CN102932177A - Inter-domain distributed resource control method - Google Patents
Inter-domain distributed resource control method Download PDFInfo
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- CN102932177A CN102932177A CN2012104219536A CN201210421953A CN102932177A CN 102932177 A CN102932177 A CN 102932177A CN 2012104219536 A CN2012104219536 A CN 2012104219536A CN 201210421953 A CN201210421953 A CN 201210421953A CN 102932177 A CN102932177 A CN 102932177A
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Abstract
The invention discloses an inter-domain distributed resource control method. The inter-domain resource control is classified into passive control and active control; the passive control is adopted in the case of transmission abnormality or equipment failure; and when a management command of an administrator and the non-failure and abnormal notification information from an adjacent autonomous domain are received, active control is adopted. The method disclosed by the invention can improve the control efficiency and reduce the network oscillation time, and avoids the fault and problem caused by the traditional execution-then-notification mode.
Description
Technical field
The invention belongs to computer network field, relate to resource control method, be specifically related to distributed resource control method between a kind of network domains.
Background technology
Along with the high speed development of network, the scale of network expands at a high speed, and network service is variation gradually.And the internet that has now based on TCP/IP is being subject to stern challenge aspect network management and the control.Our research group proposes a kind of credible controllable network system for this reason, realizes network trusted and controlled by management and the control structure that changes existing network.The present invention is based on credible controllable network System Design thought and propose distributed resource control method between a kind of territory.
Because network size is huge, distributed control mode is adopted in inter-domain resource control, but the distributed resource control mode is all emphasized response and ignored consistency between existing territory.Be mainly reflected in that distributed resource is controlled at when receiving the network state change information between existing territory, all adopting makes a strategic decision first carries out the last mode of announcing afterwards, this control method is response to network fault or unusual rapidly, but owing to can't guarantee that before execution the view of each Autonomous Domain of network is consistent, can cause network convergence speed slow for non-network failure or the inter-domain resource control that unusually causes, the network concuss.
Summary of the invention
Technical problem: the present invention is directed to existing inter-domain resource control and emphasize response and ignore conforming problem, provide a kind of and improve control efficiency, reduce the network concussion time, avoided carrying out first distributed resource control method between the territory in the credible controllable network of fault that rear announcement mode causes and problem.
Technical scheme: distributed resource control method between territory of the present invention, inter-domain resource control is divided into ACTIVE CONTROL and Passive Control two classes, Autonomous Domain at first collection network resource state information makes up network state view between the territory, then whether Autonomous Domain real time monitoring network resource exists transmission abnormality or equipment fault, receive in abutting connection with the advertised information of Autonomous Domain and keeper's administration order in real time simultaneously, if have transmission abnormality or equipment fault then position, carry out Passive Control after producing fault and unusual locating information, if receive in abutting connection with the unusual and fault notification information of Autonomous Domain then directly carry out Passive Control; If receive keeper's administration order, or receive in abutting connection with the non-fault of Autonomous Domain and unusual advertised information, then carry out ACTIVE CONTROL;
Passive Control comprises following steps:
11) according to based on fault and unusual locating information or in abutting connection with network state view between the unusual and fault notification information updating territory of Autonomous Domain:
12) the Internet resources controlling mechanism is made a strategic decision the controlled result of decision based on network state view between the territory after upgrading in the step 11);
13) the control decision result who obtains Internet resources controlling mechanism execution in step 12);
14) Autonomous Domain is according to the strategy of resource controlling mechanism, with the form of unusual and fault notification information to adjacency Autonomous Domain announcement phase 12) in the control decision that obtains, advertised information comprises a flag, and it is unusual or equipment fault causes that flag represents that this is advertised as network resource transmission;
ACTIVE CONTROL comprises following steps:
21) according to keeper's administration order or in abutting connection with the non-fault of Autonomous Domain and unusual advertised information network state view between neofield more;
22) the Internet resources controlling mechanism is based on step 21) between territory after upgrading the network state view information make a strategic decision the controlled result of decision;
23) Autonomous Domain with the form of advertised information to contiguous area announcement phase 22) in the control decision result that obtains, advertised information comprises a flag, flag represents what this announcement did not cause for network failure or transmission abnormality;
24) when Autonomous Domain receive that all are advertised overtime in abutting connection with answers announcement of Autonomous Domain or time after, carry out the control decision result, if Status view upgrade to be that announcement by the upstream Autonomous Domain causes between the territory, then after carrying out the control decision result upstream Autonomous Domain reply announcement.
Beneficial effect: the inventive method is compared by prior art, realizes that inter-domain resource control has the following advantages:
1. with the inter-domain resource control tactics, and according to the corresponding control mode of different classes of selection and flow process, improve control efficiency and reduce the network concussion time.
2. the inter-domain resource control that causes for non-failure cause, adopt the mode of carrying out afterwards of announcing first, guarantee that the network state view is consistent between the territory of each Autonomous Domain before carrying out control decision, thus fault and problem that the mode of having avoided tradition to carry out first announcing afterwards causes.
Description of drawings
Fig. 1 is the flow chart of distributed resource control method between territory of the present invention.
Embodiment
Be described further of the present invention below by embodiment.
Distributed resource control method between territory of the present invention, inter-domain resource control is divided into ACTIVE CONTROL and Passive Control two classes, Autonomous Domain model management information bank, and collection network resource state information corresponding list item in management information bank carries out assignment to make up network state view between the territory, then whether Autonomous Domain real time monitoring network resource exists transmission abnormality or equipment fault, receive in abutting connection with the advertised information of Autonomous Domain and keeper's administration order in real time simultaneously, if have transmission abnormality or equipment fault then position, carry out Passive Control after producing fault and unusual locating information, if receive in abutting connection with the unusual and fault notification information of Autonomous Domain then directly carry out Passive Control; If receive keeper's administration order, or receive in abutting connection with the non-fault of Autonomous Domain and unusual advertised information, then carry out ACTIVE CONTROL;
Method of the present invention is divided into Passive Control and ACTIVE CONTROL two classes with resource control, the wherein control implemented in order to realize network function optimization of ACTIVE CONTROL, network function is still effective before implementing control, the target of resource control then is to improve performance, thereby need to before carrying out, Decision Control guarantee that the network state view of each node is consistent, reduces the concussion that network control processing causes as far as possible.Passive Control refers to cause the reason of resource control because network resource status is unusual or the objective factor such as fault causes, and these can cause network function to lose efficacy unusually, therefore need to fast quick-recovery network function.The concrete steps of two kinds of control modes are as follows respectively.
Passive Control mainly may further comprise the steps:
11) if the Passive Control that enters based on the transmission abnormality that monitors or equipment fault; then according to network state view between fault and unusual positioning information update territory; if the Passive Control that enters based on the unusual and fault notification information of adjacency Autonomous Domain, then according to network state view unusually and between fault notification information updating territory.More network view between neofield wherein is to realize by the value of upgrading corresponding list item in the management information bank.
12) the Internet resources controlling mechanism is carried out resource control decision, the controlled result of decision based on network state view between the territory after upgrading in the step 11).When for example topology changed between the territory, the announcement routing mechanism reselected route.
13) carry out decision-making.Internet resources controlling mechanism execution in step 12) the control decision result who obtains in for example revises the routing table of router based on the decision-making of routing mechanism.
14) Autonomous Domain is according to the strategy of resource controlling mechanism, announces its control decision with the form of unusual and fault notification information to contiguous area, and advertised information comprises a flag, represents that this is advertised as network resource transmission unusually or equipment fault causes.
ACTIVE CONTROL mainly may further comprise the steps:
21) if the ACTIVE CONTROL that enters based on keeper's administration order, then according to administration order network state view between neofield more, if the ACTIVE CONTROL that enters based on the non-fault of adjacency Autonomous Domain and unusual advertised information, then according to non-fault and unusual advertised information network state view between neofield more.More network state view between neofield wherein is to realize by the value of upgrading corresponding list item in the management information bank.When revising the value of corresponding list item in the management information bank according to administration order, can be to revise the weights of link with the optimized transmission path.
22) the resource controlling mechanism is based on step 21) between the territory that obtains the network state view make a strategic decision, obtain the result of decision.
23) Autonomous Domain with the form of advertised information to contiguous area announcement phase 22) in the control decision result that obtains, advertised information comprises a flag, this flag represents what this announcement did not cause for network failure or transmission abnormality;
24) when Autonomous Domain receive that all are advertised overtime in abutting connection with answers announcement of Autonomous Domain or time after, carry out the control decision result, if Status view upgrade to be that announcement by the upstream Autonomous Domain causes between the territory, then after carrying out the control decision result upstream Autonomous Domain reply announcement.The time-out time here is set to double network maximum transmitted time delay.
The present invention also can have other numerous embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, and these change and be out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Claims (1)
1. distributed resource control method between a territory, it is characterized in that, the method is divided into Passive Control and ACTIVE CONTROL two classes with inter-domain resource control, Autonomous Domain at first collection network resource state information makes up network state view between the territory, then whether Autonomous Domain real time monitoring network resource exists transmission abnormality or equipment fault, receive in abutting connection with the advertised information of Autonomous Domain and keeper's administration order in real time simultaneously, if have transmission abnormality or equipment fault then position, carry out Passive Control after producing fault and unusual locating information, if receive in abutting connection with the unusual and fault notification information of Autonomous Domain then directly carry out Passive Control; If receive keeper's administration order, or receive in abutting connection with the non-fault of Autonomous Domain and unusual advertised information, then carry out ACTIVE CONTROL;
Described Passive Control comprises following steps:
11) according to fault and unusual locating information or in abutting connection with network state view between the unusual and described territory of fault notification information updating of Autonomous Domain:
12) the Internet resources controlling mechanism is made a strategic decision the controlled result of decision based on network state view between the territory after upgrading in the described step 11);
13) the Internet resources controlling mechanism is carried out the control decision result who obtains in the described step 12);
14) Autonomous Domain is according to the strategy of resource controlling mechanism, form with unusual and fault notification information is announced the control decision that obtains in the described step 12) to the adjacency Autonomous Domain, described advertised information comprises a flag, and it is unusual or equipment fault causes that described flag represents that this is advertised as network resource transmission;
Described ACTIVE CONTROL comprises following steps:
21) according to keeper's administration order or in abutting connection with the non-fault of Autonomous Domain and unusual advertised information network state view between neofield more;
22) the Internet resources controlling mechanism is based on described step 21) between territory after upgrading the network state view information make a strategic decision the controlled result of decision;
23) Autonomous Domain is announced described step 22 with the form of advertised information to contiguous area) in the control decision result that obtains, described advertised information comprises a flag, described flag represents what this announcement did not cause for network failure or transmission abnormality;
24) when Autonomous Domain receive that all are advertised overtime in abutting connection with answers announcement of Autonomous Domain or time after, carry out the control decision result, if Status view upgrade to be that announcement by the upstream Autonomous Domain causes between the territory, then after carrying out the control decision result upstream Autonomous Domain reply announcement.
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| CN2012104219536A CN102932177A (en) | 2012-10-30 | 2012-10-30 | Inter-domain distributed resource control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109889396A (en) * | 2019-03-22 | 2019-06-14 | 哈尔滨工业大学 | A kind of Autonomous Domain grade internet topology visualization method |
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| US6917976B1 (en) * | 2000-05-09 | 2005-07-12 | Sun Microsystems, Inc. | Message-based leasing of resources in a distributed computing environment |
| CN101277303A (en) * | 2008-05-16 | 2008-10-01 | 东南大学 | Control method for reliable controllable network architecture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109889396A (en) * | 2019-03-22 | 2019-06-14 | 哈尔滨工业大学 | A kind of Autonomous Domain grade internet topology visualization method |
| CN109889396B (en) * | 2019-03-22 | 2021-09-03 | 哈尔滨工业大学 | Autonomous domain level internet topology visualization method |
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Application publication date: 20130213 |