CN106100990B - A kind of communication network various dimensions resources regulation method and system based on SDN framework - Google Patents
A kind of communication network various dimensions resources regulation method and system based on SDN framework Download PDFInfo
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- CN106100990B CN106100990B CN201610387320.6A CN201610387320A CN106100990B CN 106100990 B CN106100990 B CN 106100990B CN 201610387320 A CN201610387320 A CN 201610387320A CN 106100990 B CN106100990 B CN 106100990B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/26—Route discovery packet
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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
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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
- 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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Abstract
The present invention relates to network communication technology, the communication network various dimensions resources regulation method based on SDN framework that the invention discloses a kind of specifically includes following step: Step 1: for the device build device model for needing to regulate and control in network.Step 2: SDN controller is completed to perceive the network topology of all devices, current situation data are obtained.Step 3: SDN controller compares last moment history value according to each dimension values of joint behavior, the modifying factor of each dimension of calculate node, in conjunction with prior Preset Transfer rate is preferential and each dimensionality weight of the preferential two classes situation of transmission reliability, optimal routing is obtained using shortest path first, and by the optimal route sending-down network equipment.Step 4: upper level applications stamp feature tag to business datum according to business feature, by the default routing iinformation of matching network equipment, message forwarding is carried out.The above method makes preferably balance network load.
Description
Technical field
The present invention relates to Internet resources control technique field more particularly to a kind of communication network multidimensional based on SDN framework
Spend resources regulation method and system.
Background technique
With the rapid development of the new networks such as mobile internet, system for cloud computing, type of service is increasingly various, transmission
Data volume explosive growth, demand are increasingly complicated.Internet resources are reasonably utilized, realize efficient biography of the business based on respective feature
Defeated demand is further urgent, and traditional IP network is difficult to meet its requirement, and industry proposes software defined network (SDN) network rack
Structure separates data forwarding with control plane, carries out centralized management to network, the overall situation controls Internet resources, using stream
Table controls business forwarding, but in the actual implementation process, is extremely difficult to ideal effect, and there are shortcomings and deficiency, lacks
Point is main as follows:
(1) control and forward separating that SDN network uses, centralized control, every a kind of business is equal in the ideal situation
First it just can be carried out transmission to controller application resource, in the actual process, the performance of SDN controller, which will become, restricts entire net
The bottleneck of network performance；
(2) type of service of the network carrying is multifarious, and the requirement to Internet resources is also not quite similar, and exists simultaneously a large amount of
The business that the life cycle of burst is not grown is transmitted again if first to hold consultation, may influence user experience；But if using passing
The dynamic routing protocol of system controls repeating process by router, is likely to result in Internet resources deficiency, transmission failure, traditional road
It may aggravate network performance deterioration due to being difficult to load balancing, resource dynamic regulation by control forwarding.
Summary of the invention
For the above-mentioned technical problems in the prior art, the invention discloses a kind of communication networks based on SDN framework
Network various dimensions resources regulation method and system.
The communication network various dimensions resources regulation method based on SDN framework that the invention discloses a kind of, specifically include with
Under step:
Step 1: extracting the related ginseng of distinct device for the device build local device model for needing to regulate and control in network
Number, is mapped as a set of unified parameter for the relevant parameter of distinct device, is needed to extract the parameter for needing to monitor according to system,
And determine the weight for needing the parameter monitored.
Step 2: SDN controller obtains by Network Topology Discovery Algorithm and safeguard network topology, generates logic and open up
Figure is flutterred, controller obtains network performance parameter by system protocol simultaneously, and matches local device model and obtain what needs monitored
The weight of parameter, obtained after being normalized the parameter of monitoring in need current situation data.
Step 3: SDN controller compares last moment history value according to each dimension values of joint behavior, calculate node is each
The modifying factor of dimension；It is preferentially weighed with each dimension of the preferential two classes situation of transmission reliability in conjunction with prior Preset Transfer rate
Value, obtains Optimization route using shortest path first；This Optimization route is deleted, reruns to obtain sub-optimal routing, saves two
Four routing iinformations of class, and by the optimal route sending-down network equipment.
Step 4: upper level applications stamp feature tag to business datum according to business feature, from service message
Specific fields match type of service, further according to the routing iinformation for the network equipment that step 3 obtains, carry out message forwarding.
Further, the above method further includes network routing device real-time collecting local performance data, periodically or is reached
Planning routing is adjusted after tactful thresholding.
Further, it includes Route Distinguisher, routing state mark and key parameter that information is routed in above-mentioned steps three.It removes
Conventional destination address, gateway address, port numbers, further include (transmission rate is preferential or transmission reliability is excellent for Route Distinguisher
First), routing state mark (the currently active, history effectively, failure), key parameter are (including maximum bandwidth, the maximum supported at present
Time delay or packet loss).
Further, above-mentioned steps three further include admission control.When key parameter is unsatisfactory for business datum demand, from
Source refusal business enters network, and the business that cannot be born is avoided to waste Internet resources.
Further, above-mentioned steps four further include network routing device reach report thresholding when reversely to source-end networks
Equipment and application terminal diffusion change information.To increase the real-time and reliability of network aware, the notice of controller disappears
Breath priority is generally greater than the advertised information priority of the network equipment.
Further, the matching in above-mentioned steps four specifically: according to business feature, ran in advance or in system
Business Matching Model is extracted in journey, matching strategy is customized as needed.
The communication network various dimensions resources regulation system based on SDN framework that the invention also discloses a kind of, specifically includes
Modeling unit, control unit, route computing unit and message retransmission unit；The modeling unit is used to need in network
Device build local device model, extract the relevant parameter of distinct device, the relevant parameter of distinct device be mapped as one
Unified parameter is covered, needs to extract the parameter for needing to monitor according to system, and determine the weight for needing the parameter monitored；It is described
Control unit generates logical topology chart, leads to simultaneously for network topology to be obtained and safeguarded by Network Topology Discovery Algorithm
It crosses system protocol and obtains network performance parameter, and match the weight that local device model obtains needing the parameter monitored, returned
One change processing after obtain the parameter of monitoring in need current situation data；The route computing unit is according to joint behavior
Each dimension values compare last moment history value, the modifying factor of each dimension of calculate node；In conjunction with prior Preset Transfer rate
Preferential and the preferential two classes situation of transmission reliability each dimensionality weight, obtains Optimization route using shortest path first；Delete this
Optimization route reruns to obtain sub-optimal routing, saves two classes, four routing iinformations, and optimal route sending-down network is set
It is standby；The message retransmission unit is used to stamp feature tag to business datum according to business feature, by matching network equipment
Default routing iinformation, carries out message forwarding.
Further, above system further includes routing adjustment unit, and the routing adjustment unit is for timing or reaches
Planning routing is adjusted after tactful thresholding.
By using above technical solution, the invention has the benefit that realizing in centrally controlled network, pass through
The whole network situation carries out the maintenance of various dimensions fine granularity to network topology situation, is planned in advance Internet resources, and timing is repaired
Just, it is forwarded on demand for business and support is provided, both increased the flexibility of network resource scheduling, improve the utilization rate of network, again
Avoiding controller becomes the risk for restricting the bottleneck of network performance in multi-service big data.
Detailed description of the invention
Fig. 1 is the schematic illustration of a wherein embodiment of the invention.
Fig. 2 is flow chart of the invention.
Fig. 3 is the format for sending optimal routing.
Fig. 4 is that one of which TOS customizes mode.
Specific embodiment
With reference to the accompanying drawings of the specification, the specific embodiment that the present invention will be described in detail.
The communication network various dimensions resources regulation method based on SDN framework that the invention discloses a kind of, specifically include with
Under step:
Step 1: extracting the relevant parameter of distinct device for the device build device model for needing to regulate and control in network, map
It can use as needed for a set of unified parameter type and refer to that parameter model determines monitoring parameter type and weight
System.
Refer to that parameter model is can be customized according to the demand of current system, for example concerned about network transmission is fast in systems
Rate, so that it may extract the parameter that equipment needs to monitor are as follows: device type (such as: optical switching device, electric switching equipment) (weight
0.4), equipment supports bandwidth (weight 0.3), equipment entrance rate and equipment export rate (weight 0.2), equipment delay to shake
(weight 0.1) etc..To different application scenarios, if what is valued is the expense of transmission reliability or transmission, may extract
Parameter type and weight are also different, this needs is analyzed according to concrete application scene.
Step 2: controller is obtained by Network Topology Discovery Algorithm and safeguards network topology (for example, by using being based on
The physical network topology algorithm of Link Layer Discovery Protocol (LLDP)), generate logical topology chart, controller by OpenFlow,
SNMP, special equipment management agreement (different systems may have different management agreements) etc. obtain network performance parameter, matching
Local device model, and the mapping function performance data first arranged of acting is normalized.The definition of this model, mapping are closed
System and normalized are defined according to specific application scenarios oneself, and (such as: exchange is set same category of device in same system
Standby, transmission device, terminal device etc.) model parameter content, value range it is identical, but mapping relations not of the same race are set due to similar
Standby (such as optical switching device, electric switching equipment) parameter is variant, therefore mapping relations needs are made respectively according to each autoregressive parameter of equipment
It is fixed.
It is now exemplified below in conjunction with the present invention:
Model: constructing local device model element: link stability (weight 0.4) based on the preferential demand of transmission rate,
Maximum bandwidth (weight 0.3) loads (weight 0.2), time delay (weight 0.1).
Mapping relations:
Link stability (interchanger class equipment)=(local device type+opposite equip. type) × port status；Wherein thousand
Million electric switching equipment, Wan Zhao electricity switching equipment value are 1, and optical switching device 2, port is normally 1, and port is 0 extremely；
Maximum bandwidth=equipment supports bandwidth；
Load=exit port data traffic；
Time delay=default according to device type: gigabit electricity switching equipment value 0.2, Wan Zhao electricity switching equipment value 0.25,
Optical switching device 0.4；
For bandwidth related data using gigabit as benchmark unit, i.e., every gigabit is set as 1 unit；
It controls equipment and one following parameter of electric switching equipment is obtained by management agreement: in maximum support bandwidth 1KM, 30s
Inbound port data traffic 0.3Mbps, rate of discharge 0.3Mbps, port status be it is normal, opposite equip. is electric interchanger.
Device model mapping are as follows:
Link stability=2；
Maximum bandwidth=1；
Load=0.3；
Time delay=0.2；
Normalized is weighted processing to each parameter, which is 1.18.
Step 3: SDN controller compares last moment history value (initial value 0) according to each dimension values of joint behavior,
The modifying factor of each dimension of calculate node, in conjunction with prior Preset Transfer rate is preferential and the preferential two classes situation of transmission reliability
Each dimensionality weight, Optimization route is obtained using shortest path first, deletes this Optimization route, reruns to obtain sub-optimal road
By, save defeated rate preferentially and four routing iinformations of preferential two class of transmission reliability (two class situations calculate possible outcome possibility phase
Together), and by the optimal route sending-down network equipment.
Illustrate the correction value of each dimension: historical data only being introduced to the dimensional information of affected networks situation to indicate net
Network development trend reduces the influence of bursty data, and smooth dimension statistical value, this value is exactly modifying factor, in the present invention: chain
Road stability, maximum bandwidth, load, time delay four dimensions value, only link stability and load change with Network Situation and are become
Change, they have modifying factor, and another two value is determined by equipment attribute itself, and therefore, their modifying factor fixation is set as 1.
Modifying factorLink stability=；
Modifying factorLoad =；
Efficiency of transmission is preferentially and transmission stability is preferentially according to each modifying factor to efficiency of transmission and transmission stability
Influence be weighted again, such as efficiency of transmission it is preferential in: modifying factorLink stability× 0.5+ modifying factorLoad× 0.5, and transmit
Modifying factor in stabilityLink stability× 0.8+ modifying factorLoad×0.2。
Step 4: upper level applications stamp feature tag to business datum according to business feature, set by matching network
Standby default routing iinformation carries out message forwarding.The formation foundation of feature tag is to carry out specific fields in messages first
Matching, field can be protocol fields, source IP, destination IP, TOS field, one kind or several of udp port field in IP packet
Kind, it is also likely to be to match some or several fields in UDP load to be equal to particular value, for example be for certain upper layer application messages
Short message (traffic guidance's data) in system is fixed using 5566 ports, and long message (communication document) uses Transmission Control Protocol, and agreement is just
Text is identified with 0X1001, and the protocol fields and UDP load of short message data and IP agreement head are matched using the peer-port field of UDP
The first two byte matches long message data jointly, these information can be illustrated by XML configuration file.Then according to business demand
(as: transmission rate is preferential or transmission reliability is preferential), transmission feature (as: institute bandwidth and urgency level will be needed to be mapped as preferentially
Grade) feature tag is formed, it is labeled in business datum.When upper layer application is uncontrollable, operation can not be labeled to business datum,
In the case where switching equipment support policy control simultaneously, above- mentioned information can also be issued to exchange as equipment regulating strategy and set
It is standby.
Step 5: network routing device is according to control equipment prior distributing policy real-time collecting local performance data, timing
Or control equipment is reported after reaching tactful thresholding, control equipment is adjusted planning routing.It controls equipment and passes through local performance
Data calculate routing, and equipment flow table information is issued to each equipment by OpenFlow agreement, adjusts device forwards path.
The present invention is passing through control by providing a kind of communication network resource various dimensions regulation method based on SDN framework
In the central controlled network of device, perceiving for fine granularity various dimensions is capable of to network topology situation, is carried out on this basis complete
Resource flexible modulation within the scope of net enables upper-layer service to select suitable link, more current usual manner according to self-characteristic
Network Load Balance can be better achieved, implementation simple possible biggish can increase network utilization.Calculate routing
When, the assessment to node is many aspects, be no longer it is conventional only see network hops, but the unified communication energy for considering node
The factors such as power, link-quality, network load, therefore be various dimensions.The thought that SDN is used in network path regulation, by
Control equipment collects the whole network state, and Network Situation and business demand are combined in the angle of the whole network, calculates the whole network flow table, efficiently spirit
Living regulates and controls network path, rather than carries out path adjustment by routing device itself convergence in general networks.It is different
Business have different characteristics: such as: commander's instruction, message is short and small, and requirement of real-time is high；Video data, transmission time is long, real
When property requires height, can permit a certain amount of data packetloss；Document real-time property is of less demanding, but does not allow packet loss, situation
Data, requirement of real-time is high, but can endure certain packet loss, etc., these messages are to the transmission path requirement of network
Different.
A kind of (, network equipment unification succinct for expression as shown in Figure 1 of the communication network topology based on controller centralized management
Routing device mark), controller use manage network the network equipment is managed in a manner of out of band data, the network equipment it
Between interconnection there are a variety of Linktypes.Business network and the management network network that be two different in systems, possess respective
Address and network connection, out of band data that is management network be out of band data for business datum, be not take up business
The resource of network, therefore be outside band.
In network design, network manager has completed the model construction of disparate networks equipment, specifies various kinds of equipment
Monitoring parameter and monitoring strategies define the abstract mapping algorithm of performance.Such as device type mapping link type, and then take out
Maximum bandwidth, propagation delay time；The cache size of router, queue depth can take out current residual bandwidth；The error code in radio station
Rate, slip rate can take out packet loss etc..Network will be set at the beginning of opening up by Network Management Protocol (such as: snmp protocol)
Standby monitoring parameter and monitoring strategies is handed down to each equipment, so that equipment independently collects processing equipment in the course of network operation
State.
After network opening, controller is used by way of its all neighbor node of the LLDP acquisition of information of device port
Preorder traversal algorithm obtains all nodal informations in network, completes the perception of Network traffic model relationship.
Or in network initialization procedure, controller regularly sends the LLDP protocol massages of customization, net to the network equipment
Detection transmitting terminal controls information after network management equipment receives, then fills out self information and controller in messages according to local policy
The performance parameter of customization, Xiang Suoyou neighbor node broadcast, neighbor node receive it is rear it is without any processing message is sent to controller,
The connection relationship of two nodes and the correlation performance parameters of first equipment are obtained after controller analytic message, in addition to timing probe
Except, controller can also notify breath according to strategy or equipment master, send specific probe messages, measure some or multiple property
It can be worth, such as the time stamp transmitted and received by comparison, measure the time delay of given link.
Controller synthesis is analyzed to obtain the parameters (parameter such as time delay, packet loss, bandwidth of Network traffic model and each node
Can be modified according to network demand by user's customized with weight), modifying factor is calculated, in conjunction with preset each dimensionality weight,
It is calculated by the following formula each node cost based on speed and based on reliability:(wherein: table
Show node cost, be preset weight, is modifying factor for the dimension values that the parameter that equipment reports obtains after abstract and normalize
Son).Weight of the node cost for each node in routing algorithm.Wherein i indicates i-th each node in network, and value is by net
Network interior joint number determines；J identifies j-th of dimension of node, and value (is namely tieed up by the performance parameter that the demand of node monitors
Degree) it determines.
After calculating each node cost, according to network characteristics, dijkstra's algorithm or other routing algorithms are called, are network
In all nodes calculate rate preferentially and preferential two optimal paths of reliability, and estimation longest time delay and maximum respectively
Packet loss and the maximum bandwidth supported delete preceding 30% of the pack heaviest of optimal path in topology according to preset strategy
There is the intermediate node of overlapping in intermediate node or calculated path, calculates the sub-optimal path of independent in path again, will count twice
Calculate result and be stored in local, and by optimal routing message with format shown in Fig. 3 by route sending-down to each network equipment；It is optimal
Field in the message of routing includes destination address, mask, gateway address, port numbers, route-type, routing parameter, routing shape
State, routing life cycle.Also add more fine-grained content after the conventional routing table information (first four), i.e., route-type,
Routing parameter, routing state and routing life cycle.
Route-type: mark routing is 0 to indicate to be based on speed-priority in this example based on which category feature；1 expression is based on can
It is preferential by property；It can be extended according to user demand.
Routing parameter: identifying the characteristic parameter value of such routing, when in this example including maximum support bandwidth, is maximum
Prolong maximum allowable packet loss, can be extended according to user demand.
Routing state: mark routes the currently active state.It 0 indicates the currently active in this example, allows all business datums
The routing of packet selection.1 indicates that history is effective, and the business data flow for having been selected and transmitting before only allowing selects, and does not permit
The Business Stream of Xu Xin selects, and to reduce the cost of routing migration, then a period of time way of escape, by not activating again, which is reduced to
It has failed routing.2 indicate no longer valid, but timer not yet triggers the routing of delete operation, can be again after performance recovery
Activation reduces route oscillation cost.
Route life cycle: mark routes life cycle, and unactivated routing will be deleted whithin a period of time.
In order to adapt to centralized control, the upper level applications of user terminal are also required to do adaptability reform, issue in message
Shi Zengjia label function, label function identify the characteristic and resource requirement for depositing outgoing packet, can borrow the TOS field of IP, can also
To provide specific fields in data segment, total system is consistent.It is proposed with TOS field (one of customization side TOS
Formula is as shown in Figure 4), existing common IP data can be compatible with, when upper level applications do not identify, are selected at random by the network equipment
Routing by, if the routing parameter for having routing is unsatisfactory for business demand, network access device refuse business datum, with
The icmp packet of extension informs upper layer application.It, can be from first network equipment of business side to control if local without required routing
Device processed initiates routing application.
In TOS field
Precedence type: 1 indicates that transmission rate is preferential；2 indicate that transmission reliability is preferential, other: it is spare.
Priority level: 0 is highest, 8 be it is minimum, identification service being capable of received the lowest class (division root of priority level
It according to use demand, can be mapped, can also be mapped by the value of key parameter by node cost).
The network equipment is according to itself policy monitor performance parameter index, when reaching the threshold value of strategy setting, using network management
Controller report on management agreement, and the Xiang Qianxiang network equipment is noticed, routing parameter, routing state are equivalent in self-modified routing table.
Controller triggers road when receiving the main report of equipment or timed collection performance data has significant change compared with historical data
It is calculated by verifying, if the cost of current Optimization route triggers routing update when being higher than sub-optimal path calculates, this is routed
State is set to 1 while issuing new routing, and new routing state is set to 0, updates the whole network related network device information.
By above system, the present invention is realized in centrally controlled network, by the whole network situation, to network topology situation
The maintenance of various dimensions fine granularity is carried out, Internet resources are planned in advance, and timing is corrected, and is forwarded on demand for business and is provided branch
It holds, has both increased the flexibility of network resource scheduling, improve the utilization rate of network, in turn avoid controller in the big number of multi-service
Become the risk for restricting the bottleneck of network performance in the case of.
The coefficient and parameter gone out given in the above embodiments, is available to those skilled in the art to realize or use
Invention, invention, which does not limit, only takes aforementioned disclosed numerical value, in the case where not departing from the thought of invention, the technology of this field
Personnel can make various modifications or adjustment to above-described embodiment, thus the protection scope invented is not by above-described embodiment institute
Limit, and should be the maximum magnitude for meeting the inventive features that claims are mentioned.
Claims (9)
1. a kind of communication network various dimensions resources regulation method based on SDN framework, specifically includes following step:
Step 1: the relevant parameter of distinct device is extracted for the device build local device model for needing to regulate and control in network, it will
The relevant parameter of distinct device is mapped as a set of unified parameter, needs to extract the parameter for needing to monitor according to system, and really
The weight for the parameter for needing to monitor calmly；
Step 2: SDN controller obtains by Network Topology Discovery Algorithm and safeguard network topology, logical topology is generated
Figure, controller obtain network performance parameter by system protocol simultaneously, and match local device model and obtain the ginseng for needing to monitor
Several weights, obtained after being normalized the parameter of monitoring in need current situation data；
Step 3: SDN controller compares last moment history value, each dimension of calculate node according to each dimension values of joint behavior
Modifying factor；In conjunction with prior Preset Transfer rate is preferential and each dimensionality weight of the preferential two classes situation of transmission reliability, adopt
Optimization route is obtained with shortest path first；This Optimization route is deleted, reruns to obtain sub-optimal routing, saves two class four
Routing iinformation, and by the optimal route sending-down network equipment；
Step 4: upper level applications stamp feature tag to business datum according to business feature, from specific in service message
Fields match goes out type of service, further according to the routing iinformation for the network equipment that step 3 obtains, carries out message forwarding.
2. the communication network various dimensions resources regulation method based on SDN framework as described in claim 1, it is characterised in that described
Method further includes network routing device real-time collecting local performance data, timing or after reaching tactful thresholding, by SDN controller pair
Planning routing is adjusted.
3. the communication network various dimensions resources regulation method based on SDN framework as described in claim 1, it is characterised in that described
Routing iinformation in step 3 includes Route Distinguisher, routing state mark and key parameter.
4. the communication network various dimensions resources regulation method based on SDN framework as described in claim 1, it is characterised in that described
Step 3 further includes admission control.
5. the communication network various dimensions resources regulation method based on SDN framework as claimed in claim 4, it is characterised in that described
Admission control enters network from source refusal business specially when key parameter is unsatisfactory for business datum demand.
6. the communication network various dimensions resources regulation method based on SDN framework as described in claim 1, it is characterised in that described
Step 4 further include network routing device reach report thresholding when reversely to source-end networks equipment and application terminal diffusion
Change information.
7. the communication network various dimensions resources regulation method based on SDN framework as described in claim 1, it is characterised in that described
Matching in step 4 specifically: according to business feature, business Matching Model is extracted in advance or in system operation,
It is customized as needed with strategy.
8. a kind of communication network various dimensions resources regulation system based on SDN framework, it is characterised in that specifically include modeling unit,
Control unit, route computing unit and message retransmission unit；The equipment structure that the modeling unit is used for need to regulate and control in network
Local device model is built, the relevant parameter of distinct device is extracted, the relevant parameter of distinct device is mapped as a set of unification
Parameter needs to extract the parameter for needing to monitor according to system, and determines the weight for needing the parameter monitored；Described control unit
For network topology to be obtained and safeguarded by Network Topology Discovery Algorithm, logical topology chart is generated, while assisting by system
View obtains network performance parameter, and matches the weight that local device model obtains needing the parameter monitored, is normalized
Obtain afterwards the parameter of monitoring in need current situation data；The route computing unit is according to each dimension values of joint behavior
Compare last moment history value, the modifying factor of each dimension of calculate node；It is preferential in conjunction with prior Preset Transfer rate and pass
Each dimensionality weight of the defeated preferential two classes situation of reliability, obtains Optimization route using shortest path first；Delete this best road
By rerunning to obtain sub-optimal routing, saving two classes, four routing iinformations, and by the optimal route sending-down network equipment；The report
Literary retransmission unit is used to stamp feature tag to business datum according to business feature, the default routing letter by matching network equipment
Breath carries out message forwarding.
9. the communication network various dimensions resources regulation system based on SDN framework as claimed in claim 8, it is characterised in that described
System further includes routing adjustment unit, and the routing adjustment unit carries out planning routing for timing or after reaching tactful thresholding
Adjustment.
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| CN108989217A (en) * | 2017-05-31 | 2018-12-11 | 李志远 | A kind of intelligence ad hoc network |
| CN108449350B (en) * | 2018-03-23 | 2020-11-13 | 全球能源互联网研究院有限公司 | Multi-protocol arranging method and device |
| CN109818865B (en) * | 2019-03-11 | 2020-09-18 | 江苏君英天达人工智能研究院有限公司 | SDN enhanced path boxing device and method |
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