CN105791153B - Service traffics dispatching method and system and flow controller and network edge device - Google Patents
Service traffics dispatching method and system and flow controller and network edge device Download PDFInfo
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- CN105791153B CN105791153B CN201410814528.2A CN201410814528A CN105791153B CN 105791153 B CN105791153 B CN 105791153B CN 201410814528 A CN201410814528 A CN 201410814528A CN 105791153 B CN105791153 B CN 105791153B
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Abstract
The invention discloses a kind of service traffics dispatching method and system and flow controllers and network edge device, are related to the communications field.The embodiment of the present invention passes through centerized fusion mechanism, simplify network configuration management work, and flow controller generates flow table according to business game, real time down gives each network edge device, extension has network virtual path action field in flow table, network edge device identifies service traffics according to flow table and is forwarded according to corresponding network virtual path that, to realize service traffics Real-Time Scheduling, the adjustment response ratio of service distributing is very fast.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of service traffics dispatching method realized based on OpenFlow technology
With system and flow controller and network edge device.
Background technique
In the operator network commonly using based on MPLS (Multi-Protocol Label Switching, multi-protocols
Tag switching) traffic engineering, mainly service traffics path is bound by static mode in advance, needs end-to-end in advance configure
Soft channel and service traffics split entry, specified particular flow rate flows through link, to realize flow scheduling.
The adjustment response of such static state implementation, service distributing is slower, needs to configure every router, network
It is relatively more to configure content.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that: the adjustment response of service distributing is slow, and network is matched
It is relatively more to set content.
In a first aspect, the embodiment of the present invention provides a kind of service traffics dispatching method, comprising: flow controller obtains business
Strategy；Flow controller generates flow table according to business game, and extension has network virtual path action field in flow table；Flow controller
By flow table issuance to network edge device, so that network edge device according to flow table identifies service traffics and according to corresponding net
Network virtual path is forwarded.
In one embodiment of first aspect, it includes: that flow controller passes through that flow controller, which obtains business game,
Restful interface obtains business game from business management system.
In one embodiment of first aspect, it includes: flow control that flow controller, which generates flow table according to business game,
Device determines service traffics match information and service traffics virtual path information according to business game, by service traffics match information and
Service traffics virtual path information is respectively as the content in the matching domain and network virtual path action field of flow table.
In one embodiment of first aspect, it includes: flow control that flow controller, which generates flow table according to business game,
Device determines precedence information, service traffics match information and service traffics virtual path information according to business game, by priority
The Priority field, matching domain and network of information, service traffics match information and service traffics virtual path information respectively as flow table
Content in virtual path action field.
In one embodiment of first aspect, service traffics match information includes ingress port information, source MAC letter
Breath, target MAC (Media Access Control) address information, ethernet type information, VLAN ID information, virtual LAN precedence information, source
IP address information, purpose IP address information, IP agreement information, IP type of service information, TCP or UDP source port information, TCP or
UDP destination port information；The service traffics virtual path information includes label switched path information.
In one embodiment of first aspect, it includes: flow control that flow controller, which generates flow table according to business game,
Device generates flow table according to business game and network condition.
In one embodiment of first aspect, flow table issuance is included: flow to network edge device by flow controller
Controller is by OpenFlow interface by flow table issuance to network edge device, the OpenFlow interface support network virtual path
Action field.
Second aspect, the embodiment of the present invention provide a kind of flow controller, comprising: tactful acquiring unit, for obtaining industry
Business strategy；Flow table generation unit, for generating flow table according to business game, extension has network virtual path action field in flow table；
Flow table issuance unit is used for flow table issuance to network edge device, so that network edge device identifies business according to flow table
Flow is simultaneously forwarded according to corresponding network virtual path.
In one embodiment of second aspect, tactful acquiring unit is specifically used for passing through Restful interface from business pipe
Reason system obtains business game.
In one embodiment of second aspect, flow table generation unit, specifically for determining business according to business game
Flow matches information and service traffics virtual path information, service traffics match information and service traffics virtual path information are made respectively
For the content in the matching domain and network virtual path action field of flow table.
In one embodiment of second aspect, flow table generation unit, specifically for being determined preferentially according to business game
Grade information, service traffics match information and service traffics virtual path information, by precedence information, service traffics match information and industry
Flow virtual path information of being engaged in is respectively as the content in the Priority field of flow table, matching domain and network virtual path action field.
In one embodiment of second aspect, service traffics match information includes ingress port information, source MAC letter
Breath, target MAC (Media Access Control) address information, ethernet type information, VLAN ID information, virtual LAN precedence information, source
IP address information, purpose IP address information, IP agreement information, IP type of service information, TCP or UDP source port information, TCP or
UDP destination port information；The service traffics virtual path information includes label switched path information.
In one embodiment of second aspect, flow table generation unit is specifically used for according to business game and network condition
Generate flow table.
In one embodiment of second aspect, flow table issuance unit is specifically used for passing through OpenFlow interface for flow table
It is handed down to network edge device, the OpenFlow interface supports network virtual path action field.
The third aspect, the embodiment of the present invention provide a kind of network edge device, comprising: flow table receiving unit, for passing through
The flow table that OpenFlow interface flow controller is sent, the OpenFlow interface support network virtual path action field；
Flow retransmission unit, for identifying service traffics according to flow table and being forwarded according to corresponding network virtual path.
In one embodiment of the third aspect, flow retransmission unit, for being wanted according to the determination of the Priority field of flow table
The flow table of execution identifies service traffics according to the flow table to be executed and is forwarded according to corresponding network virtual path.
Fourth aspect, the embodiment of the present invention provide a kind of service traffics scheduling system, comprising: in any of the preceding embodiments
Flow controller and network edge device in any of the preceding embodiments, flow controller pass through with network edge device
OpenFlow interface is communicated, and the OpenFlow interface supports network virtual path action field.
The embodiment of the present invention simplifies network configuration management work, and flow controller by centerized fusion mechanism
Flow table is generated according to business game, real time down gives each network edge device, and extension has network virtual path action field in flow table,
Network edge device identifies service traffics according to flow table and is forwarded according to corresponding network virtual path, to realize business
The adjustment response ratio of flow Real-Time Scheduling, service distributing is very fast.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is that the network deployment principle for the service traffics Real-Time Scheduling scheme realized the present invention is based on OpenFlow technology is shown
It is intended to.
Fig. 2 is the flow chart of service traffics dispatching method one embodiment of the present invention.
Fig. 3 is the service traffics scheduling principle schematic diagram of an Application Example of the invention.
Fig. 4 is the service traffics scheduling flow figure of Application Example shown in Fig. 3.
Fig. 5 is the schematic diagram that service traffics of the present invention dispatch system one embodiment.
Fig. 6 is the structural schematic diagram of inventive flow controller one embodiment.
Fig. 7 is the structural schematic diagram of inventive network edge device one embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is that the network deployment principle for the service traffics Real-Time Scheduling scheme realized the present invention is based on OpenFlow technology is shown
It is intended to.With reference to Fig. 1, includes flow controller and each network edge device (such as R1, R2, R3) in network, controlled by centralization
Making mechanism generates flow table according to business game by the flow controller of centralization, and real time down gives each network edge device, realizes
Service traffics Real-Time Scheduling.Flow controller has a northbound interface and a southbound interface, and northbound interface is Restful interface,
Support Restful agreement, flow controller can be communicated by Restful interface with business management system etc., and southbound interface is
OpenFlow interface supports the OpenFlow agreement of extension, i.e., extension has network virtual path action field, flow control in flow table
Device can be communicated by OpenFlow interface with each network edge device.Network edge device for example can be router, exchange
The network equipments such as machine.
Fig. 2 is the flow chart of service traffics dispatching method one embodiment of the present invention.As shown in Fig. 2, the side of the embodiment
Method includes:
Step S202, flow controller obtain business game.The business game is the abstract and description for operation layer, is
Dynamically changeable.The abundant in content multiplicity of business game, it is no longer exhaustive herein, such as can be and ensure certain high-quality business not
Congestion.The acquisition modes of business game, for example, flow controller can be by the Restful interface of north orientation from service management system
System obtain business game, can also by administrative staff on flow controller configuration service strategy.
Step S204, flow controller generate flow table according to business game, and extension has network virtual path to act word in flow table
Section.
Reference table 1, flow table can also include priority for example including matching domain, counter, movement (or instruction) field
Domain etc..Wherein, action field includes forwarding, discarding etc., and the present invention also extends network virtual path action field, is used to indicate net
Network virtual path information.
Table 1
Wherein, for including: inbound port, source MAC (Media Access with the matched tuple of data packet in matching domain
Control, medium access control) address, target MAC (Media Access Control) address, ethernet type, virtual LAN (VLAN) mark, virtual office
Domain net priority, source IP address, purpose IP address, IP agreement, IP type of service, TCP (Transmission Control
Protocol, transmission control protocol) or UDP (User Datagram Protocol, User Datagram Protocol) source port, TCP
Or UDP destination port etc..Carrying out flow scheduling using ten binary group can make service traffics adjustment granularity thinner.
Step S206, flow controller by flow table issuance to network edge device, so that network edge device is according to flow table
It identifies service traffics and is forwarded according to corresponding network virtual path.A kind of method, flow controller can pass through
Flow table issuance to network edge device, is supported the movement of network virtual path according to the aforementioned OpenFlow interface by OpenFlow interface
Field.
The present embodiment simplifies network configuration management work by centerized fusion mechanism, and flow controller according to
Business game generates flow table, and real time down gives each network edge device, and extension has network virtual path action field, network in flow table
Edge device identifies service traffics according to flow table and is forwarded according to corresponding network virtual path, to realize service traffics
The adjustment response ratio of Real-Time Scheduling, service distributing is very fast.
In step S204, flow controller includes: flow according to the first implementation method that business game generates flow table
Controller determines service traffics match information and service traffics virtual path information according to business game, and service traffics are matched and are believed
Breath and service traffics virtual path information are respectively as the content in the matching domain and network virtual path action field of flow table.
Wherein, service traffics match information include ingress port information, source MAC address information, target MAC (Media Access Control) address information, with
Too net type information, VLAN ID information, virtual LAN precedence information, source IP address information, purpose IP address
Information, IP agreement information, IP type of service information, TCP or UDP source port information, TCP or UDP destination port information.Business Stream
Measuring virtual path information includes label switched path information.Every kind of service traffics match information can be respectively added to phase in matching domain
In the tuple type answered.
For example, business game is that all IPv4 flows select LSP1 (label switched path), all ipv6 traffic selections
LSP2, then service traffics match information is IP agreement information, including IPv4 and IPv6, and service traffics virtual path information is LSP letter
Breath, including LSP1 and LSP2, then the IP agreement tuple of matching domain is IPv4 in flow table 1, and network virtual path action field is LSP1,
The IP agreement tuple of matching domain is IPv6 in flow table 2, and network virtual path action field is LSP2.
In step S204, flow controller includes: flow according to second of implementation method that business game generates flow table
Controller determines precedence information, service traffics match information and service traffics virtual path information according to business game, will be excellent
First grade information, service traffics match information and service traffics virtual path information respectively as the Priority field of flow table, matching domain and
Content in network virtual path action field.
Wherein, the meaning of service traffics match information and service traffics virtual path information is with reference to aforementioned.Precedence information packet
Include flow table relative to routing table execute sequence, different flow table executes sequence.
For example, business game is that all IPv4 flows select LSP1, all ipv6 traffics select LSP2, and guarantee as far as possible
IPv4 flow not congestion, then service traffics match information is IP agreement information, including IPv4 and IPv6, service traffics virtual path letter
Breath is LSP information, including LSP1 and LSP2, then the IP agreement tuple of matching domain is IPv4 in flow table 1, and network virtual path acts word
Section is LSP1, and Priority field is that flow table is forwarded prior to routing table, and the IP agreement tuple of matching domain is IPv6 in flow table 2, and network is empty
Path action field is LSP2.
In step S204, flow controller includes: flow according to the third implementation method that business game generates flow table
Controller generates flow table according to business game and network condition, i.e., generates stream according to business game and in conjunction with current network condition
Table.Specifically, flow controller determines service traffics match information and service traffics according to business game and network condition
Virtual path information, it is empty using service traffics match information and service traffics virtual path information as the matching domain of flow table and network
Content in the action field of path.Alternatively, flow controller determines precedence information, industry according to business game and network condition
Flow matches information of being engaged in and service traffics virtual path information, precedence information, service traffics match information and service traffics are empty
Routing information is respectively as the content in the Priority field of flow table, matching domain and network virtual path action field.
For example, business game is to provide better delay guarantee for virtual LAN VLAN 1 and VLAN2 for VLAN1,
Then according to current network condition, planning has two strip label switching path LSP1 and LSP2, and wherein the link bandwidth of LSP1 is bigger,
Then LSP1 can be distributed to VLAN1 by network flow table strategy, and LSP2 distributes to VLAN2, further may further specify that VLAN1 is opposite
It is higher in the priority of VLAN2, it further may further specify that the flow table of VLAN1 is forwarded prior to routing table.Then matching domain in flow table 1
VLAN ID tuple be VLAN1, virtual LAN priority tuple is that VLAN1 is higher than VLAN2, and network virtual path is dynamic
Making field is LSP1, and Priority field is that flow table is forwarded prior to routing table；The VLAN ID tuple of matching domain is in flow table 1
VLAN2, virtual LAN priority tuple are that VLAN1 is higher than VLAN2, and network virtual path action field is LSP2, Priority field
It can be not provided with.
It can be seen that combining current network condition when necessary according to business game, can choose corresponding in matching domain
Service traffics are planned as occurrence and are dispatched in the combination of one tuple or multiple tuples.The particular content of business game is not
It is same then need adaptively to select corresponding tuple from matching domain.12 tuples of at least aforementioned list can in matching domain
To be used to carry out flow scheduling, therefore relative to existing five-tuple scheduling scheme, service traffics adjustment granularity can be made thinner.
Enumerate an Application Example again below.With reference to the service traffics scheduling principle of this application embodiment shown in Fig. 3
Schematic diagram, and with reference to the service traffics scheduling flow figure of this application embodiment shown in Fig. 4.This application embodiment includes:
Step S402, system initialization complete relevant configuration.For example, configuration flow controller and each network edge device
Between the channel that communicates, reserve resource etc..
Step S404, network side plan deployment LSP according to factors such as link bandwidth, flux and flow directions, specifically can be by flow
Controller planning deployment LSP, reinforms flow controller after deployment LSP can also being planned with other network equipments.
Step S406, network edge device enable OpenFlow interface, and default policy is configurable to based on route selection,
After flow controller issues flow table strategy, then it is based on flow table routing.Then step S414 is executed.
Step S408, centralized flow controller are flowed by the Restful interface of north orientation to about IPv4, IPv6
The business game of scheduling is measured, i.e., all IPv4 flows select LSP1, and all ipv6 traffics select LSP2.
Step S410, flow controller generate corresponding flow table 1 and flow table according to OpenFlow rule, according to business game
2.The IP agreement tuple of matching domain is IPv4 in flow table 1, and network virtual path action field is LSP1, the IP of matching domain in flow table 2
Agreement tuple is IPv6, and network virtual path action field is LSP2, is expressed as follows:
FlowTable1:Match Version 4, action LSP1；
FlowTable2:Match Version 6, action LSP2；
Step S412, flow controller using OpenFlow agreement by the OpenFlow interface of south orientation by flow table issuance extremely
Network edge device R1, R2, R3.Then step S314 is executed.
Step S414, network edge device receive flow table strategy, execute flow table according to flow table policy priority grade.It is therein
Priority include flow table relative to routing table execute sequence, different flow tables execute sequence.Executing flow table is specially according to stream
Table identifies service traffics and is forwarded according to corresponding network virtual path.
Fig. 5 is the schematic diagram that service traffics of the present invention dispatch system one embodiment.With reference to Fig. 5, the business of the present embodiment
Flow scheduling system 500 includes: flow controller 502 and network edge device 504, and flow controller 502 is set with network edge
Standby 504 are communicated by OpenFlow interface, and OpenFlow interface supports network virtual path action field.
Fig. 6 is the structural schematic diagram of inventive flow controller one embodiment.With reference to Fig. 6, the flow control of the present embodiment
Device 502 processed, comprising:
Tactful acquiring unit 602, for obtaining business game；
Flow table generation unit 604, for generating flow table according to business game, extension has network virtual path to act word in flow table
Section；
Flow table issuance unit 606 is used for flow table issuance to network edge device, so that network edge device is according to flow table
It identifies service traffics and is forwarded according to corresponding network virtual path.
In one embodiment, tactful acquiring unit 602 is specifically used for passing through Restful interface from business management system
Obtain business game.
In one embodiment, flow table generation unit 604, specifically for determining that service traffics match according to business game
Information and service traffics virtual path information, using service traffics match information and service traffics virtual path information as flow table
Content in matching domain and network virtual path action field.
In one embodiment, flow table generation unit 604, specifically for according to business game determine precedence information,
Service traffics match information and service traffics virtual path information, by precedence information, service traffics match information and service traffics
Virtual path information is respectively as the content in the Priority field of flow table, matching domain and network virtual path action field.
Wherein, service traffics match information include ingress port information, source MAC address information, target MAC (Media Access Control) address information, with
Too net type information, VLAN ID information, virtual LAN precedence information, source IP address information, purpose IP address
Information, IP agreement information, IP type of service information, TCP or UDP source port information, TCP or UDP destination port information.Business Stream
Measuring virtual path information includes label switched path information.
In one embodiment, flow table generation unit 604 is specifically used for generating stream according to business game and network condition
Table.
In one embodiment, flow table issuance unit 606 is specifically used for flow table issuance through OpenFlow interface to net
Network edge device, OpenFlow interface support network virtual path action field.
Fig. 7 is the structural schematic diagram of inventive network edge device one embodiment.With reference to Fig. 7, the network of the present embodiment
Edge device 504 includes:
Flow table receiving unit 702, the flow table for being sent by OpenFlow interface flow controller, OpenFlow
Interface supports network virtual path action field；
Flow retransmission unit 704, for identifying service traffics according to flow table and being carried out according to corresponding network virtual path
Forwarding.
In one embodiment, flow retransmission unit 704, for determining the stream to be executed according to the Priority field of flow table
Table identifies service traffics according to the flow table to be executed and is forwarded according to corresponding network virtual path.
The present embodiment simplifies network configuration management work by centerized fusion mechanism, and part configuration work is only flowing
Amount controller carries out, and flow controller generates flow table according to business game, and real time down gives each network edge device, flow table
Middle extension has a network virtual path action field, and network edge device according to flow table identifies service traffics and according to corresponding network
Virtual path is forwarded, to realize service traffics Real-Time Scheduling, the adjustment response ratio of service distributing is very fast.
In the present invention centralization flow controller for example can using x86 IA frame serverPC realize, have 8 core CPU,
64G memory and 2T storage capacity to guarantee certain flow table processing capacity, and can set up upgrading by server and promote it
Process performance.
Network edge device in the present invention, hardware implementation mode include master control board card, network board, interface card.It is main
Board is controlled, also needs to have in addition to having conventional router routing and VPN processing capacity as forwarding device control and higher management
Standby OpenFlow protocol handling capability.Such as have 1,000,000 IPv4 forwarding tables, 500,000 IPv6 forwarding tables, 2,000 ten thousand OpenFlow flows
List processing ability.Network board, for realizing the high speed exchange of data message in system.Such as has single slot 400Gbps or more
Nonblocking switching ability.Interface card, receives the flow table that main control card issues, and carries out flow forwarding based on flow table.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (17)
1. a kind of service traffics dispatching method characterized by comprising
Flow controller obtains business game；
Flow controller generates flow table according to business game, and flow table includes matching domain and action field, the action field in flow table
Extension has network virtual path action field, wherein the content in network virtual path action field is service traffics virtual path information；
Flow controller by flow table issuance to network edge device, so that network edge device is identified according to the matching domain in flow table
Out service traffics and according to corresponding network virtual path action field indicate network virtual path be forwarded.
2. the method according to claim 1, wherein flow controller acquisition business game includes:
Flow controller obtains business game from business management system by Restful interface.
3. the method according to claim 1, wherein the flow controller generates flow table packet according to business game
It includes:
Flow controller determines service traffics match information and service traffics virtual path information according to business game, by Business Stream
Flux matched information and service traffics virtual path information are respectively as in the matching domain and network virtual path action field of flow table
Hold.
4. the method according to claim 1, wherein the flow controller generates flow table packet according to business game
It includes:
Flow controller determines that precedence information, service traffics match information and service traffics virtual path are believed according to business game
Breath, using precedence information, service traffics match information and service traffics virtual path information as the Priority field of flow table,
With the content in domain and network virtual path action field.
5. the method according to claim 3 or 4, which is characterized in that the service traffics match information includes inbound port letter
Breath, source MAC address information, target MAC (Media Access Control) address information, ethernet type information, VLAN ID information, virtual LAN
Precedence information, source IP address information, purpose IP address information, IP agreement information, IP type of service information, TCP or UDP source
Message breath, TCP or UDP destination port information；
The service traffics virtual path information includes label switched path information.
6. the method according to claim 1, wherein the flow controller generates flow table packet according to business game
It includes:
Flow controller generates flow table according to business game and network condition.
7. the method according to claim 1, wherein the flow controller sets flow table issuance to network edge
It is standby to include:
Flow controller is by OpenFlow interface by flow table issuance to network edge device, the OpenFlow interface support net
Network virtual path action field.
8. a kind of flow controller characterized by comprising
Tactful acquiring unit, for obtaining business game；
Flow table generation unit, for generating flow table according to business game, flow table includes matching domain and action field, moving in flow table
There is network virtual path action field as field extension, wherein the content in network virtual path action field is service traffics void road
Diameter information；
Flow table issuance unit is used for flow table issuance to network edge device, so that network edge device is according in flow table
Service traffics are identified with domain and are forwarded according to the network virtual path that corresponding network virtual path action field indicates.
9. flow controller according to claim 8, which is characterized in that the strategy acquiring unit, specifically for passing through
Restful interface obtains business game from business management system.
10. flow controller according to claim 8, which is characterized in that the flow table generation unit is specifically used for basis
Business game determines service traffics match information and service traffics virtual path information, by service traffics match information and Business Stream
Virtual path information is measured respectively as the content in the matching domain and network virtual path action field of flow table.
11. flow controller according to claim 8, which is characterized in that the flow table generation unit is specifically used for basis
Business game determines precedence information, service traffics match information and service traffics virtual path information, by precedence information, industry
Flow matches information of being engaged in and service traffics virtual path information are dynamic respectively as the Priority field of flow table, matching domain and network virtual path
Make the content in field.
12. flow controller described in 0 or 11 according to claim 1, which is characterized in that the service traffics match information includes
Ingress port information, source MAC address information, target MAC (Media Access Control) address information, ethernet type information, VLAN ID information, void
Quasi- local area network precedence information, source IP address information, purpose IP address information, IP agreement information, IP type of service information, TCP
Or UDP source port information, TCP or UDP destination port information；
The service traffics virtual path information includes label switched path information.
13. flow controller according to claim 8, which is characterized in that the flow table generation unit is specifically used for basis
Business game and network condition generate flow table.
14. flow controller according to claim 8, which is characterized in that the flow table issuance unit, specifically for passing through
For OpenFlow interface by flow table issuance to network edge device, the OpenFlow interface supports network virtual path action field.
15. a kind of network edge device characterized by comprising
Flow table receiving unit, the flow table for being sent by OpenFlow interface flow controller, flow table includes matching domain
And action field, the action field extension in flow table have network virtual path action field, the OpenFlow interface supports network
Virtual path action field, wherein the content in network virtual path action field is service traffics virtual path information；
Flow retransmission unit, for identifying service traffics according to the matching domain in flow table and being moved according to corresponding network virtual path
The network virtual path for making field instruction is forwarded.
16. network edge device according to claim 15, which is characterized in that flow retransmission unit, for according to flow table
Priority field determine the flow table to be executed, service traffics are identified according to the flow table to be executed and according to corresponding network
Virtual path is forwarded.
17. a kind of service traffics dispatch system characterized by comprising the described in any item flow controls of claim 8-14
Network edge device described in device and claim 15 or 16, flow controller and network edge device pass through OpenFlow interface
It is communicated, the OpenFlow interface supports network virtual path action field.
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| CN107787017B (en) * | 2016-08-24 | 2019-11-12 | 大唐移动通信设备有限公司 | A kind of self study mode realizes the method locally shunted |
| CN107968714B (en) * | 2016-10-20 | 2020-08-21 | 中国电信股份有限公司 | Content charging method and system |
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