WO2016095535A1 - 资源分配方法、装置和服务器 - Google Patents

资源分配方法、装置和服务器 Download PDF

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WO2016095535A1
WO2016095535A1 PCT/CN2015/086052 CN2015086052W WO2016095535A1 WO 2016095535 A1 WO2016095535 A1 WO 2016095535A1 CN 2015086052 W CN2015086052 W CN 2015086052W WO 2016095535 A1 WO2016095535 A1 WO 2016095535A1
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resource
domain
resources
indication information
occupied
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PCT/CN2015/086052
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English (en)
French (fr)
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周智伟
刘磊
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中兴通讯股份有限公司
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  • the present invention relates to the field of cloud platforms, and in particular, to a resource allocation method, apparatus, and server.
  • NFV-MANO NFV Management and Orchestration domain
  • NFVO Network Functions Virtualization Orchestrator
  • VNFM Virtualized Network Function Manager
  • FIG. 1 is a flow chart of the allocation of VNF network resources in the NFV-MANO specification.
  • VNF virtualized network function
  • FIG. 1 when the instance VNF or the VNF itself performs an elastic action, the VNFM to which the VNF belongs receives the operation request, and then calculates first. The resource size required for the action, then, the VNFM requests the NFVO to allocate resources.
  • the NFVO If the resource allocation is successful, the NFVO returns the resource to the VNFM, and the VNFM uses the allocated resource to operate. Otherwise, the VNFM fails to perform the operation.
  • NFVO will have a management bottleneck in resource control and management, and it is easy to cause a single point of failure due to NFVO problems, resulting in problems in resource adjustment of VNF.
  • the decision path passes through VNF.
  • VNFM from VNFM to NFVO, has a long line and a long processing time, resulting in longer network deployment or elastic scaling.
  • the network device resources and the business software are separated, and the use rights of the resources required by the business software need to be limited, and the use of the resources needs to be better regulated.
  • the resources are in the management process, and the user can use the user only after obtaining the license and the manager allocates the resources to the user. When the resource usage exceeds the limit, you need to obtain the resource after you apply to the resource administrator to use the resource.
  • the embodiment of the invention provides a resource allocation method, device and router, so as to at least solve the technical problem that the NFVO resource allocation load is large and the resource allocation efficiency is not high in the virtualization automatic deployment process of the telecommunication network in the related art.
  • a resource allocation method including: receiving a request signal of a service, where the request signal carries indication information for indicating a resource required for the service, and obtaining the indication information from the preset domain.
  • the pre-empted resource is used to store the pre-empted resource of the service, and the pre-emptive resource is allocated for the service.
  • the method before the pre-occupied resource that meets the resource indicated by the indication information is obtained from the preset domain, the method further includes: pre-occupying the idle resource to obtain the pre-occupied resource; and storing the obtained pre-occupied resource in the pre-preemption resource Set the domain.
  • the preset domain includes: an administrative domain and an associated domain that shares resources with the management domain.
  • acquiring the pre-occupied resource that meets the resource indicated by the indication information from the preset domain includes: searching for a pre-occupied resource that satisfies the resource indicated by the indication information from the management domain, and finding a satisfaction indication in the slave management domain.
  • the pre-emptive resource is obtained from the management domain.
  • acquiring the pre-occupied resource that meets the resource indicated by the indication information from the preset domain includes: if the pre-occupied resource that meets the resource indicated by the indication information is not found in the management domain, the association is performed. If the pre-occupied resource that meets the resource indicated by the indication information is found in the domain, the pre-empted resource indicating the resource indicated by the indication information is obtained from the association domain. .
  • the foregoing method is applied to the following environment: a virtualized automatic deployment process of a telecommunication network.
  • the method further includes: if the pre-empted resource is not obtained from the preset domain, orchestrating the NFVO application resource to the network function virtualization in the virtualized automatic deployment process of the telecommunication network.
  • a resource allocation apparatus including: a receiving module, configured to receive a request signal for a service, where the request signal carries indication information for indicating a resource required for the service, an acquiring module, and setting The pre-occupied resource that meets the resource indicated by the indication information is obtained from the preset domain, where the preset domain is used to store the pre-occupied resource of the service, and the allocation module is configured to allocate the pre-occupied resource for the service.
  • the acquiring module is configured to acquire the camp-on resources from the following preset domains: an administrative domain and an associated domain that shares resources with the management domain.
  • the obtaining module includes: a first searching unit, configured to search from the management domain And the first acquiring unit is configured to acquire the camp-on resource from the management domain when the pre-empted resource that meets the resource indicated by the indication information is found in the management domain.
  • the acquiring module further includes: a second searching unit, configured to: if the pre-empted resource that indicates the indication resource is not found in the management domain, And the second acquiring unit is configured to: when the pre-occupied resource indicating the resource indicated by the indication information is found in the associated domain, obtain the pre-occupied resource indicating the resource indicated by the information .
  • the foregoing apparatus is applied to the following environment: a virtualized automatic deployment process of a telecommunication network.
  • a server comprising the apparatus of any of the above.
  • the request signal of the service is received, and the request signal carries the indication information for indicating the resources required for the service, and the pre-occupied resource that meets the resource indicated by the indication information is obtained from the preset domain, where the preset domain is
  • the pre-occupied resource used for the storage service allocates pre-occupied resources to the service, and solves the problem that the NFVO resource allocation load is large and the resource allocation efficiency is not high in the process of virtualized automatic deployment of the telecommunication network in the related technology, and the problem is improved.
  • the efficiency of telecommunication network resource allocation under virtual technology is provided.
  • Figure 1 is a flow chart of the allocation of VNF network resources in the NFV-MANO specification
  • FIG. 2 is a flowchart of a resource allocation method according to an embodiment of the present invention.
  • FIG. 3 is a structural block diagram of a resource allocation apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing a preferred structure of a resource allocation device in accordance with a preferred embodiment of the present invention.
  • Figure 5 is a block diagram showing another preferred structure of a resource allocation device in accordance with a preferred embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a server according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram showing a domain structure of a resource allocation method according to a preferred embodiment 1 of the present invention.
  • FIG. 8 is a schematic structural diagram of a domain control method of a resource allocation method according to a preferred embodiment 2 of the present invention.
  • FIG. 9 is a flow chart of a resource allocation method according to a preferred embodiment 3 of the present invention.
  • FIG. 2 is a flowchart of a resource allocation method according to an embodiment of the present invention, as shown in FIG. The process includes the following steps:
  • Step S202 receiving a request signal of a service, where the request signal carries indication information for indicating resources required for the service;
  • step S204 the pre-empted resource that meets the resource indicated by the indication information is obtained from the preset domain, where the preset domain is used to store the pre-occupied resource of the service;
  • Step S206 allocating resources for the service.
  • the request signal for receiving the service may include: NFVO instantiating a VNF operation or when the VNF itself needs to trigger an elastic scaling adjustment;
  • the preempted resources satisfying the resources indicated by the indication information are acquired from the preset domain of the pre-empted resources for storing the service, and the pre-empted resources are allocated for the service, the application to the NFVO is fundamentally avoided.
  • the NFVO load caused by resources is large, and since the allocated resources are reserved, the efficiency of resource allocation of the telecommunication network under the virtual technology can be improved.
  • Step S203 Perform centralized pre-occupancy of the idle resources to obtain the pre-empted resources; and store the obtained pre-empted resources in the preset domain.
  • Step S203 Perform centralized pre-occupancy of the idle resources to obtain the pre-empted resources; and store the obtained pre-empted resources in the preset domain.
  • Pre-emption of resources is used to pre-process resources and reduce the stress load of NFVO resource allocation.
  • the VNFM resource control module (functioning with the resource allocation device 61 described above) stores the pre-occupancy of the VNF resources managed under it. VNFM will centrally pre-occupy the resources when the instantiation is successful, and register the occupied data on the NFVO.
  • the VNF sends the resource request to the VNFM resource control module, and the VNFM resource control module performs the first resource adjustment check. If the applied resource is within the pre-occupied resource range, The VNFM directly triggers the elastic scaling, and does not need to apply for resources to the VNFO, effectively shortening the resource application process and improving the network adjustment speed.
  • the foregoing preset domain includes: an administrative domain and an associated domain that shares resources with the management domain.
  • the above-mentioned preset domain is a resource management domain, each domain has its own resource preemption, and all VNF resources in the domain apply to the administrative domain to apply for It is assigned and managed.
  • NFVO no longer manages the real occupancy of all VNFs in real time. Only when NFVO needs to be managed, it queries all management domains for all resources in the domain. By forming associated domains, the management domain shares resources in the associated domains and effectively improves. Utilization of resources.
  • the principle of resource allocation in the associated domain is that the sum of all pre-occupied resources of all administrative domains cannot be exceeded.
  • the implementation manner of the step S204 is multiple.
  • the preset domain includes the foregoing management domain and the foregoing management domain
  • the following processing procedure may be implemented, but is not limited thereto:
  • Step S2041 Find, from the management domain, whether there is a camp-on resource that satisfies the resource indicated by the indication information;
  • Step S2043 If the pre-occupied resource that satisfies the resource indicated by the indication information is found in the management domain, the pre-occupied resource is obtained from the management domain.
  • the VNF when the VNF self-resource needs to trigger the elastic scaling adjustment, the VNF sends the resource application to the management domain, and the management domain performs the first resource adjustment check if the applied resource is pre-occupied.
  • the VNFM directly triggers elastic scaling. It does not need to apply for resources to the VNFO, and directly obtains the reserved resources from the management domain, effectively shortening the resource application process and improving the network adjustment speed.
  • step S2041 the following processing may also be performed:
  • step S2045 if it is found in the management domain that there is no pre-occupied resource that satisfies the resource indicated by the indication information, it is searched from the associated domain whether there is a pre-occupied resource that satisfies the resource indicated by the indication information;
  • Step S2047 If the pre-occupied resource that meets the resource indicated by the indication information is found in the associated domain, the pre-empted resource indicating the resource indicated by the information is obtained from the associated domain.
  • the management domain applies for resource allocation to other management domains of the associated domain, and the preset domain of the method implements the telecommunication network under the virtualization technology.
  • Resource control improve the rapid deployment of telecommunication networks, reduce the failure rate, and make effective use of resources.
  • the above method is applied to the following environment: a virtualized automatic deployment process of a telecommunications network.
  • the above method is applicable to resource allocation of telecommunication devices under virtualization technology. Specifically, when the telecommunication network is deployed and elastically scaled on the virtual cloud platform, the method can quickly allocate resources required for deployment, and improve resource allocation ratio, resource utilization, and efficient management of resources through the domain control method to adapt The need for rapid deployment of telecommunications networks under virtualization technology.
  • the method further includes:
  • Step S205 in the case that the camp-on resource is not acquired from the preset domain, to the telecommunication network Virtualization of the network function during the virtual deployment process to orchestrate NFVO application resources.
  • step S205 if the pre-emption resources in the association and the middle are still not satisfied, the resource re-allocation is applied to the NFVO.
  • the NFVO After the resource allocation decision on the NFVO, the NFVO sends the resource allocation result to the management domain, and then the management domain allocates the resource to the VNF, and the NFVO distributes the resource allocation result to the management domain of the other associated domain.
  • the request signal of the service is received by the foregoing method, where the request signal carries the indication information for indicating the resource required for the service, and the pre-occupied resource that meets the resource indicated by the indication information is obtained from the preset domain, where the preset The domain is used to store the pre-empted resources of the service, and allocates pre-emptive resources for the service. It solves the problems encountered when applying for resources in the automatic deployment and elastic scaling of the telecommunication network on the cloud platform, improves the application efficiency of telecommunication equipment resources, and reduces the deployment time of the telecommunication network. Improve the overall utilization of telecommunications equipment resources and achieve effective management of telecommunications equipment resources.
  • a resource allocation device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 3 is a structural block diagram of a resource allocation apparatus according to an embodiment of the present invention.
  • the apparatus may be a server, but is not limited thereto.
  • the apparatus includes: a receiving module 31, an obtaining module 33, and an allocating module 35. The device will be described below.
  • the receiving module 31 is configured to receive a request signal for the service, where the request signal carries the indication information for indicating the resource occupation required by the service, and the obtaining module 33 is connected to the receiving module 31, and is configured to obtain the indication information from the preset domain.
  • the pre-empted resource of the resource is indicated, wherein the preset domain is used to store the pre-occupied resource of the service, and the allocating module 35 is connected to the obtaining module 33 and configured to allocate the pre-occupied resource for the service.
  • the receiving module 31 receives the request signal of the service, and the request signal carries the indication information for indicating the resource required for the service, and the acquiring module 33 obtains the pre-occupied resource that meets the resource indicated by the indication information from the preset domain.
  • the preset domain is used to store the pre-occupied resources of the service, and the allocation module 35 allocates the pre-occupied resources to the service, which solves the problem that the NFVO resource allocation load is large and the resource allocation efficiency is high during the virtualization automatic deployment process of the telecommunication network in the related technology.
  • the low technical problem has improved the efficiency of resource allocation of telecommunication networks under virtual technology.
  • the preset domain includes: an administrative domain and an associated domain that shares resources with the management domain.
  • each administrative domain may correspond to a tenant group.
  • the above preset domain defines the concept of multiple VNFMs under the NFVO as the domain of the resource.
  • Each domain has its own resource preemption. All VNF resources in the domain apply to the management domain and apply for it. Distribution and management.
  • NFVO no longer manages the real occupancy of all VNFs in real time, only When NFVO needs to be managed, all the resources in the domain are queried to each management domain. By forming an association domain, the management domain shares the resources in the associated domain and effectively improves the utilization of resources.
  • the principle of resource allocation in the associated domain is that the sum of all pre-occupied resources of all administrative domains cannot be exceeded.
  • the associated domain can be understood as a domain that shares resources with the management domain (which can be other management domains), which effectively improves resource utilization.
  • the principle of resource allocation in the associated domain is that the sum of all the pre-emptive resources of all the management domains cannot be exceeded.
  • FIG. 4 is a block diagram of a preferred structure of a resource allocation apparatus according to a preferred embodiment of the present invention.
  • the apparatus may be a server, but is not limited thereto.
  • the apparatus includes all the structures shown in FIG. It also includes a first search unit 41 and a first acquisition unit 43, which will be described below.
  • the first searching unit 41 is configured to search for a pre-empted resource that satisfies the resource indicated by the indication information from the management domain, and the first obtaining unit 43 is connected to the first searching unit 41, and is configured to find the presence in the slave management domain. If the preempted resource of the resource indicated by the indication information is satisfied, the preempted resource is obtained from the management domain.
  • the VNF when the VNF self-resource needs to trigger the elastic scaling adjustment, the VNF sends a resource request to the management domain through the first searching unit 41, and the management domain performs the first resource adjustment check, if the applied resource is before In the pre-occupied resource range, the VNFM directly triggers the elastic scaling, and does not need to apply for resources to the VNFO.
  • the first acquiring unit 43 directly obtains the pre-occupied resources from the management domain, effectively shortens the resource application process, and improves network adjustment. speed.
  • FIG. 5 is a block diagram of another preferred structure of a resource allocation apparatus according to a preferred embodiment of the present invention.
  • the apparatus may be an application router, but is not limited thereto.
  • the apparatus includes a partial structure shown in FIG.
  • the acquisition module 33 further includes a second search unit 51 and a second acquisition unit 53, which are described below.
  • the second searching unit 51 is connected to the first searching unit 41, and is configured to, if it is found in the management domain that there is no preempting resource indicating that the indication information indicates the resource, search for the presence or absence of the indication information from the associated domain. Instructing the pre-occupied resource of the resource, the second obtaining unit 53 is connected to the second searching unit 51, and is configured to, when the pre-occupied resource that meets the resource indicated by the indication information is found in the associated domain, Then, the pre-emptive resource indicating the resource indicated by the information is obtained from the associated domain.
  • the management domain applies for resource allocation to other management domains of the associated domain through the second searching unit 51 and the second obtaining unit 53, the preset of the device
  • the domain implements the control of the telecommunication network resources under the virtualization technology, improves the rapid deployment of the telecommunication network, reduces the failure rate, and enables the resources to be effectively utilized.
  • the foregoing apparatus may be applied to the following environment: a virtualized automatic deployment process of a telecommunication network.
  • the above device is suitable for resource allocation of telecommunication devices under virtualization technology. Specifically, when the telecommunication network is deployed and flexibly deployed on the virtual cloud platform, the device can quickly allocate resources required for deployment, and improve resource allocation ratio, resource utilization, and efficient management of resources through the domain control method to adapt The need for rapid deployment of telecommunications networks under virtualization technology.
  • FIG. 6 is a structural block diagram of a server according to an embodiment of the present invention. As shown in FIG. 6, the server 600 includes the resource allocating device 61 of any of the above.
  • the resource allocation process when the telecommunication network is automatically deployed under the virtualization technology includes the following steps:
  • step S1 the tenant a instantiates the VNF on the NFVO, and the VNF belongs to the VNFM_1.
  • step S2 the tenant a belongs to the management domain A.
  • the management domain A checks whether the resources required for the instantiation exceed its resource preemption. If not, the resource is allocated and the VNF is started to be instantiated. Otherwise, the continuation is continued.
  • step S3 the tenant a belongs to the management domain A, and the management domain A applies for resource allocation to its associated domain. After the allocation is successful, the instantiation of the VNF is started, otherwise, the process continues.
  • step S4 if the management domain A fails to allocate resources, it needs to apply for resources to the NFVO. After the NFVO allocates the resources, the VNF is instantiated. Otherwise, the instantiation fails.
  • the user and the distributor of the resource can be effectively separated by the domain division method, and the user cannot use resources to allocate resources actively, which is for the tenant user; the management of the resource is unified and the manager is responsible for management.
  • the management domain users responsible for the allocation and application of resources, called management domain users; tenants can not apply for resources to NFVO even if resources are insufficient, the application and allocation of resources are unified by the manager, and the domain-based method can realize effective management of resources;
  • the management domain constitutes an association domain, which realizes resource sharing, rationally utilizes idle resources, and improves resource utilization. When one of the management domain resources is insufficient, resources of other management domains are idle, and resources in the associated domain are shared only when the domain is associated.
  • Resources can be applied to NFVO when resources are not met; each management domain will perform resource preemption and allocate pre-occupied resources to tenants. Therefore, when tenants use resources, they do not need to allocate resources to NFVO every time, reducing NFVO. Resource allocation load, while also reducing the resource allocation processing time period, making the telecommunication network Network deployment and elastic scaling can be done more quickly.
  • the invention can better manage the telecommunication network resources, process the associated domain, improve the utilization of resources, allocate resources reasonably, and preempt the resources.
  • the resource allocation period is reduced, and the telecommunication network deployment and the flexible expansion time are improved.
  • FIG. 7 is a schematic diagram of a domain structure of a resource allocation method according to a preferred embodiment 1 of the present invention. As shown in FIG. 7, the structure diagram includes:
  • Tenant domain 701 Multiple VNFs are divided into one tenant domain. When users in the tenant domain are deployed on the network or elastically scalable, the user will apply for resources to the user of the administrative domain to which the user belongs. After applying for the resource, the tenant performs network deployment or elastic scalability resources. The application, distribution, etc. are handled by the administrative domain user, and the tenant is only responsible for using the resources.
  • the management domain 702 one or more VNFMs are divided into one management domain, and the management domain user is responsible for managing the resources occupied by the VNF.
  • the tenant applies for resources, it is responsible for allocating to the tenant, and when the resources are insufficient, the user belongs to the management domain.
  • the associated domain applies for resources and the resources in the associated domain are insufficient, the NFVO is applied for resources, and the acquired resources are allocated to the tenant for use.
  • the associated domain 703 the multiple administrative domains form an associated domain.
  • the administrative domain user in the associated domain fails to apply for the resource to the administrative domain, the administrative domain user applies for the resource to the associated domain and allocates the applied resource to Tenant.
  • FIG. 8 is a schematic structural diagram of a domain control method of a resource allocation method according to a preferred embodiment 2 of the present invention. As shown in FIG. 8, the schematic diagram includes:
  • Role Management Module 801 This module is implemented by NFVO. The operator needs to register the management domain user, tenant user and associated domain on the NFVO.
  • the resource control module 802 (functions the same as the resource allocation device 61): The module is implemented by the VNFM. When the tenant applies for a resource, the VNFM resource control module is responsible for checking whether the pre-occupied resource meets the requirements. If not, the user broadcasts to the user in the associated domain.
  • the resource application when receiving the response, selects a VNFM response, accepts the resource allocation, and assigns it to the tenant to use; meanwhile, the VNFM is responsible for responding to the resource request request of other VNFMs in the management domain, and allocating resources to the user; If it is unsatisfiable, VNFM will apply for resources from NFVO, and after applying for resources, apply for and preempt the other VNFM broadcast resources in the associated domain.
  • FIG. 9 is a flowchart of a resource allocation method according to a preferred embodiment 3 of the present invention, as shown in FIG. The method of the present invention will be described with reference to FIG. 9. The following two examples respectively describe the implementation flow of the resource control of the instantiated VNF and VNF in the elastic stretching process.
  • the tenant A belongs to the domain management domain L, and the management domain L belongs to the associated domain G.
  • the specific method is as follows:
  • step 901 the tenant A performs the instantiation VNF operation or when the VNF (the tenant domain tenant of the VNF is the tenant A, the VNF belongs to the VNFM_1) needs to trigger the elastic scaling adjustment, and requests the resource to the management domain L, if the management domain L Check whether the resources that it preempts meet the requirements. If yes, go to step 906. Otherwise, continue.
  • Step 902 When the management domain L applies for a resource, if the resource that the self-occupied resource does not meet the requirement, the management domain L broadcasts a resource application message to all other management domains in the associated domain G.
  • Step 903 After more than one management domain responds to the request, the management domain L selects a response resource, and performs step 906, otherwise, continues;
  • Step 904 When the application for the resource to the management domain G fails, the management domain L applies for the resource to the NFVO to which it belongs.
  • Step 905 NFVO returns a resource application result, and if the application fails, the tenant A operation fails, and if successful, continues;
  • Step 906 The tenant A obtains the required resources, starts to instantiate the VNF or adjusts the flexibility, and the tenant A's resource application ends.
  • a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the technical solution provided by the embodiment of the present invention may be applied to resource allocation, and the request signal carries the indication information used to indicate the resource required for the service, and the resource indicated by the indication information is obtained from the preset domain.
  • Pre-emptive resources wherein the preset domain is used to store the pre-emptive resources of the service, and the pre-emptive resources are allocated for the service, which solves the problem that the NFVO resource allocation load is large and the resource allocation efficiency is high during the automatic deployment process of the telecommunication network in the related technology.
  • the problem of low technology has improved the efficiency of resource allocation in telecommunication networks under virtual technology.

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Abstract

本发明公开了一种资源分配方法、装置和服务器，其中，该方法包括：接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，为业务分配预占资源。通过本发明，解决了相关技术中电信网络的虚拟化自动部署过程中NFVO资源分配负荷较大，资源分配效率不高的技术的问题。

Description

资源分配方法、装置和服务器 技术领域
本发明涉及云平台领域，具体而言，涉及一种资源分配方法、装置和服务器。
背景技术
根据欧洲电信标准化协会(European Telecommunications Standards Institute，简称为ETSI)规范要求，在网路功能虚拟化管理与协调流程(NFV Management and Orchestration，简称为NFV-MANO)域定义一套自动化部署规范，实现一套虚拟化应用部署流程和架构。在这个架构中，网络功能虚拟化编排(Network Functions Virtualization Orchestrator，简称为NFVO)负责整个虚拟化管理平台内的资源管理和调度，虚拟化网络功能管理(Virtualized Network Function Manager，简称为VNFM)负责虚拟网络功能的生命周期管理。
在电信网络的虚拟化自动部署过程中，资源分配是一个重要的环节，按照NFV-MANO规范要求，当在实例化虚拟化网络功能(Virtualized Network Function，简称为VNF)或者VNF发现自身资源需要触发弹性伸缩调整，需要到NFVO上申请资源重新分配。例如，图1为NFV-MANO规范中VNF网络资源的分配流程图，如图1所示，在实例VNF或者VNF自身发生弹性动作时，VNF所归属的VNFM再接收到操作请求后，会首先计算该动作所需资源大小，然后，VNFM向NFVO申请分配资源，若是资源分配成功，NFVO将资源返回给VNFM，VNFM使用分配到的资源进行操作，否则，VNFM执行操作失败。这样的资源分配方式，当VNF数量较多，NFVO在资源控制和管理上会出现管理瓶颈，也容易由于NFVO出现问题引发单点故障，导致VNF进行资源调整出现问题，同时，决策路径经过VNF到VNFM，由VNFM再到NFVO，线路较长，处理时间周期会变长，导致网络部署或者弹性伸缩时间变长。另外，网络功能虚拟化后，网络设备资源和业务软件是分离的，业务软件所需资源的使用权限需要限制，需要更好的规范资源的使用。网络功能虚拟化技术下，资源在管理过程中，用户只有在获得许可，并由管理者分配资源给用户后，用户才可以使用。当资源使用超出限制时，需要向资源管理员申请后，获取到资源，才能使用资源。
针对相关技术中虚拟技术下电信网络资源分配不能满足需求的问题，目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种资源分配方法、装置和路由器，以至少解决相关技术中电信网络的虚拟化自动部署过程中NFVO资源分配负荷较大，资源分配效率不高的技术问题。
根据本发明的一个实施例，提供了一种资源分配方法，包括：接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，为业务分配预占资源。
在本发明实施例中，从预设域中获取满足指示信息所指示资源的预占资源之前，还包括：对空闲资源进行集中预占用，得到预占资源；将得到的预占资源存储在预设域中。
在本发明实施例中，预设域包括：管理域和与管理域共享资源的关联域。
在本发明实施例中，从预设域中获取满足指示信息所指示资源的预占资源包括：从管理域中查找满足指示信息所指示资源的预占资源，在从管理域中查找到满足指示信息所指示资源的预占资源的情况下，则从管理域中获取预占资源。
在本发明实施例中，从预设域中获取满足指示信息所指示资源的预占资源包括：在从管理域中未查找到满足指示信息所指示资源的预占资源的情况下，则从关联域中查找满足指示信息所指示资源的预占资源，在从关联域中查找到满足指示信息所指示资源的预占资源的情况下，则从关联域中获取指示信息所指示资源的预占资源。
在本发明实施例中，上述方法应用于以下环境中：电信网络的虚拟化自动部署过程。
在本发明实施例中，上述方法还包括：在未从预设域中获取到所述预占资源的情况下，向电信网络的虚拟化自动部署过程中的网络功能虚拟化编排NFVO申请资源。
根据本发明的另一个实施例，提供了一种资源分配装置，包括：接收模块，设置为接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，获取模块，设置为从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，分配模块，设置为为业务分配预占资源。
在本发明实施例中，上述获取模块设置为从以下预设域中获取上述预占资源：管理域和与管理域共享资源的关联域。
在本发明实施例中，获取模块包括：第一查找单元，设置为从管理域中查找 满足指示信息所指示资源的预占资源，第一获取单元，设置为在从管理域中查找到满足指示信息所指示资源的预占资源的情况下，则从管理域中获取预占资源。
在本发明实施例中，获取模块还包括：第二查找单元，设置为在从管理域中未查找到满足指示信息指示资源的预占资源的情况下，则从关联域中查找满足指示信息所指示资源的预占资源，第二获取单元，设置为在从关联域中查找到满足指示信息所指示资源的预占资源的情况下，则从关联域中获取指示信息所指示资源的预占资源。
在本发明实施例中，上述装置应用于以下环境中：电信网络的虚拟化自动部署过程。
根据本发明的还一个实施例，提供了一种服务器，包括以上任一所述的装置。
通过本发明实施例，接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，为业务分配预占资源，解决了相关技术中电信网络的虚拟化自动部署过程中NFVO资源分配负荷较大，资源分配效率不高的技术的问题，提高了在虚拟技术下电信网络资源分配的效率。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为NFV-MANO规范中VNF网络资源的分配流程图；
图2是根据本发明实施例的一种资源分配方法的流程图；
图3是根据本发明实施例的一种资源分配装置的结构框图；
图4是根据本发明优选实施例的资源分配装置的优选结构框图；
图5是根据本发明优选实施例的资源分配装置的另一优选结构框图；
图6是根据本发明实施例的服务器的结构框图；
图7是根据本发明优选实施方式1的资源分配方法的分域结构示意图；
图8是根据本发明优选实施方式2的资源分配方法的域控制方法的结构示意图；
图9是根据本发明优选实施方式3的资源分配方法的流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本实施例中还提供了一种资源分配方法，该方法可以通过服务器来实现，但不限于此，图2是根据本发明实施例的一种资源分配方法的流程图，如图2所示，该流程包括如下步骤：
步骤S202，接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息；
步骤S204，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源；
步骤S206，为业务分配预占资源。
上述接收业务的请求信号具体可以包括：NFVO实例化VNF操作或者当VNF自身需要触发弹性伸缩调整；
通过上述步骤，由于可以从用于存储业务的预占资源的预设域中获取满足指示信息所指示资源的预占资源，并为业务分配预占资源，因此，从根本上避免了向NFVO申请资源而导致的NFVO负荷较大的问题，并且，由于分配的是预占资源，因此可以提高了在虚拟技术下电信网络资源分配的效率。
在本发明实施例中，在上述步骤S204之前，还可以执行以下处理步骤：步骤S203，对空闲资源进行集中预占用，得到预占资源；将得到的预占资源存储在预设域中。以电信网络虚拟化自动部署过程中的资源分配为例说明预占资源的获取过程：
采用资源预占用的方式，对资源进行预处理，减少NFVO资源分配的压力负荷。当NFVO上实例化VNF后，VNFM资源控制模块(功能同上述资源分配装置61)会存储其下面所管理的VNF资源的预先占用情况。VNFM在实例化成功时会对资源做集中预占用，并把这个占用数据登记到NFVO上。当VNF自身资源需要触发弹性伸缩调整的时候，VNF发送资源申请到VNFM资源控制模块，由VNFM资源控制模块做第一次资源调整的检验，如果所申请的资源在之前预先占用的资源范围内，则VNFM直接触发弹性伸缩，不需要向VNFO进行资源申请，有效的缩短资源申请的流程，提高网络的调整速度。
可选地，上述预设域包括：管理域和与管理域共享资源的关联域。
上述预设域，把NFVO下面多个VNFM划分出域的概念，为资源管理域，每个域都有自己的资源预占，域内所有VNF的资源申请到所在管理域上申请并 由其来分配和管理。NFVO上不再对所有VNF的真实占用情况做实时管理，只有NFVO需要管理的时候才向各个管理域查询域内所有资源的情况，通过组成关联域，使得管理域共享关联域内的资源，有效的提高资源的利用率。关联域内资源分配的原则是不能超出所有管理域所有预占用资源总和。当实例化VNFM和NFVO向VNFM分配资源时，资源分配结果由NFVO同步其管理的所有关联域，这样各个关联的资源域就有了全局关联域的资源信息。
可选地，步骤S204的实现方式有多种，在预设域包括上述管理域和上述管理域时可以通过以下处理过程实现，但不限于此：
步骤S2041，从管理域中查找是否存在满足指示信息所指示资源的预占资源；
步骤S2043，在从管理域中查找到存在满足指示信息所指示资源的预占资源的情况下，则从管理域中获取预占资源。
在上述步骤S2041至S2043中，当VNF自身资源需要触发弹性伸缩调整的时候，VNF发送资源申请到管理域，由管理域做第一次资源调整的检验，如果所申请的资源在之前预先占用的资源范围内，则VNFM直接触发弹性伸缩，不需要向VNFO进行资源申请，直接从管理域中获取预占资源，有效的缩短资源申请的流程，提高网络的调整速度。
可选地，上述步骤S2041之后，还可以执行以下处理过程：
步骤S2045，在从管理域中查找到不存在满足指示信息所指示资源的预占资源的情况下，则从关联域中查找是否存在满足指示信息所指示资源的预占资源；
步骤S2047，在从关联域中查找到存在满足指示信息所指示资源的预占资源的情况下，则从关联域中获取指示信息所指示资源的预占资源。
在上述步骤S2045至S2047中，如果VNF申请的资源超过管理域预先占用的资源池，则管理域向关联域的其他管理域申请资源分配，本方法的预设域来实现虚拟化技术下电信网络资源控制，提高电信网络的快速部署，减少故障率，使资源得到有效利用。
可选地，上述方法应用于以下环境中：电信网络的虚拟化自动部署过程。
上述方法适用于电信设备在虚拟化技术下的资源分配。具体的，当电信网络在虚拟云平台上部署和弹性伸缩时，本方法可以快速分配部署所需要的资源，并且通过域控制方法提高了资源分配率、资源利用率以及资源的高效管理，以适应虚拟化技术下电信网络的快速部署的需要。
可选地，上述步骤S202之后，还包括：
步骤S205，在未从预设域中获取到所述预占资源的情况下，向电信网络的 虚拟化自动部署过程中的网络功能虚拟化编排NFVO申请资源。
在上述步骤S205，如果关联与中的预占资源还是不能满足，再向NFVO上申请资源重新分配。当NFVO上资源分配决策后通过，NFVO将资源分配结果发送给管理域，再由管理域将资源分配给VNF，同时NFVO将资源分配结果分发到其他关联域的管理域。
具体地，通过上述方法，接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，为业务分配预占资源，解决了电信网络在云平台上自动部署和弹性伸缩时申请资源遇到的问题，提高电信设备资源申请效率，减少电信网络部署时间，提高电信设备资源的整体利用率，实现了电信设备资源的有效管理。
在本实施例中还提供了一种资源分配装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图3是根据本发明实施例的一种资源分配装置的结构框图，该装置可以为服务器，但不限于此，如图3所示，该装置包括：接收模块31、获取模块33和分配模块35，下面对该装置进行说明。
接收模块31，设置为接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，获取模块33，连接至接收模块31，设置为从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，分配模块35，连接至获取模块33，设置为为业务分配预占资源。
通过上述装置，通过接收模块31接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，通过获取模块33从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，通过分配模块35为业务分配预占资源，解决了相关技术中电信网络的虚拟化自动部署过程中NFVO资源分配负荷较大，资源分配效率不高的技术问题，提高了在虚拟技术下电信网络资源分配的效率。
在本发明实施例中，预设域包括：管理域和与管理域共享资源的关联域。在一个优选实施过程中，每个管理域可以对应一个租户群体。
上述预设域，把NFVO下面多个VNFM划分出域的概念，为资源的管理域，每个域都有自己的资源预占，域内所有VNF的资源申请到所在管理域上申请并由其来分配和管理。NFVO上不再对所有VNF的真实占用情况做实时管理，只 有NFVO需要管理的时候才向各个管理域查询域内所有资源的情况，通过组成关联域，使得管理域共享关联域内的资源，有效的提高资源的利用率。关联域内资源分配的原则是不能超出所有管理域所有预占用资源总和。当实例化VNFM和NFVO向VNFM分配资源时，资源分配结果由NFVO同步其管理的所有关联域，这样各个关联的资源域就有了全局关联域的资源信息。
其中，对于关联域，可以理解为与管理域共享资源的域(可以为其它管理域)，有效的提高资源的利用率。关联域内资源分配的原则是不能超出所有管理域所有预占资源总和；当实例化VNFM和NFVO向VNFM分配资源时，资源分配结果由NFVO同步其管理的所有关联域，这样各个关联的资源域就有了全局关联域的资源信息；如果VNF申请的资源超过管理域预先占用的资源池，则管理域向关联域的其他管理域申请资源分配，如果资源还是不能满足，再向NFVO上申请资源重新分配。当NFVO上资源分配决策后通过，NFVO将资源分配结果发送给管理域，再由管理域将资源分配给VNF，同时NFVO将资源分配结果分发到其他关联域的管理域。
图4是根据本发明优选实施例的资源分配装置的优选结构框图，该装置可以为服务器，但不限于此，如图4所示，该装置包括图3所示的所有结构，该获取模块33还包括：第一查找单元41和第一获取单元43，下面对该装置进行说明。
第一查找单元41，设置为从管理域中查找是否存在满足指示信息所指示资源的预占资源，第一获取单元43，连接至第一查找单元41，设置为在从管理域中查找到存在满足指示信息所指示资源的预占资源的情况下，则从管理域中获取预占资源。
上述装置中，当VNF自身资源需要触发弹性伸缩调整的时候，通过第一查找单元41，VNF发送资源申请到管理域，由管理域做第一次资源调整的检验，如果所申请的资源在之前预先占用的资源范围内，则VNFM直接触发弹性伸缩，不需要向VNFO进行资源申请，通过第一获取单元43直接从管理域中获取预占资源，有效的缩短资源申请的流程，提高网络的调整速度。
图5是根据本发明优选实施例的资源分配装置的另一优选结构框图，该装置可以为应用路由器，但不限于此，如图5所示，该装置包括图4所示的部分结构，该获取模块33还包括：第二查找单元51和第二获取单元53，下面对该优选结构进行说明。
第二查找单元51，连接至第一查找单元41，设置为在从管理域中查找到不存在满足指示信息指示资源的预占资源的情况下，则从关联域中查找是否存在满足指示信息所指示资源的预占资源，第二获取单元53，连接至第二查找单元51，设置为在从关联域中查找到存在满足指示信息所指示资源的预占资源的情况下， 则从关联域中获取指示信息所指示资源的预占资源。
在上述装置中，如果VNF申请的资源超过管理域预先占用的资源池，通过第二查找单元51和第二获取单元53，管理域向关联域的其他管理域申请资源分配，本装置的预设域来实现虚拟化技术下电信网络资源控制，提高电信网络的快速部署，减少故障率，使资源得到有效利用。
在本发明实施例中，上述装置可以应用于以下环境中：电信网络的虚拟化自动部署过程。
上述装置适用于电信设备在虚拟化技术下的资源分配。具体的，当电信网络在虚拟云平台上部署和弹性伸缩时，本装置可以快速分配部署所需要的资源，并且通过域控制方法提高了资源分配率、资源利用率以及资源的高效管理，以适应虚拟化技术下电信网络的快速部署的需要。
图6是根据本发明实施例的服务器的结构框图，如图6所示，该服务器600包括上述任一项的资源分配装置61。
本发明实施例提供的一种优选的实施方式中，虚拟化技术下电信网络自动部署时资源分配过程包括以下步骤：
步骤S1，租户a在NFVO上实例化VNF，该VNF归属于VNFM_1。
步骤S2，租户a归属于管理域A，管理域A检查该实例化所需的资源是否超出其资源预占，若未超出，则分配资源，开始实例化VNF，否则，继续。
步骤S3，租户a归属于管理域A，管理域A向其关联域申请资源分配，分配成功后，开始实例化VNF，否则，继续。
步骤S4，管理域A分配资源失败，需要向NFVO申请资源，NFVO分配完成资源后，开始实例化VNF，否则，实例化失败。
上述方案中，通过分域的方式，能够有效的使得资源的使用者和分配者分离开来，使用者使用资源，不能主动分配资源，是为租户用户；资源的管理统一有管理者负责，管理者负责资源的分配和申请，称为管理域用户；租户即使资源不足，也无法向NFVO申请资源，资源的申请和分配统一有管理者负责，分域的方法能够实现资源的有效管理；多个管理域组成关联域，实现资源共享，合理利用空闲资源，提高了资源的利用率，当其中一个管理域的资源不足时，其他管理域的资源有空闲，共享关联域内的资源，只有当关联域内资源都不能满足时才向NFVO申请资源；每一个管理域都会进行资源预占，将预占用的资源分配给租户，因此，当租户使用资源时不需要每次都向NFVO分配资源，减少NFVO的资源分配负荷，同时也能够减少资源分配处理时间周期，使得电信网络的部署和弹性伸缩能够更快速的进行。
本发明通过分域的方法，分离资源的使用者和分配者，能够更好的进行电信网络资源管理，关联域的处理方式，提高了资源的利用率，合理分配了资源，通过资源的预占，减少了资源的分配周期，提高了电信网络部署和弹性伸缩时间。
下面对本发明优选实施方式进行说明。
优选实施方式1
图7是根据本发明优选实施方式1的资源分配方法的分域结构示意图，如图7所示，该结构示意图包括：
租户域701：多个VNF划分为一个租户域，该租户域内用户在部署网络或者弹性伸缩时，用户会向其归属的管理域用户申请资源，申请到资源后，租户进行网络部署或者弹性伸缩资源的申请、分配等由管理域用户负责处理，租户只负责使用资源。
管理域702：一个或者多个VNFM划分为一个管理域，该管理域用户负责管理所属的VNF预占的资源，当租户申请资源时，负责分配给租户使用，当资源不足时，向其归属的关联域申请资源，关联域内资源不足时，向NFVO申请资源，并将获取的资源分配给租户使用。
关联域703：多个管理域组成一个关联域，当该关联域内的管理域用户向管理域申请资源失败时，管理域用户会向其归属的关联域申请资源，并将申请到的资源分配给租户。
优选实施方式2
图8是根据本发明优选实施方式2的资源分配方法的域控制方法的结构示意图，如图8所示，该结构示意图包括：
角色管理模块801：该模块由NFVO实现，操作者需要在NFVO上注册管理域用户，租户用户以及关联域等。
资源控制模块802(功能同上述资源分配装置61)：该模块由VNFM实现，当租户申请资源时，VNFM资源控制模块负责检查其预占用资源是否满足要求，不满足，则向其关联域内用户广播资源申请，当收到响应后，选取一个VNFM的响应，接受资源分配，并分配给租户使用；同时，VNFM负责响应管理域内其他VNFM的资源申请请求，并分配资源给用户；当关联域内资源都无法满足时，VNFM才向NFVO申请资源，申请到资源后，向关联域内其他VNFM广播资源申请和预占情况。
优选实施方式3
图9是根据本发明优选实施方式3的资源分配方法的流程图，如图9所示， 结合图9对本发明的方法进行说明，如下两个实例分别描述了实例化VNF和VNF在弹性伸缩过程中资源控制的实现流程。其中，租户A归属域管理域L，管理域L隶属于关联域G。具体方法如下：
步骤901：租户A执行实例化VNF操作或者当VNF(该VNF的租户域租户为租户A，该VNF归属于VNFM_1)自身需要触发弹性伸缩调整时，向其管理域L请求资源，若管理域L检查自身预占的资源是否满足需求，若满足，执行步骤906，否则，继续。
步骤902：管理域L申请资源时，自身预占的资源不满足需求时，管理域L向关联域G内所有其他管理域广播资源申请消息；
步骤903：当有一个以上管理域响应请求后，管理域L选取一个响应资源，并执行步骤906，否则，继续；
步骤904：当向管理域G申请资源失败时，管理域L向其归属的NFVO申请资源；
步骤905：NFVO返回资源申请结果，申请失败，则该租户A操作失败，若成功，则继续；
步骤906：租户A的获取到所需资源，开始进行实例化VNF或者弹性调整，租户A的资源申请结束。
在另外一个实施例中，还提供了一种软件，该软件用于执行上述实施例及优选实施方式中描述的技术方案。
在另外一个实施例中，还提供了一种存储介质，该存储介质中存储有上述软件，该存储介质包括但不限于：光盘、软盘、硬盘、可擦写存储器等。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供的技术方案，可以应用于资源分配，通过接收业务的请求信号，请求信号中携带有用于指示业务所需占用资源的指示信息，从预设域中获取满足指示信息所指示资源的预占资源，其中，预设域用于存储业务的预占资源，为业务分配预占资源，解决了相关技术中电信网络的虚拟化自动部署过程中NFVO资源分配负荷较大，资源分配效率不高的技术的问题，提高了在虚拟技术下电信网络资源分配的效率。

Claims (13)

  1. 一种资源分配方法，包括：
    接收业务的请求信号，所述请求信号中携带有用于指示所述业务所需占用资源的指示信息；
    从预设域中获取满足所述指示信息所指示资源的预占资源，其中，所述预设域用于存储业务的预占资源；
    为所述业务分配所述预占资源。
  2. 根据权利要求1所述的方法，其中，从预设域中获取满足所述指示信息所指示资源的预占资源之前，还包括：
    对空闲资源进行集中预占用，得到所述预占资源；将得到的所述预占资源存储在所述预设域中。
  3. 根据权利要求1所述的方法，其中，所述预设域包括：
    管理域和与所述管理域共享资源的关联域。
  4. 根据权利要求3所述的方法，其中，从预设域中获取满足所述指示信息所指示资源的预占资源包括：
    从所述管理域中查找满足所述指示信息所指示资源的预占资源；
    在从所述管理域中查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述管理域中获取所述预占资源。
  5. 根据权利要求4所述的方法，其中，从预设域中获取满足所述指示信息所指示资源的预占资源包括：
    在从所述管理域中未查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述关联域中查找满足所述指示信息所指示资源的预占资源；
    在从所述关联域中查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述关联域中获取所述指示信息所指示资源的预占资源。
  6. 根据权利要求1至5中任一项所述的方法，其中，所述方法应用于以下环境中：电信网络的虚拟化自动部署过程。
  7. 根据权利要求6所述的方法，其中，所述方法还包括：
    在未从所述预设域中获取到所述预占资源的情况下，向所述电信网络的虚拟化自动部署过程中的网络功能虚拟化编排NFVO申请资源。
  8. 一种资源分配装置，包括：
    接收模块，设置为接收业务的请求信号，所述请求信号中携带有用于指示所述业务所需占用资源的指示信息；
    获取模块，设置为从预设域中获取满足所述指示信息所指示资源的预占资源，其中，所述预设域用于存储业务的预占资源；
    分配模块，设置为为所述业务分配所述预占资源。
  9. 根据权利要求8所述的装置，其中，所述获取模块设置为从以下所述预设域中获取所述预占资源：
    管理域和与所述管理域共享资源的关联域。
  10. 根据权利要求9所述的装置，其中，所述获取模块包括：
    第一查找单元，设置为从所述管理域中查找满足所述指示信息所指示资源的预占资源；
    第一获取单元，设置为在从所述管理域中查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述管理域中获取所述预占资源。
  11. 根据权利要求10所述的装置，其中，所述获取模块还包括：
    第二查找单元，设置为在从所述管理域中未查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述关联域中查找满足所述指示信息所指示资源的预占资源；
    第二获取单元，设置为在从所述关联域中查找到满足所述指示信息所指示资源的预占资源的情况下，则从所述关联域中获取所述指示信息所指示资源的预占资源。
  12. 根据权利要求8至11任一项所述的装置，其中，所述装置应用于以下环境中：
    电信网络的虚拟化自动部署过程。
  13. 一种服务器，包括权利要求8至12中任一项所述的装置。
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