CN101035013A - Resource receiving control method and system - Google Patents
Resource receiving control method and system Download PDFInfo
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- CN101035013A CN101035013A CN 200610058150 CN200610058150A CN101035013A CN 101035013 A CN101035013 A CN 101035013A CN 200610058150 CN200610058150 CN 200610058150 CN 200610058150 A CN200610058150 A CN 200610058150A CN 101035013 A CN101035013 A CN 101035013A
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Abstract
This invention discloses a resource control methods and systems, including: after the receipt of user resources applications, judging applications category; When is scheduled resources applications, extract the scheduled business records from the table in time frame that is crossover with this time to form a new resource tables, combing with the link information to calculate residual resources; in the remaining resource constraints, by routing algorithm to calculate whether there are sufficient resources exist that can accept the applications, successful applicants are notified and recorded in the records of the application form; no applications were rejected; after the success application, When the time to start, extracted from the record of the business information to distribute network carry business; When the business completing delete the operational configuration, and delete from the record corresponding records in the table..
Description
Technical field
The present invention relates to a kind of resource acceptance control method and system, particularly a kind of resource acceptance control method and system when the resource bid that contains time parameter.
Background technology
Along with developing rapidly of Internet, IP operation has also obtained quick growth and variation, and Qos (Quality of Service, service quality) is had higher requirement.The pass-through mode of (Best-Effort) of doing one's best simultaneously can not satisfy multimedia service, and real time data communication traffic etc. make IP QoS become the key technology of next generation network to the demand of network service quality.People have successively proposed technology such as IntServ, DiffServ, are used to guarantee professional service quality, and these technology have its pluses and minuses separately, such as: IntServ is guaranteed qos preferably, but autgmentability is poor, should not use in core net; DiffServ has very strong extensibility, admits control, guaranteed qos preferably but lack.
At NGN (Next General Network, next generation network) in the framework, for effectively solving the QoS problem, bearing bed is divided into control plane and transport plane, adopt based on the forwarding mechanism that wraps at transport plane, introduced RACS (Resource Admission Control Subsystem at control plane, Resource and Admission Control Sub-system), RACS is used to manage the Internet resources that distribute affiliated territory, and user's resource bid admitted control, simultaneously, realize the not resource negotiation between the same area, its work as shown in Figure 1.
In NGN, realize that a key step that has the service access of qos requirement has: the user proposes service request to application server, and application server is created qos signaling according to type of service, send resource bid to RACS, comprise parameters such as bandwidth, time-delay, shake.RACS determines the request of whether admitting the user according to this territory network resource status and control strategy.
In RACS, do not mention the resource bid that has time parameter, promptly the user may be scheduled in advance, in section sometime in the future, uses Internet resources, as predetermined video conference in advance, the network storage service that every day is regular etc.We claim the resource bid that has time parameter to be " predetermined resource " application, and title is not " instant resource " application with the resource bid of time parameter.
CADENUS research institution provides a kind of method in the NGN framework that they propose, solve the resource bid problem that has time parameter.In the network frame that CADUNUS proposes, a RM (Resource Mediator) layer is arranged, between RACS and application server, as shown in Figure 2.RM provides unified interface to the upper strata, shields complicated and diversified bottom-layer network transmission technology.For following transport layer, RM does not also know the resource situation of bottom-layer network, just the application of application server is converted to the resource bid of corresponding network, communicates with RACS.When business span-domain, carry out resource bid between the territory by RM.Under this framework, CADENUS has proposed a kind of method, has the resource bid problem of time parameter with solution.At first, RACS need know according to ready-portioned the whole network resource of time period, and, by the application form of predetermined resource of the free parameter of RM leave strip.When a new application arrives, if relate to the future time section, then from predetermined resource application form, extract all has the request that intersects with this application to RM on time shaft, after the correct convergence, determine all resources of having applied for of this time period, add the resource bid of newly arriving,, issue RACS as once new resource bid, whether can satisfy the application requirement of RM by RACS decision, workflow as shown in Figure 3.When the time of service access arrives, then, carry out service access by RM notice RACS, avoided RACS to keep unnecessary temporal information.
But this method has two deficiencies: one, and the business of intersecting on the time is not necessarily intersected on the path, and single dependence time is gathered all bandwidth by being foundation, and incorrect; Its two, the band time parameter resource bid with not with the resource bid of time parameter, may have resource contention.As predetermined time started of user resources after one hour, so, apply for the business that resource is used from now on, just might threaten the bandwidth of predetermined resource can last long because present ongoing business can not be judged by system.
Summary of the invention
Technical problem solved by the invention is to provide a kind of resource acceptance control method and system, to reach the shortcoming that exists in the resource bid that overcomes the existing free parameter of RACS tenaculum, solve existing RACS and carry out the problem that exists in the admittance control of " predetermined resource ", eliminate the defective that " predetermined resource " application conflicts with " instant resource " application appearance.
For solving the problems of the technologies described above, the invention provides a kind of resource acceptance control method, be used for the Internet resources in territory under the next generation network management distributes, and control is admitted in user's resource bid, this method comprises the steps:
Category-A resource information bank, category-A intended service record sheet, topology information storehouse are set, and wherein: the category-A resource information bank is used to preserve predetermined resource application link circuit resource information; Category-A intended service record sheet is associated with the category-A resource information bank, is used to preserve reservation business information record; The topology information storehouse is used to preserve all topology informations of netting interior link, and the foundation that enters and exits node path for business provides information;
After receiving the user resources application, the resource bid of judging this user is predetermined resource application or instant resource bid;
When the user resources application is the predetermined resource application, read the reservation business information record of category-A intended service record sheet, extract all on time shaft, with the new predetermined resource application time record that intersects is arranged, form the new table of predetermined resource, in conjunction with category-A link circuit resource information bank, calculate surplus resources in this time period;
Under surplus resources constraints, from the topology information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet; As there is not then refusing user's application;
After the consumer premise resource bid success, when the professional time started then, from category-A intended service record sheet, extract this business information, the configuration transmission network allows the carrying customer service also to guarantee QoS;
After customer service finishes in official hour, delete the configuration of this business in transmission network, and from category-A intended service record sheet, delete corresponding record.
This method further can comprise the steps:
Category-B resource information bank, category-B demand service record sheet are set, and wherein: the category-B resource information bank is used to preserve instant resource bid link circuit resource information; Category-B demand service record sheet is associated with the category-B resource information bank, is used to preserve demand service information record;
When user applies is instant resource bid, calculate the remaining Internet resources of category-B by the demand service information recording gauge that reads category-B resource information bank and category-B demand service record sheet;
Under the constraints of remaining Internet resources of category-B and decision information, from the network topological information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, allow the instant resource bid of user, and this resource use information is recorded in the category-B demand service record sheet; As there is not the refusing user's application;
After admitting successfully, according to the path of calculating, configuration bottom transport plane, the indication transport plane is transmitted user service data according to given path, and satisfies the QoS requirement;
After customer service finishes, delete of the access configuration of this business, this user's of deletion service recorder from category-B demand service record sheet at bottom.
The present invention further also provides a kind of resource acceptance control system, the Internet resources that are used for territory under the next generation network management distributes, and user's resource bid admitted control, native system comprises data memory module, routing module, configuration module, wherein:
Data memory module is used to store category-A resource information bank, category-A intended service record sheet, topology information storehouse, wherein:
The category-A resource information bank is used to preserve predetermined resource application link circuit resource information;
Category-A intended service record sheet is associated with the category-A resource information bank, is used to preserve reservation business information record;
The topology information storehouse is used to preserve all topology informations of netting interior link, and the foundation that enters and exits node path for business provides information;
Routing module, be used to judge that this user's resource bid is predetermined resource application or instant resource bid, when determining the user resources application when being the predetermined resource application, by the category-A intended service record sheet in the reading of data memory module, extract all on time shaft, with the new predetermined resource application time record that intersects is arranged, form the new table of predetermined resource, category-A resource information bank in the binding data memory module, calculate surplus resources in this time period, under surplus resources constraints, from the topology information storehouse of data memory module, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet of data memory module; As there is not then refusing user's application;
Configuration module, be used for after consumer premise resource bid success, when the professional time started then, from the category-A intended service record sheet of data memory module, extract this business information, the configuration transmission network allows the carrying customer service and guarantees QoS, after customer service finishes in official hour, delete the configuration of this business in transmission network, and from category-A intended service record sheet, delete corresponding record.
Described data memory module can be further used for storing:
The category-B resource information bank is used to preserve instant resource bid link circuit resource information;
Category-B demand service record sheet is associated with the category-B resource information bank, is used to preserve demand service information record;
Wherein, described routing module, be further used for when determining user applies when being instant resource bid, calculate the remaining Internet resources of category-B by category-B resource information bank in the reading of data memory module and category-B demand service record sheet, under the constraints of remaining Internet resources of category-B and decision information, from the network topological information storehouse of data memory module, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, allow the instant resource bid of user, and this resource use information is recorded in the category-B demand service record sheet, as there is not the refusing user's application;
Described configuration module, after being further used for the business admission success, the path of calculating according to routing module, configuration bottom transport plane, the indication transport plane is transmitted user service data according to given path, and satisfies the QoS requirement, after customer service finishes, configuration module is deleted the access configuration of this business at bottom, this user's of deletion service recorder from the category-B demand service record sheet of data memory module.
Behind employing the present invention, solve the problem that existing RACS carries out the admittance control of " predetermined resource ", eliminated the defective that " predetermined resource " application conflicts with " instant resource " application appearance.
Description of drawings
Fig. 1 is the framework schematic diagram that NGN introduces RACS;
Fig. 2 is the network frame figure of a kind of RM of having of CADENUS research institution proposition;
Fig. 3 is a kind of flow chart that solves the predetermined resource application that CADENUS research institution proposes;
Fig. 4 is the described Resource and Admission Control Sub-system structural representation of the embodiment of the invention;
Fig. 5 is the described A of the embodiment of the invention, b service record sheet content schematic diagram;
Fig. 6 is the described predetermined resource application of an embodiment of the invention example process schematic diagram;
Fig. 7 is the schematic flow sheet of described predetermined resource application of the embodiment of the invention and instant resource bid.
Embodiment
Explain to how specifically implementing the present invention below in conjunction with accompanying drawing.
Fig. 4 is a Resource and Admission Control Sub-system structural representation among the embodiment, as shown in the figure, in the RACS system, comprising: data memory module, routing module, configuration module, policy module, information gathering module etc.
Data memory module wherein, be used to store the category-A resource information bank of preserving predetermined resource application link circuit resource information, be associated with the category-A resource information bank, preserve reservation business information record category-A intended service record sheet, preserve all topology informations of link in the net, the foundation that enters and exits node path for business provides the topology information database data of information;
Data memory module in RACS has two information banks: topology information storehouse and link circuit resource information bank, these two information banks are general module.All topology informations of link in the net are preserved in the topology information storehouse, for the foundation in path between the Ingress node of business and the Egress node provides information; The link circuit resource information bank is preserved the resource information of each link, as parameter informations such as total bandwidth (comprising already used and remaining bandwidth), time delay, shakes.
And the link circuit resource information bank is divided into two parts, category-A resource information bank and category-B resource information bank.The category-A resource information bank is used for the application of " predetermined resource ", and promptly the resource of user applies has time parameter, is to take place in certain period in the future, as the predetermined video conference of section sometime in the future; The category-B resource information bank is used for the application of " instant resource ", and promptly user's business begins after application immediately, does not have definite concluding time, as IP phone.Resource division is become two parts, interfere the service bandwidth of predetermined resource application in order to the service bandwidth of avoiding instant resource bid.
RACS has also set up two business record tables in data memory module, be associated with A, B two class resource information banks respectively, and what be associated with the category-A resource information bank is called category-A intended service record sheet; What be associated with the category-B resource information bank is called category-B demand service record sheet.Business information that category-A intended service record sheet comprises record list-item has user's name, professional zero-time, service ending time, path, qos parameter (bandwidth that takies as this business) etc.The business information record list-item that category-B demand service record sheet comprises has user's name, path, qos parameter etc., is A, b service record sheet content schematic diagram as shown in Figure 5.Set up the business record table, the Dynamic Maintenance Internet resources have avoided the time to go up the Uncrossed problem of service path of intersecting simultaneously easily.
Except data memory module, RACS also comprises policy module, information gathering module, routing module, configuration module etc., and these modules are general module.
1), policy module provides the decision information function, as the method for A, category-B resource allocation, the access control of particular service etc.
2), information gathering module, be used for that collection network topology information and link-state information change, change according to topology information and link-state information in the net of instant collection, upgrade topology information storehouse and category-A resource information bank, category-B resource information bank.
3), routing module is mainly used at network topology structure information, network under the constraints of using decision information that (or predetermined) resource information, policy module provide etc., finds out a path that meets user's qos parameter between from the Ingress node to the Egress node.
When the user resources application comes, routing module judges that at first user's resource bid is predetermined resource application or instant resource bid, when determining the user resources application when being the predetermined resource application, from category-A intended service record sheet, extract all on time shaft, with the new predetermined resource application time record that intersects is arranged, form the new table of predetermined resource, in conjunction with the category-A resource information bank, calculate surplus resources in this time period, under surplus resources constraints, from the topology information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet; As there is not then refusing user's application;
When routing module determines user applies when being instant resource bid, calculate the remaining Internet resources of category-B by category-B resource information bank and category-B demand service record sheet, under the constraints of remaining Internet resources of category-B and decision information, from the network topological information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, allow the instant resource bid of user, and this resource use information is recorded in the category-B demand service record sheet, as there is not the refusing user's application;
When customer service does not have winding-up in the predetermined concluding time, and when user applies prolongs professional the transmission, routing module is earlier from the category-A resource information bank, judgement is in the category-A resource, whether also have resource to satisfy user's professional requirement that transmits in an ensuing time period,, then revise the A service record sheet if having, transfer to configuration module configuration transmission network, guarantee that not damaged continues professional transmission; If do not have, then in the category-B resource,, apply for instant resource according to this professional quality of service requirement, if the application failure, then the business hours of refusing user's prolongs, and after the scheduled time arrives, promptly finishes the transmission of this business; If apply for successfully, then the task and the control of business transmission are given the category-B resource, after successfully shifting, deletion category-A resource is to the configuration and the relevant record of this business;
When receiving the particular service application, as army and police's business, or the flash appeal phone, if network can not satisfy application, routing module is deleted low-grade application business, to satisfy the application of particular service according to the setting of policy module;
When receiving the Best-Effort service application, routing module is according to the setting of policy module, use the idling-resource of category-A and category-B resource to satisfy the Best-Effort service application, it is minimum that Best-Effort service is made as priority, when receiving the business application that service quality guarantees, then tie up the Best-Effort service resource.
4), configuration module is according to route results, the configuration bottom-layer network.
In predetermined resource application business, configuration module is after consumer premise resource bid success, when the professional time started then, from category-A intended service record sheet, extract this business information, the configuration transmission network allows the carrying customer service and guarantees quality QoS, after customer service finishes in official hour, delete the configuration of this business in transmission network, and from category-A intended service record sheet, delete corresponding record;
In instant resource bid business, configuration module is after the business admission success, the path of calculating according to routing module, configuration bottom transport plane, the indication transport plane is transmitted user service data according to given path, and satisfies the quality QoS requirement, after customer service finishes, configuration module is deleted the access configuration of this business at bottom, this user's of deletion service recorder from category-B demand service record sheet.
5), resource adjustments module, for the resource allocation in dynamic adjustments A, the B two class resource information banks, also comprise the resource adjustments module among the RACS, the resource adjustments module is according to the use statistical information of every link on intended service and demand service, and the decision information that provides in conjunction with policy module, the distribution of dynamic equilibrium A, B two class resources makes Internet resources use optimization.
Fig. 6 is the described predetermined resource application of an embodiment of the invention example process schematic diagram, below explanation earlier for the enforcement of predetermined resource application, as shown in the figure:
Step 601, user's predetermined resource application is passed to RACS by application server, judges that this user's resource bid is still " instant resource " application of " predetermined resource " application.Instant in this way resource bid then changes instant resource handling process over to; If the predetermined resource application then changes step 602 over to.
Step 602, from category-A intended service record sheet, extract all on time shaft, the record that intersects is arranged, form a new table of predetermined resource with new predetermined resource application time, in conjunction with category-A link circuit resource information bank, can calculate surplus resources in this time period.
Step 603, under the constraints of surplus resources, from the topology information storehouse, pass through routing algorithm, look for a path from the Ingress node to the Egress node, if find, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet.As not finding, then refusing user's application.
After step 604, the consumer premise resource bid success, when the professional time started then, from category-A intended service record sheet, extract this business information, the configuration transmission network allows carrying customer service and guaranteed qos.
Step 605, customer service finish in official hour, delete the configuration of this business in transmission network, and delete corresponding record from category-A intended service record sheet, finish this business.
Fig. 7 is the schematic flow sheet of predetermined resource application and instant resource bid, and as shown in the figure, its flow process is:
The path from the Ingress node to the Egress node under the constraints of remaining Internet resources of category-B and decision information, in the network topological information storehouse, by routing algorithm, is sought in the path that step 704, searching satisfy condition;
Whether step 722, judgement can be successful from the instant resource of category-B resource bid;
In concrete enforcement, our topological structure change in the collecting net immediately, i.e. link circuit resource change information, renewal topology information storehouse and link circuit resource information bank.This is a general step, can use on stream.
Dynamically adjust the distribution of resource in A, B two category information storehouses if desired, then add up the operating position of every link in " predetermined resource " application and " instant resource " application, in certain time interval, with reference to decision information, dynamically adjust the occupation rate of bandwidth in A, B two category information storehouses.
When having the particular service application, as army and police's business, or the flash appeal phone, when network can not normally satisfy application,, delete some low-grade applications business, to satisfy the application of particular service then according to the information of setting.
When having Best-Effort service, can use the idling-resource of category-A and category-B resource, but that its priority is set to is minimum, have the business that QoS guarantees and tie up so that allow at any time.
Adopt method of the present invention, compared with prior art, solved the problem that existing RACS carries out the admittance control of " predetermined resource ", eliminated the defective that " predetermined resource " application conflicts with " instant resource " application appearance.
Claims (18)
1, a kind of resource acceptance control method is used for the Internet resources in the affiliated territory of next generation network management distribution, and control is admitted in user's resource bid, it is characterized in that, comprises the steps:
Category-A resource information bank, category-A intended service record sheet, topology information storehouse are set, and wherein: the category-A resource information bank is used to preserve predetermined resource application link circuit resource information; Category-A intended service record sheet is associated with the category-A resource information bank, is used to preserve reservation business information record; The topology information storehouse is used to preserve all topology informations of netting interior link, and the foundation that enters and exits node path for business provides information;
After receiving the user resources application, the resource bid of judging this user is predetermined resource application or instant resource bid;
When the user resources application is the predetermined resource application, read the reservation business information record of category-A intended service record sheet, extract all on time shaft, with the new predetermined resource application time record that intersects is arranged, form the new table of predetermined resource, in conjunction with category-A link circuit resource information bank, calculate surplus resources in this time period;
Under surplus resources constraints, from the topology information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet; As there is not then refusing user's application;
After the consumer premise resource bid success, when the professional time started then, from category-A intended service record sheet, extract this business information, the configuration transmission network allows the carrying customer service also to guarantee QoS;
After customer service finishes in official hour, delete the configuration of this business in transmission network, and from category-A intended service record sheet, delete corresponding record.
2, the method for claim 1 is characterized in that, reservation business information record comprises in the described category-A intended service record sheet: user's name, professional zero-time, service ending time, path and QoS parameter.
3, the method for claim 1 is characterized in that, further comprises the steps:
Category-B resource information bank, category-B demand service record sheet are set, and wherein: the category-B resource information bank is used to preserve instant resource bid link circuit resource information; Category-B demand service record sheet is associated with the category-B resource information bank, is used to preserve demand service information record;
When user applies is instant resource bid, calculate the remaining Internet resources of category-B by the demand service information recording gauge that reads category-B resource information bank and category-B demand service record sheet;
Under the constraints of remaining Internet resources of category-B and decision information, from the network topological information storehouse, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, allow the instant resource bid of user, and this resource use information is recorded in the category-B demand service record sheet; As there is not the refusing user's application;
After admitting successfully, according to the path of calculating, configuration bottom transport plane, the indication transport plane is transmitted user service data according to given path, and satisfies the QoS requirement;
After customer service finishes, delete of the access configuration of this business, this user's of deletion service recorder from category-B demand service record sheet at bottom.
4, method as claimed in claim 3 is characterized in that, demand service information record comprises in the described category-B demand service record sheet: user's name, path, QoS parameter.
5, method as claimed in claim 3 is characterized in that, further comprises the steps:
When customer service does not have winding-up in the predetermined concluding time, and when user applies prolongs professional the transmission, earlier from the category-A resource information bank, judgement is in the category-A resource, whether also have resource to satisfy user's professional requirement that transmits in an ensuing time period,, then revise the A service record sheet if having, the configuration transmission network guarantees that not damaged continues professional transmission; If do not have, then in the category-B resource,, apply for instant resource according to this professional quality of service requirement, if the application failure, then the business hours of refusing user's prolongs, and after the scheduled time arrives, promptly finishes the transmission of this business; If apply for successfully, then the task and the control of business transmission are given the category-B resource, after successfully shifting, deletion category-A resource is to the configuration and the relevant record of this business.
6, method as claimed in claim 3 is characterized in that, further comprises the steps:
Topology information and link-state information change in the instant collecting net, upgrade topology information storehouse and category-A resource information bank, category-B resource information bank.
7, method as claimed in claim 3 is characterized in that, further comprises the steps:
When need dynamically are adjusted at resource allocation in category-A information bank and the category-B information bank, add up every link after the operating position in predetermined resource application and the instant resource bid, according to decision information, dynamically adjust the occupation rate of bandwidth in category-A information bank and category-B information bank.
8, method as claimed in claim 3 is characterized in that, further comprises the steps:
When receiving the particular service application,,, delete low-grade application business, to satisfy the application of particular service according to setting if network can not satisfy application.
9, method as claimed in claim 3 is characterized in that, further comprises the steps:
When receiving the Best-Effort service application, according to setting, use the idling-resource of category-A and category-B resource to satisfy described Best-Effort service application, it is minimum that described Best-Effort service is made as priority, when receiving the business application that service quality guarantees, then tie up described Best-Effort service resource.
10, a kind of resource acceptance control system is used for the Internet resources in the affiliated territory of next generation network management distribution, and control is admitted in user's resource bid, it is characterized in that, comprises data memory module, routing module, configuration module, wherein:
Data memory module is used to store category-A resource information bank, category-A intended service record sheet, topology information storehouse, wherein:
The category-A resource information bank is used to preserve predetermined resource application link circuit resource information;
Category-A intended service record sheet is associated with the category-A resource information bank, is used to preserve reservation business information record;
The topology information storehouse is used to preserve all topology informations of netting interior link, and the foundation that enters and exits node path for business provides information;
Routing module, be used to judge that this user's resource bid is predetermined resource application or instant resource bid, when determining the user resources application when being the predetermined resource application, by the category-A intended service record sheet in the reading of data memory module, extract all on time shaft, with the new predetermined resource application time record that intersects is arranged, form the new table of predetermined resource, category-A resource information bank in the binding data memory module, calculate surplus resources in this time period, under surplus resources constraints, from the topology information storehouse of data memory module, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, then notify the user applies success, and this predetermined resource information is recorded in the category-A intended service record sheet of data memory module; As there is not then refusing user's application;
Configuration module, be used for after consumer premise resource bid success, when the professional time started then, from the category-A intended service record sheet of data memory module, extract this business information, the configuration transmission network allows the carrying customer service and guarantees QoS, after customer service finishes in official hour, delete the configuration of this business in transmission network, and from category-A intended service record sheet, delete corresponding record.
11, system as claimed in claim 10 is characterized in that, reservation business information record comprises in the described category-A intended service record sheet: user's name, professional zero-time, service ending time, path and QoS parameter.
12, system as claimed in claim 10 is characterized in that, described data memory module is further used for storing:
The category-B resource information bank is used to preserve instant resource bid link circuit resource information;
Category-B demand service record sheet is associated with the category-B resource information bank, is used to preserve demand service information record;
Wherein, described routing module, be further used for when determining user applies when being instant resource bid, calculate the remaining Internet resources of category-B by category-B resource information bank in the reading of data memory module and category-B demand service record sheet, under the constraints of remaining Internet resources of category-B and decision information, from the network topological information storehouse of data memory module, pass through routing algorithm, whether calculate has a path from the Ingress node to the Egress node, if have, allow the instant resource bid of user, and this resource use information is recorded in the category-B demand service record sheet, as there is not the refusing user's application;
Described configuration module, after being further used for the business admission success, the path of calculating according to routing module, configuration bottom transport plane, the indication transport plane is transmitted user service data according to given path, and satisfies the QoS requirement, after customer service finishes, configuration module is deleted the access configuration of this business at bottom, this user's of deletion service recorder from the category-B demand service record sheet of data memory module.
13, system as claimed in claim 12 is characterized in that, demand service information record comprises in the described category-B demand service record sheet: user's name, path, QoS parameter.
14, system as claimed in claim 12 is characterized in that,
Described routing module, be further used for not having winding-up in the predetermined concluding time when customer service, and when user applies prolongs professional the transmission, from the category-A resource information bank of data memory module, judge in the category-A resource whether also have resource to satisfy user's professional requirement that transmits in an ensuing time period earlier, if have, then revise the A service record sheet, transfer to configuration module configuration transmission network, guarantee that not damaged continues professional transmission; If do not have, then in the category-B resource,, apply for instant resource according to this professional quality of service requirement, if the application failure, then the business hours of refusing user's prolongs, and after the scheduled time arrives, promptly finishes the transmission of this business; If apply for successfully, then the task and the control of business transmission are given the category-B resource, after successfully shifting, deletion category-A resource is to the configuration and the relevant record of this business.
15, system as claimed in claim 12, it is characterized in that, further comprise: the information gathering module, be used for that collection network topology information and link-state information change, change topology information storehouse in the renewal data memory module and category-A resource information bank, category-B resource information bank according to topology information and link-state information in the net of instant collection.
16, system as claimed in claim 12 is characterized in that, further comprises: policy module, resource adjustments module, wherein:
Policy module is used to provide decision information;
The resource adjustments module, be used in the time need dynamically being adjusted at the resource allocation of category-A information bank and category-B information bank, add up every link after the operating position in predetermined resource application and the instant resource bid, according to the decision information that described policy module provides, dynamically adjust the occupation rate of bandwidth in category-A information bank and category-B information bank.
17, system as claimed in claim 16 is characterized in that, described routing module, be further used for when receiving the particular service application, if network can not satisfy application, according to the setting of policy module, it is professional to delete low-grade application, to satisfy the application of particular service.
18, system as claimed in claim 16, it is characterized in that, described routing module, be further used for when receiving the Best-Effort service application, according to the setting of policy module, use the idling-resource of category-A and category-B resource to satisfy described Best-Effort service application, it is minimum that described Best-Effort service is made as priority, when receiving the business application that service quality guarantees, then tie up described Best-Effort service resource.
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