CN110380984A - Resource regulating method based on space virtual network - Google Patents
Resource regulating method based on space virtual network Download PDFInfo
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- CN110380984A CN110380984A CN201910712573.XA CN201910712573A CN110380984A CN 110380984 A CN110380984 A CN 110380984A CN 201910712573 A CN201910712573 A CN 201910712573A CN 110380984 A CN110380984 A CN 110380984A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/829—Topology based
Abstract
Based on the resource regulating method of space virtual network, it is related to Information & Communication Technology field, is to solve the problems such as spatial network framework based on Incorporate existing for nowadays spatial network communication and Internet resources is complicated；Intel Virtualization Technology application into Information Network, the resource service condition of the whole network is perceived by network controller by the present invention, is efficiently dispatched to Internet resources, creates and distribute reasonable network piece for the request of user.It realizes the real-time monitoring to resource, further realizes and rational management is carried out to Internet resources.Floating resources rationally efficiently can be carried out equilibrium by scheduling of resource, are made full use of the link circuit resource of network, are improved the handling capacity of network, reduce link congestion, while also can be reduced network transfer delay.Realizing route optimization, finally realizes scheduling of resource.
Description
Technical field
The present invention relates to Information & Communication Technology fields, and in particular to spatial network virtualization resource dispatching method.
Technical background
With the continuous development of Chinese Space information technology, " Incorporate information network " construction rises to national strategy
When, Information Network has become new research hotspot.Mutually indepedent for current spatial system, resource utilization is lower
Status, by intel Virtualization Technology application into Information Network.Currently, the construction of Information Network is still shown respectively
For battle array, " funnel-shaped " the development situation of repeated construction, answered for the difference in the fields such as space flight measurement and control, remote sensing of the earth, communication service
With, using mutually every.Based on advantage possessed by virtualization technology, existing scholar and scientific research institution propose to establish and be based on both at home and abroad
The Information Network of software defined network (Software Defined Networking, SDN).
However SDN network framework its still in its infancy, focus primarily upon the analysis of architecture and routing algorithm.It is right
A system architecture diagram is only gived very much to the network architecture, simultaneously for also only giving system to schedule virtual resources method very much
Flow chart does not carry out specifically testing measurement.In conclusion virtualization technology is as the important hand for realizing software defined network
Section, current research, which lacks the concrete analysis to Information Network resource virtualizing and virtual resource administrative mechanism, to be tested.
Therefore in order to overcome the problems such as deployment of spatial network is difficult, control is difficult, therefore wish in traditional network technology
Obtain following adjustment:
1), riser tubing is worth, and copes with flow challenge.With main business from voice communication to Wide Flow communicate and
Ultra wide band, content communication development, how reducing flow cost, promoting the value of flow is network problem to be solved；In addition,
Data center virtualization, the multi-tenant of operator lead to the demand to flow, the dynamic variation of flow, need high-performance, low
The interconnection scheme of cost.
2), reinforce the intelligence of pipeline in end pipe cloud.It is end-to-end to be related to a large amount of network elements of network, the configuration of whole network and portion
Administration needs to change thousands of a equipment, so needing the Intelligent Calculation and storage service of network implementations beyond the clouds.
3), the business of fast and flexible provides.The very long standardization of existing network and commercialization process seriously hinder quickly
The natural period of Jian exhibition network service, each business or product causes each dilatation of enterprise or deployment new business to require to execute once
" test of demand product under the contract " tediously long process, and lack can intercommunication product, so accelerate network innovation and application, solution claim forwarding
The connection of technology and new function, new agreement is the urgent need of existing network.Based on the above demand, the method for the present invention can be effectively
The virtualization of realization spatial network, solves the problems, such as that the network equipment is expensive.Internet resources are subjected to Centralizing inspection simultaneously, use calculation
Method is reasonably dispatched Internet resources.
Summary of the invention
The present invention is to solve following problems existing for nowadays spatial network communication and Internet resources:
1), the spatial network framework based on Incorporate is complicated, and the network equipment is extremely expensive, it is difficult to it is real to carry out assessment
It tests；
2), spatial network resource is not easy to be monitored and manage in distribution；
3), spatial network node is numerous, in face of the requirement of spatial network information of new generation, reasonable utilization network is needed to provide
Source；
To provide a kind of scheduling of resource of the resource regulating method based on space virtual network based on space virtual network
Method, it the following steps are included:
Step 1: researching and analysing to the Aerospace Satellite network architecture, node and link characteristics are found, being formed has mapping
The spatial network of relationship virtualizes network；
Step 2: the resource service condition that spatial network is virtualized described in step 1 is perceived by network controller, into
And Internet resources are scheduled；The dispatching method specifically:
Step 2 one, the statistics for the virtualization spatial network being transmitted and being received using network controller information；
Step 2 two, the statistical information for obtaining link, find out from source host to destination host paths traversed and exchange
Machine；
Step 2 three obtains destination host and the common interchanger and link of adjacent host；
Step 2 four, according to the interchanger obtained of step 2 three, obtain all links of the interchanger；
Step 2 five, the expense for calculating link described in step 2 four one by one；
Step 3: finding the smallest link of expense in the step 2 five, and corresponding operating is carried out to data stream list, realized
Scheduling of resource once based on space virtual network.
It is that the present invention obtains the utility model has the advantages that in the present invention, in order to meet the needs of spatial network information constantly extends, the world
The strategic objective of information network in one.Mutually indepedent for current spatial system, the lower status of resource utilization will be empty
Quasi-ization technical application is into Information Network.SDN provides advantageous condition for network virtualization, passes through network-control
Device perceives the resource service condition of the whole network, is the request creation and distribution of user to efficiently be dispatched to Internet resources
Reasonable network piece.Three-layered satellite network framework is mapped in the SDN virtualization network architecture, realizes that spatial network virtualization is surveyed
Examination.Compared with the flow managing method of traditional network, carry out the management of Internet resources and use more to increase by SDN controller
Effect, intelligence.Controller realize traffic management have many advantages: in the controller can by centralized management by way of obtain and
Safeguard the whole network information；Unified path planning and resource allocation policy etc. are completed according to global network information in the controller.It is right
It is realized in the exploitation of controller, realizes the real-time monitoring to resource, further realized and rational management is carried out to Internet resources.Resource
Floating resources rationally efficiently can be carried out equilibrium by scheduling, make full use of the link circuit resource of network, gulping down for network can be improved
The amount of spitting reduces link congestion, while also can be reduced network transfer delay.However the design of traditional network architecture is to a certain degree
On limit the effect of load balancing, the appearance of SDN framework, which makes to forward and control separation, has centralized control
Ability, controller can obtain the whole network information, can be data forwarding paths according to the real-time status of link, realizing route is excellent
Change, finally realizes scheduling of resource.
Detailed description of the invention
Fig. 1 is tri- layers of constellation 3D analogous diagram of GEO/MEO/LEO；
Fig. 2 is to virtualize analogous diagram based on SDN three-layered satellite network；
Fig. 3 is the wireshark packet capturing analysis emulation schematic diagram that network controller realizes Internet resources real-time monitoring；
Fig. 4 is that schematic diagram is arranged in the resource scheduling algorithm simulation parameter constrained based on expense；First two columns indicates that use is based on
The multiple measured value of data transfer size and bandwidth before the resource scheduling algorithm of expense constraint, next two columns are to use to be based on opening
Measured value after selling the resource scheduling algorithm of constraint.
Specific embodiment
Specific embodiment one, the resource regulating method based on space virtual network, it the following steps are included:
Step 1: researching and analysing to the Aerospace Satellite network architecture, node and link characteristics are found, being formed has mapping
The spatial network of relationship virtualizes network；
Step 2: the resource service condition that spatial network is virtualized described in step 1 is perceived by network controller, into
And Internet resources are scheduled；The dispatching method specifically:
Step 2 one, the statistics for the virtualization spatial network being transmitted and being received using network controller information；
Step 2 two, the statistical information for obtaining link, find out from source host to destination host paths traversed and exchange
Machine；
Step 2 three obtains destination host and the common interchanger and link of adjacent host；
Step 2 four, according to the interchanger obtained of step 2 three, obtain all links of the interchanger；
Step 2 five, the expense for calculating link described in step 2 four one by one；
Step 3: finding the smallest link of expense in the step 2 five, and corresponding operating is carried out to data stream list, realized
Scheduling of resource once based on space virtual network.
Network controller described in step 2 one is Floodlight controller.
Transmission described in step 2 one and the statistics for receiving information include transmission rate, the statistics of receiving velocity information
Spatial network described in step 1 virtualizes in network, creates and distribute phase according to the request of user by SDN technology
The network piece answered；After virtual net generates, user can only use system for the Internet resources of its distribution, this virtual network is to use
Family provides business support.
In step 3, corresponding operating is carried out to data stream list, specifically: it adds specified data stream list and pushes away the data of transmission
To specified chain road.
It is that the present invention obtains the utility model has the advantages that in the present invention, in order to meet the needs of spatial network information constantly extends, the world
The strategic objective of information network in one.Mutually indepedent for current spatial system, the lower status of resource utilization will be empty
Quasi-ization technical application is into Information Network.SDN provides advantageous condition for network virtualization, passes through network-control
Device perceives the resource service condition of the whole network, is the request creation and distribution of user to efficiently be dispatched to Internet resources
Reasonable network piece.Three-layered satellite network framework is mapped in the SDN virtualization network architecture, realizes that spatial network virtualization is surveyed
Examination.Compared with the flow managing method of traditional network, carry out the management of Internet resources and use more to increase by SDN controller
Effect, intelligence.Controller realize traffic management have many advantages: in the controller can by centralized management by way of obtain and
Safeguard the whole network information；Unified path planning and resource allocation policy etc. are completed according to global network information in the controller.It is right
It is realized in the exploitation of controller, realizes the real-time monitoring to resource, further realized and rational management is carried out to Internet resources.Resource
Floating resources rationally efficiently can be carried out equilibrium by scheduling, make full use of the link circuit resource of network, gulping down for network can be improved
The amount of spitting reduces link congestion, while also can be reduced network transfer delay.However the design of traditional network architecture is to a certain degree
On limit the effect of load balancing, the appearance of SDN framework, which makes to forward and control separation, has centralized control
Ability, controller can obtain the whole network information, can be data forwarding paths according to the real-time status of link, realizing route is excellent
Change, finally realizes scheduling of resource.
Specific embodiment two, the resource regulating method based on space virtual network first carry out spatial network topology
It researchs and analyses, analyzes the performances such as spreadability, the link information of GEO/MEO/LEO three-tier architecture.It is proposed wherein delay parameter pair
It carries out virtualization test, and the emulation of Aerospace Satellite network topology is completed in virtual machine, demonstrates the feasible of its virtualization
Property.The centralized management for utilizing SDN on this basis carries out real-time monitoring to Internet resources, can be to control according to required data
Device processed carries out Development of Module, realizes real time output data and abnormal flow test.Finally utilize opening based on Virtual Space network
Sell constraint resource dispatching algorithm can promoting transmission rate, while issuing flow table and carrying out reasonable scheduling of resource.
The method of the present invention, i.e. the expense constraint resource dispatching algorithm based on Virtual Space network are described as follows shown in table 1.
1. algorithm description of table
Finally by the emulation testing of various pieces, the feasibility of spatial network virtualization is illustrated.Simultaneously for resource
Virtual pool is reasonably scheduled Internet resources under the virtual network based on SDN, it will it is obviously improved network performance,
Such as transmit size of data, transmission bandwidth etc..
Specific embodiment three, present embodiment are the resources based on space virtual network described in concrete mode two
Dispatching method further limits, and the specific steps of the resource regulating method based on space virtual network include:
Step 1: researching and analysing to spatial network framework, node and link characteristics are found, realizing, there is mapping to close
The spatial network virtualization technology of system.SDN provides advantageous condition for network virtualization, and network controller perceives the whole network
Resource service condition so as to efficiently be dispatched to Internet resources be that request creation and the distribution of user is reasonable
Network piece.After virtual net generates, user can only use system for the Internet resources of its distribution, this virtual network mentions for user
For business support.
Step 2: the feature based on virtualization network, the virtualization of Internet resources, they concentrate on a resource unification
Path planning and resource allocation policy etc..Software development is carried out to controller, to obtain in current Network frame virtual pool, with tradition
The flow managing method of network is compared, and carries out the management of Internet resources by SDN controller and using more efficient, intelligence.It is logical
It crosses controller and realizes that traffic management has many advantages: can be believed acquiring and maintaining the whole network by way of centralized management in the controller
Breath；Important information in structure is completed according to global network information in the controller, realizes the real-time monitoring to resource.
Step 3: collecting the information in topology, such as interchanger, link information using REST API.Its data is carried out
Statistics, storage.
Step 4: finding all telephone net nodes passed through in from source host to destination host.
Step 5: finding the common switch-link of destination host and adjacent host.
Step 6: calculating the expense of outgoing link, such as time delay expense, bandwidth cost, and then select the smallest road of expense
Diameter.
Step 7: using the existing flow table of interchanger is deleted in controller collection, it is unified to issue flow table according to the rules, so that required
Transmission data are transmitted on the shortest path of expense, realize Internet resources rational management.
The invention has the characteristics that and marked improvement:
1, spatial network virtualization technology proposed by the invention solves satellite constellation communication system compared to ground system
The problem of more unmanageable and observation.It is found by emulation testing, the feasibility of spatial network virtualization technology, scalability
Height, can flexible dynamic on-premise network, the problems such as network is uncontrollable when the network equipment of solution is expensive and node is numerous.
2, on the basis of the present invention is virtualized according to spatial network, exploitation is designed to the controller in the network architecture,
Using the centralized management of controller in SDN network framework, the feature being stored in a resource pool after Internet resources virtualization is rich
The rich output information of controller, extracts information needed and is stored.
3, the expense constraint resource tune algorithm proposed by the present invention based on Virtual Space network, solves at present for space
The resource scheduling of virtual network is limited only to the proposition of framework, flow chart.Current research, which lacks, provides Information Network
Source virtualization and the concrete analysis of virtual resource administrative mechanism test.The present invention has carried out experiment test in virtual topology,
System performance is promoted, its feasibility is demonstrated.Support is further provided to spatial network virtualization technology.
Claims (5)
1. based on the resource regulating method of space virtual network, it the following steps are included:
Step 1: researching and analysing to the Aerospace Satellite network architecture, node and link characteristics are found, being formed has mapping relations
Spatial network virtualize network；
Step 2: perceiving the resource service condition for virtualizing spatial network described in step 1 by network controller, and then right
Internet resources are scheduled；The dispatching method specifically:
Step 2 one, the statistics for the virtualization spatial network being transmitted and being received using network controller information；
Step 2 two, the statistical information for obtaining link, find out from source host to destination host paths traversed and interchanger；
Step 2 three obtains destination host and the common interchanger and link of adjacent host；
Step 2 four, according to the interchanger obtained of step 2 three, obtain all links of the interchanger；
Step 2 five, the expense for calculating link described in step 2 four one by one；
Step 3: finding the smallest link of expense in the step 2 five, and corresponding operating is carried out to data stream list, realized primary
Scheduling of resource based on space virtual network.
2. the resource regulating method according to claim 1 based on space virtual network, it is characterised in that one institute of step 2
Stating network controller is Floodlight controller.
3. the resource regulating method according to claim 1 based on space virtual network, it is characterised in that described in 21
Transmission and the statistics for receiving information include the statistics of transmission rate and receiving velocity information.
4. the resource regulating method according to claim 1 based on space virtual network, it is characterised in that in step 1 institute
It states in spatial network virtualization network, creates and distribute corresponding network piece according to the request of user by SDN technology；Virtual net
After generation, user can only use system for the Internet resources of its distribution, this virtual network provides business support for user.
5. the resource regulating method according to claim 1 based on space virtual network, it is characterised in that right in step 3
Data stream list carries out corresponding operating, specifically: it adds specified data stream list and the data of transmission is shifted onto specified chain road.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113489527A (en) * | 2021-06-07 | 2021-10-08 | 北京邮电大学 | Architecture system of lightweight network middleware and satellite communication method |
| CN114785593A (en) * | 2022-04-21 | 2022-07-22 | 中网信安科技有限公司 | Controlled network space construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113489527A (en) * | 2021-06-07 | 2021-10-08 | 北京邮电大学 | Architecture system of lightweight network middleware and satellite communication method |
| CN113489527B (en) * | 2021-06-07 | 2022-09-16 | 北京邮电大学 | Architecture system of lightweight network middleware and satellite communication method |
| CN114785593A (en) * | 2022-04-21 | 2022-07-22 | 中网信安科技有限公司 | Controlled network space construction method |
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Application publication date: 20191025 |