WO2009024096A1

WO2009024096A1 - Resource management apparatus, method and system

Info

Publication number: WO2009024096A1
Application number: PCT/CN2008/072096
Authority: WO
Inventors: Min Zha; Yong Huang
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2007-08-22
Filing date: 2008-08-21
Publication date: 2009-02-26
Also published as: CN101374103B; CN101374103A

Abstract

A resource management method, includes: implementing resource admission control over the received request for occupying the transmission resources, and acquiring the transmission resource use condition after resource admission control; according to the pre-set report strategy, reporting the use condition to the center resource manager, which implements resource admission control over the received request for distributing the transmission resource according to the use condition.

Description

Resource management device, resource management method and system The present application claims priority to a Chinese patent application filed on August 22, 2007 by the Chinese Patent Office, application number 200710145111.1, and the invention titled "resource management device, resource management method and system" The entire contents of which are incorporated herein by reference. Technical field

The present invention relates to the field of communication technologies, and in particular, to a resource management apparatus, a resource management method, and a system. Background technique

The increasing demand for multimedia related to broadband users and the continuous development of network communication technologies have promoted the development and development of Internet Protocol TV (IPTV). In the IPTV technology, there are mainly two ways to transmit IPTV media streams, which are on-demand and broadcast. The on-demand mode has the characteristics of real-time interaction, which can provide users with more personalized choices; the broadcast mode can provide various contents for the user to select, and the specific performance is that the user selects different channels and can receive different program contents.

The implementation of the on-demand mode uses unicast technology, and correspondingly, the unicast service can be carried out by on-demand. The main practice of the unicast service is that the user equipment requests the unicast service from the network side, and the network side returns the corresponding data packet to the user equipment. The broadcast mode is implemented by using the multicast technology, and correspondingly, the group can be developed through the broadcast. Broadcast business. The so-called multicast requires the user equipment to join a multicast group. After the multicast source sends the data packet to the multicast group, the multicast group transmits the data packet to all user equipments in the multicast group. The development of multicast technology has effectively improved the efficiency of data transmission and effectively reduced network congestion.

Based on the advantages of unicast and multicast, operators usually use a converged network that combines unicast and multicast technologies, such as a triple play network, which can carry high-speed Internet access (HIS, High Speed). Internet), Voice over IP (VoIP, Voice over IP) and broadcast television (BTV, Broadcast Television) and other services. In the converged network of the transmission resources in the single multicast shared access line, when the IPTV is implemented, the resource manager (RM, Resource Manager) is usually used to manage the transmission resources required for the unicast or multicast service. Management can include operations such as resource admission and resource reservation.

For example, the RM responsible for resource management of unicast services is the Central Resource Manager (C-RM, Central RM). When the unicast service is started, the transmission resource size report to be occupied by the unicast service will be carried out by the network side, such as a video on demand server (VOD Server, Video on Demand Server) or an IP Multimedia Subsystem (IMS). To the C-RM, requesting the transmission resource from the C-RM; after receiving the request, the C-RM may perform resource admission control according to the current usage status of the transmission resource, that is, whether the current available transmission resource is sufficient, and if yes, accept the request. The resource reservation processing is continued, and a corresponding size transmission resource is reserved for the unicast service; otherwise, the request may be rejected.

For the implementation of the multicast service, the triggering request for the reserved resource is initiated by the user-side terminal device, such as a set-top box, because of the channel switching operation of the user. Therefore, in order to achieve a fast switching effect between channels, a certain user experience is guaranteed. The RM that manages the transmission resource of the multicast service cannot be too far away from the terminal device. Otherwise, there are too many intermediate devices between the terminal device and the RM, so that the signaling sent by the terminal device reaches the RM after a long time. Therefore, the user cannot receive the relevant program in time after switching the channel. Therefore, the transmission resources used to carry out the multicast service are usually managed by a distributed resource manager (D-RM, Distributed RM) that is closer to the terminal device.

In a converged network where unicast services and multicast services share transmission resources, there are two resource managers of D-RM and C-RM, and the transmission resources provided to one user by the network side are limited, that is, each user passes one The user access line is connected to the network, and the transmission resources in the access line need to carry both unicast and multicast services, and need to be fully shared to maximize the use of transmission resources. When using D-RM and C-RM to jointly manage transmission resources, one of them may occur when performing unicast and multicast services. The item service occupies too many transmission resources, and the other party still requires the corresponding resource manager to reserve resources due to the usage status of the unknown user transmission resource, which causes the resource reservation to fail, that is, D-RM and C-RM are in the situation. When the resources shared by the two services are reserved separately, the resource reservation conflict may occur. The problem may be referred to as a resource conflict.

Referring to FIG. 1, FIG. 1 is a schematic structural diagram of a single multicast resource management system of an existing access network. In order to solve the above resource conflict problem, the solution proposed in the prior art is: the network provider divides the user transmission resources in the access line proportionally, and manages some of the transmission resources by the D-RM, which is managed by the C-RM. Another part of the transmission resource. When the unicast service is carried out, the network side application function entity (AF) requests the C-RM to transmit the transmission resource required for the unicast service, and after the C-RM accepts the request, reserves the requested request for the unicast service. When the multicast service is carried out, the user equipment itself requests the D-RM for the transmission resource required for the multicast service, and after the D-RM accepts the request, reserves the requested transmission resource for the multicast service. . The prior art solution can prevent the resources managed by the D-RM and the C-RM from being shared with each other, thereby avoiding resource conflicts. However, the solution has the following disadvantages: The transmission resources available for the unicast service and the transmission resources available for the multicast service are separately managed, which is not conducive to making full use of the limited transmission resources.

Referring to FIG. 2, FIG. 2 is a schematic structural diagram of another single multicast resource management system of an existing access network. The prior art 2 shown in FIG. 2 is based on the same network architecture as the above-mentioned prior art, and the prior art 2 is directed to the resource conflict problem, and the solution is: unified management access by the access node (AN, Access Node) The user in the line transmits resources. The AN is the device used by the network to access the subscriber line. For the fixed access network, it refers to the digital subscriber ring access device, referred to as DSLAM. The D-RM is set on the AN and is still responsible for managing the transmission resources of the multicast service. For the transmission resource of the unicast service, the AF of the network side is required to request the C-RM, and then the C-RM requests the transmission resource from the AN. The AN combines the current unicast service with the transmission resource, performs resource admission control on the C-RM request, and decides whether to accept the C-RM request. Compared with the prior art, the solution can uniformly utilize the AN to manage transmission resources, and can fully utilize Limited transmission resources. However, the problem with this solution is that when the unicast service is launched, the required transmission resources need to be requested by the C-RM to the AN. On the one hand, the performance requirements of the AN are high, and on the one hand, the AN and the C-RM resources are required. The execution interface and the signaling interaction with the C-RM are complex. Summary of the invention

The embodiments of the present invention provide a resource management apparatus, a resource management method, and a system, which are used to solve the problem of transmission resource conflicts that may occur when a single multicast service is performed.

A resource management method, including:

Performing resource admission control on the received resource request requesting the transmission resource, and obtaining the usage status of the transmission resource after the resource admission control;

And reporting the usage status to the central resource manager according to the preset reporting policy, so that after the central resource manager knows the usage status, according to the usage status, the resource request for allocating the transmission resource to the received request is performed. Resource admission control.

An embodiment of the present invention provides a resource management apparatus, including: a processing unit and a reporting unit;

a processing unit, configured to perform resource admission control on the received resource request requesting the transmission resource, and obtain the usage status of the transmission resource after the resource admission control;

The reporting unit is configured to report the usage status of the resource admission control resource obtained by the obtaining unit to the central resource manager according to the preset reporting policy.

Embodiments of the present invention provide a resource management method, which manages transmission resources and solves resource conflicts.

A resource management method, including:

Receiving a usage status of the transmission resource reported by the resource management device;

According to the usage status, the resource request for allocating the transmission resource to the received request is subjected to resource admission control.

The embodiment of the invention further provides a resource manager, including: an advertisement receiving unit, a second resource management unit; wherein

The notification receiving unit is configured to receive the usage status of the transmission resource after the resource admission control reported by the resource management device;

The second resource management unit performs resource admission control on the received resource request for allocating the transmission resource according to the usage status received by the notification receiving unit.

The embodiment of the present invention further provides a resource management system, including: a resource management device and a resource manager;

a resource management device, including: a processing unit and a reporting unit; wherein,

a processing unit, configured to perform resource admission control on a resource request that the received user equipment requires to occupy the transmission resource, and obtain a usage status of the transmission resource after the resource admission control;

The reporting unit is configured to report, to the central resource manager, the usage status of the resource admission control resource obtained by the obtaining unit according to the preset reporting policy;

The resource manager includes: an announcement receiving unit and a second resource management unit; wherein

The second resource management unit performs resource access control on the resource request for the allocated application function entity to allocate the transmission resource according to the usage status received by the notification receiving unit.

In summary, in the foregoing technical solution provided by the embodiment of the present invention, in order for the transmission resources managed by the two resource managers to not have a resource conflict problem, the first resource manager (such as D) may be used by the two resource managers. - RM) knowing the usage status of the transmission resource locally, and reporting the usage status of the transmission resource to the second resource manager (such as C-RM) in the two resource managers, and the second resource manager according to the received report The usage status of the current transmission resource can be known, and when the resource request of the unicast service is subsequently processed, the resource admission control of the transmission resource requested by the unicast service can be performed according to the current usage status of the transmission resource. Therefore, the technical side of the embodiment of the present invention The solution can solve the problem of transmission resource conflicts that may occur when a single multicast service is carried out, and the information exchange between the two resource managers only needs to increase the usage status of the transmission resources, and the implementation is simple. DRAWINGS

1 is a schematic structural diagram of a single multicast resource management system of an existing access network; FIG. 2 is a schematic structural diagram of another single multicast resource management system of an existing access network; FIG. 3 is a resource in an embodiment of the present invention; FIG. 4 is a schematic flowchart of a resource management method in an embodiment of the present invention; FIG.

FIG. 5 is a flowchart of another resource management method in an embodiment of the present invention; FIG.

6 is a flowchart of management of transmission resources by an AN in the first embodiment of the present invention; FIG. 7 is a flowchart of C-RM management transmission resources in Embodiment 2 of the present invention; FIG. 8 is a structure of a resource management apparatus according to an embodiment of the present invention; Schematic diagram

9 is a schematic structural diagram of a resource manager in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a resource management system according to an embodiment of the present invention. detailed description

The technical solutions provided by the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

In the embodiment of the present invention, it is still possible to set the D-RM in the AN, that is, the AN has the function of managing the transmission resource by the D-RM, and for convenience, the AN including the D-RM is used as a resource management device, referred to as a resource management device. For AN. In the case of not dividing the transmission resources, the unicast service and the multicast service share the user transmission resources, the C-RM is still used to manage the transmission resources required by the unicast service, and the C-RM reports the transmission resources required by the C-RM to the AN. Size; Use AN to manage the transmission resources required for multicast services. Further, in order to prevent the resource resource from being separately managed by the two resource managers, the resource may be subjected to resource admission control by the AN for requesting to occupy the transmission resource, and then reported to the C-RM according to the preset reporting policy. The resource accepts the usage status of the transmission resource after control, and thus, for the D-RM that manages the multicast service, it can be locally After the resource acceptance control is obtained, the usage status of the transmission resource is obtained. For the C-RM that manages the unicast service, the usage of the transmission resource can be known in time through the reporting of the AN, and then the C-RM can be based on the learned user. The usage status of the transmission resource is used for resource admission control of the unicast service requested by the network side application function entity. It should be noted that, in the embodiment of the present invention, the transmission resource may be a user transmission resource in the access line, or may be a transmission resource that can be managed by the C-RM or the D-RM.

Referring to FIG. 3, FIG. 3 is a schematic structural diagram of a resource management system according to an embodiment of the present invention. The system may include: a UE, a D-RM, an AN, a C-RM, and an AF disposed on the AN. Referring to FIG. 4, FIG. 4 is a flowchart of a resource management method according to an embodiment of the present invention, where the process may include the following steps:

Step s401: The AN performs resource admission control on the received resource request requesting the transmission resource, and obtains the usage status of the transmission resource after the resource admission control.

Step s402: The AN reports the usage status of the resource admission control resource to the C-RM according to the preset reporting policy, so that after the C-RM learns the usage status, the transmission is allocated to the received request according to the usage status. Resource requests for resources are used for resource admission control.

In the embodiment of the present invention, since the C-RM and the AN jointly manage the transmission resource, after the AN receives the request sent by the UE to carry out the multicast service and needs to occupy the transmission resource, the C-RM can learn the current transmission resource. The usage status of the transmission resource can be reported to the C-RM by the AN.

In the embodiment of the present invention, the reporting policy may be set in advance, for example, according to the control result of the resource admission control by the AN, after the resource request is accepted or rejected, the usage status of the resource after the resource admission control is reported to the C-RM; or After the resource request is accepted, the usage status of the transmission resource after the resource admission control is reported to the C-RM; the report may be periodically reported. In actual applications, the reporting policy can also be set according to actual conditions.

The usage status of the transmission resource after the resource admission control may include: a size change condition of the idle transmission resource or the occupied transmission resource after the resource admission control, or a size of the idle transmission resource after the resource admission control, or a transmission occupied after the resource admission control The size of the resource. Correspondingly, the use of the transmission resource after the resource admission control is obtained The method may be: calculating the amount of change of the idle transmission resource or the occupied transmission resource after the resource admission control, or calculating the size of the idle transmission resource after the resource admission control, or calculating the size of the transmission resource occupied after the resource admission control; Record the usage status of the transmission resource locally.

Referring to FIG. 5, FIG. 5 is a flowchart of another resource management method in an embodiment of the present invention, where the process may include the following steps:

Step s501: The C-RM receives the usage status of the transmission resource after the resource admission control reported by the AN.

Step s502: The C-RM performs resource admission control on the received resource request for allocating the transmission resource according to the usage status.

In the embodiment of the present invention, the C-RM can receive the usage status of the transmission resource reported by the AN, and further, the C-RM can perform admission control on the transmission resource that may be occupied by the unicast service based on the usage status, if the unicast If the transmission resource requested by the service is larger than the size of the idle resource in the current transmission resource, the request may be rejected, and conversely, the request may be accepted.

The usage status of the transmission resource may be: the size of the idle transmission resource or the occupied transmission resource, or the size of the idle transmission resource, or the size of the occupied transmission resource. In the embodiment of the present invention, in the initial state, the transmission resource that can be managed by the AN or the C-RM by default is the entire transmission resource. After the user side first requests the transmission resource, and the AN accepts the resource request of the user side, the transmission resource that can be managed by the D-RM and the C-RM is deducted from the transmission resource occupied by the user side for performing the multicast service. The remaining free resources.

For the use of transmission resources, the AN can record the usage of each transmission locally, so that D-RM or C-RM can accurately and timely know the usage status of the current transmission resources.

Embodiment 1:

Referring to FIG. 6, FIG. 6 is a management flow of an AN to a transmission resource according to Embodiment 1 of the present invention. Cheng Tu. The process can include the following steps:

Step s601: The UE initiates a request to the AN to join the multicast group in the AN, and requests to occupy the transmission resource.

In the step s601, the request may be an IGMP protocol, and the AN obtains a required transmission resource corresponding to the multicast group by using a pre-configuration. The request may also be a high-level signaling, such as a session initiation protocol (SIP, Session Initiation Protocol). The information of the transmission resource required by the multicast service can be carried in the session description protocol (SDP) of the SIP bearer.

Step s602: After receiving the resource request for the transmission resource, the D-RM in the AN obtains the current usage status of the transmission resource, and performs resource admission control on the transmission resource required for the UE to perform the multicast service.

In this embodiment, the D-RM may obtain, according to the usage status of the transmission resource in the current access line, how many idle transmission resources are available in the transmission resource; compare the size of the idle transmission resource with the transmission resource requested by the UE. If the former is greater than or equal to the latter, it is determined that the resource request can be accepted, and the transmission resource occupied by the UE is deducted from the current idle resource; otherwise, the resource request may be rejected, in which case the current idle transmission may not be changed. The size of the resource. After the resource admission control, the AN can obtain the usage status of the transmission resource after the resource admission control is obtained locally. In the first embodiment, it is assumed that the available transmission resources are sufficient, and the AN accepts the resource request.

In the first embodiment, the usage status can be known from the local D-RM through the internal interface between the AN and the D-RM.

Step s603: The D-RM reserves the requested transmission resource for the multicast service, and then the AN performs a multicast replication operation, that is, uses the transmission resource to transmit the media stream to the UE.

Step s604: The D-RM calculates the size of the idle transmission resource in the transmission resource after the resource admission control, and reports the usage status of the transmission resource after the current resource admission control to the C-RM, and the process may end. The size of the resource, or may be the size of the transmission resource that has been occupied, or may be the amount of change of the idle transmission resource compared to the previous resource admission control, etc. Wait.

In the first embodiment, the execution order between step s603 and step s604 is adjustable. Embodiment 2:

Referring to FIG. 7, FIG. 7 is a flow chart of C-RM management transmission resources in Embodiment 2 of the present invention. The process can include the following steps:

Step s701: The AF sends a resource request to the C-RM to allocate a transmission resource for the unicast service.

Step s702: The C-RM performs resource admission control on the request of the AF according to the learned usage status of the current transmission resource.

In practical applications, for the current usage of transmission resources, C-RM can be learned in the following two ways:

One may be the use status of the transmission resource reported by the AN to the C-RM according to the embodiment of the present invention. The C-RM can learn the size of the idle resources in the current transmission resource according to the reporting.

The other may be that the C-RM can be known according to the usage status of the locally recorded transmission resources, and the processing can be similar to the existing related processing, and will not be described again.

The C-RM calculates the size of the current idle transmission resource according to the usage status of the transmission resource reported by the AN, that is, the transmission resource that can be managed by the C-RM is not the entire transmission resource, but deducts the transmission resource occupied by the multicast service. , the remaining idle transmission resources.

The C-RM may obtain the size of the transmission resource requested by the AF according to the unicast service related information carried in the request of the AF, and compare the idle transmission resource with the size of the transmission resource requested by the AF, if the former is greater than or equal to The latter accepts the resource request sent by the AF; otherwise, it rejects the resource request sent by the AF.

In the second embodiment, the resource request sent by the AF is accepted.

Step s703: After receiving the resource request, the C-RM sends an installation command to the AN requesting the AN to install the accepted transmission resource on the AN.

Step s704: After receiving the installation command of the C-RM, the AN requests the installed transmission resource according to the current usage status of the current transmission resource recorded by the AN. The source performs resource conflict detection. If the check passes, the transmission resource is installed; otherwise, the installation command is rejected.

In the second embodiment, the AN can calculate the size of the current idle transmission resource according to the current usage status of the transmission resource, and then compare the size of the current idle transmission resource with the size of the transmission resource required to be installed by the C-RM, if the former is greater than or If the latter is equal to the latter, the C-RM installation command is accepted, and the transmission resource accepted by the C-RM is installed on the AN, that is, the installation is successful, and the transmission resource to be installed is deducted from the idle resources existing before the installation is performed; otherwise , rejects the C-RM installation command, and thus does not change the size of the idle transmission resources that exist when the installation is refused.

In the second embodiment, the AN can know the usage status of the transmission resource at this time according to the control result, and the local D-RM can learn the usage status through the internal interface. Correspondingly, in the first embodiment of the present invention, if the AN receives the installation command of the C-RM before the step s602, and if the AN accepts the installation command, in step s602, when the D-RM performs the resource admission control, the obtained In the usage status of the transmission resource, the transmission resource available for D-RM management is an idle resource after deducting the transmission resource accepted by the C-RM.

The operation of the above-mentioned installation command and the operation of the AN to locally transmit the transmission resources may be similar to the related related art, and will not be described again.

Step s705: The AN sends the result of the installation to the C-RM through a response message corresponding to the installation command.

The result of the installation can be a successful installation or an installation failure. If the installation fails, it indicates that the transmission resource requested by the AF for performing the unicast service conflicts with the transmission resource of the user requesting the UE to perform the multicast service.

Step s706: After receiving the response message sent by the AN, the C-RM reserves the requested transmission resource for the unicast service if the installation is successful; otherwise, the resource request sent by the AF is further rejected, that is, the unicast service is not unicast. The transmission resource requested by the reservation is reserved. The unicast service fails to be deployed, and the C-RM sends a response message to the AF.

In the second embodiment, the C-RM can learn the usage status of the transmission resource by using the foregoing response message; if the installation is successful, the AN does not need to actively report the usage status of the transmission resource, and the C-RM receives the response message of the installation success. After being unicast The transmission resource occupied by the service is deducted from the idle resource in the locally recorded transmission resource, thereby enabling the C-RM to locally obtain the usage status of the transmission resource in the access line. For the case of installation failure, as shown in step s702, the C-RM will perform resource admission control according to the usage status of the transmission resource that is known at the time, and if the idle transmission resource is sufficient at the time, the C-RM accepts the resource request; If the usage status of the actual transmission resource changes, the AN returns the installation failure response to the C-RM. The C-RM can know that the usage status of the current transmission resource may have changed, and the change may have the D-RM receiving user side. The resource request is caused by the D-RM, and the D-RM will report the usage status of the changed transmission resource. After that, the C-RM will update the local record according to the usage status of the received transmission resource, and the subsequent record can be performed according to the updated record. Resource admission control.

In addition, if the previously occupied transmission resource is released, the D-RM can also report the current transmission resource usage status to the C-RM.

Based on the foregoing technical solution, the embodiment of the present invention further provides a resource management apparatus, which is used to manage transmission resources required for performing a multicast service, and may be an AN including a D-RM. Referring to FIG. 8, FIG. 8 is a schematic structural diagram of the resource management apparatus, where the resource management apparatus may include: a processing unit 810 and an upper unit 820;

The processing unit 810 is configured to perform resource admission control on the received resource request requesting the transmission resource, and obtain the usage status of the transmission resource after the resource admission control;

The reporting unit 820 is configured to report the usage status of the transmission resource after the resource admission control obtained by the obtaining unit to the central resource manager according to the preset reporting policy.

The processing unit 810 may include: a first resource management unit 811, an obtaining unit 812;

The first resource management unit 811 is configured to perform resource admission control on the received resource request for occupying the transmission resource;

The obtaining unit 812 is configured to obtain, after the first resource management unit 811 performs resource admission control, the usage status of the transmission resource after the resource admission control.

The obtaining unit 812 may include: a calculating unit 8121 and a recording unit 8122; wherein The calculating unit 8121 is configured to calculate a size change of the idle transmission resource or the occupied transmission resource after the resource admission control, or calculate a size of the idle transmission resource after the resource admission control, or calculate a size of the transmission resource that is occupied after the resource admission control;

The recording unit 8122 is configured to locally record the calculation result of the computing unit. The first resource management unit may include: a first calculating unit 8111, a first receiving unit 8112;

The first calculating unit 8111 is configured to calculate a size of the current idle transmission resource. The first receiving unit 8112 is configured to compare the size of the transmission resource occupied by the request with the size of the idle resource. If the former is less than or equal to the latter, the resource request is accepted. ; Otherwise, the resource request is denied.

The above processing unit 810 and upper unit 820 may be disposed on the D-RM.

The resource management device may further include:

The resource processing unit 830 is configured to: according to the admission result of the first resource management unit 811, that is, if the admission result of the first resource management unit 811 is an admission resource request, the resource processing unit 830 deducts the occupied transmission resource from the current idle resource. Or, if the first resource management unit 811 accepts the result as rejecting the resource request, the resource processing unit 830 does not change the size of the current idle transmission resource.

The resource management device may further include:

The installation processing unit 840 is configured to receive an installation command sent by the C-RM to request the installation of the transmission resource accepted by the C-RM; perform resource conflict detection on the transmission resource required to be installed in the installation command, and if the check passes, install The transmission resource; otherwise, returning a response to the C-RM rejecting the installation command;

The resource processing unit 830 is further operable to, according to the installation result of the installation processing unit 840, that is, if the installation result of the installation processing unit 840 is to install the transmission resource, the resource processing unit 830 will install the transmission resource from the idle resource existing before the installation is performed. Or deducted; or, if the installation result of the installation processing unit 840 is a rejection of the installation command, the installation processing unit 840 does not change the size of the idle transmission resource that exists when the installation is refused.

The resource processing unit 830 and the installation processing unit 840 described above may be disposed on the AN. The embodiment of the present invention further provides a resource manager, which may be a C-RM in the foregoing embodiment of the present invention, for managing a transmission resource required for performing a unicast service. Referring to FIG. 9, FIG. 9 is a schematic structural diagram of the resource manager, where the resource manager may include: an advertisement receiving unit 910, a second resource management unit 920, where the advertisement receiving unit 910 is configured to receive resources reported by the resource management apparatus. Acceptance of the use of transmission resources after control;

The second resource management unit 920 performs resource admission control on the received resource request for allocating transmission resources according to the usage status received by the advertisement receiving unit 910.

The second resource management unit 920 may include: a second calculating unit 921 and a second receiving unit 922;

The second calculating unit 921 is configured to calculate a size of the current idle resource according to the usage status received by the notification receiving unit 910;

The second receiving unit 922 is configured to compare the transmission resource required to be allocated with the size of the idle resource calculated by the computing unit, and if the former is less than or equal to the latter, accept the resource request; otherwise, reject the resource request.

The resource manager may further include: a control unit 930, a response processing unit 940; wherein

The control unit 930 is configured to: after the second receiving unit 922 receives the resource request, send an installation command for installing the accepted transmission resource to the resource management device; and the response processing unit 940 is configured to receive the corresponding response sent by the resource management device. Responding to the installation command, if the response is successful, reserving the installed transmission resource, such as recording the installed transmission resource as used; otherwise, requesting the sender of the resource, such as AF, returning the rejection The response to the resource request.

The embodiment of the present invention further provides a resource management system. The structure of the system can be seen in FIG. 10 , and the implementation diagram of the system can participate in FIG. 3 . The system may include the resource management device 1001 shown in FIG. 8 above and the resource manager 1002 shown in FIG. 9, and a UE 1003 for transmitting a resource request requesting to occupy a transmission resource, and a resource request for transmitting a request to allocate a transmission resource. AF1004. In summary, in the above technical solution provided by the embodiment of the present invention, in order to prevent the resource resource conflicts of the transmission resources managed by the two resource managers, the D-RM can obtain the usage status of the transmission resource locally, and The usage status of the transmission resource is reported to the C-RM. According to the received report, the C-RM can know the usage status of the current transmission resource, and then, according to the resource usage request of the current transmission resource, when the resource request of the unicast service is subsequently processed. Resource admission control for the transmission resources requested by the unicast service. Moreover, in the case of not dividing the user's transmission resources, the unicast service and the multicast service share the transmission resources of the user, the C-RM is still used to manage the transmission resources required for the unicast service, and the D-RM is used to manage the multicast service. The required transmission resources, correspondingly reduce the performance requirements for the AN containing D-RM. With the resource management scheme of the embodiment of the present invention, it is also possible to determine a resource conflict in the AN and avoid excessive line resource reservation by returning the installation failure. Therefore, the technical solution of the embodiment of the present invention can solve the problem of transmission resource conflict that may occur when a single multicast service is performed.

In addition, in the embodiment of the present invention, the C-RM management process for the transmission resources required for the unicast service can be implemented based on the existing unicast resource admission process, and thus the implementation is simple. In the embodiment of the present invention, the transmission resources required for the multicast service are still managed by the D-RM set on the AN, so that the channel can be quickly switched. Moreover, in the embodiment of the present invention, no additional requirements are imposed on the AN, and therefore, the implementation of the AN is simple.

In addition, in various embodiments of the present invention, the resource request for occupying the transmission resource is a resource request received on the D-RM, and the resource request for allocating the transmission resource is a resource request received on the C-RM. A resource request may be any one of a resource request of a multicast service and a resource request of a unicast service.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention. The above is only the process and method embodiments of the embodiments of the present invention, and is not intended to limit the embodiments of the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the embodiments of the present invention, are It should be included in the scope of protection of the embodiments of the present invention.

Claims

Rights request

A resource management method, characterized in that it comprises:

2. The method according to claim 1, wherein the usage status of the transmission resource after the resource admission control comprises:

The size of the idle transmission resource or the occupied transmission resource after the resource admission control, or the size of the idle transmission resource after the resource admission control, or the size of the transmission resource occupied after the resource admission control;

The steps of obtaining the usage status of the transmission resource include:

The amount of change of the idle transmission resource or the occupied transmission resource after the resource admission control is calculated, or the size of the idle transmission resource after the resource admission control is calculated, or the size of the transmission resource occupied after the resource admission control is calculated.

3. The method according to claim 2, wherein the method further comprises:

The installation command sent by the receiving center resource manager to request the transmission resource accepted by the installation center resource manager;

Performing resource conflict detection on the transmission resource required to be installed in the installation command. If the check is passed, the transmission resource is installed, and the transmission resource to be installed is deducted from the idle resource existing before the installation is performed; otherwise, the installation command is rejected. The size of the idle transport resources that existed when the installation was refused is not changed.

The method according to any one of claims 1 to 3, wherein the reporting policy comprises:

After accepting or rejecting a resource request, the resource is admitted to control the use of the transmitted resource. The status is reported to the central resource manager; or,

After the resource request is accepted, the usage status of the transmission resource after the resource admission control is reported to the central resource manager; or

Regularly report the usage status of the transmission resources after the resource admission control.

The method according to any one of claims 1 to 3, wherein the resource request for occupying a transmission resource is a resource request of a multicast service, and the received resource request for occupying the transmission resource is requested. The steps of performing resource admission control are: performing resource admission control on resource requests of the received multicast service;

The resource request for allocating the transmission resource is a resource request of the unicast service, and the step of performing resource admission control on the received resource request for allocating the transmission resource is: performing resource for the resource request of the received unicast service Admission control.

A resource management device, comprising: a processing unit and a reporting unit; wherein

The resource management device according to claim 6, wherein the processing unit comprises: a first resource management unit, an obtaining unit;

a first resource management unit, configured to perform resource admission control on the received resource request for occupying the transmission resource;

And an obtaining unit, configured to obtain, after the resource admission control by the first resource management unit, the usage status of the transmission resource after the resource admission control.

The resource management device according to claim 7, wherein the obtaining unit comprises: a calculating unit and a recording unit;

a calculation unit, configured to calculate a size change of the idle transmission resource or the occupied transmission resource after the resource admission control, or calculate a size of the idle transmission resource after the resource admission control, or calculate a size of the transmission resource that is occupied after the resource admission control; a recording unit, configured to locally record the calculation result of the computing unit.

The resource management device according to claim 6, wherein the resource management device further comprises: a resource processing unit, wherein

If the admission result of the first resource management unit is an admission resource request, the resource processing unit deducts the occupied transmission resource from the current idle resource;

If the admission result of the first resource management unit is a denial of resource request, the resource processing unit does not change the size of the current idle transmission resource.

The resource management device according to claim 9, wherein the resource management device further comprises: an installation processing unit, wherein

The installation processing unit is configured to receive an installation command sent by the central resource manager and require the installation resource manager to receive the transmission resource; perform resource conflict detection on the transmission resource required to be installed in the installation command, if the check is passed , then install the transport resource; otherwise, return a response to the central resource manager rejecting the install command;

The resource processing unit is further configured to: if the installation processing unit installs a transmission resource, the resource processing unit deducts the installed transmission resource from an idle resource existing before performing the installation; or, if the installation processing unit The installation command is rejected, and the resource processing unit does not change the size of the idle transmission resource that exists when the installation is refused.

11. A resource management method, characterized in that:

Receiving the use status of the transmission resource after the resource admission control reported by the resource management device;

The method according to claim 11, wherein the usage status of the transmission resource after the resource admission control is a usage status of the transmission resource after the multicast admission control; and the resource request for allocating the transmission resource is a unicast Resource request for the business;

Resource admission control for receiving resource requests for allocating transmission resources The steps include: performing resource admission control on the resource request of the received unicast service.

The method according to claim 12, wherein the step of performing resource admission control on the received resource request for allocating transmission resources according to the usage status comprises:

Calculating the size of the current idle resource according to the usage status;

Comparing the required transmission resource with the size of the idle resource, if the former is less than or equal to the latter, the resource request is accepted; otherwise, the resource request is rejected.

The method according to any one of claims 11 to 13, wherein the usage status of the transmission resource comprises:

The size of the idle transmission resource or the occupied transmission resource, or the size of the idle transmission resource, or the size of the occupied transmission resource.

A resource manager, comprising: an advertisement receiving unit and a second resource management unit; wherein

An advertisement receiving unit, configured to receive a usage status of the transmission resource reported by the resource management device;

The resource manager according to claim 15, wherein the second resource management unit comprises: a second calculating unit and a second receiving unit, wherein the second calculating unit is configured to receive according to the notification receiving unit Calculating the current idle resource size according to the usage status;

And a second receiving unit, configured to compare the transmission resource required to be allocated with the size of the idle resource calculated by the computing unit, and if the former is less than or equal to the latter, accept the resource request; otherwise, reject the resource request.

The resource manager according to claim 16, wherein the resource manager further comprises: a control unit, a response processing unit;

a control unit, configured to send, after the receiving unit receives the resource request, an installation command that requests the installation of the received transmission resource to the resource management device;

a response processing unit, configured to receive, by the resource management device, corresponding to the security The response of the loaded command, if the response is successful, reserves the installed transmission resource; otherwise, returns a response to the resource request sender rejecting the resource request.

18. A resource management system, comprising: a resource management device and a resource manager; wherein

The reporting unit is configured to report, to the resource manager, the usage status of the transmission resource after the resource acquisition control of the acquisition unit is obtained according to the preset reporting policy;