CN103220175A - Method and device for resource management in multimedia communication system - Google Patents

Method and device for resource management in multimedia communication system Download PDF

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CN103220175A
CN103220175A CN2013101350385A CN201310135038A CN103220175A CN 103220175 A CN103220175 A CN 103220175A CN 2013101350385 A CN2013101350385 A CN 2013101350385A CN 201310135038 A CN201310135038 A CN 201310135038A CN 103220175 A CN103220175 A CN 103220175A
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resource
service
application service
data resource
network
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CN103220175B (en
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刘雪彦
黄海生
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GUANGZHOU HESONG INFORMATION TECHNOLOGY Co Ltd
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GUANGZHOU HESONG INFORMATION TECHNOLOGY Co Ltd
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Abstract

The invention provides a method and a device for resource management in a multimedia communication system. The method mainly comprises the steps of receiving resource distribution request sent by application service of a client side of the multimedia communication system, computing resource service amount corresponding to data resources according to parameter information of the data resources distributed via the application service request; using a resource service monitor in the multimedia communication system to establish a plurality of resource service units according to the resource service amount, distributing the plurality of resource service units to the application service; and using the plurality of resource service units to establish a plurality of net connections between the application service and the data resources. After one net connection breaks down, the application service can continuously access the data resources through a standby net connection, the application service cannot be interrupted, fault risk is greatly lowered, and the requirement of Quality of Service (QoS) of the application service is guaranteed.

Description

Method for managing resource in the multimedia communications system and device
Technical field
The present invention relates to the media communication technical field, relate in particular to method for managing resource and device in a kind of multimedia communications system.
Background technology
Multimedia communication system is exactly the communication system that merges two or more medium.Multimedia communications system exchanges based on the IP kernel heart, can open multiple interfaces docks with the various information systems of enterprise, expanded greatly enterprise voice, video, literal and information-based aspect application, it is more mutual to make communication system for enterprise and information system and user three accomplish.Current widely used IP network is exactly the multimedia communication system that has merged literal, sound, image and transfer of data.
The above-mentioned IP network is to make up according to " principle of Best-Effort ", therefore have that transmission channel is unreliable, bandwidth fluctuation big, the transmission data are lost easily and can produce unpredictable problems such as connection interruption, shake and delay, so can't satisfy the needed various QoS(Quality of Service of real-time multimedia communication, service quality in high quality).
At present, various application service development such as the video in the multimedia communications system, video conference, HD Audio and the Internet access are very fast, and the server end in multimedia communications system need be stored the needed data resource of various application services.
Method for managing resource in a kind of multimedia communications system of the prior art is: multimedia communications system is stored various data resources respectively in the different memory cell.After the server of multimedia communications system receives the resource allocation request that the application service of client sends, from a memory cell, distribute corresponding data resource to application service, application service and the network between the above-mentioned data resource of setting up client connect, after this network connects disconnection, above-mentioned application service will be interrupted, above-mentioned application service will be forced to once more to send resource allocation request to the server of multimedia communications system, and data resource is redistributed in request.
The shortcoming of the method for managing resource in the above-mentioned multimedia communications system of the prior art is: after the application service and the connection of the network between above-mentioned data resource disconnection of client, above-mentioned application service will be interrupted, thereby reduce the QoS of above-mentioned application service, reduce the user's who uses above-mentioned application service impression.
Summary of the invention
Embodiments of the invention provide method for managing resource and the device in a kind of multimedia communications system, to improve the QoS of the application service in the multimedia communications system.
Method for managing resource in a kind of multimedia communications system comprises:
Receive the resource allocation request that the application service of the client of multimedia communications system sends, the parameter information of the data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence;
Utilize the resource service monitor RSM in the described multimedia communications system to set up a plurality of resource service unit according to described resource service quantity, described application service is distributed in described a plurality of resource service unit;
Utilize described a plurality of resource service unit, between described application service and described data resource, set up a plurality of networks and connect, use described data resource so that described application service utilizes described a plurality of network to connect.
Resource management apparatus in a kind of multimedia communications system comprises:
Resource service quantity determination module, be used to receive the resource allocation request that the application service of the client of multimedia communications system sends, the parameter information of the data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence;
The resource service unit is set up and distribution module, is used for utilizing the resource service monitor RSM of described multimedia communications system to set up a plurality of resource service unit according to described resource service quantity, and described application service is distributed in described a plurality of resource service unit;
The network connection management module is used to utilize described a plurality of resource service unit, sets up a plurality of networks and connect between described application service and described data resource, uses described data resource so that described application service utilizes described a plurality of network to connect.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, the embodiment of the invention connects by set up a plurality of networks between the data resource of application service and application service request distribution, make after a network connection is broken down, application service can connect continuation visit data resource by standby network, application service can not be interrupted, greatly reduce failure risk, guaranteed the qos requirement of application service.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The process chart of the method for managing resource in a kind of multimedia communications system that Fig. 1 provides for the embodiment of the invention one;
A kind of data resource with the various application services in the multimedia communications system that Fig. 2 provides for the embodiment of the invention one is provided with the schematic diagram in the unified resource pool;
Fig. 3 provides the specific implementation structure chart of the resource management apparatus in a kind of multimedia communications system for the embodiment of the invention two.
Embodiment
For ease of understanding, be that example is further explained explanation below in conjunction with accompanying drawing with several specific embodiments, and each embodiment does not constitute the qualification to the embodiment of the invention to the embodiment of the invention.
Embodiment one
The handling process that this embodiment provides the method for managing resource in a kind of multimedia communications system comprises following treatment step as shown in Figure 1:
After the server of step 11, multimedia communications system received the resource allocation request that the application service of client sends, the pairing weighted value of parameter information of the data resource that distributes according to the application service request calculated the resource service quantity of above-mentioned data resource correspondence.
In the memory of multimedia communications system with the data resource storage and uniform of various application services in a resource pool, above-mentioned various application service can be ISUP(Integrated Services Digital Network User Part, ISUP) service, SIP(Session Initiation Protocol, SIP) service, IVR(Interactive Voice Response, Interaction Voice Response) service, IVVR(Interactive Voice Video Response, mutual audio frequency and video are replied) service, PSTN(Public Switched Telephone Network, PSTN) access service, the HD Audio service, the voice conferencing service, the video conference service, sound and video record service, and sound and video playback service etc.
A kind of data resource that this embodiment provides with the various application services in the multimedia communications system be provided with in the unified resource pool schematic diagram as shown in Figure 2.In actual applications, can set up a resource pool respectively, perhaps, a big resource pool is divided into a plurality of child resources pond, the corresponding a kind of application service respectively of each child resource pond at each application service.
The application service of certain client sends resource allocation request to the server of multimedia communications system, the sign of the data resource that the request of carrying in this resource allocation request distributes.After the server of multimedia communications system received above-mentioned resource allocation request, the sign of the data resource that distributes according to above-mentioned request was obtained the memory address of data resource in above-mentioned resource pool that above-mentioned request distributes.
The operating position that in the server of multimedia communications system, also needs the various data resources of real-time statistics, real-time statistics is used the attribute information of the application service of data resource, obtain and the pairing parameter information of store various kinds of data resource according to the statistics of above-mentioned statistics, the total visit capacity, user that above-mentioned parameter information includes but not limited to use user class, qos requirement, the data resource of the application service of data resource is to the evaluation of data resource etc.The server of multimedia communications system carries out association store with the sign and the corresponding parameters information of various data resources.
The sign of the data resource that the server of multimedia communications system also distributes according to above-mentioned request is inquired about the information of above-mentioned association store, obtains the pairing various parameter informations of data resource that above-mentioned request distributes.Then, the server of multimedia communications system is determined the pairing weighted value of various parameter informations according to the weight Provisioning Policy of setting, calculate the pairing resource service quantity of data resource that above-mentioned request distributes, this resource service quantity according to the pairing weighted value of various parameter informations again 〉=2.Above-mentioned weight Provisioning Policy can be determined flexibly and adjusts according to actual conditions.
Such as, above-mentioned application service is the IVR service, and user class is a middle rank, and pairing weighted value is 0.5; The qos requirement of this IVR service is highest, and pairing weighted value is 1; Total visit capacity of the data resource that this IVR service request is distributed belongs to the big order of magnitude, and pairing weighted value is 1; Being evaluated as of the data resource that the user distributes this IVR service request is general, and pairing weighted value is 0.5.
So, the pairing weighted value addition of various parameter informations is drawn the pairing resource service quantity of resource that above-mentioned request distributes, the resource service quantity of the data resource correspondence that above-mentioned IVR service request is distributed is: 0.5+1+1+0.5=3.
RSM(Resource Service Monitor in step 12, the multimedia communications system, the resource service monitor) the resource service quantity of the data resource correspondence of distributing according to above-mentioned application service request, set up a plurality of resource service unit, each resource service unit is joined in the resource pool of above-mentioned application service.
Resource service in the multimedia communications system is worked in coordination with and is finished by medium processing device, speech channel access device, application service module, and these module devices are referred to as the resource service unit at this.
In embodiments of the present invention, in above-mentioned multimedia communications system, RSM is set, each resource service unit of this RSM unified management.Above-mentioned RSM is according to the resource service quantity of the data resource correspondence of above-mentioned application service request distribution, in multimedia communications system, set up a plurality of interim resource service unit, the concrete quantity of this resource service unit can equate with above-mentioned resource service quantity, and these resource service unit is joined in the resource pool of above-mentioned application service.
The resource service mapping of RSM in step 13, the multimedia communications system by each resource service unit, the memory address of the data resource that the IP address and the above-mentioned request of resource service unit distributed is carried out related.
Then, RSM in the multimedia communications system gives each distributing IP address, resource service unit, set up the resource service mapping of each resource service unit correspondence by each resource service unit IP address allocated, the memory address of the data resource that the IP address of resource service unit and above-mentioned request is distributed by the mapping of this resource service is carried out related, makes above-mentioned application service can visit and use above-mentioned data resource by the resource service mapping of each resource service unit and each resource service unit.
Such as, at above-mentioned IVR service, the resource service quantity of the data resource correspondence that its request distributes is 3, above-mentioned RSM sets up 3 interim resource service unit, be respectively resource service unit 1, resource service unit 2 and resource service unit 3, resource service unit 1, resource service unit 2 and resource service unit 3 joined in the resource pool of above-mentioned IVR service.
The resource service mapping of above-mentioned resource service unit 1 is carried out related with the memory address that above-mentioned IVR serves the data resource of being asked the IP address of resource service unit 1, the memory address of the data resource that the mapping of the resource service of above-mentioned resource service unit 2 distributes the IP address of resource service unit 2 and above-mentioned IVR service request is carried out related, and the resource service mapping of above-mentioned resource service unit 3 is carried out the memory address of the data resource that the IP address of resource service unit 3 and above-mentioned IVR service request are distributed related.
Step 14, multimedia communications system are all distributed to above-mentioned application service with all resource service unit, and application service connects according to a plurality of networks between the memory address of the data resource of foundation of a plurality of resource service unit and request distribution.
Above-mentioned multimedia communications system is all distributed to above-mentioned application service with above-mentioned a plurality of resource service unit, resource service mapping according to each resource service unit, the network of setting up respectively between the memory address of a described application service and described data resource connects, promptly set up a plurality of networks and connect between described application service and described data resource, the corresponding network in each resource service unit connects.
Step 15, application service are selected certain the network connected reference in a plurality of networks connections and are used above-mentioned data resource, and after employed certain network connection was broken down, application service connected continuation by standby network and visits above-mentioned data resource.
Then, above-mentioned application service selects certain network between above-mentioned a plurality of network connection to connect at random, by this certain network connected reference and the above-mentioned data resource of use, the remaining network connection in above-mentioned a plurality of networks connections is connected as standby network.
When above-mentioned application service actual certain network that uses connect break down after, above-mentioned application service selects the another one network to connect from standby network connects again, connect the above-mentioned data resource of continuation visit by this another one network, interrupting can not appear in the data, services of above-mentioned application service.Then, the remaining network in above-mentioned a plurality of networks connections is connected the network connection that continues as standby.
After above-mentioned application service visit and using above-mentioned data resource to finish, the all-network between above-mentioned application service disconnection and the above-mentioned data resource connects, and the network that above-mentioned RSM discharges each resource service unit connects, and discharges pairing resource service mapping etc.
This embodiment connects by set up a plurality of networks between the data resource of application service and application service request distribution, make after a network connection is broken down, application service can connect continuation visit data resource by standby network, application service can not be interrupted, and has greatly reduced failure risk.
Embodiment two
This embodiment provides the resource management apparatus in a kind of multimedia communications system, and its specific implementation structure specifically can comprise following module as shown in Figure 3:
Resource service quantity determination module 31, be used to receive the resource allocation request that the application service of the client of multimedia communications system sends, the parameter information of the data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence;
The resource service unit is set up and distribution module 32, is used for utilizing the resource service monitor RSM of described multimedia communications system to set up a plurality of resource service unit according to described resource service quantity, and described application service is distributed in described a plurality of resource service unit;
Network connection management module 33 is used to utilize described a plurality of resource service unit, sets up a plurality of networks and connect between described application service and described data resource, uses described data resource so that described application service utilizes described a plurality of network to connect.
Further, described resource management apparatus also comprises:
Resource pool management module 34, be used for the data resource of the various application services of multimedia communications system is arranged in the unified resource pool, and described resource pool is divided into a plurality of child resources pond, the corresponding a kind of application service respectively of each child resource pond is stored in the data resource of each application service in the child resource pond of this application service correspondence.
Concrete, described resource service quantity determination module 31, the operating position that specifically is used for the Realtime Statistics resource, real-time statistics is used the attribute information of the application service of data resource, obtain various data resource corresponding parameters information according to the statistics of described statistics, the sign of data resource and the various parameter informations of correspondence are carried out association store;
The sign of the data resource that distributes according to described application service request is inquired about the information of described association store, obtains the various parameter informations of the data resource correspondence that described application service request distributes;
Determine the weighted value that various parameter informations are corresponding respectively according to the weight Provisioning Policy of setting, calculate the pairing resource service quantity of data resource that described application service request distributes, this resource service quantity according to the corresponding respectively weighted value of various parameter informations again 〉=2.
Concrete, described resource service unit is set up and distribution module 32, specifically be used for resource service monitor RSM by multimedia communications system, the resource service quantity of the data resource correspondence of distributing according to described application service request, in multimedia communications system, set up a plurality of interim resource service unit, the quantity of this resource service unit and described resource service quantity equate that described RSM joins described a plurality of resource service unit in the resource pool of described application service;
Give each distributing IP address, resource service unit by described RSM, by the resource service mapping that each resource service unit IP address allocated is set up each resource service unit correspondence, carry out related with the memory address of the data resource of described application service request distribution the IP address of resource service unit by this resource service mapping; By described RSM described application service is distributed in described a plurality of resource service unit.
Concrete, described network connection management module 33, specifically be used for resource service mapping according to each resource service unit, the network of setting up respectively between the memory address of a described application service and described data resource connects, set up a plurality of networks and connect between described application service and described data resource, the corresponding network in each resource service unit connects;
So that described application service is selected certain the network connected reference in described a plurality of network connection and used described data resource, the remaining network during described a plurality of networks are connected connects as standby network connection;
When described application service actual certain network that uses connect break down after, described application service selects the another one network to connect from standby network connects again, connect the continuation visit and use above-mentioned data resource by this another one network, the remaining network during described a plurality of networks are connected connects the network connection that continues as standby.
Concrete, described resource service unit is set up and distribution module 32, also be used for after described application service visit and using described data resource to finish, the all-network that disconnects between described application service and the described data resource connects, and above-mentioned RSM discharges pairing resource service mapping etc.
The detailed process and the preceding method embodiment that carry out the resource management in the multimedia communications system with the device of the embodiment of the invention are similar, repeat no more herein.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the equipment among the embodiment can be described according to embodiment and be distributed in the equipment of embodiment, also can carry out respective change and be arranged in the one or more equipment that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
In sum, the embodiment of the invention connects by set up a plurality of networks between the data resource of application service and application service request distribution, make after a network connection is broken down, application service can connect continuation visit data resource by standby network, application service can not be interrupted, greatly reduce failure risk, guaranteed the qos requirement of application service, improved the user's who uses above-mentioned application service impression.
The embodiment of the invention is by using the resource service pool technology, the data resource that can distribute to the application service request is neatly set up a plurality of resource service unit, and after application service finishes, can discharge the shared resource in each resource service unit and each resource service unit in time.
The embodiment of the invention can realize that a plurality of application services can use same data resource in the resource pool at different time, has improved the utilance of data resource.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (13)

1. the method for managing resource in the multimedia communications system is characterized in that, comprising:
Receive the resource allocation request that the application service of the client of multimedia communications system sends, the parameter information of the data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence;
Utilize the resource service monitor RSM in the described multimedia communications system to set up a plurality of resource service unit according to described resource service quantity, described application service is distributed in described a plurality of resource service unit;
Utilize described a plurality of resource service unit, between described application service and described data resource, set up a plurality of networks and connect, use described data resource so that described application service utilizes described a plurality of network to connect.
2. the method for managing resource in the multimedia communications system according to claim 1 is characterized in that, described method also comprises:
The data resource of the various application services in the multimedia communications system is arranged in the unified resource pool, and described resource pool is divided into a plurality of child resources pond, the corresponding a kind of application service respectively of each child resource pond is stored in the data resource of each application service in the child resource pond of this application service correspondence.
3. the method for managing resource in the multimedia communications system according to claim 1 is characterized in that, the parameter information of the described data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence, comprising:
The operating position of Realtime Statistics resource, real-time statistics is used the attribute information of the application service of data resource, obtain the various parameter informations of data resource correspondence according to the statistics of described statistics, the sign and the corresponding various parameter informations of data resource are carried out association store;
The sign of the data resource that distributes according to described application service request is inquired about the information of described association store, obtains the various parameter informations of the data resource correspondence that described application service request distributes;
Determine the weighted value that various parameter informations are corresponding respectively according to the weight Provisioning Policy of setting, calculate the pairing resource service quantity of data resource that described application service request distributes, this resource service quantity according to the corresponding respectively weighted value of various parameter informations again 〉=2.
4. the method for managing resource in the multimedia communications system according to claim 3, it is characterized in that described parameter information includes but not limited to use the evaluation to the data resource of total visit capacity, user of user class, service quality QoS requirements, the data resource of the application service of data resource.
5. according to the method for managing resource in each described multimedia communications system of claim 1 to 4, it is characterized in that, resource service monitor RSM in the described multimedia communications system sets up a plurality of resource service unit according to described resource service quantity, described application service is distributed in described a plurality of resource service unit, comprising:
Described RSM is according to the resource service quantity of the data resource correspondence of described application service request distribution, in multimedia communications system, set up a plurality of interim resource service unit, the quantity of this resource service unit and described resource service quantity equate that described RSM joins described a plurality of resource service unit in the resource pool of described application service;
Described RSM gives each distributing IP address, resource service unit, by the resource service mapping that each resource service unit IP address allocated is set up each resource service unit correspondence, carry out related with the memory address of the data resource of described application service request distribution the IP address of resource service unit by this resource service mapping;
Described RSM distributes to described application service with described a plurality of resource service unit.
6. the method for managing resource in the multimedia communications system according to claim 5, it is characterized in that, described described a plurality of resource service unit that utilizes, setting up a plurality of networks between described application service and described data resource connects, use described data resource so that described application service utilizes described a plurality of network to connect, comprising:
Resource service mapping according to each resource service unit, the network of setting up respectively between the memory address of a described application service and described data resource connects, set up a plurality of networks and connect between described application service and described data resource, the corresponding network in each resource service unit connects;
Described application service is selected certain the network connected reference in described a plurality of network connection and is used described data resource, and the remaining network during described a plurality of networks are connected connects as standby network connection;
When described application service actual certain network that uses connect break down after, described application service selects the another one network to connect from standby network connects again, connect the continuation visit and use described data resource by this another one network, the remaining network during described a plurality of networks are connected connects the network connection that continues as standby.
7. the method for managing resource in the multimedia communications system according to claim 6 is characterized in that, described method also comprises:
After described application service visit and using described data resource to finish, the all-network that disconnects between described application service and the described data resource connects, and described RSM discharges the pairing resource service mapping in described a plurality of interim resource service unit.
8. the resource management apparatus in the multimedia communications system is characterized in that, comprising:.
Resource service quantity determination module, be used to receive the resource allocation request that the application service of the client of multimedia communications system sends, the parameter information of the data resource that distributes according to described application service request calculates the resource service quantity of described data resource correspondence;
The resource service unit is set up and distribution module, is used for utilizing the resource service monitor RSM of described multimedia communications system to set up a plurality of resource service unit according to described resource service quantity, and described application service is distributed in described a plurality of resource service unit;
The network connection management module is used to utilize described a plurality of resource service unit, sets up a plurality of networks and connect between described application service and described data resource, uses described data resource so that described application service utilizes described a plurality of network to connect.
9. the resource management apparatus in the multimedia communications system according to claim 8 is characterized in that, described resource management apparatus also comprises:
The resource pool management module, be used for the data resource of the various application services of multimedia communications system is arranged in the unified resource pool, and described resource pool is divided into a plurality of child resources pond, the corresponding a kind of application service respectively of each child resource pond is stored in the data resource of each application service in the child resource pond of this application service correspondence.
10. the resource management apparatus in the multimedia communications system according to claim 8 is characterized in that:
Described resource service quantity determination module, the operating position that specifically is used for the Realtime Statistics resource, real-time statistics is used the attribute information of the application service of data resource, obtain the various parameter informations of data resource correspondence according to the statistics of described statistics, the sign and the corresponding various parameter informations of data resource are carried out association store;
The sign of the data resource that distributes according to described application service request is inquired about the information of described association store, obtains the various parameter informations of the data resource correspondence that described application service request distributes;
Determine the weighted value that various parameter informations are corresponding respectively according to the weight Provisioning Policy of setting, calculate the pairing resource service quantity of data resource that described application service request distributes, this resource service quantity according to the corresponding respectively weighted value of various parameter informations again 〉=2.
11. the resource management apparatus to 10 each described multimedia communications systems according to Claim 8 is characterized in that:
Described resource service unit is set up and distribution module, specifically be used for resource service monitor RSM by multimedia communications system, the resource service quantity of the data resource correspondence of distributing according to described application service request, in multimedia communications system, set up a plurality of interim resource service unit, the quantity of this resource service unit and described resource service quantity equate that described RSM joins described a plurality of resource service unit in the resource pool of described application service;
Give each distributing IP address, resource service unit by described RSM, by the resource service mapping that each resource service unit IP address allocated is set up each resource service unit correspondence, carry out related with the memory address of the data resource of described application service request distribution the IP address of resource service unit by this resource service mapping; By described RSM described application service is distributed in described a plurality of resource service unit.
12. the resource management apparatus in the multimedia communications system according to claim 11 is characterized in that:
Described network connection management module, specifically be used for resource service mapping according to each resource service unit, the network of setting up respectively between the memory address of a described application service and described data resource connects, set up a plurality of networks and connect between described application service and described data resource, the corresponding network in each resource service unit connects;
So that described application service is selected certain the network connected reference in described a plurality of network connection and used described data resource, the remaining network during described a plurality of networks are connected connects as standby network connection;
When described application service actual certain network that uses connect break down after, described application service selects the another one network to connect from standby network connects again at random, connect the continuation visit and use described data resource by this another one network, the remaining network during described a plurality of networks are connected connects the network connection that continues as standby.
13. the resource management apparatus in the multimedia communications system according to claim 12 is characterized in that:
Described resource service unit is set up and distribution module, also be used for after described application service visit and using described data resource to finish, the all-network that disconnects between described application service and the described data resource connects, and discharges the pairing resource service mapping in described a plurality of interim resource service unit by described RSM.
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