CN106878178A - Flow table issuance method, system and controller - Google Patents

Flow table issuance method, system and controller Download PDF

Info

Publication number
CN106878178A
CN106878178A CN201510918968.7A CN201510918968A CN106878178A CN 106878178 A CN106878178 A CN 106878178A CN 201510918968 A CN201510918968 A CN 201510918968A CN 106878178 A CN106878178 A CN 106878178A
Authority
CN
China
Prior art keywords
flow table
message
interchanger
template
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510918968.7A
Other languages
Chinese (zh)
Other versions
CN106878178B (en
Inventor
陈华南
朱永庆
阮科
邹洁
梁洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Telecom Corp Ltd
Original Assignee
China Telecom Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN201510918968.7A priority Critical patent/CN106878178B/en
Publication of CN106878178A publication Critical patent/CN106878178A/en
Application granted granted Critical
Publication of CN106878178B publication Critical patent/CN106878178B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/74Address processing for routing
    • H04L45/745Address table lookup; Address filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention proposes a kind of flow table issuance method, system and controller, is related to data communication field.Wherein, flow table issuance method of the invention includes:After controller receives the flow table solicitation message from interchanger, the type of flow table solicitation message is recognized, judge whether the corresponding flow table template of type has been issued to interchanger;If being not issued to interchanger, the flow table template of corresponding types is generated, flow table template is sent to interchanger;According to the flow table solicitation message received in the scheduled time, to interchanger, flow table group message includes the corresponding flow table information of each flow table solicitation message in the scheduled time to generation flow table group information and sending to controller.By such method, controller according to flow table application can generate corresponding flow table template and be sent to interchanger, and flow table group message is generated according to a plurality of flow table application for receiving, and realize that the batch of flow table information is issued, the quantity of interacting message is greatly reduced, read-write efficiency is lifted.

Description

Flow table issuance method, system and controller
Technical field
The present invention relates to data communication field, particularly a kind of flow table issuance method, system and control Device processed.
Background technology
SDN (Software-Defined Networking, software defined network) proposes control The technology that face processed and forwarding surface are separate, when chain of command will process message by OpenFlow agreements Required flow table issuance is to forwarding surface.
There are multiple entries in OpenFlow flow table, each entry is by Match and Action two It is grouped into.Match is matching characteristic information, and Action is that message performs action.When certain report Text enters forwarding surface, in the characteristic information and flow table of the processor extraction message of forwarding surface Match matching, corresponding action is performed if matching.
In the prior art, OpenFlow flow table read-write process as shown in figure 1, using FlowMod messages carry out flow table renewal, Match of the FlowMod message package containing an entry Information and Action information, information are expressed in TLV forms.One entry of read-write needs transmitting-receiving One openflow message, when there is a large amount of entries more news simultaneously, chain of command with turn Fermentation needs interaction very repeatedly, and flow table issuance speed is low, causes Message processing to postpone than larger, Influence business experience.
The content of the invention
It is an object of the present invention to improve flow table issuance efficiency, business experience is lifted.
According to an aspect of the present invention, a kind of flow table issuance method is proposed, including:Controller After receiving the flow table solicitation message from interchanger, the type of flow table solicitation message is recognized, and sentenced Whether the disconnected corresponding flow table template of type has been issued to interchanger;If the corresponding flow table template of type Interchanger is not issued to, then generates the flow table template of corresponding types, flow table template is sent to friendship Change planes;Controller according to the flow table solicitation message received in the scheduled time, based on corresponding flow table Template generation flow table group information and sending to interchanger, wherein, flow table group message includes predetermined The corresponding flow table information of each flow table solicitation message in time.
Further, also include:If the corresponding flow table template of the type of flow table solicitation message has been sent out Interchanger is given, is then performed according to flow table solicitation message is received in the scheduled time, based on corresponding The step of flow table template generation flow table group information and sending is to interchanger.
Further, the flow table solicitation message for being received in the scheduled time is:Controller receives first The flow table application for starting to be received during timing reaches the scheduled time after flow table solicitation message disappears Breath, wherein, after controller generates flow table group message, the next flow table application that will be received disappears Breath is used as first flow table solicitation message.
Further, flow table group message includes type identification, every in flow table group message for identifying The type of individual flow table information.
By such method, controller can generate corresponding flow table template according to flow table application And interchanger is sent to, and flow table group message is generated according to a plurality of flow table application for receiving, realize stream The batch of table information is issued, and greatly reduces the quantity of interacting message, lifts read-write efficiency.
According to another aspect of the present invention, a kind of controller is proposed, including:Message obtains mould Block, for receiving the flow table solicitation message from interchanger;Judge module, for recognizing flow table The type of solicitation message, and judge whether the corresponding flow table template of type has been issued to interchanger; Template generation module, is not issued to for the corresponding flow table template of type in flow table solicitation message In the case of interchanger, the flow table template of corresponding types is generated, flow table template is sent to exchange Machine;Flow table group generation module, for according to the flow table solicitation message received in the scheduled time, base In corresponding flow table template generation flow table group information and sending to interchanger, wherein, flow table group disappears Breath includes the corresponding flow table information of each flow table solicitation message in the scheduled time.
Further, if judge module determines the corresponding flow table template of the type of flow table solicitation message Interchanger is had been issued to, is then activated flow table group generation module and is performed according to receiving stream in the scheduled time Table solicitation message, based on corresponding flow table template generation flow table group information and sending to interchanger Step.
Further, the flow table solicitation message for being received in the scheduled time is:Controller receives first The flow table application for starting to be received during timing reaches the scheduled time after flow table solicitation message disappears Breath, wherein, after controller generates flow table group information and sending, the next flow table that will be received Solicitation message is used as first flow table solicitation message.
Further, flow table group message includes type identification, every in flow table group message for identifying The type of individual flow table information.
Such controller according to flow table application can generate corresponding flow table template and be sent to Interchanger, flow table group message is generated according to a plurality of flow table application for receiving, and realizes flow table information Batch is issued, and greatly reduces the quantity of interacting message, lifts read-write efficiency.
According to a further aspect of the invention, a kind of flow table issuance system is proposed, including:Above In any one controller and interchanger for mentioning, wherein, interchanger, for being sent to controller Flow table application is asked;Flow table template and flow table group message are obtained from controller;According to flow table template Parsing flow table group message.
Further, interchanger parses flow table group message and specifically includes according to flow table template:Exchange Machine determines the corresponding stream of flow table information in flow table group message according to the type identification of flow table group message Table template;The corresponding flow table template parsing flow table group of flow table information in flow table group message disappears Breath.
Such flow table issuance system, its controller can generate corresponding stream according to flow table application Table template is simultaneously sent to interchanger, and flow table group message is generated according to a plurality of flow table application for receiving, Realize that the batch of flow table information is issued, greatly reduce the quantity of interacting message, lifting read-write Efficiency;Interchanger can parse flow table group message according to corresponding flow table template, so as to realize criticizing Amount obtains flow table information.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application A part, schematic description and description of the invention is used to explain the present invention, not structure Into inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that flow table information is issued in the prior art.
Fig. 2 is the flow chart of one embodiment of flow table issuance method of the invention.
Fig. 3 is the flow chart of another embodiment of flow table issuance method of the invention.
Fig. 4 is the signaling interaction diagram of the further embodiment of flow table issuance method of the invention.
Fig. 5 is the schematic diagram of one embodiment of controller of the invention.
Fig. 6 is the schematic diagram of one embodiment of flow table issuance system of the invention.
Specific embodiment
Below by drawings and Examples, technical scheme is done and is further retouched in detail State.
The flow chart of one embodiment of flow table issuance method of the invention is as shown in Figure 2.
In step 201, controller receives the flow table solicitation message from interchanger, and recognizes The type of flow table solicitation message.
In step 202., controller judges whether the corresponding flow table template of the type has been issued to Interchanger.If having transmitted to interchanger, step 204 is performed;If being not issued to submit stream to The interchanger of table solicitation message, then perform step 203.
In step 203, the flow table template of controller generation and flow table solicitation message corresponding types, And flow table template is sent to interchanger, then perform step 204.
In step 204, controller obtains corresponding Liu of flow table application received in the scheduled time Table information, and these flow table information are based on flow table template generation flow table group message, by flow table group Message is sent to interchanger.Flow table group message includes all streams of flow table application in the scheduled time Table information.In one embodiment, controller starts timing after receiving first flow table solicitation message Until the scheduled time, after controller generates flow table group message, the next flow table application that will be received Message is used as first flow table solicitation message.
By such method, controller can generate corresponding flow table template according to flow table application And interchanger is sent to, and flow table group message is generated according to a plurality of flow table application for receiving, realize stream The batch of table information is issued, and greatly reduces the quantity of interacting message, lifts read-write efficiency.
In one embodiment, flow table template (FlowModTemp) clear and definite flow table of message Match part be which type data, Action part be which type data;Such as road By list item, Match parts are all IP address, and Action parts are all outgoing interface and next-hop Information.Each field value comprising flow table in flow table group message (Flow ModBundle), and can The flow table of a plurality of identical ModTemp is carried, and without Type and Length information.Pass through Such method, can be used for using type, the form of flow table template definition flow table group message Parsing flow table group message.
The flow chart of another embodiment of flow table issuance method of the invention is as shown in Figure 3.
In step 301, timing is started after controller receives flow table solicitation message.The flow table Solicitation message can be that controller generates the first flow table solicitation message received after flow table group message.
In step 302, controller determines flow table information according to flow table solicitation message, and will stream In table information insertion flow table group message.
In step 303, controller judges whether to reach the scheduled time.If not up to predetermined Time, then perform step 304;If reaching the scheduled time, step 305 is performed.
In step 304, when controller have received flow table application, by corresponding flow table information In insertion flow table group message.Then whether return to step 303, continue to monitor and reach the scheduled time.
In step 305, controller generates the flow table application pair including being obtained in the scheduled time The flow table group message of the flow table information answered.The flow table group message is sent to interchanger by controller.
By such method, controller can real-time monitoring, and will be have received in the scheduled time Flow table application feedback content be entirely insertable same flow table group message in return to interchanger, greatly Reduce controller to interchanger send flow table information signaling burden;It is predetermined due to setting Time, ensure that the flow table information of interchanger request is returned from controller in the given time, Ensure that the Signalling exchange efficiency of the ageing and system of message.
Signaling interaction diagram such as Fig. 4 institutes of another embodiment of flow table issuance method of the invention Show.
In 401, interchanger, with postponing, realizes connection with controller completion escape way. When interchanger receives unknown unicast, Packet-in flow table solicitation messages are initiated to controller.
In 402, controller is based on path computation result, finds corresponding flow table, defines Flow table template (Flow ModTemp), and issued to interchanger.
In 403, controller is issued including flow table information based on flow table template style to interchanger Flow table group message (Flow ModBundle).
In 404,405, when interchanger carries out the renewal application of batch flow table, multiple is sent Packet-in messages are to controller.
In 406, multiple flow table contents are injected into flow table group by controller according to flow table template Message, and interchanger is issued to, realize issuing for batch flow table.
By such method, when interchanger first to controller application flow table information when, can It is rapid to obtain the flow table information based on flow table template, it is ensured that interchanger is for unknown unicast business Fast reaction;When interchanger batch flow table updates, can be obtained by a flow table group message Multiple flow table information are taken, the efficiency that controller sends flow table information to interchanger is improve.
In one embodiment, controller is by the corresponding flow table information of type identical flow table application Insert in same flow table group message, disappeared using type identification mark flow table group in flow table group message The type of flow table information in breath, is easy to the parsing of interchanger.If receiving difference in the given time The flow table solicitation message of type, then inject corresponding flow table information respective flow table group and disappear respectively In breath, it is labeled using mark.
By such method, by the corresponding flow table information note of the flow table solicitation message of same type It is low for the requirement of interchanger analytic ability in entering same flow table group message, and mark is simple, profit In application.
In one embodiment, the different types of flow table Shen that controller will be received in the scheduled time Please the corresponding flow table information of message inject in same flow table group message, used in flow table group message Reserved field is labeled as type identification, and flow table group message is such as marked using a byte In each flow table information type.Interchanger can be according to the mark, based on the parsing of flow table template Each flow table information in flow table group message.In one embodiment, 1 flow table group message can To carry 256 flow table information.
By such method, different types of flow table can be injected in same flow table group message Information, the type of each flow table information is marked using type identification, is further reduced predetermined The quantity of the flow table group message sent in the time, has reached the more effective profit to flow table group message With further increasing read-write efficiency.
The schematic diagram of one embodiment of controller of the invention is as shown in Figure 5.Wherein, message Acquisition module 501 can receive the flow table solicitation message from interchanger, and recognize flow table application The type of message.Judge module 502 can interpolate that whether the corresponding flow table template of the type has been sent out Give interchanger.If having transmitted to interchanger, activation flow table group generation module 504;If It is not issued to submit to the interchanger of flow table solicitation message, then activates masterplate generation module 503.Mould The generation of version generation module 503 and the flow table template of flow table solicitation message corresponding types, and by flow table Template is sent to interchanger, then activates flow table group generation module 504.Flow table group generation module The corresponding Liu's table information of flow table application that receives in the 504 acquisition scheduled times, and by these flow tables Information is based on flow table template generation flow table group message, and flow table group message is sent into interchanger.Stream Table group message includes all flow table information of flow table application in the scheduled time.
Such controller according to flow table application can generate corresponding flow table template and be sent to Interchanger, flow table group message is generated according to a plurality of flow table application for receiving, and realizes flow table information Batch is issued, and greatly reduces the quantity of interacting message, lifts read-write efficiency.
In one embodiment, controller receive start after first flow table solicitation message timing until The scheduled time, after controller generation flow table group message, the next flow table solicitation message that will be received As first flow table solicitation message.If after reaching the scheduled time, the flow table group message that will be generated It is sent to interchanger.
Such controller being capable of real-time monitoring, and the flow table application that will be received in the scheduled time Feedback content returns to interchanger in being entirely insertable same flow table group message, greatly reduces control Device sends the signaling burden of flow table information to interchanger;Due to setting the scheduled time, Neng Goubao The flow table information of card interchanger request is returned from controller in the given time, it is ensured that message The Signalling exchange efficiency of ageing and system.
In one embodiment, controller is by the corresponding flow table information of type identical flow table application Insert in same flow table group message, disappeared using type identification mark flow table group in flow table group message The type of flow table information in breath, is easy to the parsing of interchanger.If receiving difference in the given time The flow table solicitation message of type, then inject corresponding flow table information respective flow table group and disappear respectively In breath, it is labeled using mark.
Such interchanger can be by the corresponding flow table information of the flow table solicitation message of same type Inject in same flow table group message, it is low for the requirement of interchanger analytic ability, and mark is simple, Beneficial to application.
In one embodiment, the different types of flow table Shen that controller will be received in the scheduled time Please the corresponding flow table information of message inject in same flow table group message, used in flow table group message Reserved field is labeled as type identification, and flow table group message is such as marked using a byte In each flow table information type.Interchanger can be according to the mark, based on the parsing of flow table template Each flow table information in flow table group message.
Such interchanger can inject different types of flow table letter in same flow table group message Breath, the type of each flow table information is marked using type identification, is reduced and is sent out in the given time The quantity of the flow table group message sent, has reached the more effective utilization to flow table group message, enters one Step improves read-write efficiency.
The schematic diagram of one embodiment of flow table issuance system of the invention is as shown in Figure 6.Wherein, Controller 601 can disappear according to the flow table solicitation message generation flow table template and flow table group that receive Breath, interchanger is sent to by flow table template;The flow table solicitation message that will be received in the scheduled time Corresponding flow table information generates flow table group message, is sent to interchanger;Controller need not be repeated To interchanger send identical flow table template, only judge do not send the stream to the interchanger During table template, flow table template is just sent to interchanger.Interchanger 602 can be from controller 601 Flow table template and flow table group message are obtained, flow table group message is parsed using flow table template.
Such flow table issuance system, its controller can generate corresponding stream according to flow table application Table template is simultaneously sent to interchanger, and flow table group message is generated according to a plurality of flow table application for receiving, Realize that the batch of flow table information is issued, greatly reduce the quantity of interacting message, lifting read-write Efficiency;Interchanger can parse flow table group message according to corresponding flow table template, so as to realize criticizing Amount obtains flow table information.
In one embodiment, there is type identification, according to type identification energy in flow table group message Enough determine the corresponding flow table template of flow table information in flow table group message, and then according to flow table template Parsing flow table group message.By such method, interchanger can distinguish different types of flow table Information, is parsed, it is ensured that interchanger is for flow table information using corresponding flow table template Success is parsed.
In one embodiment, each flow table information is same type, root in flow table group message According to type identification, the parsing to flow table group message can be realized using same flow table template.This The flow table issuance system of sample reduces the requirement to interchanger, improves exchange data parsing Efficiency.
In one embodiment, each flow table information may be different type in flow table group message, Type identification is labelled with the type of each flow table information, and interchanger is directed to the corresponding class of flow table information Type, is parsed using different flow table templates.Such flow table issuance system is reduced pre- Fix time interior transmission flow table group message quantity, reached to the more effective of flow table group message Utilize, further increase read-write efficiency.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention and It is non-that it is limited;It is affiliated although being described in detail to the present invention with reference to preferred embodiment The those of ordinary skill in field should be understood:Specific embodiment of the invention can still be entered Row modification carries out equivalent to some technical characteristics;Without deviating from technical solution of the present invention Spirit, it all should cover in the middle of claimed technical scheme scope of the invention.

Claims (10)

1. a kind of flow table issuance method, it is characterised in that including:
After controller receives the flow table solicitation message from interchanger, recognize that the flow table application disappears The type of breath, and judge whether the corresponding flow table template of the type has been issued to the interchanger;
If the corresponding flow table template of the type is not issued to the interchanger, generation correspondence class The flow table template of type, the interchanger is sent to by the flow table template;
The controller according to the flow table solicitation message received in the scheduled time, based on corresponding stream Table template generation flow table group information and sending gives the interchanger, wherein, the flow table group message Include the corresponding flow table information of each flow table solicitation message in the scheduled time.
2. method according to claim 1, it is characterised in that also include:
If the corresponding flow table template of the type of the flow table solicitation message has been issued to the exchange Machine, then perform according to flow table solicitation message is received in the scheduled time, based on corresponding flow table template The step of generation flow table group information and sending gives the interchanger.
3. method according to claim 1, it is characterised in that in the scheduled time The flow table solicitation message for receiving is:Beginning timing reaches after controller receives first flow table solicitation message To the flow table solicitation message received during the scheduled time, wherein, when controller generation After flow table group message, the next flow table solicitation message that will be received is used as first flow table solicitation message.
4. method according to claim 1, it is characterised in that the flow table group message Including type identification, the type for identifying each flow table information in the flow table group message.
5. a kind of controller, it is characterised in that including:
Message capturing module, for receiving the flow table solicitation message from interchanger;
Judge module, for recognizing the type of the flow table solicitation message, and judges the type Whether corresponding flow table template has been issued to the interchanger;
Template generation module, for the corresponding flow table template of type in the flow table solicitation message In the case of being not issued to the interchanger, the flow table template of corresponding types is generated, by the stream Table template is sent to the interchanger;
Flow table group generation module, for according to the flow table solicitation message received in the scheduled time, base The interchanger is given in corresponding flow table template generation flow table group information and sending, wherein, it is described Flow table group message includes the corresponding flow table letter of each flow table solicitation message in the scheduled time Breath.
6. controller according to claim 5, it is characterised in that if the judgement mould Block determines that the corresponding flow table template of the type of the flow table solicitation message has been issued to the exchange Machine, then activate the flow table group generation module and perform and disappear according to receiving flow table application in the scheduled time Breath, based on corresponding flow table template generation flow table group information and sending give the interchanger the step of.
7. controller according to claim 5, it is characterised in that the scheduled time The flow table solicitation message for inside receiving is:Controller starts timing after receiving first flow table solicitation message The flow table solicitation message received during reaching the scheduled time, wherein, when controller life Into after flow table group information and sending, the next flow table solicitation message that will be received is used as first flow table Solicitation message.
8. controller according to claim 5, it is characterised in that the flow table group disappears Breath includes type identification, the type for identifying each flow table information in the flow table group message.
9. a kind of flow table issuance system, it is characterised in that including
Any controllers of claim 5-8;With
Interchanger, asks for sending flow table application to controller;Obtained from the controller and flowed Table template and flow table group message;The flow table group message is parsed according to the flow table template.
10. system according to claim 9, it is characterised in that
The interchanger parses the flow table group message and specifically includes according to the flow table template:
The interchanger determines in the flow table group message according to the type identification of flow table group message The corresponding flow table template of flow table information;Flow table information correspondence in the flow table group message Flow table template parse the flow table group message.
CN201510918968.7A 2015-12-11 2015-12-11 Flow table issuance method, system and controller Active CN106878178B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510918968.7A CN106878178B (en) 2015-12-11 2015-12-11 Flow table issuance method, system and controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510918968.7A CN106878178B (en) 2015-12-11 2015-12-11 Flow table issuance method, system and controller

Publications (2)

Publication Number Publication Date
CN106878178A true CN106878178A (en) 2017-06-20
CN106878178B CN106878178B (en) 2019-11-01

Family

ID=59177961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510918968.7A Active CN106878178B (en) 2015-12-11 2015-12-11 Flow table issuance method, system and controller

Country Status (1)

Country Link
CN (1) CN106878178B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109962850A (en) * 2017-12-14 2019-07-02 中国电信股份有限公司 The method and controller and computer readable storage medium of realization Segment routing
CN109981363A (en) * 2019-03-22 2019-07-05 烽火通信科技股份有限公司 A kind of adaptation method and system of southbound interface
WO2019165805A1 (en) * 2018-03-01 2019-09-06 中兴通讯股份有限公司 Message processing method and apparatus, and storage medium
CN111294280A (en) * 2018-12-07 2020-06-16 中国电信股份有限公司 Message duplicate checking method and device, and data forwarding method, device and system
CN112260948A (en) * 2020-10-16 2021-01-22 中国科学院声学研究所 Multi-core SDN switch flow table management method and system based on batch updating

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140331280A1 (en) * 2012-05-22 2014-11-06 Sri International Network Privilege Manager for a Dynamically Programmable Computer Network
CN104348724A (en) * 2013-07-31 2015-02-11 华为技术有限公司 Multi-tenant supporting data forwarding method and device
CN104378298A (en) * 2013-08-16 2015-02-25 中兴通讯股份有限公司 Flow table entry generating method and corresponding device
CN104579894A (en) * 2013-10-28 2015-04-29 杭州华三通信技术有限公司 IGMP Snooping realizing method and device of distributed virtual switch system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140331280A1 (en) * 2012-05-22 2014-11-06 Sri International Network Privilege Manager for a Dynamically Programmable Computer Network
CN104348724A (en) * 2013-07-31 2015-02-11 华为技术有限公司 Multi-tenant supporting data forwarding method and device
CN104378298A (en) * 2013-08-16 2015-02-25 中兴通讯股份有限公司 Flow table entry generating method and corresponding device
CN104579894A (en) * 2013-10-28 2015-04-29 杭州华三通信技术有限公司 IGMP Snooping realizing method and device of distributed virtual switch system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109962850A (en) * 2017-12-14 2019-07-02 中国电信股份有限公司 The method and controller and computer readable storage medium of realization Segment routing
WO2019165805A1 (en) * 2018-03-01 2019-09-06 中兴通讯股份有限公司 Message processing method and apparatus, and storage medium
CN111294280A (en) * 2018-12-07 2020-06-16 中国电信股份有限公司 Message duplicate checking method and device, and data forwarding method, device and system
CN111294280B (en) * 2018-12-07 2022-03-15 中国电信股份有限公司 Message duplicate checking method and device, and data forwarding method, device and system
CN109981363A (en) * 2019-03-22 2019-07-05 烽火通信科技股份有限公司 A kind of adaptation method and system of southbound interface
CN112260948A (en) * 2020-10-16 2021-01-22 中国科学院声学研究所 Multi-core SDN switch flow table management method and system based on batch updating

Also Published As

Publication number Publication date
CN106878178B (en) 2019-11-01

Similar Documents

Publication Publication Date Title
CN106878178A (en) Flow table issuance method, system and controller
CN112104654A (en) Multi-protocol automatic identification and conversion method and intelligent gateway
CN111865736B (en) Equipment control method and device
CN104283749B (en) Business disk upgrade method based on the half-duplex bus of RS 485
CN103856302B (en) A kind of smart machine control method
CN103023670A (en) Message service type identifying method and message service type identifying device based on data processing installation (DPI)
CN108990053A (en) A method of making the smart machine intelligent networking with camera
CN105302885A (en) Full-text data extraction method and device
CN112737845A (en) Binding method and device of intelligent equipment, storage medium and electronic device
CN108768882A (en) A kind of processing method and system of protocol massages
CN110401658A (en) A kind of data interactive method and interaction platform
CN107122237A (en) Data communication method and device
CN104994181B (en) A kind of method that dynamic MAC address table is shown in distributed OLT system
CN104243513B (en) A kind of data transmission device of double card navigation system
CN102006223B (en) Data transmission method, device and system between cards, board card and distributed system
CN103369417A (en) Configuration method of gigabit passive optical network terminal device
CN106685600A (en) Method for messaging among work stations within local area network
CN109673044A (en) Communication control method, chip, the gateway apparatus of chip
CN202424742U (en) Comprehensive supervision system
CN105072699B (en) Multiple method and devices from equipment access slot are quickly distributed in master-slave equipment
CN107193933A (en) A kind of source pump Mobile Server control system and method
CN105653207B (en) A kind of real time parsing method and system of flash interface information
CN105210325A (en) Ethernet passive optical network communication method, device and system
CN101110611B (en) Method and apparatus for echo wave filtering in EOC system
CN111698331A (en) Cloud synchronization method for Internet of things management data

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant