CN108600167A - A kind of communication device and method of the network watermark based on OpenFlow - Google Patents
A kind of communication device and method of the network watermark based on OpenFlow Download PDFInfo
- Publication number
- CN108600167A CN108600167A CN201810222792.5A CN201810222792A CN108600167A CN 108600167 A CN108600167 A CN 108600167A CN 201810222792 A CN201810222792 A CN 201810222792A CN 108600167 A CN108600167 A CN 108600167A
- Authority
- CN
- China
- Prior art keywords
- watermark
- embedded
- openflow
- related data
- data
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/126—Applying verification of the received information the source of the received data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/608—Watermarking
Abstract
The present invention relates to network flow digital watermark, the communication device and method of especially a kind of network watermark based on OpenFlow.It is set to the watermark built-in end of transmitting terminal in the present invention, adds flow table item for the communication data packet to transmitting terminal, chooses the related data for needing embedded watermark；After being then inserted into watermark, the related data of embedded watermark is sent to receiving terminal by network；It is set to the watermark detection end of receiving terminal, the related data for receiving the embedded watermark carries out watermark detection, determines the data relationship of transmitting terminal and receiving terminal.The embedded end switch extracts matched related data according to critical field in OpenFlow flow list item and is then sent to embedded controller progress watermark insertion；After being then inserted into watermark, by the related data of embedded watermark back to embedded controller after, receiving terminal is then sent to by network；Wherein embedded side controller issues OpenFlow flow list item to embedded end switch.
Description
Technical field
The present invention relates to network flow digital watermark, the communication device of especially a kind of network watermark based on OpenFlow and
Method.
Background technology
The abbreviation used in the present invention is defined first：
SDN(Software Defined Network)：Software defined network；
The appearance of Anonymizing networks hides identity for network attack person, hides detection and supervision provides effective means.Greatly
Majority of network attacker can select to log in intermediate springboard or hide the identity of oneself using Anonymizing networks, this make network monitor and
Management becomes more difficult.Active Networks stream digital watermark combines Active Networks flow analysis with digital watermarking thought,
Have many advantages, such as that accuracy rate is high, monitoring time is short, real-time, causes the extensive concern of scholars.
Active Networks stream digital watermark is a kind of Active Networks flow modulation and analytical technology.Its main thought is referred from
Digital watermarking is embedded in by initiatively modulating the feature of certain streams in suspicious transmitting terminal between watermark, such as the time of data packet
Every, effective payload package etc. of flow rate, data packet.After the transmission of complicated communication network, if being detected from receiving terminal
To data flow in be capable of detecting when corresponding watermark, then it is assumed that there is association in the flow at both ends, so as to further assert
There are correspondences at both ends.
Although network flow digital watermark constantly development and it is perfect, there is no with whole network security system it is whole
It closes, embedded point and test point deployment way are still dumb.
Invention content
The technical problem to be solved by the present invention is to：In view of the problems of the existing technology, one kind is provided to be based on
The communication device and method of the network watermark of OpenFlow.The invention discloses a kind of, and the network flow watermark based on OpenFlow fills
It sets and method, it is therefore intended that improve the flexibility of network flow watermaking system, propose network flow digital watermark under SDN network frame
A kind of new implementation method.
The technical solution adopted by the present invention is as follows：
A kind of communication device of the network watermark based on OpenFlow includes：
It is set to the watermark built-in end of transmitting terminal, flow table item is added for the communication data packet to transmitting terminal, chooses and need
The related data of embedded watermark；After being then inserted into watermark, the related data of embedded watermark is sent to receiving terminal by network；
It is set to the watermark detection end of receiving terminal, the related data for receiving the embedded watermark carries out watermark detection,
Determine the data relationship of transmitting terminal and receiving terminal.
Further, the embedded end switch extracts matched dependency number according to critical field in OpenFlow flow list item
Watermark insertion is carried out according to embedded controller is then sent to；After being then inserted into watermark, the related data of embedded watermark is postbacked
After embedded controller, receiving terminal is then sent to by network；Wherein embedded side controller issues OpenFlow flow list item
To embedded end switch；Embedded interchanger is commercial OpenFlow interchangers.
Further, critical field extracts matched related data detailed process in the list item according to OpenFlow flow
It is：Embedded interchanger matches the data received by the data packet matched domain of OpenFlow flow list item, extracts energy
Carry out the data of watermark insertion；Then when the processing order of the matched data of the data for output to controller when, then the data
It is sent to embedded controller by embedded interchanger and carries out watermark insertion.
Further, the detection end switch is embedding according to the matched watermark of critical field extraction in OpenFlow flow list item
The related data entered is then sent to detection side controller and carries out watermarking demodulation；Then detection side controller will be after watermarking demodulation
Related data carry out watermark detection, determine the data relationship of transmitting terminal and receiving terminal；Detection end switch is commercial
OpenFlow interchangers.
Further, the data relationship of the determining transmitting terminal and receiving terminal, which refers to, can detect embedded controller
When embedded watermark, then it is assumed that transmitting terminal and receiving terminal communication flows, which exist, to close, and determines that transmitting terminal and receiving terminal section have communication
Relationship.
Further, the commercialization OpenFlow interchangers need to recompilate OpenWRT, add OpenFlow source codes；
It changes network configuration files and completes the configuration of commercialization OpenFlow interchanger peripheral ports；It changes OpenFlow files and completes quotient
It is configured with OpenFlow exchange datas channel；Change the forwarding of firewall file configuration commercialization OpenFlow switch ports
Function.
Further, the embedded interchanger and detection end switch are special OpenFlow interchangers, wherein special
OpenFlow interchangers allow, in OVS patterns, to create bridge and configure port, then connect corresponding embedded control by ordering
Device processed and detection side controller.
Communication means based on the communication device includes：
The watermark built-in end for being set to transmitting terminal adds flow table item to the communication data packet of transmitting terminal, and selection needs embedded water
The related data of print；After being then inserted into watermark, the related data of embedded watermark is sent to receiving terminal by network；
The watermark detection end for being set to receiving terminal receives the related data of the embedded watermark, carries out watermark detection, determines
The data relationship of transmitting terminal and receiving terminal.
Further, the embedded end switch extracts matched dependency number according to critical field in OpenFlow flow list item
Watermark insertion is carried out according to embedded controller is then sent to；After being then inserted into watermark, the related data of embedded watermark is postbacked
After embedded controller, receiving terminal is then sent to by network；Wherein embedded side controller issues OpenFlow flow list item
To embedded end switch.
Further, the detection end switch extracts matched watermark day according to critical field in OpenFlow flow list item
Embedded related data is then sent to detection side controller and carries out watermarking demodulation；Then side controller is detected by watermarking demodulation
Related data afterwards carries out watermark detection, determines the data relationship of transmitting terminal and receiving terminal.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
OpenFlow interchangers and controller can be disposed within network nodes, and controller is by issuing rule control
OpenFlow interchangers thus can uniformly be handled the data flow by way of the network node.This prints skill for flowing water
Art provides more flexible realization method.
(1) present invention embeds a watermark into a little using this new network frame of SDN and test point is deployed in SDN frameworks
Under network node in so that system is embedded to watermark and the control of detection is more flexible.
(2) present invention uses OpenFlow agreements, the interchanger under SDN network to support the agreement mostly, has fine
Applicability.
(3) present invention realizes the function that watermark is embedded and detects in Floodlight controllers, without to OpenFlow
The software and hardware of interchanger is modified so that system is easy to extend and manage.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is apparatus of the present invention deployment diagram.
Fig. 2 is general commercial interchanger and control host attachment structure schematic diagram.
Fig. 3 is special OpenFlow interchangers and controller attachment structure schematic diagram.
Fig. 4 is apparatus of the present invention process design drawing.
Fig. 5 is OpenFlow flow list item schematic diagram.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
Related description of the present invention：
1, embedded interchanger and detection end switch are all special OpenFlow interchangers
2, critical field includes at least data packet matched domain and matched data processing order in OpenFlow flow list item.
3, SDN is a kind of novel network architecture based on software programmable thought, and there are one be centrally controlled plane for it
With distributed Forwarding plane, two planes are separated from each other, therefore SDN needs not rely on the bottom-layer networks such as interchanger in realization
Equipment.The frame improves administration authority of the user to network simultaneously, so developer can be with self-defined any desired transmission
Rule and network router strategy based thereon, this makes network-control become more flexible and intelligence.It can dispose within network nodes
OpenFlow interchangers and controller, controller by issuing rule control OpenFlow interchangers, thus can to by way of
The data flow of the network node is uniformly handled.This provides more flexible realization method for stream digital watermark.
Two, the specific implementation flow of the invention is as follows：
1) OpenFlow interchangers and controller are disposed in real network node, build watermark built-in end and test side net
Network environment.The experiment deployment of this system needs OpenFlow interchangers two, PC4 platforms, system deployment as shown in Figure 1.
OpenFlow interchangers are divided into two kinds：One is special OpenFlow interchangers, such interchanger hardware realizations
Three elements of OpenFlow interchangers.Another kind is commercial interchanger, and in production, there is no OpenFlow friendships
Three bases changed planes, user need, by the self-defined flow table of software, escape way and protocol specification, to realize OpenFlow
The function of interchanger.When completing system environments deployment different steps is needed using different OpenFlow interchangers.
For special OpenFlow interchangers, it can be directly connected to controller, detection both ends signal intelligence is completed environment and matched
It sets.Environment is completed in experiment using Pica8 interchangers to dispose, which supports the OVS patterns of OpenFlow interchangers.When
Just there is no any difference functionally after into OVS patterns with OpenVSwitch.It enables interchanger operate under OVS patterns, creates
Bridge simultaneously configures port, then connects controller by order.Connection structure is as shown in Figure 2.
For commercial interchanger, to install software in its system before environment deployment makes its support OpenFlow, matches
Controller is connected after the completion of setting, detects both ends signal intelligence, and connection structure is as shown in Figure 3.TP-LINK interchangers are used in experiment
Environment deployment is completed, which is OpenWRT, and Openwork is recompilated on PC, changes configuration file, will
The system image of generation is uploaded to the upgrading that interchanger completes operating system.
Concrete operations are：
1. recompiling OpenWRT, OpenFlow source codes are added.
2. changing the configuration of network configuration file completing ports：It is different ports according to the requirement of OpenFlow agreements
Divide different vlan.A reserved common port remaining port is respectively divided different for connecting controller
Vlan is used as the ports standard OpenFlow.
3. changing openflow files completes data channel configuration：Data path id is set, the port configured is set as
Controller ip and port is arranged in OpenFlow standard ports.
4. changing firewall file configuration port forwarding functions.
2) corresponding rule is issued at both ends
For OpenFlow interchangers according to the processing mode of flow table determination data packet, flow table item structure is as shown in Figure 5.Wherein
Match Fields field lists show data packet matching domain, and matching domain includes data packet head, into port information, metadata etc..
Instructions is for being arranged data packet operation set or pipeline processes.Data packet reach interchanger after, just in assembly line
Flow table interact, matched with flow table item by Match fields fields, data packet of the data packet matched field from arrival
Then middle extraction handles order Instructions field contents according to matched data and is carried out accordingly to the data packet being matched to
Processing.When matched data processing order Instructions field definitions are " output=controller ", interchanger is just
The data envelope that will match to, which is attached in Packet-in message, is sent to Floodlight controllers.
By the Floodlight controllers at both ends, (controller refers to that embedded controller or test side control to system
Device) different field in flow table item is defined, flow table item is issued to OpenFlow interchangers, the OpenFlow of create-rule, both ends is handed over
(interchanger refers to embedded interchanger or detection end switch) is changed planes by executing rule of controller, feature will be met
Data packet be sent to controller and be further processed.
3) network flow watermark insertion, detection function are realized, is embedded in watermark in transmitting terminal, receiving terminal detects watermark digit watermark
Technology includes two aspects of design of the determination and watermark insertion, watermarking demodulation mode of watermark carrier.Watermark insertion is by watermark
Certain attributes of carrier are appropriately modified the insertion for completing watermark, and watermarking demodulation is that Detection and Extraction watermark is believed from watermark carrier
Number position.This system is using the packet interval time as the watermark carrier of network flow digital watermark.Watermark insertion detection function exists
Floodlight controller ends are realized.Basic thought using the packet interval time as watermark carrier is in transmitting terminal data flow
It is middle to choose a certain number of data packets, it is embedded in watermark information by adjusting the transmission time interval of selected data packet.This method
It is critical to insure that there are enough data packets in the network flow of watermarking, and it only is embedded in watermark in selected data parlor,
Receiving terminal can detect watermark information by extracting the data packet receiving time interval of corresponding position in this way.The network flow watermark fills
Set process flow design drawing such as Fig. 4.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of communication device of the network watermark based on OpenFlow, it is characterised in that including：
It is set to the watermark built-in end of transmitting terminal, for adding flow table item to the communication data packet of transmitting terminal, selection needs to be embedded in
The related data of watermark；After being then inserted into watermark, the related data of embedded watermark is sent to receiving terminal by network；
It is set to the watermark detection end of receiving terminal, the related data for receiving the embedded watermark carries out watermark detection, determines
The data communications context of transmitting terminal and receiving terminal.
2. communication device according to claim 1, it is characterised in that the embedded end switch is according to OpenFlow flow table
Critical field extracts matched related data and is then sent to embedded controller progress watermark insertion in；It is then inserted into watermark
Afterwards, after by the related data of embedded watermark back to embedded controller, receiving terminal is then sent to by network；It is wherein embedded
Side controller issues OpenFlow flow list item to embedded end switch；Embedded interchanger is commercial OpenFlow interchangers.
3. communication device according to claim 2, it is characterised in that critical field in the list item according to OpenFlow flow
Extracting matched related data detailed process is：The data received are passed through the number of OpenFlow flow list item by embedded interchanger
It is matched according to packet matching domain, extraction can carry out the data of watermark insertion；Then order is handled in the matched data when the data
When to export to controller, then the data are sent to embedded controller by embedded interchanger and carry out watermark insertion.
4. communication device according to claim 1, it is characterised in that the detection end switch is according to OpenFlow flow table
Critical field extracts the related data of matched watermark day insertion in, is then sent to detection side controller and carries out watermark solution
It adjusts；Then the related data after watermarking demodulation is carried out watermark detection by detection side controller, determines the number of transmitting terminal and receiving terminal
According to relationship；It is commercial OpenFlow interchangers to detect end switch.
5. communication device according to claim 5, it is characterised in that the determining transmitting terminal is communicated with the data of receiving terminal
When relationship refers to the watermark that can detect embedded controller insertion, then it is assumed that transmitting terminal and receiving terminal communication flows exist
Correlation determines that there are correspondences for transmitting terminal and receiving terminal section.
6. the communication device according to one of claim 1 to 5, it is characterised in that the commercialization OpenFlow interchangers need
OpenWRT is recompilated, OpenFlow source codes are added；Network configuration files are changed to complete outside commercialization OpenFlow interchangers
Enclose port configuration；It changes OpenFlow files and completes the configuration of commercialization OpenFlow exchange datas channel；Change firewall texts
Part configures commercialization OpenFlow switch port forwarding capabilities.
7. the communication device according to one of claim 1 to 5, it is characterised in that the embedded interchanger is handed over test side
It is special OpenFlow interchangers to change planes, wherein special OpenFlow interchangers allow, in OVS patterns, to create bridge and configure end
Mouthful, then corresponding embedded controller and detection side controller are connected by ordering.
8. the communication means based on the communication device of claim 1,2,3,4 or 5, it is characterised in that including：
The watermark built-in end for being set to transmitting terminal adds flow table item to the communication data packet of transmitting terminal, chooses and needs embedded watermark
Related data；After being then inserted into watermark, the related data of embedded watermark is sent to receiving terminal by network；
The watermark detection end for being set to receiving terminal receives the related data of the embedded watermark, carries out watermark detection, determines and sends
The data relationship at end and receiving terminal.
9. communication means according to claim 8, it is characterised in that the embedded end switch is according to OpenFlow flow table
Critical field extracts matched related data and is then sent to embedded controller progress watermark insertion in；It is then inserted into watermark
Afterwards, after by the related data of embedded watermark back to embedded controller, receiving terminal is then sent to by network；It is wherein embedded
Side controller issues OpenFlow flow list item to embedded end switch.
10. communication means according to claim 8, it is characterised in that the detection end switch is according to OpenFlow flow table
Critical field extracts the related data of matched watermark day insertion in, is then sent to detection side controller and carries out watermark solution
It adjusts；Then the related data after watermarking demodulation is carried out watermark detection by detection side controller, determines the number of transmitting terminal and receiving terminal
According to correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222792.5A CN108600167A (en) | 2018-03-19 | 2018-03-19 | A kind of communication device and method of the network watermark based on OpenFlow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810222792.5A CN108600167A (en) | 2018-03-19 | 2018-03-19 | A kind of communication device and method of the network watermark based on OpenFlow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108600167A true CN108600167A (en) | 2018-09-28 |
Family
ID=63626817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810222792.5A Pending CN108600167A (en) | 2018-03-19 | 2018-03-19 | A kind of communication device and method of the network watermark based on OpenFlow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108600167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922066A (en) * | 2019-03-11 | 2019-06-21 | 江苏大学 | Dynamic watermark insertion and detection method in a kind of communication network based on time slot feature |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846237A (en) * | 2003-07-28 | 2006-10-11 | Igt公司 | Methods and apparatus for remote gaming |
| US20080235746A1 (en) * | 2007-03-20 | 2008-09-25 | Michael James Peters | Methods and apparatus for content delivery and replacement in a network |
| CN102096785A (en) * | 2011-02-24 | 2011-06-15 | 北京书生国际信息技术有限公司 | Authority control method and device |
| US8438631B1 (en) * | 2013-01-24 | 2013-05-07 | Sideband Networks, Inc. | Security enclave device to extend a virtual secure processing environment to a client device |
| CN104639470A (en) * | 2013-11-14 | 2015-05-20 | 中兴通讯股份有限公司 | Flow label encapsulating method and system |
| CN104967610A (en) * | 2015-04-30 | 2015-10-07 | 中国人民解放军国防科学技术大学 | Watermark hopping communication method based on time slot |
| CN105099913A (en) * | 2014-04-21 | 2015-11-25 | 杭州华三通信技术有限公司 | Message forwarding method and device |
| CN105706399A (en) * | 2013-07-08 | 2016-06-22 | 瑞典爱立信有限公司 | Methods of operating load balancing switches and controllers using matching patterns with unrestricted characters |
| CN106027527A (en) * | 2016-05-23 | 2016-10-12 | 华中科技大学 | Anonymous communication method based on software defined network (SDN) environment |
| CN108011865A (en) * | 2017-10-28 | 2018-05-08 | 中国人民解放军信息工程大学 | SDN flow paths method for tracing, apparatus and system based on flowing water print and stochastical sampling |
-
2018
- 2018-03-19 CN CN201810222792.5A patent/CN108600167A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846237A (en) * | 2003-07-28 | 2006-10-11 | Igt公司 | Methods and apparatus for remote gaming |
| US20080235746A1 (en) * | 2007-03-20 | 2008-09-25 | Michael James Peters | Methods and apparatus for content delivery and replacement in a network |
| CN102096785A (en) * | 2011-02-24 | 2011-06-15 | 北京书生国际信息技术有限公司 | Authority control method and device |
| US8438631B1 (en) * | 2013-01-24 | 2013-05-07 | Sideband Networks, Inc. | Security enclave device to extend a virtual secure processing environment to a client device |
| CN105706399A (en) * | 2013-07-08 | 2016-06-22 | 瑞典爱立信有限公司 | Methods of operating load balancing switches and controllers using matching patterns with unrestricted characters |
| CN104639470A (en) * | 2013-11-14 | 2015-05-20 | 中兴通讯股份有限公司 | Flow label encapsulating method and system |
| CN105099913A (en) * | 2014-04-21 | 2015-11-25 | 杭州华三通信技术有限公司 | Message forwarding method and device |
| CN104967610A (en) * | 2015-04-30 | 2015-10-07 | 中国人民解放军国防科学技术大学 | Watermark hopping communication method based on time slot |
| CN106027527A (en) * | 2016-05-23 | 2016-10-12 | 华中科技大学 | Anonymous communication method based on software defined network (SDN) environment |
| CN108011865A (en) * | 2017-10-28 | 2018-05-08 | 中国人民解放军信息工程大学 | SDN flow paths method for tracing, apparatus and system based on flowing water print and stochastical sampling |
Non-Patent Citations (1)
| Title |
|---|
| YOUNGHEE PARK等: "《watermarking for detecting freeloader misbehavior in SDN networks》", 《2016 INTERNATIONAL CONFERENCE ON COMPUTING, NETWORKING AND COMMUNICATIONS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922066A (en) * | 2019-03-11 | 2019-06-21 | 江苏大学 | Dynamic watermark insertion and detection method in a kind of communication network based on time slot feature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hu et al. | A survey on software-defined network and openflow: From concept to implementation | |
| CN103763146B (en) | Soft defined network controller and transmission information generating method of soft defined network controller | |
| CN106656801B (en) | Reorientation method, device and the Business Stream repeater system of the forward-path of Business Stream | |
| CN105406992B (en) | A kind of business demand conversion and dispositions method towards SDN | |
| CN103763207B (en) | Band control connection establishment method and apparatus in software defined network | |
| CN106330727A (en) | Method, device and system for establishing link of SDN (Software Defined Network) device | |
| US20170006082A1 (en) | Software Defined Networking (SDN) Orchestration by Abstraction | |
| CN106789542A (en) | A kind of implementation method of cloud data center security service chain | |
| KR20160003009A (en) | A method and system for updating distributed resilient network interconnect [d r n i] states | |
| CN106487558B (en) | A kind of method and apparatus for realizing the scalable appearance of access device | |
| CN106982149A (en) | Message mirror-image method and network flow monitoring management system based on SDN | |
| CN105723664B (en) | A kind of communication means, device, controller and forwarding surface equipment | |
| CN106254147A (en) | A kind of collocation method for Wi Fi network, internet-of-things terminal and control end | |
| CN106850616B (en) | The method for solving distributed fire wall network consistent updates using SDN technology | |
| CN105337853A (en) | Instance establishing method and apparatus in software defined network (SDN) | |
| CN107566237A (en) | A kind of data message processing method and device | |
| DK1593240T3 (en) | Method and apparatus for rapidly reconfiguring a network topology | |
| CN106688212A (en) | Communication control device, communication control method and communication system | |
| CN108289061A (en) | Business chain method of combination based on SDN and business chain topological structure | |
| CN106713026A (en) | Service chain topological structure, service chain setting method and controller | |
| US20010013105A1 (en) | Method for routing test based on generation of random virtual networks | |
| CN108600167A (en) | A kind of communication device and method of the network watermark based on OpenFlow | |
| CN107645445A (en) | A kind of SDN cross-domain communication method based on dummy node technology | |
| CN106302351A (en) | Collect to access and control the method for list, Apparatus and system | |
| CN104168129B (en) | The network element of software defined network |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |
|
| RJ01 | Rejection of invention patent application after publication |