution mode that this data gateway is selected by signaling SIP Subscribe to data gateway in the described terminal.
8. system as claimed in claim 6 is characterized in that, after described data gateway received the application request of terminal initiation, preservation simultaneously linked with many data of terminal, and gives the identical IP address of terminal distribution on different data link.
9. the control device of a data distribution is characterized in that, comprising:
Data distribution mode receiver module is used to receive the data distribution mode that the application server self of application server issue is supported;
Data distribution mode determination module, be used for data gateway after the data distribution mode that the terminal self that receives the terminal issue is supported, according to the data distribution mode of terminal that receives and application server issue, the shunting mode of selecting described terminal and application server all to support;
Notification module, be used to receive the message of the subscription data shunting mode that terminal and application server send after, shunting mode notice terminal and application server with selecting make terminal and application server carry out transfer of data by the data distribution mode of selecting.
10. device as claimed in claim 9, it is characterized in that, described data distribution mode receiver module also is used for after the application request that receives the terminal initiation, and preservation simultaneously links with many data of terminal, and gives the identical IP address of terminal distribution on different data link.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010566561.XA CN102014372B (en) | 2010-11-30 | 2010-11-30 | Method, device and system for controlling service data traffic distribution |
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|---|---|---|---|
| CN201010566561.XA CN102014372B (en) | 2010-11-30 | 2010-11-30 | Method, device and system for controlling service data traffic distribution |
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| CN102014372A true CN102014372A (en) | 2011-04-13 |
| CN102014372B CN102014372B (en) | 2014-11-05 |
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| CN201010566561.XA Expired - Fee Related CN102014372B (en) | 2010-11-30 | 2010-11-30 | Method, device and system for controlling service data traffic distribution |
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| CN103119980A (en) * | 2012-09-29 | 2013-05-22 | 华为技术有限公司 | Method and apparatus of data distribution |
| CN106063330A (en) * | 2014-01-30 | 2016-10-26 | 英特尔Ip公司 | Systems, methods and devices for application specific routing in dual connectivity |
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