CN102546395A - Service scheduling method and service scheduling device based on Layer 2 Virtual Private Networks (L2VPN) - Google Patents
Service scheduling method and service scheduling device based on Layer 2 Virtual Private Networks (L2VPN) Download PDFInfo
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Abstract
The invention provides a service scheduling method and a service scheduling device based on Layer 2 Virtual Private Networks (L2VPN). The method includes: dividing all accessed L2VPN service flows in queues according to service types; and scheduling the L2VPN service flows in each queue in layering mode according to the service strategies respectively configured based on a plurality of attributes of the L2VPN service flows in advance and values of corresponding attributes of the L2VPN service flows in each queue. The plurality of attributes comprise priority levels, virtual channels (VCs), tunnels and ports. The method and the device solve problems of poor system service quality and high network construction cost in the prior art due to the fact that uniform and integrated layered control scheduling service on the L2VPN cannot be achieved, and can ensure quality of service provided for users by the system, accordingly service quality of the system is improved, and network construction cost is reduced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of business scheduling method and device based on L2VPN (Layer 2 Virtual Private Networks, two-layer virtual private network) network.
Background technology
L2VPN is a kind of service of virtual private local area network, and it simulates a traditional local area network (LAN).The user it seems that the network of service provider is just as a pure Layer 2 switch; The whole benefits that not only have Ethernet architecture; And has better extensibility, reliability and QoS (Quality of Service than traditional ethernet; Network service quality) ability such as, the advantage of collection Ethernet and MPLS (MultiProtocol Label Switching, multi protocol label exchanges) is in one.
Along with the increase of L2VPN user and type of service, press for a kind of flow that can control the user, the QoS technology that can dispatch customer service priority simultaneously again; Yet; Existing Service Quality Management is based on port bandwidth the flow of customer service is dispatched, and this scheduling mode is only responsive to business service grade, and is to the customer service type insensitive; Be fit to network side, and be not suitable for the service access side; In addition, existing Service Quality Management is difficult to accomplish simultaneously a plurality of business of a plurality of users are carried out service quality control; Simultaneously; Existing hierarchical service quality scheme is difficult to realize the unified whole control dispatch service based on user and type of service; Therefore; To the hierarchical service quality model of vpn service lack of uniform, thereby can not guarantee the service quality of advanced level user, also improve the cost of net structure on the whole.
Summary of the invention
The invention provides a kind of business scheduling method and device, can not unify whole hierarchical control dispatch service and the high problem of system service quality constructions cost low, network that causes to L2VPN to solve at least in the correlation technique based on the L2VPN network.
According to an aspect of the present invention, a kind of business scheduling method based on the L2VPN network is provided, it comprises: each L2VPN Business Stream that inserts is carried out formation according to type of service divide; According to the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream in advance; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling; Wherein, a plurality of attributes comprise: priority, VC (Virtual Channel, pseudo channel), tunnel and port.
Preferably; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling; Above-mentioned business scheduling method based on the L2VPN network comprises: the ground floor scheduling node based on the service strategy of priority configuration, is dispatched each formation to second layer scheduling node according in advance according to the priority of the L2VPN Business Stream in each formation; Second layer scheduling node is based on the VC sign of L2VPN Business Stream in each formation of current scheduling to second layer scheduling node; According to the service strategy that disposes based on VC in advance; Each formation of scheduling current scheduling to second layer scheduling node, wherein, VC identifies corresponding unique L2VPN user.
Preferably; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling; Above-mentioned business scheduling method based on the L2VPN network also comprises: the 3rd layer of scheduling node is dispatched to the tunnel label of L2VPN Business Stream in each formation of the 3rd layer of scheduling node based on second layer scheduling node, according in advance based on the service strategy of tunnel configuration, four layers of scheduling node of each formation to the of three layers of scheduling node of scheduling current scheduling to the; The 4th layer of scheduling node carries out bulk flow shaping and control according to the service strategy that disposes based on outbound port in advance to the L2VPN Business Stream of dispatching out from the L2VPN outbound port.
Preferably, dispose the service strategy based on the tunnel in such a way: according to the needs of outbound port, configuration is based on the service strategy in tunnel, and is wherein, identical or inequality for the service strategy of different tunnel configuration.
Preferably, dispose the service strategy based on VC in such a way: according to the needs based on the service strategy of tunnel configuration, configuration is based on the service strategy of VC, and wherein, the service strategy of different VC configurations is identical or inequality.
Preferably, dispose the service strategy based on priority in such a way: according to the needs of the service strategy that disposes based on VC, configuration is based on the service strategy of priority.
According to a further aspect in the invention, a kind of service dispatching device based on the L2VPN network is provided, it comprises: division unit is used for that each L2VPN Business Stream that inserts is carried out formation according to type of service and divides; Scheduling unit; Be used for the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream according in advance; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling, wherein, a plurality of attributes comprise: priority, pseudo channel, tunnel and port.
Preferably, scheduling unit comprises: first scheduler module, be used for priority according to the L2VPN Business Stream of each formation, and based on the service strategy of priority configuration, dispatch each formation to second layer scheduling node according in advance; Second scheduler module; Be used for VC sign based on each formation L2VPN Business Stream of current scheduling to second layer scheduling node, according to the service strategy that disposes based on VC in advance, each formation of scheduling current scheduling to second layer scheduling node; Wherein, VC identifies corresponding unique L2VPN user.
Preferably; Scheduling unit comprises: the 3rd scheduler module; Be used for being dispatched to the tunnel label of each formation L2VPN Business Stream of the 3rd layer of scheduling node based on second layer scheduling node; Based on the service strategy of tunnel configuration, dispatch four layers of scheduling node of each formation to the of three layers of scheduling node of current scheduling to the according in advance; The 4th scheduler module is used for according in advance based on the service strategy of outbound port configuration the L2VPN Business Stream of dispatching out from the L2VPN outbound port being carried out bulk flow shaping and control.
Preferably, the 3rd scheduler module comprises: the first configuration submodule, be used for needs according to outbound port, and configuration is based on the service strategy in tunnel, and is wherein, identical or inequality for the service strategy of different tunnel configuration.
Preferably, second scheduler module comprises: the second configuration submodule, be used for the needs of basis based on the service strategy of tunnel configuration, and configuration is based on the service strategy of VC, and wherein, the service strategy of different VC configurations is identical or inequality.
Preferably, first scheduler module comprises: the 3rd configuration submodule, be used for needs according to the service strategy that disposes based on VC, and configuration is based on the service strategy of priority.
In the present invention; After each L2VPN Business Stream carried out formation and divide according to type of service; Value according to L2VPN Business Stream respective attributes; Service strategy according to disposing respectively based on a plurality of attributes of L2VPN Business Stream is in advance carried out the layering scheduling to the L2VPN Business Stream,, has realized controlling with the scheduling mode of stratification the overall quality of service of one or more Business Streams that is; Solved in the correlation technique and can not unify whole hierarchical control dispatch service and the high problem of system service quality constructions cost low, network that causes L2VPN; Can guarantee the service quality that system provides to the user, thereby improve the service quality of system, reduce the constructions cost of network.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is a kind of preferred construction figure based on the service dispatching device of L2VPN network according to the embodiment of the invention;
Fig. 2 is a kind of preferred construction figure according to the scheduling unit of the embodiment of the invention;
Fig. 3 is the another kind of preferred construction figure according to the scheduling unit of the embodiment of the invention;
Fig. 4 is a kind of preferred construction figure according to the 3rd scheduler module of the embodiment of the invention;
Fig. 5 is a kind of preferred construction figure according to second scheduler module of the embodiment of the invention;
Fig. 6 is a kind of preferred construction figure according to first scheduler module of the embodiment of the invention;
Fig. 7 is a kind of preferred flow chart based on the business scheduling method of L2VPN network according to the embodiment of the invention;
Fig. 8 is the another kind of preferred flow chart based on the business scheduling method of L2VPN network according to the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
In following each embodiment, communication can realize that the present invention does not do qualification to this by wireless connections or wired connection or its both combination.
Embodiment 1
Fig. 1 is a kind of preferred construction figure based on the service dispatching device of L2VPN network according to the embodiment of the invention; As shown in Figure 1; Should comprise based on the service dispatching device of L2VPN network: division unit 102 is used for that each L2VPN Business Stream that inserts is carried out formation according to type of service and divides; Scheduling unit 104; Communicate by letter with division unit 102; Be used for the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream according in advance, according to the value of the L2VPN Business Stream respective attributes in each formation, the L2VPN Business Stream in each formation of layering scheduling; Wherein, a plurality of attributes comprise: priority, pseudo channel, tunnel and port.
In above-mentioned preferred embodiment; After each L2VPN Business Stream carried out formation and divide according to type of service; Value according to L2VPN Business Stream respective attributes; Service strategy according to disposing respectively based on a plurality of attributes of L2VPN Business Stream is in advance carried out the layering scheduling to the L2VPN Business Stream,, has realized controlling with the scheduling mode of stratification the overall quality of service of one or more Business Streams that is; Solved in the correlation technique and can not unify whole hierarchical control dispatch service and the high problem of system service quality constructions cost low, network that causes L2VPN; Can guarantee the service quality that system provides to the user, thereby improve the service quality of system, reduce the constructions cost of network.
On the basis of above-mentioned preferred embodiment; The invention provides a kind of preferred scheduling unit 104; As shown in Figure 2, this scheduling unit 104 comprises: first scheduler module 1041 is used for the priority according to the L2VPN Business Stream of each formation; Based on the service strategy of priority configuration, dispatch each formation to second layer scheduling node according in advance; Second scheduler module 1042; Communicate by letter with first scheduler module 1041; Be used for VC sign based on each formation L2VPN Business Stream of current scheduling to second layer scheduling node, according to the service strategy that disposes based on VC in advance, each formation of scheduling current scheduling to second layer scheduling node; Wherein, VC identifies corresponding unique L2VPN user.In the present embodiment; The L2VPN Business Stream is dispatched according to the service strategy that disposes based on priority in advance based on the priority of L2VPN Business Stream earlier; According to the service strategy that disposes based on VC in advance the L2VPN Business Stream is carried out two times scheduling based on the VC sign of L2VPN Business Stream again; Promptly realize hiberarchy scheduling, thereby the service quality of system is provided, reduced the constructions cost of network the L2VPN Business Stream; In addition, Business Stream is dispatched, realized the division of the service quality of service with different priority levels based on the priority of business; Guarantee professional service quality targetedly; Simultaneously, Business Stream is dispatched, realized the division of the service quality that different user is professional, guarantee quality of services for users targetedly, help reducing the constructions cost of network based on VC.
On the basis of the foregoing description; The present invention has done further improvement to scheduling unit 104; As shown in Figure 3, this scheduling unit 104 comprises: the 3rd scheduler module 1043 is used for being dispatched to based on the second layer scheduling node tunnel label of each formation L2VPN Business Stream of the 3rd layer of scheduling node; Based on the service strategy of tunnel configuration, dispatch four layers of scheduling node of each formation to the of three layers of scheduling node of current scheduling to the according in advance; The 4th scheduler module 1044 is communicated by letter with the 3rd scheduler module 1043, is used for according in advance based on the service strategy of outbound port configuration the L2VPN Business Stream of dispatching out from the L2VPN outbound port being carried out bulk flow shaping and control.In the present embodiment; Based on the service strategy of tunnel configuration the L2VPN Business Stream is dispatched in advance based on the tunnel label basis of L2VPN Business Stream earlier; Again according to based on the service strategy of outbound port configuration the Business Stream of dispatching out from the L2VPN outbound port being dispatched once more in advance; Promptly realize hiberarchy scheduling, thereby the service quality of system is provided, reduced the constructions cost of network the L2VPN Business Stream; In addition, Business Stream is dispatched, realized the division of the service quality of different tunnel traffic based on the tunnel label of business; Guarantee professional service quality targetedly; Simultaneously, the Business Stream of dispatching out from the L2VPN outbound port is dispatched, realized the division of the service quality that different user is professional, guarantee quality of services for users targetedly, help reducing the constructions cost of network based on outbound port.
On the basis of above-mentioned each embodiment; The invention provides a kind of preferred the 3rd scheduler module 1043, as shown in Figure 4, the 3rd scheduler module 1043 comprises: the first configuration submodule 10431; Be used for needs according to outbound port; Configuration is based on the service strategy in tunnel, and is wherein, identical or inequality for the service strategy of different tunnel configuration.In the present embodiment, according to the needs of outbound port, configuration is based on the service strategy in tunnel; The service strategy that realizes the tunnel is based on that the needs of outbound port dispose, and, has contact between the level scheduling that is; So that Business Stream is carried out whole scheduling, improve quality of services for users.
Preferably; A tunnel can carry the transmission of a plurality of L2VPN user data, that is: a plurality of L2VPN users can belong to identical tunnel, certainly; Also can specify different L2VPN users to belong to different Tunnel tunnels; Through the service strategy different to different tunnel configuration, thus the service quality differentiation in realization L2VPN tunnel, and then realize control to the L2VPN quality of services for users.
On the basis of above-mentioned each embodiment; The invention provides a kind of preferred second scheduler module 1042, as shown in Figure 5, this second scheduler module 1042 comprises: the second configuration submodule 10421; Be used for the needs of basis based on the service strategy in tunnel; Configuration is based on the service strategy of VC configuration, and wherein, the service strategy of different VC configurations is identical or inequality.In the present embodiment, based on the needs configuration of the service strategy in tunnel service strategy, realized getting in touch of tunnel layer scheduling and the scheduling of VC layer based on VC; Promptly; Have contact between the level scheduling,, improve quality of services for users so that Business Stream is carried out whole scheduling layer by layer.
Preferably; Each corresponding unique L2VPN user of VC sign; Different VPN users can specify different service quality; Just can realize the differentiation of L2VPN quality of services for users through disposing different service strategies, thereby can dispatch, to guarantee the service quality of different user to the user.
On the basis of above-mentioned each embodiment; The invention provides a kind of preferred first scheduler module 1041, as shown in Figure 6, this first scheduler module 1041 comprises: the 3rd configuration submodule 10411; Be used for the needs according to the service strategy that disposes based on VC, configuration is based on the service strategy of priority.In the present embodiment, according to based on the needs configuration of the service strategy of VC service strategy, realized getting in touch of the scheduling of VC layer and the scheduling of priority layer based on priority; Promptly; Have contact between the level scheduling,, improve quality of services for users so that Business Stream is carried out whole scheduling layer by layer.
Preferably, according to the different service strategy of cos field configuration of sign service priority among the Vlan, the different service strategy of this configuration is dispatched the message of next stage according to the demand of upper level, different service streams is dispatched realizing.
Embodiment 2
On the basis of Fig. 1-6, the invention provides a kind of preferred business scheduling method based on the L2VPN network, as shown in Figure 7, should comprise based on the business scheduling method of L2VPN network:
S702: each L2VPN Business Stream that inserts is carried out formation according to type of service divide;
S704: according to the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream in advance; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling; Wherein, a plurality of attributes comprise: priority, pseudo channel VC, tunnel and port.
In above-mentioned preferred embodiment; After each L2VPN Business Stream carried out formation and divide according to type of service; Value according to L2VPN Business Stream respective attributes; Service strategy according to disposing respectively based on a plurality of attributes of L2VPN Business Stream is in advance carried out the layering scheduling to the L2VPN Business Stream,, has realized controlling with the scheduling mode of stratification the overall quality of service of one or more Business Streams that is; Solved in the correlation technique and can not unify whole hierarchical control dispatch service and the high problem of system service quality constructions cost low, network that causes L2VPN; Can guarantee the service quality that system provides to the user, thereby improve the service quality of system, reduce the constructions cost of network.
On the basis of above-mentioned preferred embodiment, the invention provides another kind of preferred business scheduling method based on the L2VPN network, as shown in Figure 8, should comprise based on the business scheduling method of L2VPN network:
S802: the type of service of dispatching services is treated in the equipment perception of access network, according to different business types and user different service streams is put into corresponding formation (Queue).Preferably; For example; Can pass through dscp (the Differentiated Services Code Point of cos among Vlan, VC, Tunnel, the Vlan (Class of Services) value or IP packet; Differentiated services code points) value is treated dispatching services and is carried out formation and divide, and simultaneously, can carry out the supervision and the control of flow as requested to different service streams.
S804: the ground floor scheduling node is to the professional Priority (priority) of L2VPN; The different service strategy of service priority configuration based on L2VPN user; To realize the differentiation of L2VPN quality of services for users, different VPN users can specify different service quality.For example: according to the different service strategy of cos field configuration of sign service priority among the Vlan; The different service strategy of this configuration is dispatched the message of next stage according to the demand of upper level; Can support multiple dispatching algorithm; Such as WRED (Weighted Random Early Discard, the early stage random drop of weighting), WFQ dispatching algorithms such as (Weighted Fair Queuing, Weighted Fair Queuing); Simultaneously, itself is also supported the supervision and the control of flow.
S806: the second layer is based on the scheduling of VC; Professional for L2VPN; Each corresponding unique L2VPN user of VC sign, different VPN users can specify different service quality, just can realize the differentiation of L2VPN quality of services for users through disposing different service strategies.Above-mentioned service strategy is dispatched the message of next stage according to the demand of upper level, can support multiple dispatching algorithm, such as dispatching algorithms such as Shape speed limit, WRED, WFQ.
S808: the 3rd layer of scheduling that is based on Tunnel (tunnel), through the service strategy different to different tunnel configuration, thus the service quality differentiation in realization L2VPN tunnel, and then realize control to the L2VPN quality of services for users.In the L2VPN business, through MPLS Tunnel tunnel transparent data, data penetration transmission is based on label and exchanges and realize between the VPN user; The high-quality Differentiated Services of MPLS network can be realized through resource reservation in the Tunnel tunnel, and for example, a Tunnel tunnel can carry the transmission of a plurality of L2VPN user data; That is: a plurality of L2VPN users can belong to identical Tunnel tunnel; Certainly, also can specify different L2VPN users to belong to different Tunnel tunnels, through the service strategy different to different tunnel configuration; Thereby the service quality that realizes the L2VPN tunnel is distinguished; And then realize control to the L2VPN quality of services for users, and dispatch the message of next stage for the service strategy of different tunnel configuration according to the demand of upper level, can support multiple dispatching algorithm; For example, tactful dispatching algorithms such as priority P Q (Priority Queuing), WRED, WFQ, Shape speed limit.
S810: the 4th layer of scheduling that is based on outbound port, carry out the scheduling of layering strategy to the outbound port of L2VPN customer service, to realize that bulk flow is carried out shaping and control.In the L2VPN network application; The different service strategy that disposes in the above-mentioned steps is tied on the outbound port of L2VPN customer service; Drive outbound port record binding relationship, and configuration relevant hardware and generation relevant entries, just can carry out the layering scheduling to data stream from the flow that the L2VPN outbound port is gone out like this according to the HQoS configuration; Identical port can carry different L2VPN customer services, carries out bulk flow shaping and control through configuration shape speed limit.
On the basis of the foregoing description; Above-mentioned business scheduling method based on the L2VPN network can be realized through the multilevel logic scheduler is set; The total bandwidth of one group of subordinate's scheduler is set by higher level's scheduler; And higher level's scheduler can be according to the rank of subordinate's scheduler and the guaranteed bandwidth (Commiteed Information Rate abbreviates CIR as) and the peak bandwidth (Peak Information Rate abbreviates PIR as) of scheduling mode reasonable distribution subordinate scheduler; Thereby realize Business Stream is carried out the scheduling of stratification; The scheduling mode of this stratification has really realized controlling the overall quality of service of a business or a plurality of business, has guaranteed service quality, has reduced the constructions cost of system.
On the basis of above-mentioned each embodiment, below describe the business scheduling method among the present invention in detail based on the L2VPN network with concrete example, for example:
Access service stream L2 VPN 1 and L2 VPN 2; L2 VPN 1 and L2 VPN 2 comprise data service type and speech business type respectively; Speech business among L2 VPN 1 and the L2 VPN 2 is divided into formation 1 and formation 2; Data service among L2VPN 1 and the L2 VPN 2 is divided into formation 3 and formation 4; With different service strategies speech business and the data service of L2 VPN in the formation 1 to 41 and L2 VPN 2 are dispatched respectively based on the speech business of L2 VPN 1 in the formation 1 to 4 and L2 VPN 2 and the different priority of data service; Then; Different VC sign based on the business of L2 VPN 1 in the formation 1 to 4 and L2 VPN2 is dispatched the business of L2 VPN in the formation 1 to 41 and L2 VPN 2 with different service strategies respectively; The business of L2 VPN in the formation 1 to 41 and L2 VPN 2 is dispatched with different service strategies based on the different tunnel label of the business of L2 VPN 1 in the formation 1 to 4 and L2 VPN 2 again; At last; Different outbound port based on the business of L2 VPN 1 in the formation 1 to 4 and L2 VPN 2 is dispatched the business of L2 VPN in the formation 1 to 41 and L2 VPN 2 with different service strategies, thereby realizes the business of L2 VPN in the formation 1 to 41 and L2 VPN 2 is dispatched with four layers of service strategy respectively, has really realized the professional overall service quality of control.In the present embodiment; Scheduling can be dispatched the message of next stage according to the demand of upper level; Each grade scheduling can be supported multiple dispatching algorithm, thereby realizes Business Stream is carried out the scheduling of stratification, and the scheduling mode of this stratification has really realized controlling the overall quality of service of a business or a plurality of business; Guarantee service quality, reduced the constructions cost of system.
On the basis of above-mentioned preferred embodiment; The invention provides a kind of preferred value according to the L2VPN Business Stream respective attributes in each formation; The method of the L2VPN Business Stream in each formation of layering scheduling; Particularly, should be according to the value of the L2VPN Business Stream respective attributes in each formation, the L2VPN Business Stream in each formation of layering scheduling comprises: the ground floor scheduling node is according to the priority of the L2VPN Business Stream in each formation; Based on the service strategy of priority configuration, dispatch each formation to second layer scheduling node according in advance; Second layer scheduling node is based on the VC sign of L2VPN Business Stream in each formation of current scheduling to second layer scheduling node; According to the service strategy that disposes based on VC in advance; Each formation of scheduling current scheduling to second layer scheduling node, wherein, VC identifies corresponding unique L2VPN user.In the present embodiment; The L2VPN Business Stream is dispatched according to the service strategy that disposes based on priority in advance based on the priority of L2VPN Business Stream earlier; According to the service strategy that disposes based on VC in advance the L2VPN Business Stream is carried out two times scheduling based on the VC sign of L2VPN Business Stream again; Promptly realize hiberarchy scheduling, thereby the service quality of system is provided, reduced the constructions cost of network the L2VPN Business Stream; In addition, Business Stream is dispatched, realized the division of the service quality of service with different priority levels based on the priority of business; Guarantee professional service quality targetedly; Simultaneously, Business Stream is dispatched, realized the division of the service quality that different user is professional, guarantee quality of services for users targetedly, help reducing the constructions cost of network based on VC.
On the basis of the foregoing description; The present invention is to the value according to the L2VPN Business Stream respective attributes in each formation; The method of the L2VPN Business Stream in each formation of layering scheduling has been done further improvement; Particularly, should be according to the value of the L2VPN Business Stream respective attributes in each formation, the method for the L2VPN Business Stream in each formation of layering scheduling comprises: the 3rd layer of scheduling node is dispatched to the tunnel label of L2VPN Business Stream in each formation of the 3rd layer of scheduling node based on second layer scheduling node; Based on the service strategy of tunnel configuration, dispatch four layers of scheduling node of each formation to the of three layers of scheduling node of current scheduling to the according in advance; The 4th layer of scheduling node carries out bulk flow shaping and control according to the service strategy that disposes based on outbound port in advance to the L2VPN Business Stream of dispatching out from the L2VPN outbound port.In the present embodiment; Based on the service strategy of tunnel configuration the L2VPN Business Stream is dispatched in advance based on the tunnel label basis of L2VPN Business Stream earlier; Again according to based on the service strategy of outbound port configuration the Business Stream of dispatching out from the L2VPN outbound port being dispatched once more in advance; Promptly realize hiberarchy scheduling, thereby the service quality of system is provided, reduced the constructions cost of network the L2VPN Business Stream; In addition, Business Stream is dispatched, realized the division of the service quality of different tunnel traffic based on the tunnel label of business; Guarantee professional service quality targetedly; Simultaneously, the Business Stream of dispatching out from the L2VPN outbound port is dispatched, realized the division of the service quality that different user is professional, guarantee quality of services for users targetedly, help reducing the constructions cost of network based on outbound port.
On the basis of above-mentioned each embodiment; The invention provides the method for a kind of preferred configuration based on the service strategy in tunnel; Particularly, this configuration comprises based on the method for the service strategy in tunnel: according to the needs of outbound port, configuration is based on the service strategy in tunnel; Wherein, the service strategy for different tunnel configuration is identical or inequality.In the present embodiment, according to the needs of outbound port, configuration is based on the service strategy in tunnel; The service strategy that realizes the tunnel is based on that the needs of outbound port dispose, and, has contact between the level scheduling that is; So that Business Stream is carried out whole scheduling, improve quality of services for users.
Preferably; A tunnel can carry the transmission of a plurality of L2VPN user data, that is: a plurality of L2VPN users can belong to identical tunnel, certainly; Also can specify different L2VPN users to belong to different Tunnel tunnels; Through the service strategy different to different tunnel configuration, thus the service quality differentiation in realization L2VPN tunnel, and then realize control to the L2VPN quality of services for users.
On the basis of above-mentioned each embodiment; The invention provides the method for a kind of preferred configuration based on the service strategy of VC; Particularly, this configuration comprises based on the method for the service strategy of VC: according to the needs based on the service strategy of tunnel configuration, configuration is based on the service strategy of VC; Wherein, the service strategy of different VC configurations is identical or inequality.In the present embodiment, based on the needs configuration of the service strategy in tunnel service strategy, realized getting in touch of tunnel layer scheduling and the scheduling of VC layer based on VC; Promptly; Have contact between the level scheduling,, improve quality of services for users so that Business Stream is carried out whole scheduling layer by layer.
Preferably; Each corresponding unique L2VPN user of VC sign; Different VPN users can specify different service quality; Just can realize the differentiation of L2VPN quality of services for users through disposing different service strategies, thereby can dispatch, to guarantee the service quality of different user to the user.
On the basis of above-mentioned each embodiment; The invention provides the method for a kind of preferred configuration based on the service strategy of priority; Particularly, this configuration comprises based on the method for the service strategy of priority: according to the needs of the service strategy that disposes based on VC, configuration is based on the service strategy of priority.In the present embodiment, according to based on the needs configuration of the service strategy of VC service strategy, realized getting in touch of the scheduling of VC layer and the scheduling of priority layer based on priority; Promptly; Have contact between the level scheduling,, improve quality of services for users so that Business Stream is carried out whole scheduling layer by layer.
Preferably, according to the different service strategy of cos field configuration of sign service priority among the Vlan, the different service strategy of this configuration is dispatched the message of next stage according to the demand of upper level, different service streams is dispatched realizing.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the business scheduling method based on the L2VPN network is characterized in that, comprising:
Each L2VPN Business Stream that inserts is carried out formation according to type of service to be divided;
According to the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream in advance; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling; Wherein, said a plurality of attribute comprises: priority, pseudo channel VC, tunnel and port.
2. method according to claim 1 is characterized in that, according to the value of the L2VPN Business Stream respective attributes in each formation, the L2VPN Business Stream in each formation of layering scheduling comprises:
The ground floor scheduling node based on the service strategy of priority configuration, is dispatched said each formation to second layer scheduling node according in advance according to the priority of the L2VPN Business Stream in each formation;
Said second layer scheduling node is based on the VC sign of L2VPN Business Stream in current scheduling to each formation of said second layer scheduling node; According to the service strategy that disposes based on VC in advance; Each formation of scheduling current scheduling to said second layer scheduling node; Wherein, said VC identifies corresponding unique L2VPN user.
3. method according to claim 2 is characterized in that, according to the value of the L2VPN Business Stream respective attributes in each formation, the L2VPN Business Stream in each formation of layering scheduling also comprises:
The 3rd layer of scheduling node is dispatched to the tunnel label of L2VPN Business Stream in each formation of said the 3rd layer of scheduling node based on said second layer scheduling node; Based on the service strategy of tunnel configuration, the scheduling current scheduling is to four layers of scheduling node of each formation to the of said the 3rd layer of scheduling node according in advance;
Said the 4th layer of scheduling node based on the service strategy of outbound port configuration, carries out bulk flow shaping and control to the L2VPN Business Stream of dispatching out from the L2VPN outbound port according in advance.
4. method according to claim 3 is characterized in that, disposes the service strategy based on the tunnel in such a way:
According to the needs of said outbound port, configuration is based on the said service strategy in tunnel, and is wherein, identical or inequality for the service strategy of different tunnel configuration.
5. method according to claim 3 is characterized in that, disposes the service strategy based on VC in such a way:
According to the needs of said service strategy based on tunnel configuration, configuration is based on the said service strategy of VC, and wherein, the service strategy of different VC configurations is identical or inequality.
6. method according to claim 2 is characterized in that, disposes the service strategy based on priority in such a way: according to the needs of said service strategy based on VC configuration, configuration is based on the said service strategy of priority.
7. the service dispatching device based on the L2VPN network is characterized in that, comprising:
Division unit is used for that each L2VPN Business Stream that inserts is carried out formation according to type of service and divides;
Scheduling unit; Be used for the service strategy that disposes respectively based on a plurality of attributes of L2VPN Business Stream according in advance; Value according to the L2VPN Business Stream respective attributes in each formation; L2VPN Business Stream in each formation of layering scheduling, wherein, said a plurality of attributes comprise: priority, pseudo channel, tunnel and port.
8. device according to claim 7 is characterized in that, said scheduling unit comprises:
First scheduler module is used for the priority according to the L2VPN Business Stream of each formation, based on the service strategy of priority configuration, dispatches said each formation to second layer scheduling node according in advance;
Second scheduler module; Be used for VC sign based on each formation L2VPN Business Stream of current scheduling to said second layer scheduling node; According to the service strategy that disposes based on VC in advance; Each formation of scheduling current scheduling to said second layer scheduling node, wherein, said VC identifies corresponding unique L2VPN user.
9. device according to claim 8 is characterized in that, said scheduling unit comprises:
The 3rd scheduler module; Be used for being dispatched to the tunnel label of each formation L2VPN Business Stream of said the 3rd layer of scheduling node based on said second layer scheduling node; Based on the service strategy of tunnel configuration, the scheduling current scheduling is to four layers of scheduling node of each formation to the of said the 3rd layer of scheduling node according in advance;
The 4th scheduler module is used for according in advance based on the service strategy of outbound port configuration the L2VPN Business Stream of dispatching out from the L2VPN outbound port being carried out bulk flow shaping and control.
10. device according to claim 9 is characterized in that, said the 3rd scheduler module comprises:
The first configuration submodule is used for the needs according to said outbound port, disposes said service strategy based on the tunnel, and is wherein, identical or inequality for the service strategy of different tunnel configuration.
11. device according to claim 9 is characterized in that, said second scheduler module comprises:
The second configuration submodule is used for the needs according to said service strategy based on tunnel configuration, and configuration is based on the said service strategy of VC, and wherein, the service strategy of different VC configurations is identical or inequality.
12. device according to claim 8 is characterized in that, said first scheduler module comprises:
The 3rd configuration submodule is used for the needs according to said service strategy based on VC configuration, and configuration is based on the said service strategy of priority.
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