CN102480479A - Business processing method and system - Google Patents
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- CN102480479A CN102480479A CN2010105675950A CN201010567595A CN102480479A CN 102480479 A CN102480479 A CN 102480479A CN 2010105675950 A CN2010105675950 A CN 2010105675950A CN 201010567595 A CN201010567595 A CN 201010567595A CN 102480479 A CN102480479 A CN 102480479A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1881—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with schedule organisation, e.g. priority, sequence management
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Abstract
The invention discloses a business processing method and system. A corresponding multicast stream is introduced in from a top network all by user multicast group information synchronized from master broadband network gateway (BNG) equipment by spare BNG equipment; and after the master BNG equipment and the spare BNG equipment are switched, the spare BNG equipment directly sends the multicast stream which is introduced in to a user. According to the method and system disclosed by the invention, a mode of synchronously introducing in the corresponding multicast stream of the user multicast group by the spare BNG equipment is adopted by aiming at videos or other data businesses and the like, multicast stream interruption time caused in the master BNG equipment and the spare BNG equipment switching process can be reduced so as to immediately recover the user multicast stream while the master BNG equipment and the spare BNG equipment are switched, the perception degree on the video business interruption by the user can be greatly reduced or even eliminated, and the video business brand of an operator is improved while user experience is improved.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of method for processing business and system.
Background technology
In recent years; The develop rapidly of media industry has driven the continuous lifting of video service quality and the sharp increase of video frequency program quantity; Video traffic has also broken away from traditional single mode by STB/television reception; Mode to multiple receiving terminals such as PC, mobile phones develops, more extensively, the personal consumption field of affect people's more in depth.Simultaneously; The flourish of video traffic had higher requirement to bearer network in many aspects such as bandwidth, reliabilities, and the service bearer mode is also progressively broadcasted transmission simultaneously by whole programs in the past and carried out the transition to the multicast of on-demand and the some broadcast mode that clean culture combines.
Multicast is current IP (Internet Protocol; Internet protocol) the main bearing mode of video traffic; In broadband access network; The control point of user multicast service is in Service Edge (service edge) layer of network, is generally BNG (Broadband Network Gateway, wideband network gateway) equipment.Every BNG equipment is being managed thousands of even up to ten thousand broadband users simultaneously; Functions such as responsible user's multicast authority management, flux of multicast distribution; In case this device fails or break down with the connectedness of levels network; To cause a large number of users video traffic to interrupt, for operator brings heavy losses.For this reason, BNG equipment need possess the high reliability to multicast service, ensures the continuity that user video is professional, the Service Brand of protection operator.Said BNG equipment comprise following one of at least: BAS (Broadband Access Server; BAS Broadband Access Server), BRAS (Broadband Remote Access Server; Broadband Remote Access Server), BNAS (Broadband Network Access Server; Wideband network access server), LNS (L2TP Network Server; L2TP Network Server), SR (Service Router, business router), SGW (Serving Gateway, LTE Service Gateway) etc.
Existing multicasting service protecting method has multiple; Wherein the fault protecting method to BNG equipment and uplink downlink thereof is: dispose two BNG equipment (being respectively main) with BNG equipment and subsequent use BNG equipment, and in two equipment room simultaneous user information and user multicast service information (comprising multicast group information and authorized user message).When the master broke down with BNG equipment or its uplink downlink, the quick perception of subsequent use BNG equipment also automatically switched to the main state of using, to guarantee that fault the front and back user is taken place need not manually to obtain again video frequency program.Concrete network topology is as shown in Figure 1.
But; Subsequent use BNG equipment main still need from upper layer network, to introduce multicast data flow again according to before synchronous user multicast group information and authorized user message after with state (BNG and upper layer network adopts multicast routing protocol usually becoming; The multicast drainage time is second a level), therefore for the user, still can perceive the short interruption of video traffic; This obviously can reduce user experience, is unfavorable for that operator promotes video traffic.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method for processing business and system, avoids service disconnection as far as possible, promotes user experience.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method for processing business, this method comprises:
Subsequent use wideband network gateway BNG equipment is introduced corresponding multicast data flow according to main user multicast group information of coming with the BNG device synchronization from upper layer network; After the active and standby switching of BNG equipment took place, subsequent use BNG equipment directly sent to the user with the multicast data flow of being introduced.
The said method of introducing corresponding multicast data flow is:
Subsequent use BNG equipment is after receiving main user multicast group information of coming with the BNG device synchronization; Search local multicast routing table; To the multicast group that does not comprise in the local routing table, from upper layer network, introduce the corresponding multicast data flow of these multicast group through multicast routing protocol.
Said multicast path between subsequent use BNG equipment and upper layer network is by following multicast routing protocol, comprises at least a in IGMP agreement, PIM agreement, the multicasting VPN agreement.
The type of said BNG equipment comprise following one of at least: BAS Broadband Access Server BAS, Broadband Remote Access Server BRAS, wideband network access server BNAS, L2TP Network Server LNS, business router SR, LTE Service Gateway.
Said multicast data flow is corresponding to video traffic.
A kind of transaction processing system, this system comprises multicast data flow introducing unit, multicast data flow retransmission unit; Wherein,
Said multicast data flow is introduced the unit, is used for the user multicast group information of coming with the BNG device synchronization according to main, from upper layer network, introduces the multicast data flow of correspondence, and the multicast data flow of being introduced is notified to the multicast data flow retransmission unit;
Said multicast data flow retransmission unit is used for after the active and standby switching of BNG equipment takes place, and the said multicast data flow that directly will introduce sends to the user.
When said multicast data flow is introduced the multicast data flow of unit introducing correspondence, be used for:
After receiving main user multicast group information of coming with the BNG device synchronization, search local multicast routing table, to the multicast group that does not comprise in the local routing table, from upper layer network, introduce the corresponding multicast data flow of these multicast group through multicast routing protocol.
Said multicast data flow is introduced said multicast path between unit and upper layer network by following multicast routing protocol, comprises at least a in IGMP agreement, PIM agreement, the multicasting VPN agreement.
The type of said BNG equipment comprise following one of at least: BAS, BRAS, BNAS, LNS, SR, LTE Service Gateway.
Said multicast data flow is corresponding to video traffic;
Said multicast data flow is introduced unit, multicast data flow retransmission unit, all is arranged in the subsequent use BNG equipment.
Method for processing business of the present invention and system; Can adopt subsequent use BNG device synchronization to introduce the mode of the corresponding multicast data flow of user multicast group to video or other data service etc.; Therefore can reduce the multicast data flow break period of causing in the active and standby handoff procedure of BNG equipment; To reach the effect of in the active and standby switching of BNG equipment (can realize the switching effect of Millisecond at present), recovering user multicast stream immediately; Significantly reduce even eliminate the perceptibility that the user is interrupted for video traffic, promote operator's video traffic brand when promoting user experience.
Description of drawings
Fig. 1 is a network topology sketch map involved in the present invention;
Fig. 2 is a business processing flow sketch of the present invention;
Fig. 3 is the network topology sketch map of first embodiment of the invention;
Fig. 4 is the business processing flow figure of first embodiment of the invention;
Fig. 5 is the network topology sketch map of second embodiment of the invention;
Fig. 6 is the business processing flow figure of second embodiment of the invention;
Fig. 7 is the transaction processing system figure of the embodiment of the invention.
Embodiment
Under BNG equipment or its uplink downlink failure condition; In order to guarantee the continuity of user multicast service; Can be on existing basis of striding BNG device backup user multicast service information technology (concrete network topology is as shown in Figure 1); From upper layer network, introduce corresponding multicast data flow by subsequent use BNG equipment according to the user multicast group information of receiving, after active and standby switching takes place, multicast data flow is directly sent to the user.The aforesaid operations mode can reduce the flux of multicast break period in the active and standby handoff procedure, on the basis of the active and standby handoff technique of existing Millisecond, can realize the effect that not perception of user video traffic in failover front and back interrupts.Certainly, in practical application, concrete class of business possibly have many kinds, rather than it is a kind of only to be limited to video traffic, also can be other data service etc.Below, only be that example is described with the video traffic.
According to above-mentioned analysis,, can carry out step as shown in Figure 2 from the angle of operation thinking in order to ensure the video traffic continuity:
Step 210: subsequent use BNG equipment is introduced corresponding multicast data flow according to main user multicast group information of coming with the BNG device synchronization from upper layer network.
Step 220: after the active and standby switching of BNG equipment took place, subsequent use BNG equipment directly sent to the user with the multicast data flow of being introduced.
Further, the successional method of above-mentioned guarantee video traffic also can have following characteristics:
Subsequent use BNG equipment is after receiving main user multicast group information of coming with the BNG device synchronization; Search local multicast routing table; To the multicast group that does not comprise in the local routing table, from upper layer network, introduce the corresponding multicast data flow of these multicast group through multicast routing protocol.So, can guarantee on subsequent use BNG equipment has been introduced the basis of some multicast data flow (for example this equipment simultaneously as other users main with or subsequent use BNG equipment), can not repeat to introduce the corresponding multicast data flow of same multicast group.
Multicast routing protocol between subsequent use BNG equipment and upper layer network comprises at least a in IGMP agreement, PIM agreement, the multicasting VPN agreement.
The type of BNG equipment comprise following one of at least: BAS, BRAS, BNAS, LNS, SR, SGW etc.
Below, in conjunction with accompanying drawing and embodiment the present invention is elaborated.
First embodiment: as shown in Figure 3; Carry out Link State and detect with BFD (Bidirectional Forwarding Detection, two-way forwarding detects) agreement between two BNG equipment, with VRRP (Virtual Router Redundancy Protocol; Virtual Router Redundancy Protocol) agreement is carried out the switching of BNG equipment state; Realize user ID and user multicast information back-up, wherein BNG1 is a host apparatus, and BNG2 is a stand-by equipment.
The concrete business processing flow that network topology shown in Figure 3 can be carried out is as shown in Figure 4.Referring to Fig. 4, Fig. 4 is the business processing flow figure of first embodiment of the invention, and this flow process may further comprise the steps:
Step 401 is set up a TCP and is connected with as message channel, in order to backup online user's information (comprising user multicast service information) between BNG1 and BNG2;
Step 402, operation BFD agreement on active and standby BNG equipment respectively, with detect between the active and standby BNG equipment, network connectivty between BNG1 and the lower floor's equipment, between BNG2 and the lower floor's equipment, between active and standby BNG and the upper layer network equipment;
Step 403, operation VRRP agreement is related with the BNG activestandby state between lower floor's equipment of BNG1 and BNG2, and configuration BNG1 leads that to use BNG equipment, BNG2 be subsequent use BNG equipment;
Step 404, BNG1 sends to BNG2 through said message channel with online user's information (comprising user multicast service information);
Step 405, the user multicast group information that BNG2 comes according to BNG1 is synchronously introduced corresponding multicast data flow from upper layer network;
Step 406, when the network failure between BNG1 and the lower floor's equipment, BNG1 and BNG2 find fault through the BFD testing mechanism, and realize that through the VRRP handover mechanism activestandby state exchanges;
Step 407, active and standby switching takes place in two BNG equipment, and BNG2 sends to the user according to user multicast group information with multicast data flow.
Second embodiment: as shown in Figure 5; In three BNG equipment; BNG1, BNG2 are host apparatus, and BNG3 is a stand-by equipment, and operation BFD agreement is carried out Link State and detected between BNG1 and the BNG3, between BNG2 and the BNG3; Move the VRRP agreement simultaneously and carry out the switching of BNG equipment state, realize that utilizing a BNG equipment is the function that many BNG equipment provide backup.
The concrete business processing flow that network topology shown in Figure 5 can be carried out is as shown in Figure 6.Referring to Fig. 6, Fig. 6 is the business processing flow figure of second embodiment of the invention, and this flow process may further comprise the steps:
Step 604, BNG1 and BNG2 send to BNG3 through said message channel with online user's information (comprising user multicast service information) respectively;
Step 609 is accomplished online user's information (comprising user multicast service information) backup between BNG1 and the BNG3, the user multicast group information that BNG1 comes according to the BNG3 device synchronization is introduced corresponding multicast data flow from upper layer network;
In order to guarantee that above-mentioned operation thinking and embodiment can realize smoothly, can carry out setting as shown in Figure 7.Referring to Fig. 7, Fig. 7 is the transaction processing system figure of the embodiment of the invention, and this system comprises continuous multicast data flow introducing unit, multicast data flow retransmission unit; Said units all can be arranged in the subsequent use BNG equipment.
During practical application, multicast data flow is introduced the unit can introduce corresponding multicast data flow according to main user multicast group information of coming with the BNG device synchronization from upper layer network, and the multicast data flow of being introduced is notified to the multicast data flow retransmission unit; After the active and standby switching of BNG equipment took place, the said multicast data flow that directly will be introduced by the multicast data flow retransmission unit sent to the user.
Visible in sum; No matter be method or system; Method for processing business of the present invention and system; Can adopt subsequent use BNG device synchronization to introduce the mode of the corresponding multicast data flow of user multicast group to video or other data service etc., therefore can reduce the multicast data flow break period of causing in the active and standby handoff procedure of BNG equipment, to reach the effect of in the active and standby switching of BNG equipment (can realize the switching effect of Millisecond at present), recovering user multicast stream immediately; Significantly reduce even eliminate the perceptibility that the user is interrupted for video traffic, promote operator's video traffic brand when promoting user experience.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for processing business is characterized in that, this method comprises:
Subsequent use wideband network gateway BNG equipment is introduced corresponding multicast data flow according to main user multicast group information of coming with the BNG device synchronization from upper layer network; After the active and standby switching of BNG equipment took place, subsequent use BNG equipment directly sent to the user with the multicast data flow of being introduced.
2. method according to claim 1 is characterized in that, the said method of introducing corresponding multicast data flow is:
Subsequent use BNG equipment is after receiving main user multicast group information of coming with the BNG device synchronization; Search local multicast routing table; To the multicast group that does not comprise in the local routing table, from upper layer network, introduce the corresponding multicast data flow of these multicast group through multicast routing protocol.
3. method according to claim 2 is characterized in that, the said multicast path between subsequent use BNG equipment and upper layer network is by following multicast routing protocol, comprises at least a in IGMP agreement, PIM agreement, the multicasting VPN agreement.
4. according to each described method of claim 1 to 3; It is characterized in that, the type of said BNG equipment comprise following one of at least: BAS Broadband Access Server BAS, Broadband Remote Access Server BRAS, wideband network access server BNAS, L2TP Network Server LNS, business router SR, LTE Service Gateway.
5. method according to claim 4 is characterized in that said multicast data flow is corresponding to video traffic.
6. a transaction processing system is characterized in that, this system comprises multicast data flow introducing unit, multicast data flow retransmission unit; Wherein,
Said multicast data flow is introduced the unit, is used for the user multicast group information of coming with the BNG device synchronization according to main, from upper layer network, introduces the multicast data flow of correspondence, and the multicast data flow of being introduced is notified to the multicast data flow retransmission unit;
Said multicast data flow retransmission unit is used for after the active and standby switching of BNG equipment takes place, and the said multicast data flow that directly will introduce sends to the user.
7. system according to claim 6 is characterized in that, when said multicast data flow is introduced the multicast data flow of unit introducing correspondence, is used for:
After receiving main user multicast group information of coming with the BNG device synchronization, search local multicast routing table, to the multicast group that does not comprise in the local routing table, from upper layer network, introduce the corresponding multicast data flow of these multicast group through multicast routing protocol.
8. system according to claim 7 is characterized in that, said multicast data flow is introduced said multicast path between unit and upper layer network by following multicast routing protocol, comprises at least a in IGMP agreement, PIM agreement, the multicasting VPN agreement.
9. according to each described system of claim 6 to 8, it is characterized in that, the type of said BNG equipment comprise following one of at least: BAS, BRAS, BNAS, LNS, SR, LTE Service Gateway.
10. system according to claim 9 is characterized in that,
Said multicast data flow is corresponding to video traffic;
Said multicast data flow is introduced unit, multicast data flow retransmission unit, all is arranged in the subsequent use BNG equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105675950A CN102480479A (en) | 2010-11-30 | 2010-11-30 | Business processing method and system |
| PCT/CN2011/079991 WO2012071933A1 (en) | 2010-11-30 | 2011-09-22 | Method and system for service processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105675950A CN102480479A (en) | 2010-11-30 | 2010-11-30 | Business processing method and system |
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| WO (1) | WO2012071933A1 (en) |
Cited By (3)
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| CN103973518A (en) * | 2014-05-28 | 2014-08-06 | 重庆重邮汇测通信技术有限公司 | Method and device for detecting virtual local area network by adopting packet internet grope |
| CN104038362B (en) * | 2013-03-08 | 2018-03-23 | 中国移动通信集团广东有限公司 | A kind of network system |
| CN108234358A (en) * | 2017-12-29 | 2018-06-29 | 新华三技术有限公司 | A kind of multicast message transmission method, device and machine readable storage medium |
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| CN1852144A (en) * | 2005-09-06 | 2006-10-25 | 华为技术有限公司 | Main/standby board back-up in access-in apparatus and rearranging method therefor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104038362B (en) * | 2013-03-08 | 2018-03-23 | 中国移动通信集团广东有限公司 | A kind of network system |
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| CN103973518B (en) * | 2014-05-28 | 2017-08-04 | 重庆重邮汇测通信技术有限公司 | The method and device of VLAN is detected using the Internet packets survey meter |
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| CN108234358B (en) * | 2017-12-29 | 2021-09-21 | 新华三技术有限公司 | Multicast message transmission method, device and machine readable storage medium |
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| WO2012071933A1 (en) | 2012-06-07 |
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Application publication date: 20120530 |