CN102025688A - Network resource management method and system - Google Patents
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- CN102025688A CN102025688A CN2009101699756A CN200910169975A CN102025688A CN 102025688 A CN102025688 A CN 102025688A CN 2009101699756 A CN2009101699756 A CN 2009101699756A CN 200910169975 A CN200910169975 A CN 200910169975A CN 102025688 A CN102025688 A CN 102025688A
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Abstract
The invention discloses a network resource management method which comprises the following steps: generating a strategy parameter and transmitting the strategy parameter to the strategy executing functive of a first hop router of a bearing surface based on the information of the requested service, subscription information of a user, and the information of the bearing surface accessed by the user currently which are all carried by a received strategy request; mapping the received strategy parameter to an RSVP (resource reservation protocol) object at the protocol end of RSVP of the first hop router by the strategy executing functive; and transmitting the RSVP object to each RSVS client by the RSVP protocol end through an RSVP path message, and reserving bandwidth for the requested service by each RSVP client based on the RSVP object. The invention also discloses a network resource management system, which comprises a strategy server, the strategy executing functive, the RSVP protocol end and the RSVP clients. By the method and the system, the quality of service requiring high speed transmission can be ensured.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of method for managing network resource and system.
Background technology
IP network simple, fast, the prosperity that characteristic has been brought broadband network such as share, but a large amount of business also causes the Internet resources anxiety, can not guarantee professional transmission speed, and then can't guarantee that video traffic, demand service etc. need the quality of the business of high-speed transfer, influence user experience.
And method for managing network resource commonly used at present is: be all kinds of business configuration priority, according to each professional priority is the traffic assignments bandwidth resources, but along with professional continuous development such as video traffic, demand service, high-priority service kind and quantity explode, and a large amount of high-priority service, especially in a large number take the video traffic of big bandwidth, still make the Internet resources anxiety, even may cause the networking overload.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method for managing network resource and system, need can to guarantee the quality of the business of high-speed transfer.
For achieving the above object, technical scheme of the present invention is achieved in that
When a kind of method for managing network resource, strategic server received the strategy request that the applied business server sends, this method comprised:
The loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body of the first hop router first-hoprouter of loading end;
The policy enforcement function body is mapped to the policing parameter that receives the RSVP object of the RSVP RSVP end of first-hop router; Described RSVP end is sent to the RSVP client of loading end all the other each routers except that first-hop router by RSVP path message with described RSVP object, and each RSVP client is institute's requested service bandwidth reserved according to the RSVP object.
Further, described policing parameter comprises: IP address and the receiving port number of the IP five-tuple of institute's requested service, QoS demand parameter and user gateway BNG;
Described RSVP object comprises: session session field, transmitting terminal template sender template field and transmitting terminal specification sender_TSPEC field;
The described RSVP object that the policing parameter that receives is mapped to described RSVP end is:
IP address and the receiving port number of the BNG that described policing parameter is comprised are mapped to receiving terminal address receiver address field, the receiving terminal port receiver port field that described session field comprises respectively, and the protocol number in the IP five-tuple that described policing parameter is comprised is mapped to the agreement ID protocol id field that described session field comprises;
Source IP address, source port number in the IP five-tuple that described policing parameter is comprised are mapped to transmitting terminal address sender address field, the transmitting terminal port senderport field that described sender template field comprises respectively;
The QoS demand parameter that described policing parameter is comprised is mapped to described sender_TSPEC field.
Further, described RSVP end is sent to loading end RSVP client of all the other each routers except that first-hop router by RSVP path message with described RSVP object and is:
Described RSVP end generates the RSVP path RSVP path message of the RSVP object that carries, and transmits to the RSVP client of loading end user gateway BNG by the RSVP client of each router of loading end;
Described each RSVP client is that institute's requested service bandwidth reserved comprises according to the RSVP object:
The RSVP Object Creation path path state that a1, the RSVP path message that the RSVP client of all the other each routers is sent according to a last hop router except that BNG are carried, and transmit hop router is sent on this RSVP path message to next hop router, when RSVP path message arrives the RSVP client of BNG, execution in step b1;
The RSVP Object Creation path state that the RSVP client of b1, BNG is carried according to RSVP path message and calculate the bandwidth that needs are reserved for institute's requested service, for the institute requested service is reserved the bandwidth of calculating, and the RSVP client of passing through all the other routers of loading end is to RSVP end loopback RSVP path message;
The bandwidth that the RSVP calculation and object needs that the RSVP path message of c1, the RSVP client of all the other each routers is sent according to next hop router except that BNG loopback is carried are reserved for institute's requested service, for the institute requested service is reserved the bandwidth of calculating, and the supreme hop router of RSVP path forwards of the loopback that this next hop router is sent; Receive the RSVP path message of loopback up to the RSVP termination, reply to reserve to strategic server by the policy enforcement function body and finish message.
Further, when finishing the transmission of institute's requested service or stopping institute's requested service, this method further comprises: discharge reserved resource.
Further, described release reserved resource comprises:
When a2, strategic server received the resource release request that the applied business server sends, strategic server sent and discharges the bandwidth notice to described policy enforcement function body;
The IP five-tuple of institute's requested service correspondence that the release bandwidth notice that b2, policy enforcement function body will receive is carried and IP address and the receiving port number of BNG, the RSVPpath that is mapped to described RSVP end deletes RSVP path tear object; The generation of RSVP end is carried RSVP path tear object RSVPpath tear message and is transmitted to the RSVP of loading end BNG client;
C2, the RSVP client of all the other each routers receives the RSVP path tear message that a last hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router, when RSVP path tear message arrives BNG, execution in step d2;
The path state of the RSVPpath tear object correspondence that the RSVP path tear message that the deletion of the RSVP client of d2, BNG receives is carried, and the resource that discharges the RSVP path tear object correspondence that the RSVP path tear message that receives carries; And the RSVP client, RSVP end and the described policy enforcement function body that pass through all the other each routers of loading end are replied Release complete to strategic server.
Further, described release reserved resource comprises:
The path state of the RSVP client of a3, BNG deletion institute requested service correspondence, and after discharging the resource that institute's requested service takies generates RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to the RSVP end;
B3, the RSVP client of all the other each routers receives the RSVP path tear message that next hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP path tear message, when RSVP path tear message arrives the RSVP end, execution in step c3;
After c3, RSVP path tear message arrived the RSVP end, the RSVP end was replied Release complete to strategic server by described policy enforcement function body.
The present invention also provides a kind of network resource management system, and this system comprises: the strategic server that is connected with the applied business server with loading end respectively that chain of command is introduced, be arranged at loading end first-hop router on policy enforcement function body and RSVP end and be arranged at loading end RSVP client on all the other each routers except that first-hop router; Wherein,
Strategic server, when being used to receive the strategy request that the applied business server sends, the loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body;
Policy enforcement function body, the policing parameter that is used for receiving are mapped to the RSVP object of RSVP end;
The RSVP end is used for by RSVP path message described RSVP object being sent to each router of loading end;
The RSVP client, being used for according to the RSVP object is institute's requested service bandwidth reserved.
Further, described RSVP object comprises: session session field, sender template field and sender_TSPEC field;
Described policy enforcement function body comprises: interactive module, session mapping block, template mapping block and specification mapping block; Wherein,
Interactive module is used to receive the policing parameter that strategic server is sent;
The session mapping block, the IP address of the BNG that the policing parameter that is used for receiving comprises and receiving port number are mapped to receiver address field, the receiver port field that described session field comprises respectively, and the protocol number in the IP five-tuple that the policing parameter that this receives is comprised is mapped to the protocol id field that described session field comprises;
The template mapping block, the source IP address, the source port number that are used for IP five-tuple that this policing parameter that receives is comprised are mapped to sender address field, the sender port field that described sender template field comprises respectively;
The specification mapping block is used for the QoS demand parameter that this policing parameter that receives comprises is mapped to described sender_TSPEC field.
Further, described RSVP end comprises message generating module, information receiving and transmitting module; Wherein,
Message generating module is used to generate the RSVP path message of the RSVP object that carries;
The information receiving and transmitting module is used for transmitting described RSVP path message by the RSVP client of each router of loading end to the RSVP of loading end BNG client; And when receiving the RSVP path message of loopback, reply reservation by described interactive module to strategic server and finish message;
When described RSVP client is arranged at except that BNG on remaining router of loading end, be the router client; When described RSVP client is arranged on the BNG, be the BNG client; Wherein,
The router client is used for the RSVP Object Creation path state that carries according to last the RSVP path message of sending receiving, transmits hop router is sent on this RSVP path message to next hop router; And the RSVP object that carries of the RSVP path message of the loopback of sending according to next hop router, calculating need be the bandwidth of institute's requested service reservation, for the institute requested service is reserved the bandwidth of calculating, and the supreme hop router of RSVP path forwards of the loopback that this next hop router is sent;
The BNG client, the bandwidth that RSVP Object Creation path state that the RSVP path message that is used for sending according to a last hop router is carried and calculating needs are reserved for institute's requested service, and reserve the bandwidth of calculating for the institute requested service, and pass through each router client to the information receiving and transmitting module loopback RSVP of described RSVP end path message.
Further, described strategic server when also being used to receive the resource release request that the applied business server sends, sending and discharges the bandwidth notice to described policy enforcement function body;
Described interactive module also is used to receive the release bandwidth notice that strategic server is sent;
Described session mapping block, template mapping block and specification mapping block, the release bandwidth that also is used for receiving is notified the IP five-tuple of institute's requested service correspondence of carrying and IP address and the receiving port number of BNG, is mapped to the RSVP path deletion RSVP path tear object of described RSVP end;
Described message generating module also is used for generating and carries RSVP path tear object RSVP path tear message;
Described information receiving and transmitting module also is used for transmitting described RSVPpath tear message to the RSVP of loading end BNG client;
Described router client, be used to receive the RSVP path tear message that a hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router;
Described BNG client, be used to receive RSVP path tear message, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and after discharging the RSVP path tear object that this RSVP path tear message carries, reply Release complete to strategic server by the RSVP client of all the other each routers of loading end, described information receiving and transmitting module and described interactive module.
Further, described BNG client, also be used to delete the path state of institute's requested service correspondence, and after discharging the resource that institute's requested service takies, generate RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to described information receiving and transmitting module;
Described router client, also be used to receive the RSVP path tear message that next hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP pathtear message;
Described information receiving and transmitting module also is used for replying Release complete to strategic server by described interactive module.
Method for managing network resource provided by the present invention and system, strategic server is mapped to the RSVP end by the policy enforcement function body of first-hop router with policing parameter, RSVP end and RSVP client are according to described policing parameter, be institute's requested service reserved resource, realize resource management, can be specific to the professional reserved resource that is user's current request, need can to guarantee the quality of the business of high-speed transfer, solve the professional transmission speed of the nervous influences of Internet resources, and then influenced the problem of user experience.The present invention also has following advantage and characteristics:
When finishing or stop business, discharge the professional Internet resources that take, so that other professional use, to solve the problem of Internet resources anxiety.
Description of drawings
Fig. 1 is the realization flow figure of embodiment of the invention method for managing network resource;
Fig. 2 is the structural representation of embodiment of the invention network resource management system.
Embodiment
The realization flow of embodiment of the invention method for managing network resource may further comprise the steps as shown in Figure 1:
Step 101: when strategic server receives the strategy request that the applied business server sends, the loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body of first hop router (first-hop router) of loading end;
Wherein, described policing parameter comprises: the IP address and the receiving port number of the IP five-tuple of institute's requested service, QoS demand parameter and user gateway (BNG) are contained in respectively in the loading end information of information, user signing contract information and the current access of user of institute's requested service; The information of institute's requested service, user signing contract information all are stored in the applied business server, and the loading end information of the current access of described user offers the loading end information of user's access of applied business server when being user's the last time logging in network.
Step 102: the policy enforcement function body is mapped to the policing parameter that receives the RSVP object of the resource reservation protocol (rsvp) agreement end of first-hop router.
Wherein, described RSVP object comprises: session (session) field, transmitting terminal template (sendertemplate) field and transmitting terminal specification (sender_TSPEC) field;
Describedly policing parameter be mapped to the RSVP object be specially:
IP address and the receiving port number of the BNG that described policing parameter is comprised are mapped to receiving terminal address (receiver address) field, receiving terminal port (receiver port) field that described session field comprises respectively, and the protocol number in the IP five-tuple that described policing parameter is comprised is mapped to agreement ID (protocol ID) field that described session field comprises;
Source IP address, source port number in the IP five-tuple that described policing parameter is comprised are mapped to transmitting terminal address (sender address) field, transmitting terminal port (sender port) field that described sender template field comprises respectively;
The QoS demand parameter that described policing parameter is comprised is mapped to described sender_TSPEC field.
Step 103: described RSVP end is sent to the RSVP client of loading end all the other each routers except that first-hop router by RSVP path (RSVP path) message with described RSVP object, and each RSVP client is institute's requested service bandwidth reserved according to the RSVP object.
Wherein, described RSVP end is sent to loading end RSVP client of all the other each routers except that first-hop router by RSVP path message with described RSVP object and is:
Described RSVP end generates the RSVP path message of carrying the RSVP object and the RSVP client of passing through each router of loading end transmits to the RSVP of loading end BNG client; Wherein, BNG is the final jump of loading end, is used to connect loading end and user side;
Described each RSVP client is that institute's requested service bandwidth reserved comprises according to the RSVP object:
The RSVP Object Creation path state that step a1, the RSVP path message that the RSVP client of all the other each routers is come according to last hop router forwarding except that BNG are carried, and transmit a hop router on this and transmit the RSVP path message of coming to next hop router, when RSVP path message arrives the RSVP client of BNG, execution in step b1;
Wherein, described path state comprises the address of a described RSVP object and a last hop router, and described RSVP object is used for, so that its next hop router sends signaling or data to it;
The bandwidth that RSVP Object Creation path state that the RSVP path message that the RSVP client basis of step b1, BNG receives is carried and calculating needs are reserved for institute's requested service, for the institute requested service is reserved the bandwidth of calculating, and the RSVP client of passing through all the other routers of loading end is to RSVP end loopback RSVP path message;
The bandwidth that the RSVP calculation and object needs that the RSVP path message of step c1, the RSVP client loopback that forwarding comes according to next hop router of all the other each routers except that BNG is carried are reserved for institute's requested service, for institute's requested service is reserved the bandwidth of calculating, and this next hop router is transmitted the supreme hop router of RSVP path forwards of the loopback that comes; Receive the RSVPpath message of loopback up to the RSVP termination, promptly, the RSVP path message of loopback arrives first-hop router, and the RSVP end is replied to reserve to strategic server by the policy enforcement function body and finished message, finishes this resource reservation flow process.
After the step 103, finish or when stopping business, the embodiment of the invention also comprises: discharge reserved resource.
Wherein, when stopping business when finishing business or by the applied business server, described release reserved resource comprises:
When step a2, strategic server received the resource release request that the applied business server sends, strategic server sent and discharges the bandwidth notice to described policy enforcement function body;
The IP five-tuple of institute's requested service correspondence that the release bandwidth notice that step b2, policy enforcement function body will receive is carried and IP address and the receiving port number of BNG, the RSVP path that is mapped to described RSVP end deletes (RSVP path tear) object; The generation of RSVP end is carried the RSVP path tear message of RSVP path tear object and is transmitted to the RSVP of loading end BNG client;
Step c2, the RSVP client of all the other each routers receives the RSVP path tear message that a last hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router, when RSVP path tear message arrives BNG, execution in step d2;
The path state of the RSVP path tear object correspondence that the RSVP path tear message that the deletion of the RSVP client of steps d 2, BNG receives is carried, and the resource that discharges the RSVP path tear object correspondence that the RSVP path tear message that receives carries; And the RSVP client, RSVP end and the described policy enforcement function body answer Release complete that pass through all the other each routers of loading end finish this resource release flow to strategic server.
When stopping business by loading end, described release reserved resource comprises:
The path state of the RSVP client deletion institute requested service correspondence of step a3, BNG, and after discharging the resource that institute's requested service takies, generate RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to the RSVP end;
Step b3, the RSVP client of all the other each routers receives the RSVP path tear message that next hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP path tear message, when RSVP path tear message arrives the RSVP end, promptly when RSVP path tear message arrives first-hop router, execution in step c3;
Step c3, RSVP end are replied Release complete to strategic server by described policy enforcement function body, finish this resource release flow.
The structure of embodiment of the invention network resource management system comprises as shown in Figure 2: the strategic server that is connected with the applied business server with loading end respectively that chain of command is introduced, be arranged at loading end first-hoprouter on policy enforcement function body and RSVP end and be arranged at RSVP client on each router of loading end; Wherein,
Strategic server, when being used to receive the strategy request that the applied business server sends, the loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body;
Policy enforcement function body, the policing parameter that is used for receiving are mapped to the RSVP object of RSVP end;
The RSVP end is used for by RSVP path message described RSVP object being sent to each router of loading end.
The RSVP client, being used for according to the RSVP object is institute's requested service bandwidth reserved.
Wherein, described RSVP object comprises: session session field, sender template field and sender_TSPEC field;
Described policy enforcement function body comprises: interactive module, session mapping block, template mapping block and specification mapping block; Wherein,
Interactive module is used to receive the policing parameter that strategic server is sent;
The session mapping block, the IP address of the BNG that the policing parameter that is used for receiving comprises and receiving port number are mapped to receiver address field, the receiver port field that described session field comprises respectively, and the protocol number in the IP five-tuple that the policing parameter that this receives is comprised is mapped to the protocol id field that described session field comprises;
The template mapping block, the source IP address, the source port number that are used for IP five-tuple that this policing parameter that receives is comprised are mapped to sender address field, the sender port field that described sender template field comprises respectively;
The specification mapping block is used for the QoS demand parameter that this policing parameter that receives comprises is mapped to described sender_TSPEC field.
Further, described RSVP end comprises message generating module, information receiving and transmitting module; Wherein,
Message generating module is used to generate the RSVP path message of the RSVP object that carries;
The information receiving and transmitting module is used for transmitting described RSVP path message by the RSVP client of each router of loading end to the RSVP of loading end BNG client; And when receiving the RSVP path message of loopback, reply reservation by described interactive module to strategic server and finish message;
When described RSVP client is arranged at except that BNG on remaining router of loading end, be the router client; When described RSVP client is arranged on the BNG, be the BNG client; Wherein,
The router client, be arranged at except that BNG on remaining router of loading end, be used for the RSVP Object Creation path state that carries according to last the RSVP path message of sending receiving, transmit hop router is sent on this RSVP path message to next hop router; And the RSVP object that carries of the RSVP path message of the loopback of sending according to next hop router, calculating need be the bandwidth of institute's requested service reservation, for the institute requested service is reserved the bandwidth of calculating, and the supreme hop router of RSVP path forwards of the loopback that this next hop router is sent;
The BNG client, be arranged on the BNG, the bandwidth that RSVP Object Creation path state that the RSVP path message that is used for sending according to a last hop router is carried and calculating needs are reserved for institute's requested service, and reserve the bandwidth of calculating for the institute requested service, and pass through each router client to the information receiving and transmitting module loopback RSVP of described RSVP end path message.
Further, described strategic server when also being used to receive the resource release request that the applied business server sends, sending and discharges the bandwidth notice to described policy enforcement function body;
Described interactive module also is used to receive the release bandwidth notice that strategic server is sent;
Described session mapping block, template mapping block and specification mapping block, the release bandwidth that also is used for receiving is notified the IP five-tuple of institute's requested service correspondence of carrying and IP address and the receiving port number of BNG, is mapped to the RSVP path deletion RSVP path tear object of described RSVP end;
Described message generating module also is used for generating and carries RSVP path tear object RSVP path tear message;
Described information receiving and transmitting module also is used for transmitting described RSVPpath tear message to the RSVP of loading end BNG client;
Described router client, be used to receive the RSVP path tear message that a hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router;
Described BNG client, be used to receive RSVP path tear message, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and after discharging the RSVP path tear object that this RSVP path tear message carries, reply Release complete to strategic server by the RSVP client of all the other each routers of loading end, described information receiving and transmitting module and described interactive module, finish this resource release flow.
Further, described BNG client, also be used to delete the path state of institute's requested service correspondence, and after discharging the resource that institute's requested service takies, generate RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to described information receiving and transmitting module;
Described router client, also be used to receive the RSVP path tear message that next hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP pathtear message;
Described information receiving and transmitting module also is used for replying Release complete to strategic server by described interactive module, finishes this resource release flow.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (11)
1. a method for managing network resource is characterized in that, when strategic server received the strategy request that the applied business server sends, this method comprised:
The loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body of the first hop router first-hoprouter of loading end;
The policy enforcement function body is mapped to the policing parameter that receives the RSVP object of the RSVP RSVP end of first-hop router; Described RSVP end is sent to the RSVP client of loading end all the other each routers except that first-hop router by RSVP path message with described RSVP object, and each RSVP client is institute's requested service bandwidth reserved according to the RSVP object.
2. according to the described method for managing network resource of claim 1, it is characterized in that described policing parameter comprises: IP address and the receiving port number of the IP five-tuple of institute's requested service, QoS demand parameter and user gateway BNG;
Described RSVP object comprises: session session field, transmitting terminal template sender template field and transmitting terminal specification sender_TSPEC field;
The described RSVP object that the policing parameter that receives is mapped to described RSVP end is:
IP address and the receiving port number of the BNG that described policing parameter is comprised are mapped to receiving terminal address receiver address field, the receiving terminal port receiver port field that described session field comprises respectively, and the protocol number in the IP five-tuple that described policing parameter is comprised is mapped to the agreement ID protocol id field that described session field comprises;
Source IP address, source port number in the IP five-tuple that described policing parameter is comprised are mapped to transmitting terminal address sender address field, the transmitting terminal port senderport field that described sender template field comprises respectively;
The QoS demand parameter that described policing parameter is comprised is mapped to described sender_TSPEC field.
3. according to claim 1 or 2 described method for managing network resource, it is characterized in that described RSVP end is sent to loading end RSVP client of all the other each routers except that first-hop router by RSVP path message with described RSVP object and is:
Described RSVP end generates the RSVP path RSVP path message of the RSVP object that carries, and transmits to the RSVP client of loading end user gateway BNG by the RSVP client of each router of loading end;
Described each RSVP client is that institute's requested service bandwidth reserved comprises according to the RSVP object:
The RSVP Object Creation path path state that a1, the RSVP path message that the RSVP client of all the other each routers is sent according to a last hop router except that BNG are carried, and transmit hop router is sent on this RSVP path message to next hop router, when RSVP path message arrives the RSVP client of BNG, execution in step b1;
The RSVP Object Creation path state that the RSVP client of b1, BNG is carried according to RSVP path message and calculate the bandwidth that needs are reserved for institute's requested service, for the institute requested service is reserved the bandwidth of calculating, and the RSVP client of passing through all the other routers of loading end is to RSVP end loopback RSVP path message;
The bandwidth that the RSVP calculation and object needs that the RSVP path message of c1, the RSVP client of all the other each routers is sent according to next hop router except that BNG loopback is carried are reserved for institute's requested service, for the institute requested service is reserved the bandwidth of calculating, and the supreme hop router of RSVP path forwards of the loopback that this next hop router is sent; Receive the RSVP path message of loopback up to the RSVP termination, reply to reserve to strategic server by the policy enforcement function body and finish message.
4. according to the described method for managing network resource of claim 3, it is characterized in that when finishing the transmission of institute's requested service or stopping institute's requested service, this method further comprises: discharge reserved resource.
5. according to the described method for managing network resource of claim 4, it is characterized in that described release reserved resource comprises:
When a2, strategic server received the resource release request that the applied business server sends, strategic server sent and discharges the bandwidth notice to described policy enforcement function body;
The IP five-tuple of institute's requested service correspondence that the release bandwidth notice that b2, policy enforcement function body will receive is carried and IP address and the receiving port number of BNG, the RSVPpath that is mapped to described RSVP end deletes RSVP path tear object; The generation of RSVP end is carried RSVP path tear object RSVPpath tear message and is transmitted to the RSVP of loading end BNG client;
C2, the RSVP client of all the other each routers receives the RSVP path tear message that a last hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router, when RSVP path tear message arrives BNG, execution in step d2;
The path state of the RSVPpath tear object correspondence that the RSVP path tear message that the deletion of the RSVP client of d2, BNG receives is carried, and the resource that discharges the RSVP path tear object correspondence that the RSVP path tear message that receives carries; And the RSVP client, RSVP end and the described policy enforcement function body that pass through all the other each routers of loading end are replied Release complete to strategic server.
6. according to the described method for managing network resource of claim 4, it is characterized in that described release reserved resource comprises:
The path state of the RSVP client of a3, BNG deletion institute requested service correspondence, and after discharging the resource that institute's requested service takies generates RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to the RSVP end;
B3, the RSVP client of all the other each routers receives the RSVP path tear message that next hop router is sent except that BNG, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP path tear message, when RSVP path tear message arrives the RSVP end, execution in step c3;
After c3, RSVP path tear message arrived the RSVP end, the RSVP end was replied Release complete to strategic server by described policy enforcement function body.
7. network resource management system, it is characterized in that this system comprises: the strategic server that is connected with the applied business server with loading end respectively that chain of command is introduced, be arranged at loading end first-hoprouter on policy enforcement function body and RSVP end and be arranged at loading end RSVP client on all the other each routers except that first-hop router; Wherein,
Strategic server, when being used to receive the strategy request that the applied business server sends, the loading end information of information, user signing contract information and the current access of user of the institute's requested service that carries according to the strategy request that receives, the generation strategy parameter also is issued to the policy enforcement function body;
Policy enforcement function body, the policing parameter that is used for receiving are mapped to the RSVP object of RSVP end;
The RSVP end is used for by RSVP path message described RSVP object being sent to each router of loading end;
The RSVP client, being used for according to the RSVP object is institute's requested service bandwidth reserved.
8. according to the described network resource management system of claim 7, it is characterized in that described RSVP object comprises: session session field, sender template field and sender_TSPEC field;
Described policy enforcement function body comprises: interactive module, session mapping block, template mapping block and specification mapping block; Wherein,
Interactive module is used to receive the policing parameter that strategic server is sent;
The session mapping block, the IP address of the BNG that the policing parameter that is used for receiving comprises and receiving port number are mapped to receiver address field, the receiver port field that described session field comprises respectively, and the protocol number in the IP five-tuple that the policing parameter that this receives is comprised is mapped to the protocol id field that described session field comprises;
The template mapping block, the source IP address, the source port number that are used for IP five-tuple that this policing parameter that receives is comprised are mapped to sender address field, the sender port field that described sender template field comprises respectively;
The specification mapping block is used for the QoS demand parameter that this policing parameter that receives comprises is mapped to described sender_TSPEC field.
9. according to claim 7 or 8 described network resource management systems, it is characterized in that described RSVP end comprises message generating module, information receiving and transmitting module; Wherein,
Message generating module is used to generate the RSVP path message of the RSVP object that carries;
The information receiving and transmitting module is used for transmitting described RSVP path message by the RSVP client of each router of loading end to the RSVP of loading end BNG client; And when receiving the RSVP path message of loopback, reply reservation by described interactive module to strategic server and finish message;
When described RSVP client is arranged at except that BNG on remaining router of loading end, be the router client; When described RSVP client is arranged on the BNG, be the BNG client; Wherein,
The router client is used for the RSVP Object Creation path state that carries according to last the RSVP path message of sending receiving, transmits hop router is sent on this RSVP path message to next hop router; And the RSVP object that carries of the RSVP path message of the loopback of sending according to next hop router, calculating need be the bandwidth of institute's requested service reservation, for the institute requested service is reserved the bandwidth of calculating, and the supreme hop router of RSVP path forwards of the loopback that this next hop router is sent;
The BNG client, the bandwidth that RSVP Object Creation path state that the RSVP path message that is used for sending according to a last hop router is carried and calculating needs are reserved for institute's requested service, and reserve the bandwidth of calculating for the institute requested service, and pass through each router client to the information receiving and transmitting module loopback RSVP of described RSVP end path message.
10. according to the described network resource management system of claim 9, it is characterized in that described strategic server when also being used to receive the resource release request that the applied business server sends, sending and discharges the bandwidth notice to described policy enforcement function body;
Described interactive module also is used to receive the release bandwidth notice that strategic server is sent;
Described session mapping block, template mapping block and specification mapping block, the release bandwidth that also is used for receiving is notified the IP five-tuple of institute's requested service correspondence of carrying and IP address and the receiving port number of BNG, is mapped to the RSVP path deletion RSVP path tear object of described RSVP end;
Described message generating module also is used for generating and carries RSVP path tear object RSVP path tear message;
Described information receiving and transmitting module also is used for transmitting described RSVPpath tear message to the RSVP of loading end BNG client;
Described router client, be used to receive the RSVP path tear message that a hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges the RSVP path tear object correspondence that this RSVP path tear message carries, and transmit this RSVP path tear message to next hop router;
Described BNG client, be used to receive RSVP path tear message, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and after discharging the RSVP path tear object that this RSVP path tear message carries, reply Release complete to strategic server by the RSVP client of all the other each routers of loading end, described information receiving and transmitting module and described interactive module.
11. according to the described network resource management system of claim 9, it is characterized in that, described BNG client, also be used to delete the path state of institute's requested service correspondence, and after discharging the resource that institute's requested service takies, generate RSVP path tear message and the RSVP client by loading end each router except that BNG transmits to described information receiving and transmitting module;
Described router client, also be used to receive the RSVP path tear message that next hop router is sent, delete the path state of the RSVP path tear object correspondence that this RSVP path tear message carries, and the resource that discharges this RSVP path tear object correspondence, and upwards a hop router is transmitted this RSVP pathtear message;
Described information receiving and transmitting module also is used for replying Release complete to strategic server by described interactive module.
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