CN105915419A - Wireless access controller deployment method based on SDN (Software Defined Network) - Google Patents
Wireless access controller deployment method based on SDN (Software Defined Network) Download PDFInfo
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- CN105915419A CN105915419A CN201610407292.XA CN201610407292A CN105915419A CN 105915419 A CN105915419 A CN 105915419A CN 201610407292 A CN201610407292 A CN 201610407292A CN 105915419 A CN105915419 A CN 105915419A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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Abstract
The invention discloses a wireless access controller deployment method based on an SDN (Software Defined Network), and belongs to the technical field of wireless communication networks. The deployment method comprises the following steps that: a plurality of access network domain controllers process flow table establishment or update requests of base stations or access points which are directly connected with the plurality of access network domain controllers; a global controller runs on a cloud platform to construct an event-based publishing and subscribing system, and is connected with the access network domain controllers to construct physically-distributed and logically-centralized wireless access controller deployment architecture; and the access network domain controllers communicate with management applications running on the access network domain controllers through a northbound protocol, and communicate with an underlying data surface through a southbound protocol. Through adoption of the wireless access controller deployment method, the problem of delay in concurrent request processing in centralized control of a conventional single controller is solved; the advantage of a centralized control thought of the SDN is kept; and global optimal scheduling can be performed. The deployment method has very high extensibility and robustness.
Description
Technical field
The invention belongs to cordless communication network technical field, relate to novel heterogeneous wireless network based on SDN, mobile management,
The network architectures etc., are specifically related to the dispositions method of a kind of Radio Access Controller based on software defined network (SDN), application
In heterogeneous radio access networks network.
Background technology
Along with constantly promoting of terminal hardware computing capability and opening gradually of terminal capability, various terminal applies present explosion type
Growth, network traffics also present Exponential growth.But, wireless access network Luoque is still within the state extremely closed, control
Logic processed and data forward and are tightly coupled in the network equipment, and management and upgrading to network need to enter the network equipment and agreement
The configuration of row complexity and operation, create a huge contradiction between Radio Access Network and the business of ubiquitousization of closing.With
This simultaneously, plurality of wireless networks is jointly deployed as user and provides plurality of access modes and select, but, various Radio Access Networks
Between lack efficient cooperation and concordance network resource management and scheduling.Accordingly, it would be desirable between different radio access network
Set up unified network management platform, it is achieved the efficient collaboration, both between isomerization access network and management.
Software defined network (SDN) is heterogeneous wireless network convergence and management provides new method, by by the reason of SDN
Thought is incorporated in Radio Access Network, and control function and the data of the network equipment are forwarded and separated, abstract wireless network resource, structure
Build data surface based on general-purpose platform and the chain of command of centralized management, it is possible to efficiently solve that present Radio Access Network faces asks
Topic, it is achieved the opening of Radio Access Network ability and the unified management of heterogeneous wireless network.
During wireless network deployment based on SDN, relate generally to chain of command separate with data surface function, controller bay
The flow processs such as structure design, chain of command and data surface lectotype selection, wherein, it is particularly important that framework disposed by a kind of efficient controller of design.
Traditional SDN controller architecture is the deployment framework of a kind of complete set Chinese style, unified Centralized Controller be responsible for Treated Base
The stream table configuring request of data surface equipment, but in terms of this controller architecture exists extensibility, processes concurrent request time delay
Bottleneck (the document that sees reference [1]: Yeganeh, S.H., et al.On Scalability of Software-Defined
Networking.Communications Magazine, 2013, IEEE.), main cause has: the control that (1) is single
When device is applied among large scale network, it is difficult to find a suitable deployed position, it is impossible to meet all bottom data faces equipment
And the delay requirement between controller；(2) Single Controller is when processing large-scale data face equipment concurrent request, because of hardware handles
The restriction of ability, possibly cannot meet network demand.Also research worker is had to propose follow-on distributed SDN framework, than
SDN deployment framework Fabric as a kind of in the proposition of Nicira company (document that sees reference [2]: Casado, M., et al.Fabric:
a retrospective on evolving SDN.in Proceedings of the first workshop on Hot topics
In software defined networks.2012.ACM), data surface is divided into by this framework edge forwarding equipment and
Fabric forwarding unit, and be respectively controlled with different controllers, Fabric controller is only responsible to define core data and turns
Send out strategy, and more concrete control strategies formulated by margin control.This controller dispositions method avoids to a certain extent can
Problem in terms of autgmentability and processing delay, but controller does not has the global view of network, reduces the centralized control of SDN
The advantage that system is brought.
Summary of the invention
The Radio Access Controller dispositions method based on SDN that the present invention provides, basic thought based on SDN, by by nothing
Control in line access separates with data forwarding capability.Described Radio Access Controller includes a global controller and multiple
The deployment of access network domain controller, described access network domain controller connects base station or the access of the Radio Access Network data surface of isomery
Point, and be responsible for processing the request that the data surface being directly connected is initiated；Each access network domain controller can be by connecing with other
The mode that networking domain controller communicates indirectly is inquired and manages the data surface base station or access point being joined directly together the most therewith；Institute
Stating global controller and operate on cloud platform, be responsible for setting up issue based on event and ordering system, access network domain controller leads to
Cross this issue and the system mode of ordering system renewal institute control area；Global controller obtains network from access network domain controller
Load information and flow information also build the network view of the whole network, and be regularly handed down to access network domain controller.
Present invention, avoiding the limitation using single access network domain controller that Radio Access Network is controlled, and by every
Individual access network domain controller flows offer local service for each user, can effectively reduce the generation of cross-domain flow rate, reduce process
Time delay, global controller builds and issues the network view of the whole network simultaneously, it is possible to realize load balancing and the whole network resource optimization.
A kind of based on SDN Radio Access Controller dispositions method that the present invention provides, comprises the following steps:
Step 1: multiple access network domain controllers form the bottom control face of the most distributed heterogeneous radio access networks, and
Each access network domain controller is responsible for processing the stream table of the base station being joined directly together therewith or access point and is set up or more newly requested.
Step 2: global controller runs on to be responsible on cloud platform building issue based on event and ordering system, and with each
Access network domain controller is connected and collectively forms the Radio Access Controller deployment framework being physically distributed, concentrating in logic.
Step 3: by specific between global controller and constructed issue thereof and ordering system and bottom access network domain controller
Interface communicate, obtain the load information of each access network domain controller and flow information to build the network view of the whole network.
Step 4: access network domain controller is communicated with the management application operated on access network domain controller by north orientation agreement,
Communicated with the bottom data face being made up of the forwarding unit of base station or access point by south orientation agreement.
Running identical management application on described each access network domain controller, described management application comprises state aware mould
Block, Resource Abstract module and the management application of multiple access network.State aware module is responsible for the nothing that perception is made up of base station or access point
The status information of line access network, Resource Abstract module is responsible for heterogeneous wireless network Resource Abstract virtual for ease of be managed collectively
The abstract heterogeneous wireless resource information of resource format, the management application on access network domain controller can obtain nothing by north orientation agreement
The status information of line access network and abstract heterogeneous wireless resource information, and formulate control strategy.
The status information of described Radio Access Network comprises load information, customer position information and flow information, and access network domain controls
Device comprises in load balancing, Mobility Management Strategy, Energy Saving Strategy according to the control strategy that these status informations are formulated, QoS
At least one in guarantee strategies, heterogeneous network resource allocation policy.
Issue and ordering system that multiple access network domain controllers are built by global controller communicate, and optionally issue
The critical event of institute's control area system mode can be changed, make the state of each access network domain controller realize updating, each
Access network domain controller all has the network view of the whole network.
Each access network domain controller the most directly controls base station that is adjacent and that be joined directly together or access point, and can be by issuing
Indirectly inquire and manage other base stations or access point with ordering system, access network domain controller failure once occurs, affected
Base station or access point can carry out reconfiguring by specific interface thus set up even with adjacent active access network domain controller
Connect.
In described step 2, global controller builds the method issued with ordering system and is:
Step 21: global controller by the most issued control instruction permanent storage in the data center being positioned in cloud platform,
And the control instruction issuing same access network domain controller is ranked up and classifies storage, therefore has and splits network
Ability with fault recovery.
Step 22: this issue and ordering system are controlled the transmission of instruction by three channels: application message channel, shape
State message channel, controller dedicated channel.All global controller and access network domain controller can be sent out to described three channels
Cloth event message receives subscription event message and control message, the control of each access network domain with control message and from above three channel
The event message of the general local network being joined directly together therewith and application is published to application message channel by device；Each access network domain
Controller has respective controller dedicated channel, and event message and control news release for certain specific controller are accordingly
Controller dedicated channel；Disappear additionally, the status information of oneself periodically must be published on state by each access network domain controller
Breath channel is to ensure detection and the identification of fault of the new access network domain controller accessed.
Step 23: the Access Control of access network domain controller and fault detect and the issue described in place's reason and ordering system have come
Become.If there is new access network domain controller to access or currently some access network domain controller breaks down, overall situation control
Device processed can detect this event message at controller dedicated channel, notifies all access network domain controllers, and by specific interface
The base station controlled by the access network domain controller broken down or access point turn and are managed by adjacent access network domain controller.
In described step 3, global controller builds the network view of the overall situation according to the status information that access network domain controller is uploaded,
And formulate load balancing and resource optimization strategy based on this, issue described load balancing and resource optimization strategy to access network domain control
Device processed；Described access network domain controller according to global controller issue described in load balancing and resource optimization strategy to being controlled
Base station or the business of access point be adjusted, described adjustment comprises the one in operation below: creates, delete, inquire about, repair
Change.
The advantage of a kind of Radio Access Controller dispositions method based on SDN of the present invention is:
(1) present invention employs the two-layer controller architecture being physically distributed, concentrating in logic.Both traditional single control had been overcome
The delay problem processing concurrent request that device centralized Control exists, also remains the advantage that the central controlled thought of SDN is brought,
This controller dispositions method can carry out the Optimized Operation of the overall situation；
(2) global controller in the present invention is responsible for building and safeguarding issue based on event and ordering system, and builds the whole network
Network view is issued to bottom access network domain controller.This dispositions method has good extensibility and vigorousness, new when having
When access network domain controller access network or certain access network domain controller break down, other controllers by subscribing to and can be issued
System detects status information, and carries out state renewal；
(3) in the present invention issue constructed by global controller and ordering system use application message channel, status message channel,
The specific channel of controller dedicated channel these three transmits different event messages, it is ensured that global controller and access network domain control
The device processed the most real-time monitoring to system mode, makes whole wireless access network system have the highest reliability；
(4) the access network domain controller in the present invention has network state sensing module and heterogeneous resource abstract module, and runs many
Plant management should be used for realizing network control.Network state sensing module can the real-time status of the multi-link WLAN of perception
And it being published to global controller, heterogeneous wireless Resource Abstract is become the virtual resource of consolidation form by heterogeneous resource abstract module, because of
This access network domain controller is capable of the unified management to heterogeneous wireless network.
Accompanying drawing explanation
Fig. 1 is that present invention radio access network controller based on SDN disposes configuration diagram；
Fig. 2 is data surface equipment stream table configuration flow figure in the present invention；
Detailed description of the invention
The present invention provides a kind of Radio Access Controller dispositions method based on SDN.This dispositions method basic think of based on SDN
Thinking, by the control in wireless access network being separated with data forwarding capability, described Radio Access Controller includes an overall situation
Controller and multiple access network domain controller.Described global controller runs on cloud platform, is responsible for setting up based on event sending out
Cloth and ordering system, access network domain controller updates the system mode of institute control area by this issue and ordering system；Overall situation control
Device processed obtains the load information of network and flow information from access network domain controller and builds the network view of the whole network, and regularly under
Issue access network domain controller.
Present invention, avoiding the limitation using single access network controller that network is controlled, and by each access network domain
Controller flows offer local service for each user, can effectively reduce the generation of cross-domain flow rate, reduce processing delay, simultaneously
Global controller builds and issues the network view of the whole network, it is possible to realize load balancing and the whole network resource optimization.
A kind of based on SDN Radio Access Controller dispositions method that the present invention provides, point following steps:
Step 1: multiple access network domain controllers form the bottom control face of the most distributed heterogeneous radio access networks, and
Each access network domain controller is responsible for processing the stream table of the base station being joined directly together therewith or access point and is set up or more newly requested；
Described access network domain controller as the bottom control face of whole deployment framework, the base station being attached thereto or access point as negative
The bottom data face that duty data forward；
Step 2: global controller runs on cloud platform, is responsible for building issue based on event and ordering system, and with often
Individual access network domain controller is connected and collectively forms the Radio Access Controller deployment framework being physically distributed, concentrating in logic；
Step 3: by specific between global controller and constructed issue thereof and ordering system and bottom access network domain controller
Interface communicate, load information and the flow information etc. that obtain each access network domain controller build the network view of the whole network；
Step 4: access network domain controller is communicated with the management application run on above it by north orientation agreement, passes through south orientation
Agreement communicates with bottom data face；
In described step 1, each access network domain controller runs identical management application, comprises state aware module, resource
Abstract module and the management application of multiple access network.State aware module is responsible for the status information of perception bottom isomerization access network,
Resource Abstract module is responsible for applying heterogeneous wireless network Resource Abstract for ease of the virtual resource form being managed collectively, tension management
The status information of Radio Access Network and abstract heterogeneous wireless resource information can be obtained by north orientation agreement, and formulate control strategy；
Described status information comprises load information, customer position information, flow information, and access network domain controller is according to these states
The control strategy that information is formulated comprises in load balancing, Mobility Management Strategy, Energy Saving Strategy, QoS guarantee strategies, different
At least one in network forming network resource allocation policy；
In described step 1, issue and ordering system that multiple access network domain controllers are built by global controller communicate,
And optionally issue the critical event that can change system mode, make the state of each access network domain controller realize updating,
Each access network domain controller has the network view of the whole network；
In described step 1, each access network domain controller the most directly controls base station that is adjacent and that be joined directly together or access point,
And can indirectly inquire and manage other base stations or access point by issuing with ordering system, controller failure once occurs, is subject to
The base station of impact or access point can carry out reconfiguring by specific interface thus build with adjacent active access network domain controller
Vertical connection；
In described step 2, global controller builds the method issued with ordering system and is:
Step 21: by the most issued control instruction permanent storage in the data center being positioned on Cloud Server, and to same
The instruction that one controller is issued is ranked up and classifies storage, therefore has and splits network and the ability of fault recovery；
Step 22: this issue and ordering system are controlled the transmission of message by three channels: application message channel, shape
State message channel, controller dedicated channel.All controllers can give out information to described three channels and believe from above three
Road receives subscribes to message, and each access network domain controller is by the general local network being joined directly together therewith and the event message of application
It is published to application message channel；Each controller has respective controller dedicated channel, for the event of certain specific controller
Message and control news release are at corresponding controllers dedicated channel；Additionally, each access network domain controller must be periodically by certainly
Oneself status information is published on detection and the identification of fault controlling channel to ensure the new domain controller accessed；
Step 23: the Access Control of access network domain controller and fault detect and place's reason issue and ordering system completes.If
There is an event message, access such as new access network domain controller or some access network domain controller breaks down, this
Cloth and ordering system in control Channel Detection to this event message, and can notify all access network domain controllers, and connect by specific
The base station that controlled by the access network domain controller broken down of mouth or access point turn is managed by adjacent access network domain controller
Reason；
In described step 3, global controller builds full-mesh network view according to the status information that access network domain controller is uploaded, and
Formulate load balancing and resource optimization strategy based on this, issue the network view of the whole network and described load balancing and resource optimization plan
Slightly arrive access network domain controller；The network view of the whole network that described access network domain controller issues according to global controller and described
The business of base station to being controlled of load balancing and resource optimization strategy or access point is adjusted, and described adjustment comprises operation below
In one: create, delete, inquire about, revise.
It it is below the specific embodiment of the present invention.
Fig. 1 is that present invention radio access network controller based on SDN disposes framework, have employed the access of the formula of being physically distributed
Net domain controller collectively constitutes the framework of logical centralization with the global controller being positioned at cloud platform, and each access network domain controller is responsible for
Manage the heterogeneous wireless network base station or access point being joined directly together therewith.
From the point of view of Fen Ceng, this framework is divided into three layers, and all of underlay base stations eNodeB or access point WIFi constitute bottom data face,
All of access network domain controller composition bottom control face, is positioned at the global controller on cloud platform and data center as decision-making
Face, is responsible for building and issues and ordering system, issue network view and the control instruction of the whole network to access network domain controller.Bottom control
Face processed obtains the status information of bottom isomerization access network by state aware module, by Resource Abstract module by heterogeneous wireless
Resource Abstract is unified virtual resource, and the two passes through south orientation protocol communication；Chain of command management application (App) is obtained by north orientation agreement
Take status information and Internet resources are managed scheduling.Meanwhile, all of access network domain controller passes through global controller structure
The issue based on event built and ordering system are controlled transmission and the synchronization of network level control ability of message.
Fig. 2 is data surface equipment stream table configuration flow figure.When user data package arrives data surface base station or access point, it can be looked into
Asking and whether there is the stream table information needed for this data stream, if existing, forwarding according to this stream table, if not existing, base station or connect
Access point can send stream table configuring request by south orientation agreement to access network domain controller, and access network domain controller is inquired about after receiving request
Destination address whether up to, if this address up to; issue stream table configuration response to base station or access point, if unreachable, refusal should
Configuring request.
Claims (6)
1. a Radio Access Controller dispositions method based on SDN, it is characterised in that: described Radio Access Controller includes one
Individual global controller and the deployment of multiple access network domain controller, described dispositions method, comprise the following steps:
Step 1: multiple access network domain controllers form the bottom control face of the most distributed heterogeneous radio access networks, and
Each access network domain controller is responsible for processing the stream table of the base station being joined directly together therewith or access point and is set up or more newly requested；
Step 2: global controller runs on to be responsible on cloud platform building issue based on event and ordering system, and with each
Access network domain controller is connected and collectively forms the Radio Access Controller deployment framework being physically distributed, concentrating in logic；
Step 3: by specific between global controller and constructed issue thereof and ordering system and bottom access network domain controller
Interface communicate, obtain the load information of each access network domain controller and flow information to build the network view of the whole network；
Step 4: access network domain controller is communicated with the management application operated on access network domain controller by north orientation agreement,
Communicated with the bottom data face being made up of the forwarding unit of base station or access point by south orientation agreement.
A kind of Radio Access Controller dispositions method based on SDN the most according to claim 1, it is characterised in that: described
Running identical management application on each access network domain controller, described management application comprises state aware module, resource is taken out
As module and multiple access network manage application；State aware module is responsible for the Radio Access Network that perception is made up of base station or access point
Status information, Resource Abstract module is responsible for heterogeneous wireless network Resource Abstract for ease of the virtual resource form of unified management
Abstract heterogeneous wireless resource information, the management application on access network domain controller obtains the shape of Radio Access Network by north orientation agreement
State information and abstract heterogeneous wireless resource information, and formulate control strategy.
A kind of Radio Access Controller dispositions method based on SDN the most according to claim 2, it is characterised in that: described
The status information of Radio Access Network comprises load information, customer position information and flow information, and access network domain controller is according to this
The control strategy that a little status informations are formulated comprises in load balancing, Mobility Management Strategy, Energy Saving Strategy, QoS ensures plan
Slightly, at least one in heterogeneous network resource allocation policy.
A kind of Radio Access Controller dispositions method based on SDN the most according to claim 1, it is characterised in that: described
Each access network domain controller the most directly controls base station that is adjacent and that be joined directly together or access point, and by issuing and can order
Other base stations or access point are inquired and managed to system of readding indirectly, access network domain controller failure, affected base station once occurs
Or access point carries out reconfiguring by specific interface thus sets up with adjacent active access network domain controller and connect.
A kind of Radio Access Controller dispositions method based on SDN the most according to claim 1, it is characterised in that: described
Global controller builds the method issued with ordering system:
Step 21: global controller by the most issued control instruction permanent storage in the data center being positioned in cloud platform,
And the control instruction issuing same access network domain controller is ranked up and classifies storage；
Step 22: the event message of the local network being joined directly together therewith and application is published to by each access network domain controller should
Use message channel；Each access network domain controller has respective controller dedicated channel, for the event of certain specific controller
Message and control news release are at corresponding controllers dedicated channel；Additionally, each access network domain controller must be periodically by certainly
Oneself status information is published on status message channel to ensure detection and the identification of fault of the new access network domain controller accessed；
Step 23: access or currently some access network domain controller generation event if there is a new access network domain controller
Barrier, global controller can detect this event message at controller dedicated channel, notifies all access network domain controllers and by spy
Base station or access point that the access network domain controller broken down is controlled by fixed interface turn to be entered by adjacent access network domain controller
Line pipe is managed.
6. a Radio Access Controller based on SDN disposes framework, it is characterised in that: have employed the access network of the formula of being physically distributed
Domain controller collectively constitutes the framework of logical centralization with the global controller being positioned at cloud platform, and pipe is responsible for by each access network domain controller
Manage the heterogeneous wireless network base station or access point being joined directly together therewith；
All of underlay base stations or access point constitute bottom data face, all of access network domain controller composition bottom control face, position
Global controller on cloud platform and data center as decision surface, be responsible for building issue and ordering system, to access network domain
Controller issues network view and the control instruction of the whole network；Bottom control face obtains bottom heterogeneous access by state aware module
The status information of network, is unified virtual resource by Resource Abstract module by heterogeneous wireless Resource Abstract, and the two passes through south orientation
Protocol communication；Chain of command management application obtains status information by north orientation agreement and Internet resources is managed scheduling；Meanwhile,
Issue based on event that all of access network domain controller is built by global controller and ordering system are controlled the biography of message
The defeated synchronization with network level control ability.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790617A (en) * | 2016-12-30 | 2017-05-31 | 北京邮电大学 | Collaborative content cache control system and method |
| CN106851738A (en) * | 2017-01-25 | 2017-06-13 | 南京邮电大学 | Towards the software definition wireless network architecture and method of the small base station super-intensive networkings of LTE |
| CN106911769A (en) * | 2017-02-09 | 2017-06-30 | 腾讯科技（深圳）有限公司 | The processing method of cloud platform route data and the physical server of cloud platform |
| CN107094111A (en) * | 2017-05-17 | 2017-08-25 | 天津大学 | Label transmission method in the deployment of software defined network controller |
| CN107888499A (en) * | 2017-11-17 | 2018-04-06 | 北京邮电大学 | A kind of distribution subscription system and message forwarding method based on SDN |
| CN109150727A (en) * | 2018-08-13 | 2019-01-04 | 常熟理工学院 | A kind of next generation network implementation method based on software definition |
| CN109412850A (en) * | 2018-10-25 | 2019-03-01 | 新华三技术有限公司合肥分公司 | Message subscribing control method and device |
| CN110166448A (en) * | 2019-05-16 | 2019-08-23 | 西安电子科技大学 | Heterogeneous protocol for isomery controller cluster converts middleware and method |
| CN111131367A (en) * | 2018-11-01 | 2020-05-08 | 大唐移动通信设备有限公司 | Distributed access service processing method and device |
| CN111355658A (en) * | 2020-02-28 | 2020-06-30 | 电子科技大学 | SDN cross-domain cooperation method based on distributed service framework |
| CN111669427A (en) * | 2020-04-20 | 2020-09-15 | 北京邮电大学 | Software defined network publishing and subscribing system and method |
| CN111970701A (en) * | 2019-05-20 | 2020-11-20 | 南京红阵网络安全技术研究院有限公司 | Endogenous safety centralized WLAN control system and method |
| CN112073991A (en) * | 2019-06-10 | 2020-12-11 | 中国移动通信有限公司研究院 | Service processing method and device of access network |
| CN113839813A (en) * | 2021-09-14 | 2021-12-24 | 中国电信股份有限公司 | Equipment control strategy model training and equipment control method, medium and equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955069A (en) * | 2015-07-28 | 2015-09-30 | 北京邮电大学 | SDN-based different channel deployment WLAN system and seamless switching method thereof |
-
2016
- 2016-06-12 CN CN201610407292.XA patent/CN105915419A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955069A (en) * | 2015-07-28 | 2015-09-30 | 北京邮电大学 | SDN-based different channel deployment WLAN system and seamless switching method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘娟: "SDN中基于可靠优化的控制器放置策略研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 张振海: "异构开放无线网络无缝切换技术研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 李阳春: "基于SDN的异构无线网络流量分载技术研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790617B (en) * | 2016-12-30 | 2019-07-16 | 北京邮电大学 | Collaborative content cache control system and method |
| CN106790617A (en) * | 2016-12-30 | 2017-05-31 | 北京邮电大学 | Collaborative content cache control system and method |
| CN106851738A (en) * | 2017-01-25 | 2017-06-13 | 南京邮电大学 | Towards the software definition wireless network architecture and method of the small base station super-intensive networkings of LTE |
| CN106911769A (en) * | 2017-02-09 | 2017-06-30 | 腾讯科技（深圳）有限公司 | The processing method of cloud platform route data and the physical server of cloud platform |
| CN107094111A (en) * | 2017-05-17 | 2017-08-25 | 天津大学 | Label transmission method in the deployment of software defined network controller |
| CN107094111B (en) * | 2017-05-17 | 2020-08-18 | 天津大学 | Label transfer method in software defined network controller deployment |
| CN107888499A (en) * | 2017-11-17 | 2018-04-06 | 北京邮电大学 | A kind of distribution subscription system and message forwarding method based on SDN |
| CN109150727A (en) * | 2018-08-13 | 2019-01-04 | 常熟理工学院 | A kind of next generation network implementation method based on software definition |
| CN109150727B (en) * | 2018-08-13 | 2020-10-30 | 常熟理工学院 | Software definition-based next generation network implementation method |
| CN109412850A (en) * | 2018-10-25 | 2019-03-01 | 新华三技术有限公司合肥分公司 | Message subscribing control method and device |
| CN109412850B (en) * | 2018-10-25 | 2022-02-11 | 新华三技术有限公司合肥分公司 | Message subscription control method and device |
| CN111131367A (en) * | 2018-11-01 | 2020-05-08 | 大唐移动通信设备有限公司 | Distributed access service processing method and device |
| CN111131367B (en) * | 2018-11-01 | 2021-03-16 | 大唐移动通信设备有限公司 | Distributed access service processing method and device |
| CN110166448A (en) * | 2019-05-16 | 2019-08-23 | 西安电子科技大学 | Heterogeneous protocol for isomery controller cluster converts middleware and method |
| CN111970701A (en) * | 2019-05-20 | 2020-11-20 | 南京红阵网络安全技术研究院有限公司 | Endogenous safety centralized WLAN control system and method |
| CN111970701B (en) * | 2019-05-20 | 2024-04-09 | 南京红阵网络安全技术研究院有限公司 | Endogenous safety centralized WLAN control system and method |
| CN112073991A (en) * | 2019-06-10 | 2020-12-11 | 中国移动通信有限公司研究院 | Service processing method and device of access network |
| CN112073991B (en) * | 2019-06-10 | 2022-05-06 | 中国移动通信有限公司研究院 | Service processing method and device of access network |
| CN111355658B (en) * | 2020-02-28 | 2021-07-13 | 电子科技大学 | SDN cross-domain cooperation method based on distributed service framework |
| CN111355658A (en) * | 2020-02-28 | 2020-06-30 | 电子科技大学 | SDN cross-domain cooperation method based on distributed service framework |
| CN111669427A (en) * | 2020-04-20 | 2020-09-15 | 北京邮电大学 | Software defined network publishing and subscribing system and method |
| CN111669427B (en) * | 2020-04-20 | 2022-06-07 | 北京邮电大学 | Software defined network publishing and subscribing system and method |
| US11729133B2 (en) | 2020-04-20 | 2023-08-15 | Beijing University Of Posts And Telecommunications | Software defined network publish-subscribe system and method |
| CN113839813A (en) * | 2021-09-14 | 2021-12-24 | 中国电信股份有限公司 | Equipment control strategy model training and equipment control method, medium and equipment |
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