CN105245376B - Residential quarters network control system based on SDN - Google Patents
Residential quarters network control system based on SDN Download PDFInfo
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- CN105245376B CN105245376B CN201510663842.XA CN201510663842A CN105245376B CN 105245376 B CN105245376 B CN 105245376B CN 201510663842 A CN201510663842 A CN 201510663842A CN 105245376 B CN105245376 B CN 105245376B
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Abstract
The invention discloses a kind of residential quarters network control system based on SDN, specifically includes：Home network service terminal receives the instruction of SDN controller for replacing existing router in family；Cell interchanger receives the instruction of the SDN controller, directly provides QoS for different home network service terminals and ensures；Virtualized server is used for the domestic consumer into cell and provides virtualization PC desktop services, which receives the instruction of the SDN controller, provides QoS for different virtualization desktop connections and ensures；SDN controller, it is whole and subzone network control centre, flow table dynamically is issued to home network service terminal, cell interchanger and virtualized server according to the present situation of subzone network, is from top to down each network connection distribution network bandwidth resources of user, and QoS guarantee is provided.It is embodied as the advantages of user provides fine QoS administrative mechanism.
Description
Technical field
The present invention relates to computer network networking and control fields, and in particular, to a kind of residential quarters net based on SDN
Network control system.
Background technique
Software defined network（Software Defined Network, SDN）, it is the research by Stanford Univ USA
A kind of new network of Emulex network innovation framework that personnel propose, network equipment control plane can be separated with data surface, thus real
Show the flexible control of network flow, provides good platform for the innovation of core network and application.In recent years, the think of of SDN
Want to have had been applied in a variety of different application scenarios, helps people more flexible, more easily control network.
Currently, the network deployment scheme of residential quarters is mostly traditional mechanism, certain band is provided a user by telecom operators
Wide network line, the pass-through mode of the route, QoS guarantee etc. are usually all fixed in interchanger and router, no
Different business and access scenario dynamically adapting can be directed to.It cannot be total in the bandwidth in access ebb, cell between different user
It enjoys, on access peak, the Ethernet outlet of offer is competed in cell between different user again, so that bandwidth resources utilize effect
Rate is relatively low.Meanwhile traditional QoS service be based on port, or perhaps based on business, different user or user group
Identical services data packet is put on an equal footing, and finer QoS can not be provided for user.
Summary of the invention
It is an object of the present invention in view of the above-mentioned problems, propose a kind of residential quarters network control system based on SDN,
To be embodied as the advantages of user provides fine QoS administrative mechanism.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of residential quarters network control system based on SDN, including home network service terminal, cell interchanger, void
Quasi-ization server and SDN controller,
The home network service terminal, for replacing existing router in family, it includes two WAN mouthfuls, one
For connecting existing broadband network in family, for connecting virtualized server, which is connect for another
The instruction of the SDN controller is received, is the network connection bandwidth allocation resource of household internal, QoS guarantee is provided；
The cell interchanger receives the instruction of the SDN controller, directly mentions for different home network service terminals
It is ensured for QoS；
The virtualized server, for domestic consumer's offer virtualization PC desktop services into cell, virtualization clothes
Business device receives the instruction of the SDN controller, provides QoS for different virtualization desktop connections and ensures；
The SDN controller is the control centre of entire subzone network, according to the present situation of subzone network dynamically to
Home network service terminal, cell interchanger and virtualized server issue flow table, are from top to down each net of user
Network connection distribution network bandwidth resources, and QoS guarantee is provided.
It preferably, further include building interchanger, the building interchanger is whole for connecting different home network services
End, the building interchanger receive the instruction of the SDN controller, provide different QoS for different home network service terminals
It ensures.
It preferably, further include user group interchanger, the user with same alike result is connected to by the user group interchanger
Together, identical QoS service is provided for them, which receives the instruction of the SDN controller, is different families
Front yard network service terminal provides different QoS and ensures.
Preferably, the SDN controller dynamically issues stream to building interchanger according to the present situation of subzone network
Table.
Preferably, the SDN controller dynamically issues stream to user group interchanger according to the present situation of subzone network
Table.
Preferably, the home network service terminal, building interchanger, cell interchanger and virtualized server are supported
OpenFlow agreement.
Preferably, the home network service terminal, user group interchanger, cell interchanger and virtualized server prop up
Hold OpenFlow agreement.
Preferably, each virtualized server, can fictionalize multiple fictitious host computers, and different fictitious host computers has not
Same IP address, different home network service terminals accesses specified fictitious host computer by IP address, in order to provide desktop
Virtualization services, the virtualized server install Open vSwitch, and OpenvSwitch supports OpenFlow agreement.
Technical solution of the present invention has the advantages that：
Thought of the technical solution of the present invention based on software defined network provides a kind of from upper for the user in residential quarters
Globalization under and, hierarchical network QoS are ensured, can be finely controlled each road network connection of user.Meanwhile the present invention
Disclosed scheme is smoothly integrated user's original network deployment while can providing virtualization desktop service for user.
It realizes from subscriber household router, building interchanger, user group interchanger to cell interchanger（OLT）Linkage control
System, meanwhile, virtualization PC desktop services special circuit is added, uses one " brain "（SDN controller）It realizes in residential quarters
The global control of each network equipment realizes distribution and the tune of resource using the qos policy of stratification in network global scope
Degree, fine QoS administrative mechanism is provided for user, is truly realized " distribution according to need guarantees quality ".
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the network topological diagram of the residential quarters network control system based on SDN described in the embodiment of the present invention；
Fig. 2 is the functional block diagram of home network service terminal；
Fig. 3 is the functional structure chart of network connecting module in home network service terminal；
Fig. 4 is the flow table example of OpenFlow interchanger；
Fig. 5 is process flow diagram of the data packet in interchanger.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1, a kind of residential quarters network control system based on SDN, including home network service terminal, Lou Dong
Interchanger, cell interchanger（OLT）, virtualized server and SDN controller.1,2,3 ... n in Fig. 1, which indicate different, to be made
Use terminal.
Home network service terminal can be used for replacing existing router in family, and it includes two WAN mouthfuls, one is used for
Existing broadband network in family is connected, another is for connecting virtualized server.Home network service terminal is supported
OpenFlow agreement receives the instruction of the SDN controller, is the network connection bandwidth allocation resource of household internal, provides QoS
It ensures.
Building interchanger is optional equipment, may not be needed building interchanger in the lesser cell of scale, but directly
The function of building interchanger is completed by cell interchanger.Building interchanger is mainly used for connecting different home network service ends
End.Building interchanger supports OpenFlow agreement, receives the instruction of the SDN controller, whole for different home network services
End provides different QoS and ensures.Further, consider if not from the position where user, but according to the attribute of user
Consider, building interchanger can be transform as to user group interchanger.User group, which refers to, to be made of the user with same alike result
One group, for example, the user for having customized identical tariff package belongs to the same user group.
Cell interchanger is the equipment in residential quarters near backbone network, and outlet is directly connected to the local side of operator
Equipment.Under the fiber optic network environment of current mainstream, according to the scale of cell, cell interchanger is either general network is handed over
It changes planes, can also be optical line terminal（Optical Line Terminal, OLT）.Cell interchanger supports OpenFlow association
View receives the instruction of SDN controller, provides different QoS for different building interchangers and ensures, building interchanger is being not present
In the case where, then QoS directly is provided for different home network service terminals ensure.
Virtualized server is used for the domestic consumer into cell and provides virtualization desktop service, and virtualized server connection is special
The network line of door.Home network service terminal cooperates its work, and the virtual desktop connection request that user is issued is special by this
It is transmitted with network line.Virtualized server installs Open vSwitch, supports OpenFlow agreement, receives the SDN control
The instruction of device provides QoS for different virtualization desktop connections and ensures.
SDN controller is the control centre of entire subzone network, according to the present situation of subzone network dynamically to family
Front yard network service terminal, building interchanger, cell interchanger and virtualized server issue flow table, from top to down for user's
Each network connection distribution network bandwidth resources, and QoS guarantee is provided.
One family network service terminal is provided for each domestic consumer, which at least should include function shown in Fig. 2
It can module.In the present invention, network deployment and control section are only focused on, so terminal to be simply abstracted as to a network equipment
Link block and a virtualization desktop service module.Wherein, virtualization desktop service module is for providing a user virtualization
Desktop services, the interaction etc. of display and user including virtual desktop.Network equipment link block is used to take for virtualization desktop
Module of being engaged in provides network connection and supports.In scheme disclosed in this invention, since virtual desktop serve terminal is user terminal
Unique Device, so, the network equipment link block of virtual desktop serve terminal provides cable network simultaneously and wireless network connects
Enter function, meanwhile, in order to complete smooth transition, make user that can continue to use original after having accessed virtualization PC desktop services
Some network connections, network equipment link block configure two WAN mouthfuls, and one of WAN mouthfuls is used for the original fortune of accessing user
Quotient broadband is sought, another WAN mouthfuls for connecting virtualized server.
Multi-channel network connection, such as different web page browsing connections, downloading may be present in one virtual desktop serve terminal
Connection, mail connection and virtualization desktop service connection etc..Meanwhile these connections can be again and be created by different equipment
, such as mobile phone, plate and the virtualization desktop service module.Obviously, these network connections can both pass through access in radio
Mode, and wireless access way can be passed through.All connections are all forwarded to by the network equipment link block corresponding
Network egress.The function of the network equipment link block also provides other than forwarding network packet for each network connection
QoS is ensured.
In scheme disclosed in this invention, network equipment link block support OpenFlow agreement, forward rule by
SDN controller uniformly issues.The structural topology of network equipment link block is as shown in Figure 3.By data plane inside it, forwarding is flat
Face and control plane composition, and management interface is externally provided.Wherein, control plane refers to OpenFlow Controller, with
The instruction of SDN controller interactive controlling sends local state to SDN controller, and receives the flow table that SDN controller issues；Forwarding
Plane is the forwarding port of router/switch, is divided into lan port and WAN port, is expressed as LAN mouthfuls and WAN
Mouthful, in the disclosed scheme, network equipment link block has N (N is greater than 1 positive integer) LAN mouthfuls and two WAN a
Mouthful；Data plane is the core of network equipment link block, is received according to the content decision in flow table to from input port
The operation of the data arrived, these operations mainly have:It is forwarded from designated port, into queue, modifies field and discarding.Data plane
In flow table be some regularization terms set, define it is some rule and corresponding operations.One typical flow table structure such as Fig. 4
It is shown, including matching domain, action-item and counter, matching domain are to carry out the matched field of header information with the message received,
For example port numbers and IP address etc., action-item are to complete corresponding operation after matching, for example directly forward, and join the team and abandon,
Counter completes a certain matched number for recording.After a data packet enters data plane, network process module can be by
Data packet is handled according to process shown in fig. 5, that is, the header information of data packet is matched item by item with flow table, once matching,
Operation then is recorded according to the action-item in flow table, and updates the corresponding counter of this record.
Building interchanger is the switch device for supporting OpenFlow agreement, the building interchanger in the lesser network of scale
It is optional equipment, its function directly can be completed by cell interchanger.Building interchanger can connect multiple virtual tables in building
Face service terminal, and the data packet of virtual desktop serve terminal is forwarded to affiliated subdistrict interchanger by suitable port.Building
Interchanger provides QoS for all virtual desktop serve terminals for being connected thereto and ensures that forwarding strategy and qos policy pass through institute
Belong to SDN controller uniformly to issue.
Cell interchanger supports OpenFlow agreement,
Virtualized server provides virtualization PC desktop services, and more virtual masters can be fictionalized in a virtualized server
Machine, each fictitious host computer are correspondingly connected with a virtualization desktop service terminal.Open is installed in virtualized server
VSwitch supports OpenFlow agreement, receives the instruction of the SDN controller, provide QoS for different virtualized hosts
It ensures.
SDN controller is the control core of whole network, and the rule defined according to administrator in conjunction with user property and is worked as
Dynamically into network, each equipment for supporting OpenFlow issues flow table to the traffic conditions of preceding network.Specifically：1）Its to
The virtual desktop serve terminal issues flow table and provides QoS guarantee for each different network connection in family；2）Its to institute
It states building interchanger and issues flow table to be connected to each different virtualization desktop service terminal of specified building interchanger and providing
QoS is ensured；3）It is to be connected to each cell interchanger of designated area interchanger to mention that it, which issues flow table to the cell interchanger,
It is ensured for QoS；4）Its Open vSwitch into the virtualized server issues flow table, in specified virtualized server
Each fictitious host computer provide QoS ensure.
Residential quarters network control system based on SDN, is mainly used in and provides desktop virtualization service for residential quarters
Network support.It is made of ustomer premises access equipment and network side equipment two parts.
Ustomer premises access equipment is home network service terminal, can be abstracted into a desktop virtualization service module and network
Equipment link block.Wherein, network equipment link block provides wired and wireless two kinds of access ways, various in subscriber household
The equipment for needing to network can access Internet service by belonging network equipment link block.
In order to integrate the existing network insertion scheme of user, network equipment link block has there are two WAN mouthfuls, one of them
The WAN mouthfuls of operator broadbands left for accessing user, another WAN mouthfuls is used to connect virtualized server, to provide desktop
Virtualization services.
Network side equipment has building interchanger, cell interchanger, virtualized server and SDN controller.Building interchanger
（User group）Connect different home network service terminals.Cell interchanger connects different building interchangers, in network size
It is smaller to be, building interchanger can not be used, and different home network service terminals is directly connected to by cell interchanger.Virtually
Change server and create multiple fictitious host computers, virtualization desktop service terminal is connected to fictitious host computer and completes corresponding operation.SDN control
Device processed controls all virtualization services terminal, interchanger and virtualized server, issues flow table to them.
Building interchanger can be user group interchanger, and the user with certain same alike results is connected together, is
They provide identical QoS service.For example, the user for having subscribed same services set meal is mentioned by unified user group interchanger
It is ensured for unified QoS.Building interchanger（User group interchanger）It supports OpenFlow agreement, receives from SDN controller
Instruction provides QoS for different home network service terminals and ensures.
Cell interchanger supports OpenFlow agreement, receives the instruction from SDN controller, hands over for different user groups
It changes planes and QoS guarantee is provided.In the case where no user group interchanger, directly provided for different home network service terminals
QoS is ensured.
Virtualized server, each virtualized server can fictionalize multiple fictitious host computers, and different fictitious host computers has
Different IP address, different virtualization desktop service terminals access specified fictitious host computer by IP address, in order to provide
Desktop virtualization service.The virtualized server installs Open vSwitch, and OpenvSwitch supports OpenFlow agreement,
It receives the instruction from the SDN controller, provides QoS for different fictitious host computers and ensures.
SDN controller is the control centre of whole network, and the strategy specified according to administrator by program is to home network
Network service terminal, user group interchanger, cell interchanger and virtualized server issue flow table, control their forwarded row
For.
In conclusion the invention has the characteristics that：
1, scheme disclosed in this invention can provide the fining QoS service of layering for user.General QoS is to be directed to
Port, it can only guarantee to provide different network service qualities for the different grades of service, but different users can not be mentioned
For different quality of service guarantee.As can be seen that scheme disclosed in this patent uses the scheduling model of stratification, it both can be
User terminal provides different QoS for different business and ensures, meanwhile, it can be different users（Pass through the QoS of fictitious host computer）
The QoS for providing fining is ensured, it might even be possible to by user grouping, pass through user group（Building interchanger）Interchanger is different use
Family group provides different QoS and ensures.
2, the present invention is based on the thoughts of SDN, by router（Interchanger）In forwarding surface and control plane separation, can be used
Program dynamic adjustment forwarding strategy.It is that user (user group) provides better service in different application scenarios.
3, more stable desktop virtualization service, while unitized management user are provided for user by the QoS of fining
Original bandwidth resources.The present invention is illustrated for servicing towards desktop virtualization, but desktop can be used in its principle
In other dedicated networks service outside virtualization services, such as game and multimedia etc..
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of residential quarters network control system based on SDN, which is characterized in that including home network service terminal, cell
Interchanger, virtualized server and SDN controller,
The home network service terminal, for replacing existing router in family, it includes two WAN mouthfuls, one is used for
Existing broadband network in family is connected, for connecting virtualized server, which receives institute for another
The instruction of SDN controller is stated, is the network connection bandwidth allocation resource of household internal, QoS guarantee is provided；
The cell interchanger receives the instruction of the SDN controller, directly provides for different home network service terminals
QoS is ensured；
The virtualized server, for domestic consumer's offer virtualization PC desktop services, the virtualized server into cell
The instruction of the SDN controller is received, QoS is provided for different virtualization desktop connections and ensures；
The SDN controller is the control centre of entire subzone network, according to the present situation of subzone network dynamically to family
Network service terminal, cell interchanger and virtualized server issue flow table, connect from top to down for each network of user
Distribution network bandwidth resources are connect, and QoS guarantee is provided；
The home network service terminal, building interchanger, cell interchanger and virtualized server support OpenFlow to assist
View；Open vSwitch of the SDN controller into the virtualized server issues flow table, in specified virtualized server
Each fictitious host computer provides QoS and ensures；
The SDN is software defined network, and the QoS is service quality；
Each virtualized server can fictionalize multiple fictitious host computers, and different fictitious host computers has different IP address,
Different home network service terminals access specified fictitious host computer by IP address, in order to provide desktop virtualization service,
The virtualized server installs Open vSwitch, and Open vSwitch supports OpenFlow agreement.
2. the residential quarters network control system according to claim 1 based on SDN, which is characterized in that further include Lou Dong
Interchanger, the building interchanger, for connecting different home network service terminals, which receives the SDN
The instruction of controller provides different QoS for different home network service terminals and ensures.
3. the residential quarters network control system according to claim 1 based on SDN, which is characterized in that further include user
Group interchanger, the user group interchanger connect together the user with same alike result, provide identical QoS for them
Service, the user group interchanger receive the instruction of the SDN controller, provide for different home network service terminals different
QoS is ensured.
4. the residential quarters network control system according to claim 2 based on SDN, which is characterized in that the SDN control
Device dynamically issues flow table to building interchanger according to the present situation of subzone network.
5. the residential quarters network control system according to claim 3 based on SDN, which is characterized in that the SDN control
Device dynamically issues flow table to user group interchanger according to the present situation of subzone network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663842.XA CN105245376B (en) | 2015-10-15 | 2015-10-15 | Residential quarters network control system based on SDN |
| PCT/CN2016/101431 WO2017063511A1 (en) | 2015-10-15 | 2016-10-05 | Sdn-based residential cell network control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663842.XA CN105245376B (en) | 2015-10-15 | 2015-10-15 | Residential quarters network control system based on SDN |
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| Publication Number | Publication Date |
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| CN105245376A CN105245376A (en) | 2016-01-13 |
| CN105245376B true CN105245376B (en) | 2018-11-30 |
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| CN201510663842.XA Expired - Fee Related CN105245376B (en) | 2015-10-15 | 2015-10-15 | Residential quarters network control system based on SDN |
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| Country | Link |
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| CN (1) | CN105245376B (en) |
| WO (1) | WO2017063511A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245376B (en) * | 2015-10-15 | 2018-11-30 | 成都电科致远网络科技有限公司 | Residential quarters network control system based on SDN |
| CN107104728B (en) * | 2017-04-24 | 2021-01-19 | 刘昱 | SDN-based optical fiber network control device and method |
| CN107645556B (en) * | 2017-09-26 | 2018-12-07 | 中国联合网络通信有限公司广东省分公司 | It is a kind of to realize that SDN turns the isolated broadband access of control and keepalive method and device |
| CN107995295B (en) * | 2017-12-06 | 2020-10-16 | 电子科技大学 | Network video application sharing management system based on cell virtualization server |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856356A (en) * | 2014-03-19 | 2014-06-11 | 北京工业大学 | Home network implementation method based on user self-control |
| CN103906074A (en) * | 2012-12-31 | 2014-07-02 | 华为技术有限公司 | Method and device for conducting communication in wireless SDN |
| WO2015090363A1 (en) * | 2013-12-17 | 2015-06-25 | Nokia Solutions And Networks Management International Gmbh | Handover in software defined networking |
| CN104753828A (en) * | 2013-12-31 | 2015-07-01 | 华为技术有限公司 | SDN controller, data central system and route connection method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152239A (en) * | 2013-02-25 | 2013-06-12 | 汉柏科技有限公司 | Open VSwitch-based virtual network implementation method and system |
| CN104168200B (en) * | 2014-07-10 | 2017-08-25 | 汉柏科技有限公司 | A kind of method and system that acl feature is realized based on Open vSwitch |
| CN105245376B (en) * | 2015-10-15 | 2018-11-30 | 成都电科致远网络科技有限公司 | Residential quarters network control system based on SDN |
-
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- 2015-10-15 CN CN201510663842.XA patent/CN105245376B/en not_active Expired - Fee Related
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- 2016-10-05 WO PCT/CN2016/101431 patent/WO2017063511A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906074A (en) * | 2012-12-31 | 2014-07-02 | 华为技术有限公司 | Method and device for conducting communication in wireless SDN |
| WO2015090363A1 (en) * | 2013-12-17 | 2015-06-25 | Nokia Solutions And Networks Management International Gmbh | Handover in software defined networking |
| CN104753828A (en) * | 2013-12-31 | 2015-07-01 | 华为技术有限公司 | SDN controller, data central system and route connection method |
| CN103856356A (en) * | 2014-03-19 | 2014-06-11 | 北京工业大学 | Home network implementation method based on user self-control |
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| WO2017063511A1 (en) | 2017-04-20 |
| CN105245376A (en) | 2016-01-13 |
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Effective date of registration: 20210423 Address after: 518001 101, 21 Fujing Road, Yijing garden, 2003 Yijing Road, Yijing community, Huangbei street, Luohu District, Shenzhen City, Guangdong Province Patentee after: Shenzhen chuangsi Life Technology Co.,Ltd. Address before: 611731 building, No. 2006, West Avenue, hi tech West District, Sichuan, Chengdu Patentee before: CHENGDU DIANKE ZHIYUAN NETWORK TECHNOLOGY Co.,Ltd. |
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