CN102546395B - Business scheduling method and device based on L2VPN networks - Google Patents
Business scheduling method and device based on L2VPN networks Download PDFInfo
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Abstract
The present invention provides a kind of business scheduling method and device based on L2VPN networks, wherein, this method includes：Queue division is carried out according to type of service to each L2VPN Business Streams of access；The service strategy that multiple attributes according to L2VPN Business Streams are in advance based on are respectively configured, according to the value of the L2VPN Business Stream respective attributes in each queue, the L2VPN Business Streams in each queue are dispatched in layering, wherein, multiple attributes include：Priority, pseudo channel VC, tunnel and port.The present invention solves the problems, such as cannot to carry out L2VPN in correlation technique that system service quality is low caused by the hierarchical control dispatch service of unified entirety, network constructions cost is high, it can ensure the service quality that system provides the user with, so as to improve the service quality of system, the constructions cost of network is reduced.
Description
Technical field
The present invention relates to the communications field, and L2VPN (2 Virtual Private of Layer are based in particular to one kind
Networks, two-layer virtual private network) network business scheduling method and device.
Background technology
L2VPN is a kind of service of virtual private local area network, it simulates a traditional LAN.User apparently services
The network of business not only possesses whole benefits of Ethernet architecture, but also have than traditional ethernet just as a pure Layer 2 switch
There are the abilities such as more preferable scalability, reliability and QoS (Quality of Service, network service quality), collect Ethernet
With the advantages of MPLS (MultiProtocol Label Switching, multi protocol label exchange) in one.
With the increase of L2VPN user and type of service, there is an urgent need to a kind of flow that can control user and at the same time
The QoS technology being scheduled to customer service priority, however, existing Service Quality Management is to user based on port bandwidth
What the flow of business was scheduled, the scheduling mode is only sensitive to business service grade, insensitive to customer service type, is adapted to
Network side, and be not suitable for service access side；In addition, existing Service Quality Management is difficult to accomplish at the same time to the multiple of multiple users
Business carries out service quality control；Meanwhile existing hierarchical service quality scheme is difficult to realize the system based on user and type of service
One overall control dispatch service, therefore, unified hierarchical service quality model is lacked for vpn service, so that it cannot be guaranteed that
The service quality of advanced level user, also improves the cost of net structure on the whole.
The content of the invention
The present invention provides a kind of business scheduling method and device based on L2VPN networks, at least to solve correlation technique
In cannot carry out that system service quality caused by the hierarchical control dispatch service of unified entirety is low, construction of network to L2VPN
The problem of of high cost.
According to an aspect of the invention, there is provided a kind of business scheduling method based on L2VPN networks, it includes：It is right
Each L2VPN Business Streams of access carry out queue division according to type of service；According to the multiple categories for being in advance based on L2VPN Business Streams
Property the service strategy that is respectively configured, according to the value of the L2VPN Business Stream respective attributes in each queue, each team is dispatched in layering
L2VPN Business Streams in row, wherein, multiple attributes include：Priority, VC (Virtual Channel, pseudo channel), tunnel
And port.
Preferably, dispatched according to the value of the L2VPN Business Stream respective attributes in each queue, layering in each queue
L2 vpn service streams, the above-mentioned business scheduling method based on L2VPN networks include：First layer scheduling node is according in each queue
L2VPN Business Streams priority, according to be in advance based on priority configuration service strategy, dispatch each queue to second layer tune
Spend node；The VC of L2VPN Business Streams in each queue of the second layer scheduling node based on current scheduling to second layer scheduling node
Mark, according to the service strategy for being in advance based on VC configurations, dispatches each queue of the current scheduling to second layer scheduling node, its
In, the corresponding unique L2VPN user of VC marks.
Preferably, dispatched according to the value of the L2VPN Business Stream respective attributes in each queue, layering in each queue
L2 vpn service streams, the above-mentioned business scheduling method based on L2VPN networks further include：Third layer scheduling node is based on second layer tune
The tunnel label of node scheduling L2VPN Business Streams into each queue of third layer scheduling node is spent, according to being in advance based on tunnel
The service strategy of configuration, scheduling current scheduling to each queue of third layer scheduling node to the 4th layer of scheduling node；4th layer
Scheduling node flows into the L2VPN business dispatched out from L2VPN exit ports according to the service strategy for being in advance based on exit port configuration
The shaping of row bulk flow and control.
Preferably, the service strategy based on tunnel is configured in the following way：According to the needs of exit port, configuration is based on tunnel
The service strategy in road, wherein, it is identical or differ for the service strategy of different tunnel configurations.
Preferably, the service strategy based on VC is configured in the following way：According to the service strategy based on tunnel configuration
Need, configure the service strategy based on VC, wherein, the service strategy of different VC configurations is identical or differs.
Preferably, the service strategy based on priority is configured in the following way：According to the service strategy configured based on VC
Needs, configure the service strategy based on priority.
According to another aspect of the present invention, there is provided a kind of traffic scheduling device based on L2VPN networks, it includes：Draw
Subdivision, queue division is carried out for each L2VPN Business Streams to access according to type of service；Scheduling unit, for basis
The service strategy that multiple attributes of L2VPN Business Streams are respectively configured is in advance based on, according to the L2VPN Business Stream phases in each queue
The value of attribute is answered, the L2VPN Business Streams in each queue are dispatched in layering, wherein, multiple attributes include：Priority, virtual letter
Road, tunnel and port.
Preferably, scheduling unit includes：First scheduler module, for according to the excellent of the L2VPN Business Streams in each queue
First level, according to the service strategy for being in advance based on priority configuration, dispatches each queue to second layer scheduling node；Second scheduling mould
Block, for the VC marks of L2VPN Business Streams in each queue based on current scheduling to second layer scheduling node, according to advance base
In the service strategy of VC configurations, each queue of the current scheduling to second layer scheduling node is dispatched, wherein, VC marks are corresponding only
One L2VPN user.
Preferably, scheduling unit includes：3rd scheduler module, for being dispatched to third layer tune based on second layer scheduling node
The tunnel label of L2VPN Business Streams in each queue of node is spent, according to the service strategy for being in advance based on tunnel configuration, scheduling is worked as
Before be dispatched to each queue of third layer scheduling node to the 4th layer of scheduling node；4th scheduler module, for according to advance base
In the service strategy of exit port configuration, bulk flow shaping and control are carried out to the L2VPN Business Streams dispatched out from L2VPN exit ports
System.
Preferably, the 3rd scheduler module includes：First configuration submodule, for the needs according to exit port, configuration is based on
The service strategy in tunnel, wherein, it is identical or differ for the service strategy of different tunnel configurations.
Preferably, the second scheduler module includes：Second configuration submodule, for according to the service strategy based on tunnel configuration
Needs, configure the service strategy based on VC, wherein, the service strategy of different VC configurations is identical or differ.
Preferably, the first scheduler module includes：3rd configuration submodule, for according to the service strategy based on VC configurations
Need, configure the service strategy based on priority.
In the present invention, after carrying out queue division according to type of service to each L2VPN Business Streams, according to L2VPN business
The value of respective attributes is flowed, the service strategy being respectively configured according to the multiple attributes for being in advance based on L2VPN Business Streams is to L2VPN industry
Business stream carries out layering scheduling, i.e. realizes with the overall service matter of the one or more Business Streams of scheduling mode control of stratification
Amount, solves system service caused by the hierarchical control dispatch service that cannot carry out unified entirety in correlation technique to L2VPN
The problem of quality is low, the constructions cost of network is high, it is ensured that the service quality that system provides the user with, so as to improve system
Service quality, reduce the constructions cost of network.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of preferable structure chart of the traffic scheduling device according to embodiments of the present invention based on L2VPN networks；
Fig. 2 is a kind of preferable structure chart of scheduling unit according to embodiments of the present invention；
Fig. 3 is another preferable structure chart of scheduling unit according to embodiments of the present invention；
Fig. 4 is a kind of preferable structure chart of the 3rd scheduler module according to embodiments of the present invention；
Fig. 5 is a kind of preferable structure chart of the second scheduler module according to embodiments of the present invention；
Fig. 6 is a kind of preferable structure chart of the first scheduler module according to embodiments of the present invention；
Fig. 7 is a kind of preferable flow chart of the business scheduling method according to embodiments of the present invention based on L2VPN networks；
Fig. 8 is another preferable flow of the business scheduling method according to embodiments of the present invention based on L2VPN networks
Figure.
Embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In the following examples, communication can be realized by the combination of wireless connection or wired connection or both,
The present invention does not limit this.
Embodiment 1
Fig. 1 is a kind of preferable structure chart of the traffic scheduling device according to embodiments of the present invention based on L2VPN networks,
As shown in Figure 1, being somebody's turn to do the traffic scheduling device based on L2VPN networks includes：Division unit 102, for each of access
L2VPN Business Streams carry out queue division according to type of service；Scheduling unit 104, communicates with division unit 102, for according to pre-
The service strategy that first multiple attributes based on L2VPN Business Streams are respectively configured, according to the L2VPN Business Stream phases in each queue
The value of attribute is answered, the L2VPN Business Streams in each queue are dispatched in layering, wherein, multiple attributes include：Priority, virtual letter
Road, tunnel and port.
In above-mentioned preferred embodiment, after carrying out queue division according to type of service to each L2VPN Business Streams, according to
The value of L2 vpn service stream respective attributes, the service plan being respectively configured according to the multiple attributes for being in advance based on L2VPN Business Streams
Layering scheduling slightly is carried out to L2VPN Business Streams, i.e. realize with the one or more Business Streams of scheduling mode control of stratification
Overall quality of service, solves the hierarchical control dispatch service that cannot carry out unified entirety in correlation technique to L2VPN and causes
System service quality is low, the problem of constructions cost of network is high, it is ensured that the service quality that system provides the user with so that
The service quality of system is improved, reduces the constructions cost of network.
On the basis of above-mentioned preferred embodiment, the present invention provides a kind of preferable scheduling unit 104, such as Fig. 2 institutes
Show, which includes：First scheduler module 1041, for according to the preferential of the L2VPN Business Streams in each queue
Level, according to the service strategy for being in advance based on priority configuration, dispatches each queue to second layer scheduling node；Second scheduler module
1042, communicate with the first scheduler module 1041, for L2VPN in each queue based on current scheduling to second layer scheduling node
The VC marks of Business Stream, according to the service strategy for being in advance based on VC configurations, scheduling current scheduling is each to second layer scheduling node
A queue, wherein, the corresponding unique L2VPN user of VC marks.In the present embodiment, the first priority root based on L2VPN Business Streams
L2VPN Business Streams are scheduled according to the service strategy for being in advance based on priority configuration, then the marks of the VC based on L2VPN Business Streams
Know and two times scheduling is carried out to L2VPN Business Streams according to the service strategy for being in advance based on VC configurations, that is, realize to L2VPN Business Streams
Hiberarchy scheduling, so as to provide the service quality of system, reduce the constructions cost of network；In addition, based on the excellent of business
First level is scheduled Business Stream, realizes the division of the service quality of service with different priority levels；Targetedly ensure business
Service quality；Meanwhile Business Stream is scheduled based on VC, the division of the service quality of different user business is realized, is had
Pointedly ensure the service quality of user, advantageously reduce the constructions cost of network.
On the basis of above-described embodiment, the present invention has done further improvement to scheduling unit 104, as shown in figure 3, should
Scheduling unit 104 includes：3rd scheduler module 1043, for being dispatched to third layer scheduling node based on second layer scheduling node
The tunnel label of L2VPN Business Streams in each queue, according to the service strategy for being in advance based on tunnel configuration, scheduling current scheduling arrives
Each queue of third layer scheduling node is to the 4th layer of scheduling node；4th scheduler module 1044, with the 3rd scheduler module 1043
Communication, for the service strategy configured according to exit port is in advance based on, to the L2VPN Business Streams dispatched out from L2VPN exit ports
Carry out bulk flow shaping and control.In the present embodiment, the tunnel label first based on L2VPN Business Streams is according to being in advance based on tunnel
Road configuration service strategy L2VPN Business Streams are scheduled, according still further to be in advance based on exit port configuration service strategy to from
The Business Stream that L2 VPN exit ports are dispatched out is dispatched again, that is, realizes the hiberarchy scheduling to L2VPN Business Streams, so as to carry
The service quality of system has been supplied, has reduced the constructions cost of network；In addition, the tunnel label based on business adjusts Business Stream
Degree, realizes the division of the service quality of different tunnel traffics；Targetedly ensure the service quality of business；Meanwhile it is based on
Exit port is scheduled the Business Stream dispatched out from L2VPN exit ports, realizes stroke of the service quality of different user business
Divide, targetedly ensure the service quality of user, advantageously reduce the constructions cost of network.
On the basis of the various embodiments described above, the present invention provides a kind of preferable 3rd scheduler module 1043, such as Fig. 4 institutes
Show, the 3rd scheduler module 1043 includes：First configuration submodule 10431, for the needs according to exit port, configuration is based on tunnel
The service strategy in road, wherein, it is identical or differ for the service strategy of different tunnel configurations.In the present embodiment, according to going out
The needs of port, configure the service strategy based on tunnel, and the service strategy for realizing tunnel is configured based on the needs of exit port
, i.e. exist between level scheduling and be related, to carry out overall scheduling to Business Stream, improve the service quality of user.
Preferably, a tunnel can carry the transmission of multiple L2VPN user data, i.e.,：Multiple L2VPN users can belong to
In identical tunnel, it is of course also possible to specify different L2VPN users to belong to different Tunnel tunnels, by different
The different service strategy of tunnel configuration, is distinguished so as to fulfill the service quality in L2VPN tunnels, and then is realized to L2VPN user's
The control of service quality.
On the basis of the various embodiments described above, the present invention provides a kind of preferable second scheduler module 1042, such as Fig. 5 institutes
Show, which includes：Second configuration submodule 10421, for the need according to the service strategy based on tunnel
Will, the service strategy based on VC configurations is configured, wherein, the service strategy of different VC configurations is identical or differs.In this implementation
In example, the service strategy based on tunnel needs to configure the service strategy based on VC, realizes tunnel layer scheduling and VC layers of scheduling
Contact, i.e. exist between level scheduling and be related, to carry out overall scheduling layer by layer to Business Stream, improve the clothes of user
Business quality.
Preferably, each corresponding unique L2VPN user of VC marks, different VPN users can specify different services
Quality, can realize that the service quality of L2VPN user is distinguished by configuring different service strategies, so as to for user
It is scheduled, to ensure the service quality of different user.
On the basis of the various embodiments described above, the present invention provides a kind of preferable first scheduler module 1041, such as Fig. 6 institutes
Show, which includes：3rd configuration submodule 10411, for according to the service strategy based on VC configurations
Need, configure the service strategy based on priority.In the present embodiment, it is based on according to needing to configure for the service strategy based on VC
The service strategy of priority, realizes VC layers of scheduling and is contacted with what priority Layer was dispatched, i.e. there are connection between level scheduling
System, to carry out overall scheduling layer by layer to Business Stream, improves the service quality of user.
Preferably, according to the different service strategy of the cos field configurations that service priority is identified in Vlan, the configuration is not
Same service strategy dispatches the message of next stage according to the demand of upper level, and different Business Streams is scheduled with realizing.
Embodiment 2
On the basis of Fig. 1-6, the present invention provides a kind of business scheduling method for being preferably based on L2VPN networks, such as
Shown in Fig. 7, being somebody's turn to do the business scheduling method based on L2VPN networks includes：
S702：Queue division is carried out according to type of service to each L2VPN Business Streams of access；
S704：The service strategy that multiple attributes according to L2VPN Business Streams are in advance based on are respectively configured, according to each queue
In L2VPN Business Stream respective attributes value, layering dispatches the L2VPN Business Streams in each queue, wherein, multiple attributes
Including：Priority, pseudo channel VC, tunnel and port.
In above preferred embodiment, after carrying out queue division according to type of service to each L2VPN Business Streams, according to
The value of L2VPN Business Stream respective attributes, the service plan being respectively configured according to the multiple attributes for being in advance based on L2VPN Business Streams
Layering scheduling slightly is carried out to L2 vpn services stream, i.e. realize the one or more Business Streams of scheduling mode control with stratification
Overall quality of service, solve the hierarchical control dispatch service that cannot carry out unified entirety in correlation technique to L2VPN and lead
The problem of system service quality of cause is low, network constructions cost is high, it is ensured that the service quality that system provides the user with, from
And the service quality of system is improved, reduce the constructions cost of network.
On the basis of above preferred embodiment, the present invention provides the business that another kind is preferably based on L2VPN networks
Dispatching method, as shown in figure 8, being somebody's turn to do the business scheduling method based on L2VPN networks includes：
S802：The device-aware of access network treats the type of service of scheduling business, according to different types of service and user
Different Business Streams is put into corresponding queue (Queue).Preferably, for example, Vlan, VC, Tunnel, Vlan can be passed through
Dscp (the Differentiated Services Code of middle cos (Class of Services) values or IP data packets
Point, differentiated services code points) value treat scheduling business carry out queue division, meanwhile, can be as requested to different business
Stream carries out the supervision and control of flow.
S804：First layer scheduling node is directed to the Priority (priority) of L2VPN business, the industry based on L2VPN user
Priority of being engaged in configures different service strategies, and to realize that the service quality of L2VPN user is distinguished, different VPN users can refer to
Fixed different service quality.Such as：, should according to the different service strategy of the cos field configurations that service priority is identified in Vlan
The different service strategies of configuration dispatch the message of next stage according to the demand of upper level, can support a variety of dispatching algorithms,
Such as WRED (Weighted Random Early Discard, weighting early stage random drop), WFQ (Weighted Fair
Queuing, Weighted Fair Queuing) etc. dispatching algorithm；Meanwhile itself also supports the supervision and control of flow.
S806：The second layer is the scheduling based on VC, for L2VPN business, each corresponding unique L2VPN of VC marks
User, different VPN users can specify different service quality, and L2 can be realized by configuring different service strategies
The service quality of VPN user is distinguished.Above-mentioned service strategy dispatches the message of next stage according to the demand of upper level, can support
A variety of dispatching algorithms, such as the dispatching algorithm such as Shape speed limits, WRED, WFQ.
S808：Third layer is the scheduling based on Tunnel (tunnel), by the service strategy different to different tunnel configurations,
Distinguished so as to fulfill the service quality in L2VPN tunnels, and then realize the control to the service quality of L2VPN user.In L2VPN
In business, realized between VPN user by MPLS Tunnel tunnels transparent data, data penetration transmission based on Tag switching,
Tunnel tunnels can realize the Differentiated Services of MPLS network high quality by resource reservation, for example, a Tunnel tunnel
The transmission of multiple L2VPN user data can be carried, i.e.,：Multiple L2VPN users may belong to identical Tunnel tunnels, when
So, different L2VPN users can also be specified to belong to different Tunnel tunnels, pass through the clothes different to different tunnel configurations
Business strategy, is distinguished so as to fulfill the service quality in L2VPN tunnels, and then realizes the control to the service quality of L2VPN user, is
The service strategy of different tunnel configurations dispatches the message of next stage according to the demand of upper level, and a variety of scheduling can be supported to calculate
Method, for example, the strategy dispatching algorithm such as priority P Q (Priority Queuing), WRED, WFQ, Shape speed limit.
S810：4th layer is the scheduling based on exit port, and Stratified Strategy tune is carried out for the exit port of L2VPN customer services
Degree, shaping and control are carried out to realize to bulk flow.It is different by what is configured in above-mentioned steps in L2VPN network applications
Service strategy is tied in the exit port of L2VPN customer services, driving exit port record binding relationship, and configures corresponding hardware
With generation relevant entries, the flow so gone out from L2VPN exit ports can be configured according to HQoS divides data stream
Layer scheduling, identical port can carry different L2VPN customer services, bulk flow is carried out by configuring shape speed limits
Shaping and control.
On the basis of above-described embodiment, the above-mentioned business scheduling method based on L2VPN networks can be multistage by setting
Logical scheduler is realized, the total bandwidth of one group of subordinate's scheduler is set by higher level's scheduler, and higher level's scheduler being capable of root
According to the rank of subordinate's scheduler and the guaranteed bandwidth (Commiteed of scheduling mode reasonable distribution subordinate scheduler
Information Rate, referred to as CIR) and peak bandwidth (Peak Information Rate, referred to as PIR), so that
Realize the scheduling that stratification is carried out to Business Stream, the scheduling mode of the stratification is truly realized one business of control or multiple industry
The overall quality of service of business, ensure that service quality, reduce the constructions cost of system.
On the basis of the various embodiments described above, below with specific example come be described in detail in the present invention based on L2VPN nets
The business scheduling method of network, such as：
Access service stream L2 VPN 1 and L2 VPN 2, L2 VPN 1 and L2 VPN 2 include data traffic types respectively
With speech business type, the speech business in L2 VPN 1 and L2 VPN 2 is divided into queue 1 and queue 2, by 1 Hes of L2VPN
Data service in L2 VPN 2 is divided into queue 3 and queue 4, based on the L2 VPN's 1 in queue 1 to 4 and L2 VPN 2
The different priority of speech business and data service are respectively with different service strategies to 1 Hes of L2 VPN in queue 1 to 4
The speech business and data service of L2 VPN 2 is scheduled, then, based on the L2 VPN 1 and L2 VPN 2 in queue 1 to 4
The different VC of business identify respectively with different service strategies to the L2 VPN 1 and the industry of L2 VPN 2 in queue 1 to 4
Business is scheduled, then based on the L2 VPN 1 in queue 1 to 4 and the different tunnel labels of the business of L2 VPN 2 with different
Service strategy is scheduled the L2 VPN 1 in queue 1 to 4 and the business of L2 VPN 2, finally, based in queue 1 to 4
The different exit ports of the business of L2 VPN 1 and L2 VPN 2 are with different service strategies to the L2 VPN 1 in queue 1 to 4
It is scheduled with the business of L2 VPN 2, distinguishes so as to fulfill to the business of the L2 VPN 1 in queue 1 to 4 and L2 VPN 2
It is scheduled with four layers of service strategy, is truly realized the overall service quality of control business.In the present embodiment, scheduling can
The message of next stage is dispatched with the demand according to upper level, a variety of dispatching algorithms can be supported per schedule level one, so as to fulfill
Carry out the scheduling of stratification to Business Stream, the scheduling mode of the stratification is truly realized one business of control or multiple business
Overall quality of service, ensure that service quality, reduce the constructions cost of system.
On the basis of above-mentioned preferred embodiment, the present invention provides a kind of preferably according in each queue
The value of L2VPN Business Stream respective attributes, the method that the L2VPN Business Streams in each queue are dispatched in layering specifically, should be according to
The value of L2VPN Business Stream respective attributes in each queue, the L2VPN Business Streams that layering is dispatched in each queue include：The
One layer of scheduling node according to the L2VPN Business Streams in each queue priority, according to be in advance based on priority configuration service
Strategy, dispatches each queue to second layer scheduling node；Second layer scheduling node is based on current scheduling to second layer scheduling node
Each queue in L2VPN Business Streams VC marks, according to the service strategy for being in advance based on VC configurations, scheduling current scheduling to the
Each queue of two layers of scheduling node, wherein, the corresponding unique L2VPN user of VC marks.In the present embodiment, first based on L2VPN
The priority of Business Stream is scheduled L2VPN Business Streams according to the service strategy for being in advance based on priority configuration, then based on L2
The VC marks of vpn service stream carry out two times scheduling according to the service strategy for being in advance based on VC configurations to L2VPN Business Streams, that is, realize
To the hiberarchy scheduling of L2VPN Business Streams, so as to provide the service quality of system, the constructions cost of network is reduced；In addition,
Priority based on business is scheduled Business Stream, realizes the division of the service quality of service with different priority levels；It is directed to
Ensure to property the service quality of business；Meanwhile Business Stream is scheduled based on VC, realize the Service Quality of different user business
The division of amount, targetedly ensures the service quality of user, advantageously reduces the constructions cost of network.
On the basis of above-described embodiment, the present invention is to taking according to the L2VPN Business Stream respective attributes in each queue
Value, the method that the L2VPN Business Streams in each queue are dispatched in layering have done further improvement, specifically, should be according to each team
The value of L2VPN Business Stream respective attributes in row, the method that the L2VPN Business Streams in each queue are dispatched in layering include：The
Three layers of scheduling node are dispatched to the tunnel of L2VPN Business Streams in each queue of third layer scheduling node based on second layer scheduling node
Road label, according to the service strategy for being in advance based on tunnel configuration, each queue of scheduling current scheduling to third layer scheduling node
To the 4th layer of scheduling node；4th layer of scheduling node is according to the service strategy for being in advance based on exit port configuration, to from L2VPN outlets
The L2VPN Business Streams that mouth is dispatched out carry out bulk flow shaping and control.In the present embodiment, first based on L2VPN Business Streams
Tunnel label is scheduled L2VPN Business Streams according to the service strategy for being in advance based on tunnel configuration, according still further to being in advance based on out
The service strategy of port configuration dispatches the Business Stream dispatched out from L2VPN exit ports again, that is, realizes to L2VPN business
The hiberarchy scheduling of stream, so as to provide the service quality of system, reduces the constructions cost of network；In addition, based on business
Tunnel label is scheduled Business Stream, realizes the division of the service quality of different tunnel traffics；Targetedly ensure industry
The service quality of business；Meanwhile the Business Stream dispatched out from L2VPN exit ports is scheduled based on exit port, realize difference
The division of the service quality of customer service, targetedly ensures the service quality of user, advantageously reduces being configured to for network
This.
On the basis of the various embodiments described above, the present invention provides a kind of preferable service strategy of the configuration based on tunnel
Method, specifically, the method for service strategy of the configuration based on tunnel include：According to the needs of exit port, configuration is based on tunnel
Service strategy, wherein, it is identical or differ for the service strategy of different tunnel configurations.In the present embodiment, according to outlet
Mouthful needs, configure the service strategy based on tunnel, the service strategy for realizing tunnel is that the needs based on exit port configure,
That is, exist between level scheduling and be related, to carry out overall scheduling to Business Stream, improve the service quality of user.
Preferably, a tunnel can carry the transmission of multiple L2VPN user data, i.e.,：Multiple L2VPN users can belong to
In identical tunnel, it is of course also possible to specify different L2VPN users to belong to different Tunnel tunnels, by different
The different service strategy of tunnel configuration, is distinguished so as to fulfill the service quality in L2VPN tunnels, and then is realized to L2VPN user's
The control of service quality.
On the basis of the various embodiments described above, the present invention provides a kind of side of preferable service strategy of the configuration based on VC
Method, specifically, the method for service strategy of the configuration based on VC include：According to the needs of the service strategy based on tunnel configuration,
The service strategy based on VC is configured, wherein, the service strategy of different VC configurations is identical or differs.In the present embodiment, base
Service strategy in tunnel needs to configure the service strategy based on VC, realize tunnel layer scheduling with VC layers dispatch contact,
That is, exist between level scheduling and be related, to carry out overall scheduling layer by layer to Business Stream, improve the service quality of user.
Preferably, each corresponding unique L2VPN user of VC marks, different VPN users can specify different services
Quality, can realize that the service quality of L2VPN user is distinguished by configuring different service strategies, so as to for user
It is scheduled, to ensure the service quality of different user.
On the basis of the various embodiments described above, the present invention provides a kind of preferable service strategy of the configuration based on priority
Method, specifically, the method for service strategy of the configuration based on priority includes：According to the service strategy configured based on VC
Need, configure the service strategy based on priority.In the present embodiment, it is based on according to needing to configure for the service strategy based on VC
The service strategy of priority, realizes VC layers of scheduling and is contacted with what priority Layer was dispatched, i.e. there are connection between level scheduling
System, to carry out overall scheduling layer by layer to Business Stream, improves the service quality of user.
Preferably, according to the different service strategy of the cos field configurations that service priority is identified in Vlan, the configuration is not
Same service strategy dispatches the message of next stage according to the demand of upper level, and different Business Streams is scheduled with realizing.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.Combined in this way, the present invention is not restricted to any specific hardware and software.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
- A kind of 1. business scheduling method based on L2VPN networks, it is characterised in that including：Queue division is carried out according to type of service to each L2VPN Business Streams of access；The service strategy that multiple attributes according to L2VPN Business Streams are in advance based on are respectively configured, according to the L2VPN in each queue The L2VPN Business Streams in each queue are dispatched in the value of Business Stream respective attributes, layering, wherein, the multiple attribute includes：It is excellent First level, pseudo channel VC, tunnel and port.
- 2. according to the method described in claim 1, it is characterized in that, according to the L2VPN Business Stream respective attributes in each queue Value, layering dispatches the L2VPN Business Streams in each queue, including：First layer scheduling node is configured according to the priority of the L2VPN Business Streams in each queue according to priority is in advance based on Service strategy, dispatch each queue to second layer scheduling node；L2VPN Business Streams in each queue of the second layer scheduling node based on current scheduling to the second layer scheduling node VC marks, according to the service strategy for being in advance based on VC configurations, scheduling current scheduling is each to the second layer scheduling node Queue, wherein, the corresponding unique L2VPN user of VC marks.
- 3. according to the method described in claim 2, it is characterized in that, according to the L2VPN Business Stream respective attributes in each queue Value, layering dispatches the L2VPN Business Streams in each queue, further includes：Third layer scheduling node is dispatched to based on the second layer scheduling node in each queue of the third layer scheduling node The tunnel label of L2VPN Business Streams, according to the service strategy for being in advance based on tunnel configuration, scheduling current scheduling to the third layer Each queue of scheduling node is to the 4th layer of scheduling node；The 4th layer of scheduling node is according to the service strategy for being in advance based on exit port configuration, to being dispatched out from L2VPN exit ports L2VPN Business Streams carry out bulk flow shaping and control.
- 4. according to the method described in claim 3, it is characterized in that, the service strategy based on tunnel is configured in the following way：According to the needs of the exit port, the service strategy based on tunnel is configured, wherein, for the clothes of different tunnel configurations Business strategy is identical or differs.
- 5. according to the method described in claim 3, it is characterized in that, the service strategy based on VC is configured in the following way：According to the needs of the service strategy based on tunnel configuration, the service strategy based on VC is configured, wherein, it is different The service strategy of VC configurations is identical or differs.
- 6. according to the method described in claim 2, it is characterized in that, the service plan based on priority is configured in the following way Slightly：According to the needs of the service strategy configured based on VC, the service strategy based on priority is configured.
- A kind of 7. traffic scheduling device based on L2VPN networks, it is characterised in that including：Division unit, queue division is carried out for each L2VPN Business Streams to access according to type of service；Scheduling unit, for the service strategy being respectively configured according to multiple attributes of L2VPN Business Streams are in advance based on, according to each The L2VPN Business Streams in each queue are dispatched in the value of L2VPN Business Stream respective attributes in queue, layering, wherein, it is described more A attribute includes：Priority, pseudo channel, tunnel and port.
- 8. device according to claim 7, it is characterised in that the scheduling unit includes：First scheduler module, for the priority according to the L2VPN Business Streams in each queue, matches somebody with somebody according to priority is in advance based on The service strategy put, dispatches each queue to second layer scheduling node；Second scheduler module, for L2VPN Business Streams in each queue based on current scheduling to the second layer scheduling node VC marks, according to the service strategy for being in advance based on VC configurations, scheduling current scheduling is each to the second layer scheduling node Queue, wherein, the corresponding unique L2VPN user of VC marks.
- 9. device according to claim 8, it is characterised in that the scheduling unit includes：3rd scheduler module, for being dispatched to based on the second layer scheduling node in each queue of third layer scheduling node The tunnel label of L2VPN Business Streams, according to the service strategy for being in advance based on tunnel configuration, scheduling current scheduling to the third layer Each queue of scheduling node is to the 4th layer of scheduling node；4th scheduler module, for the service strategy configured according to exit port is in advance based on, to what is dispatched out from L2VPN exit ports L2VPN Business Streams carry out bulk flow shaping and control.
- 10. device according to claim 9, it is characterised in that the 3rd scheduler module includes：First configuration submodule, for the needs according to the exit port, configures the service strategy based on tunnel, wherein, It is identical or differ for the service strategy of different tunnel configurations.
- 11. device according to claim 9, it is characterised in that second scheduler module includes：Second configuration submodule, for the needs according to the service strategy based on tunnel configuration, configures based on described in VC Service strategy, wherein, the service strategy of different VC configurations is identical or differs.
- 12. device according to claim 8, it is characterised in that first scheduler module includes：3rd configuration submodule, for the needs according to the service strategy based on VC configurations, configures the institute based on priority State service strategy.
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| US9450881B2 (en) * | 2013-07-09 | 2016-09-20 | Intel Corporation | Method and system for traffic metering to limit a received packet rate |
| CN106330710B (en) * | 2015-07-01 | 2019-09-13 | 南京中兴新软件有限责任公司 | Data stream scheduling method and device |
| CN109660461B (en) * | 2019-01-31 | 2021-04-27 | 新华三技术有限公司 | HQoS (quality of service) implementation method and device |
| CN113810314A (en) * | 2020-06-15 | 2021-12-17 | 中兴通讯股份有限公司 | Data scheduling method, device and storage medium |
| CN117278360B (en) * | 2023-11-22 | 2024-02-09 | 北京派网科技有限公司 | Network communication method, device and storage medium based on virtual private network |
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| CN101958836A (en) * | 2010-10-12 | 2011-01-26 | 中兴通讯股份有限公司 | Queuing resource management method and device in hierarchical service quality |
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