WO2019001023A1 - 资源分配方法及系统 - Google Patents

资源分配方法及系统 Download PDF

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Publication number
WO2019001023A1
WO2019001023A1 PCT/CN2018/079312 CN2018079312W WO2019001023A1 WO 2019001023 A1 WO2019001023 A1 WO 2019001023A1 CN 2018079312 W CN2018079312 W CN 2018079312W WO 2019001023 A1 WO2019001023 A1 WO 2019001023A1
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Prior art keywords
resource
synchronization
allocation
service
module
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PCT/CN2018/079312
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English (en)
French (fr)
Inventor
齐权
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP18823449.6A priority Critical patent/EP3648423B1/en
Priority to AU2018290375A priority patent/AU2018290375B2/en
Publication of WO2019001023A1 publication Critical patent/WO2019001023A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/321Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/10Packet switching elements characterised by the switching fabric construction
    • H04L49/103Packet switching elements characterised by the switching fabric construction using a shared central buffer; using a shared memory
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04Network management architectures or arrangements
    • H04L41/042Network management architectures or arrangements comprising distributed management centres cooperatively managing the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1095Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes

Definitions

  • the present disclosure relates to the field of communications, and in particular, to a resource allocation method and system.
  • Distributed data center switches include the management layer and the forwarding layer.
  • the forwarding unit of the forwarding layer is a unit that forwards service packets, and the management layer manages forwarding resources of all forwarding units.
  • the service module in the forwarding unit when it applies for a resource, it sends a resource request synchronization message to the management layer, and after receiving the synchronization response message of the management layer, the service can be established according to the resources allocated by the management layer. After receiving the resource request synchronization message, the management layer processes each synchronization message in turn.
  • the synchronization message sent needs to wait for the management layer to respond in sequence, so when multiple forwarding units simultaneously send synchronization messages for a large number of resource requests, or When there are a large number of non-resource application synchronization messages, the message processing of the forwarding unit and the management layer may time out, causing the synchronization unit of the forwarding unit to fail to send the synchronization message, or the management layer cannot process the synchronization message in time, and the service cannot be established normally.
  • each service needs to apply for a large number of forwarding resources. Therefore, it is time-consuming to apply for resource allocation, which is unacceptable for some services.
  • An embodiment of the present disclosure provides a resource allocation method, including: a synchronization requesting module of a forwarding unit receiving a resource request request of a service of the forwarding unit, where the resource application request carries index information of a service of the forwarding unit, where The forwarding unit is located at a forwarding layer of the switch, and the synchronization allocation module stores first resource allocation information that is periodically synchronized by the management allocation module of the switch management layer, where the first resource allocation information includes information about the allocated resources and Information of the allocated resource; the synchronization allocation module searches for the unused resource and the index information according to the index information and the resource allocation information of the forwarding unit from the first resource allocation information stored by itself The first resource; and the synchronization allocation module autonomously allocates the first resource to the service usage.
  • An embodiment of the present disclosure provides a resource allocation system, including a forwarding unit and a switch management layer, the forwarding unit includes a synchronization allocation module, and the switch management layer includes a management allocation module, and the synchronization allocation module is configured to receive the forwarding a resource request request of the service of the unit, where the resource application request carries index information of a service of the forwarding unit, the forwarding unit is located at a forwarding layer of the switch, and the management allocation module is configured to periodically synchronize to the synchronization
  • the allocation module synchronizes first resource allocation information, the first resource allocation information includes information about the allocated resources and the unallocated resources, and the synchronization allocation module stores the first resource allocation periodically synchronized by the management allocation module Information, and the synchronization allocation module searches, according to the index information and the resource allocation information of the forwarding unit, from the first resource allocation information stored by itself, the first one that is not used and meets the index information. a resource and autonomously assigning the first resource to the service.
  • Embodiments of the present disclosure also provide a computer storage medium having stored therein computer executable instructions for performing the foregoing resource allocation method.
  • 1 is a schematic diagram of resource allocation of a distributed data center switch
  • FIG. 2 is a schematic diagram of a resource allocation system in accordance with an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a resource allocation method according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of a resource allocation method according to another embodiment of the present disclosure.
  • FIG. 5 is a flowchart of a resource allocation method performed on a forwarding unit according to an embodiment of the present disclosure
  • FIG. 6 is a flow chart of a resource allocation method performed on a management layer in accordance with an embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of resource allocation of a distributed data center switch.
  • the distributed data center switch in Figure 1 includes the management layer (also referred to herein as the "switch management layer") and the forwarding layer.
  • the forwarding unit of the forwarding layer is a unit that forwards service packets, and the management layer manages forwarding resources of all forwarding units.
  • the service module in the forwarding unit also referred to herein as "service”
  • the forwarding unit sends a resource request synchronization message to the management layer, and can receive the management response message from the management layer according to the management layer. Allocate resources to build a business.
  • the management layer processes each synchronization message in turn.
  • the distributed data center switch shown in FIG. 1 may have the following restrictions: 1.
  • the sent synchronization message needs to wait for the management layer to respond in sequence, so when multiple forwarding units simultaneously send a large number of resource application synchronization messages or there are a large number of non-
  • the message processing of the forwarding unit and the management layer may time out, causing the synchronization message of the forwarding unit to fail to be sent, or the management layer cannot process the synchronization message in time, and the service cannot be established normally.
  • each service needs to apply for a large amount of forwarding resources. Therefore, it can be time consuming while being able to apply for resource allocation normally. This is unacceptable for some services.
  • embodiments of the present disclosure provide a resource allocation system and method.
  • FIG. 2 is a schematic diagram of a resource allocation system in accordance with an embodiment of the present disclosure.
  • a resource allocation system includes a forwarding layer and a management layer.
  • the management layer includes a management allocation module 305 and a management storage module 306, and the forwarding layer includes a plurality of forwarding units, which are sequentially numbered as forwarding unit A, forwarding unit B, ... forwarding unit N (N represents a total of N forwarding units).
  • Each forwarding unit includes a synchronization allocation module 301, a synchronization storage module 302, a forwarding storage module 303, and a service module 304, respectively.
  • FIG. 3 is a flowchart of a resource allocation method according to an embodiment of the present disclosure.
  • the resource allocation method includes the following steps S101-S103.
  • the synchronization allocation module 301 of the forwarding unit receives the resource request request of the service 304 of the forwarding unit.
  • the resource application request carries the index information of the service 304 of the forwarding unit.
  • the forwarding unit is located at the forwarding layer of the switch, and the first resource allocation information periodically synchronized by the management allocation module 305 of the switch management layer is stored in the synchronization allocation module 301.
  • the first resource allocation information includes information about the allocated resources and the unallocated resources.
  • the synchronization allocating module 301 searches for the first resource that is not used and conforms to the index information from the first resource allocation information stored by itself according to the index information and the resource allocation information of the forwarding unit.
  • the synchronization allocation module 301 needs to consider the resource allocation information of the forwarding unit when allocating resources.
  • the first resource is a resource that can meet the requirement of the service 304.
  • the synchronization assignment module 301 autonomously allocates the first resource to the service 304 of the forwarding unit for use.
  • the synchronization allocation module 301 temporarily allocates the first resource to the service 304 of the forwarding unit for use.
  • the resource allocation method further includes: the synchronization allocation module 301 indexes the information of the service 304 of the forwarding unit and the first in an asynchronous message manner.
  • the resource is sent to the management allocation module 305. In this case, it does not have to wait for the response of the management allocation module 305, but can continue to perform the operation.
  • the resource allocation method further includes: the management allocation module 305 receives the asynchronous message.
  • the management allocation module 305 searches for the unused information that matches the index information from the first resource allocation information stored in the first resource allocation information according to the index information of the service 304 and the resource allocation information of each forwarding unit.
  • the synchronization allocation module 301 receives and parses the asynchronous response message, The first resource is released according to the parsing result, and the second resource is allocated to the service 304 for use.
  • the management allocation module 305 needs to consider resource allocation information of all forwarding units when allocating resources.
  • the resource allocation method further includes: the synchronization allocation module 301 transmitting the first resource and the index information of the service 304 to the forwarding unit.
  • the synchronous storage module 302; and the synchronous storage module 302 records and stores the index information of the first resource and the service 304.
  • the second resource allocation information periodically synchronized by the management storage module 306 of the switch management layer may be stored in the synchronous storage module 302, where the second resource allocation information includes an index of the existing service 304 of each forwarding unit. Information and its corresponding allocated resources.
  • the resource allocation method before the synchronization allocation module 301 of the forwarding unit receives the resource application request, the resource allocation method further includes: the synchronization storage module 302 receives the resource application request; the synchronization storage module 302 determines the self according to the index information. Whether the first resource exists in the stored second resource allocation information; if the first resource exists, the first resource is returned to the service 304 for use, and the index information and corresponding information of the service 304 of the forwarding unit are forwarded in an asynchronous message manner.
  • the allocated first resource is sent to the management storage module 306 of the management layer for recording and storage; if the first resource is not present, the resource request request is sent to the synchronization allocation module 301 of the forwarding unit.
  • FIG. 4 is a flow chart of a resource allocation method in accordance with another embodiment of the present disclosure. The difference from the embodiment shown in FIG. 3 is that, in the resource allocation method of the present embodiment, instead of the above step S102, steps S1021 and S1022 are included.
  • the synchronization assignment module 301 sends the index information of the service 304 of the forwarding unit to the switch management layer in the manner of a synchronization message to apply for resources to the switch management layer and wait for a synchronization response message.
  • the synchronization assignment module 301 extracts from the index information and the resource allocation information of the forwarding unit.
  • the stored first resource allocation information finds the first resource that is unused and meets the index information.
  • the synchronization allocating module 301 before the first resource is searched for from the first resource allocation information stored by itself, the synchronization allocating module 301 first applies for a resource to the management layer in a synchronous message manner and waits for the synchronization response message. In the case that the synchronization response message of the management layer is not received, the synchronization assignment module 301 searches for the first resource again.
  • FIG. 5 is a flowchart of a resource allocation method performed on a forwarding unit, according to an embodiment of the present disclosure.
  • the resource allocation method according to the present embodiment includes the following steps S201-S213 when executed on the forwarding unit.
  • the service a of the forwarding unit (for example, the forwarding unit A shown in FIG. 2) (for example, the service module 304 of the forwarding unit A shown in FIG. 2) forwards according to the index information of the service a to be created.
  • the storage module (for example, the forwarding storage module 303 of the forwarding unit A shown in FIG. 2) transmits a resource request request.
  • step S202 the forwarding storage module determines, according to the index information of the service a, whether an index corresponding to the index information of the service a exists in the resource allocation information stored by itself. If not, the process proceeds to step S203, and if yes, the process proceeds to step S204.
  • the forwarding storage module may compare the index information of the service a with the service index stored by itself.
  • the forwarding storage module is configured to store forwarding resources autonomously allocated by the management layer and the synchronization allocation module (for example, the synchronization allocation module 301 of the forwarding unit A shown in FIG. 2), that is, resources that have been used for each forwarding service.
  • the synchronization allocation module for example, the synchronization allocation module 301 of the forwarding unit A shown in FIG. 2
  • the synchronization storage module determines whether there is an index with the service a in the second resource allocation information stored by itself according to the index information of the service a. The same index of information. If not, the process proceeds to step S205, and if yes, the process proceeds to step S206.
  • the resource application request is forwarded to the synchronous storage module for processing.
  • the second storage resource is periodically synchronized by the management storage module of the switch management layer (for example, the management storage module 306 shown in FIG. 2), and the second resource allocation information includes the existing service of each forwarding unit. Index information and its corresponding allocated resources.
  • the management storage module of the management layer can actively and periodically synchronize the second resource allocation information to the synchronization storage module of each forwarding unit.
  • the first resource corresponding to the index corresponding to the index information of the service a is allocated to the service a, and the reference count of the first resource in the forwarding unit A is incremented by one.
  • the synchronization allocation module transmits the index information of the service a to the management layer to apply for the resource and waits for the response in the manner of synchronizing the message, and then proceeds to step S207.
  • the synchronization storage module allocates the first resource corresponding to the index of the same information of the service a to the service a, and sends an asynchronous message to the management storage module of the management layer: the first resource is forwarded by the unit A. Service a is used without waiting for a reply message from the management.
  • the management layer processes the asynchronous message sent by the synchronous storage module when idle, and manages the storage module record: the first resource is used by the service a of the forwarding unit A without answering the asynchronous message.
  • the synchronization allocation module determines whether a synchronization response message of the management layer is received within the transmission reception time set by the synchronization message. If not, the process proceeds to step S208, and if it is received, the process proceeds to step S212.
  • step S212 resource allocation; if the response message cannot be received within the set time, the current system is busy, and the asynchronous message application resource needs to be sent. Thereby, the process proceeds to step S208.
  • the synchronization allocation module searches for the first resource from the first resource allocation information stored by itself according to the index information of the service a and the resource allocation information of the forwarding unit A.
  • the first resource is an unused resource that meets the index information.
  • the first resource allocation information is periodically synchronized by the management allocation module (for example, the management allocation module 305 shown in FIG. 2) of the switch management layer, where the first resource allocation information includes Information about allocated and unallocated resources.
  • the management allocation module may store allocated resources and unallocated resources in the form of bit bits.
  • the management allocation module of the management layer may actively and periodically synchronize the first resource allocation information to the synchronization allocation module of each forwarding unit.
  • the synchronization allocation module autonomously allocates the first resource to the service a, and sends the index information of the service a and the allocated first resource to the management layer in an asynchronous message manner.
  • the synchronous storage module records and stores the first resource and the index information of the service. In this case, you do not need to wait for a response, you can continue to perform the operation.
  • the management allocation module processes the received asynchronous message; according to the index information of the service a and the resource allocation information of each forwarding unit, the first resource allocation information stored in the first resource allocation information is searched for.
  • the second resource sends the index information of the second resource and the service a to the forwarding unit in an asynchronous message response manner.
  • the service a of the forwarding unit A applies for the second resource.
  • the second resource is an unused resource that meets the index information.
  • the first resource allocation information includes information about the allocated resources and the unallocated resources.
  • the synchronization allocation module of the forwarding unit receives the asynchronous message from the management layer, parses the asynchronous message, releases the first resource according to the parsing result, and records that the second resource is used; and the synchronous storage module of the forwarding unit releases the first resource. And recording the second resource, and returning the second resource to the service a to replace the first resource.
  • the synchronization allocation module transmits the received synchronization information to the forwarding storage module.
  • the forwarding storage module records the received synchronization information and returns the first resource to the service a.
  • FIG. 6 is a flow chart of a resource allocation method performed on a management layer in accordance with an embodiment of the present disclosure.
  • the resource allocation method according to the present embodiment includes the following steps S301-S306 when executed on the management layer.
  • the management layer receives the resource request sent by the forwarding unit in the manner of synchronizing the message (step S205 in FIG. 5), and processes the synchronization message.
  • the management storage module determines, according to the index information of the service a of the forwarding unit A, whether there is an index with the service a in the second resource allocation information stored by itself. If the information does not exist, the process proceeds to step S304, and if yes, the process proceeds to step S303.
  • the management storage module allocates the first resource corresponding to the index of the same information of the service a to the service a, and records that the first resource is used by the service a of the forwarding unit A. Then it proceeds to step S306.
  • the management allocation module searches for the first resource allocation information stored in itself according to the index information of the service a and the resource allocation information of each forwarding unit. A resource and assign the first resource to the service a.
  • the index information of the first resource and the service a is stored in the management storage module.
  • the index information of the first resource and the service a is sent to the synchronization allocation module of the forwarding unit in a synchronous message reply manner.
  • step S207 in FIG. 5 it can be judged that the synchronization response message of the management layer is received within the transmission and reception time set by the synchronization message.
  • the management layer synchronizes the use of the chip forwarding resources of all the forwarding units to each forwarding unit.
  • the forwarding information of the chip forwarding resource cannot be processed in time, and each forwarding unit may Self-allocating resources and sending asynchronous messages to the management to apply for forwarding resources.
  • the management layer processes the asynchronous message when idle, allocates the forwarding resource, and sends an asynchronous response message to the corresponding forwarding unit to update the forwarding unit resource entry. This not only solves the shortcomings that the management cannot process the synchronization message in a timely manner, and the resource cannot be allocated normally.
  • the allocation speed of the forwarding resource in the high-density forwarding service can be greatly improved, and the efficiency of creating, deleting, and updating the service is improved.
  • modules or steps of the above embodiments of the present disclosure may be implemented by a general computing system, which may be centralized on a single computing system or distributed among multiple computing systems. online. Alternatively, it may be implemented in program code executable by a computing system such that it may be stored in a storage medium (ROM/RAM, diskette, optical disk) for execution by a computing system.
  • ROM/RAM read-only memory
  • diskette diskette
  • optical disk optical disk
  • the steps shown or described may be performed in an order different than that herein, or separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof may be fabricated into a single integrated circuit. Module to achieve. Therefore, the present disclosure is not limited to any specific combination of hardware and software.

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Abstract

本公开实施例提供一种资源分配方法及系统,所述方法包括:转发单元的同步分配模块接收转发单元的业务的资源申请请求,其中,所述资源申请请求携带转发单元的业务的索引信息,转发单元位于交换机的转发层,同步分配模块中存储由交换机管理层的管理分配模块定时同步的第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息;同步分配模块根据索引信息和转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出未使用的、且符合索引信息的第一资源;以及同步分配模块将第一资源自主分配给业务使用。

Description

资源分配方法及系统 技术领域
本公开涉及通信领域,尤其涉及一种资源分配方法及系统。
背景技术
分布式数据中心交换机包括管理层和转发层。转发层的转发单元是对业务报文进行转发的单元,管理层管理所有转发单元的转发资源。在一些情形下,当转发单元中的业务模块申请资源时,其向管理层发送资源申请同步消息,并在接收到管理层的同步应答消息后才能够根据管理层分配的资源来建立业务。管理层接收到资源申请同步消息后,对各个同步消息依次进行处理。
随着用户需求的业务种类和业务数量的不断增加,可能存在以下限制:1、所发送的同步消息需要等待管理层的依次应答,因此当多个转发单元同时发送大量资源申请的同步消息时或者存在大量非资源申请的同步消息时,转发单元和管理层的消息处理可能会超时,从而导致转发单元的同步消息发送失败,或者导致管理层不能及时处理同步消息,进而导致业务无法正常建立;2、当配置高密度业务环境时,各个业务要申请大量的转发资源,因此在能正常申请分配资源的同时会大量耗时,对于一些业务来说这是不能接受的。
发明内容
本公开实施例提供一种资源分配方法,包括:转发单元的同步分配模块接收所述转发单元的业务的资源申请请求,其中,所述资源申请请求携带所述转发单元的业务的索引信息,所述转发单元位于交换机的转发层,所述同步分配模块中存储由所述交换机管理层的管理分配模块定时同步的第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息;所述同步分配模块根据所述索引信息和所述转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第一资源; 以及所述同步分配模块将所述第一资源自主分配给所述业务使用。
本公开实施例提供一种资源分配系统,包括转发单元和交换机管理层,所述转发单元包括同步分配模块,并且所述交换机管理层包括管理分配模块,所述同步分配模块设置为接收所述转发单元的业务的资源申请请求,其中,所述资源申请请求携带所述转发单元的业务的索引信息,所述转发单元位于所述交换机的转发层,所述管理分配模块设置为定时向所述同步分配模块同步第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息,所述同步分配模块中存储由所述管理分配模块定时同步的第一资源分配信息,并且所述同步分配模块根据所述索引信息和所述转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第一资源,并将所述第一资源自主分配给所述业务使用。
本公开实施例还提供一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行前述的资源分配方法。
附图说明
图1为一种分布式数据中心交换机资源分配的示意图;
图2为根据本公开实施例的资源分配系统的示意图;
图3为根据本公开实施例的资源分配方法的流程图;
图4为根据本公开另一实施例的资源分配方法的流程图;
图5为根据本公开实施例的在转发单元上执行的资源分配方法的流程图;以及
图6为根据本公开实施例的在管理层上执行的资源分配方法的流程图。
具体实施方式
下面结合附图对本公开实施例作进一步详细说明。
图1为一种分布式数据中心交换机资源分配的示意图。图1中 的分布式数据中心交换机包括管理层(本文中也将其称作“交换机管理层”)和转发层。转发层的转发单元是对业务报文进行转发的单元,管理层管理所有转发单元的转发资源。当转发单元中的业务模块(本文中也将其称作“业务”)申请资源时,转发单元向管理层发送资源申请同步消息,并在接收到管理层的同步应答消息后才能够根据管理层分配的资源来建立业务。管理层接收到资源申请同步消息后,对各个同步消息依次进行处理。
图1中所示的分布式数据中心交换机可能存在以下限制:1、所发送的同步消息需要等待管理层的依次应答,因此当多个转发单元同时发送大量资源申请的同步消息时或者存在大量非资源申请的同步消息时,转发单元和管理层的消息处理可能会超时,从而导致转发单元的同步消息发送失败,或者导致管理层不能及时处理同步消息,进而导致业务无法正常建立;2、当配置高密度业务环境时,各个业务要申请大量的转发资源,因此在能正常申请分配资源的同时会大量耗时,对于一些业务来说这是不能接受的。
对此,本公开实施例提供一种资源分配系统和方法。
图2为根据本公开实施例的资源分配系统的示意图。
参见图2,根据本公开实施例的资源分配系统包括转发层和管理层。管理层包括管理分配模块305和管理存储模块306,并且转发层包括多个转发单元,其依次编号为转发单元A、转发单元B……转发单元N(N代表一共有N个转发单元)。每个转发单元分别包括同步分配模块301、同步存储模块302、转发存储模块303和业务模块304。
图3为根据本公开实施例的资源分配方法的流程图。参见图2和图3,该资源分配方法包括以下步骤S101-S103。
在步骤S101处,转发单元的同步分配模块301接收所述转发单元的业务304的资源申请请求。资源申请请求携带转发单元的业务304的索引信息。转发单元位于交换机的转发层,并且同步分配模块301中存储由交换机管理层的管理分配模块305定时同步的第一资源分配信息。第一资源分配信息包括关于已分配的资源和未分配的资源的信息。
在步骤S102处,同步分配模块301根据索引信息和转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出未使用的、且符合索引信息的第一资源。
在本公开实施例中,同步分配模块301在分配资源时,需考虑本转发单元的资源分配信息。
在本公开实施例中,上述第一资源是可以满足该业务304需求的资源。
在步骤S103处,所述同步分配模块301将第一资源自主分配给转发单元的业务304使用。
在本公开实施例中,同步分配模块301将第一资源暂时自主分配给转发单元的业务304使用。
根据本公开实施例,在步骤S103处将第一资源自主分配给业务304使用之后,该资源分配方法还包括:同步分配模块301以异步消息的方式将转发单元的业务304的索引信息和第一资源发送给管理分配模块305。在这种情况下,其无需等待管理分配模块305的应答,而是可以继续执行操作。
根据本公开实施例,在同步分配模块301以异步消息的方式将业务304的索引信息和第一资源发送给管理分配模块305之后,该资源分配方法还包括:管理分配模块305接收所述异步消息;在管理层空闲时,所述管理分配模块305根据业务304的索引信息和每个转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出未使用的、且符合索引信息的第二资源,并以异步应答消息的方式将所述第二资源和所述业务304的索引信息发送给所述同步分配模块301;以及所述同步分配模块301接收并解析所述异步应答消息,根据解析结果释放第一资源,并将第二资源分配给业务304使用。
在本公开实施例中,管理分配模块305在分配资源时,需考虑所有转发单元的资源分配信息。
根据本公开实施例,在步骤S103处将第一资源自主分配给业务304使用之后,该资源分配方法还包括:所述同步分配模块301将第一资源及业务304的索引信息发送给转发单元的同步存储模块302; 以及同步存储模块302将第一资源及业务304的索引信息进行记录并存储。
在本公开实施例中,同步存储模块302中可以存储由交换机管理层的管理存储模块306定时同步的第二资源分配信息,所述第二资源分配信息包括各个转发单元的已有业务304的索引信息及其对应分配的资源。
根据本公开实施例,在步骤S101处转发单元的同步分配模块301接收资源申请请求之前,所述资源分配方法还包括:同步存储模块302接收资源申请请求;同步存储模块302根据索引信息,判断自身存储的第二资源分配信息中是否存在第一资源;若存在第一资源,则将第一资源返回给所述业务304使用,并以异步消息的方式将转发单元的业务304的索引信息和对应分配的第一资源发送给管理层的管理存储模块306以进行记录并存储;若不存在第一资源,则向转发单元的同步分配模块301发送所述资源申请请求。
图4为根据本公开实另一施例的资源分配方法的流程图。与图3所示的实施例的不同之处在于,在本实施例的资源分配方法中,替代上述步骤S102,包括了步骤S1021和S1022。
在步骤S1021处,同步分配模块301以同步消息的方式向交换机管理层发送转发单元的业务304的索引信息,以向交换机管理层申请资源并等待同步应答消息。
在步骤S1022处,如果同步分配模块301在所述同步消息的发送接收时间内没有接收到管理层的同步应答消息,则同步分配模块301根据索引信息和所述转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出未使用的、且符合索引信息的第一资源。
在本实施例中,同步分配模块301在从自身存储的第一资源分配信息中查找第一资源之前,首先以同步消息的方式向管理层申请资源并等待同步应答消息。在没有接收到管理层的同步应答消息情况下,同步分配模块301再查找第一资源。
图5为根据本公开实施例的在转发单元上执行的资源分配方法的流程图。
参见图2和图5,根据本实施例的资源分配方法在转发单元上执行时包括以下步骤S201-S213。
在步骤S201处,转发单元(例如,图2所示的转发单元A)的业务a(例如,图2所示的转发单元A的业务模块304)根据要创建的业务a的索引信息,向转发存储模块(例如,图2所示的转发单元A的转发存储模块303)发送资源申请请求。
在步骤S202处,转发存储模块根据业务a的索引信息,判断自身存储的资源分配信息中是否存在与该业务a的索引信息相同的索引。若不存在,则进入步骤S203,若存在,则进入步骤S204。
根据本公开实施例,转发存储模块可以将业务a的索引信息与自身存储的业务索引一一进行比较。
转发存储模块设置为存储由管理层分配的和同步分配模块(例如,图2所示的转发单元A的同步分配模块301)自主分配的转发资源,即,已用于各转发业务的资源。
在步骤S203处,同步存储模块(例如,图2所示的转发单元A的同步存储模块302)根据业务a的索引信息,判断自身存储的第二资源分配信息中是否存在与该业务a的索引信息相同的索引。若不存在,则进入步骤S205,若存在,则进入步骤S206。
如果在转发存储模块没有查到可用资源,则将资源申请请求交由同步存储模块进行处理。同步存储模块中存储由交换机管理层的管理存储模块(例如,图2所示的管理存储模块306)定时同步的第二资源分配信息,所述第二资源分配信息包括各个转发单元的已有业务的索引信息及其对应分配的资源。
管理层的管理存储模块可以主动、定时地向各个转发单元的同步存储模块同步所述第二资源分配信息。
在步骤S204处,将与该业务a的索引信息相同的索引对应的第一资源分配给业务a使用,并把第一资源在本转发单元A内的引用计数加一。
在步骤S205处,同步分配模块以同步消息的方式把业务a的索引信息发送给管理层申请资源并等待应答,随后进入步骤S207。
在步骤S206处,同步存储模块将与该业务a的索引信息相同的索引对应的第一资源分配给业务a使用,并发送异步消息告知管理层的管理存储模块:第一资源被转发单元A的业务a使用了,而无需等待管理层的应答消息。
在本公开实施例中,管理层在空闲时处理同步存储模块发送的异步消息,并且管理存储模块记录:第一资源被转发单元A的业务a使用,而无需应答异步消息。
在步骤S207处,同步分配模块判断在同步消息设置的发送接收时间内是否接收到管理层的同步应答消息。若没有接收到,则进入步骤S208,若接收到,则进入步骤S212。
如果在设置的时间内接收到同步应答消息则说明当前系统不忙,从而进入步骤S212进行资源分配;如果不能在设置的时间内接收到应答消息则说明当前系统忙,需要发送异步消息申请资源,从而进入步骤S208。
在步骤S208处,同步分配模块根据业务a的索引信息和转发单元A的资源分配信息,从自身存储的第一资源分配信息中查找出第一资源。
在本公开实施例中,第一资源为未使用的、且符合索引信息的资源。
在本公开实施例中,同步分配模块中存储由交换机管理层的管理分配模块(例如,图2所示的管理分配模块305)定时同步的第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息。
在本公开实施例中,管理分配模块可以以bit(比特)位的形式存储已分配的资源和未分配的资源。
管理层的管理分配模块可以主动、定时地向各个转发单元的同步分配模块同步所述第一资源分配信息。
在步骤S209处,同步分配模块将第一资源自主分配给业务a使用,并以异步消息的方式把业务a的索引信息和所分配的第一资源发送给管理层。同步存储模块将所述第一资源以及所述业务的索引信息 进行记录并存储。在这种情况下无需等待应答,可以继续执行操作。
在步骤S210处,在管理层空闲时,管理分配模块处理接收到的异步消息;根据业务a的索引信息和每个转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出第二资源;以异步消息应答的方式把第二资源和业务a的索引信息发送给转发单元。
在本公开实施例中,还在管理存储模块中记录:转发单元A的业务a申请使用了第二资源。
在本公开实施例中,第二资源为未使用的、且符合索引信息的资源。
在本公开实施例中,第一资源分配信息包括关于已分配的资源和未分配的资源的信息。
在步骤S211处,转发单元的同步分配模块接收来自管理层的异步消息,解析所述异步消息,根据解析结果释放第一资源并记录第二资源被使用;转发单元的同步存储模块释放第一资源并记录第二资源,并把第二资源返回给业务a以替换第一资源。
在步骤S212处,同步分配模块把接收到的同步信息发送给转发存储模块。
在步骤S213处,转发存储模块记录接收到的同步信息并把第一资源返回给业务a。
图6为根据本公开实施例的在管理层上执行的资源分配方法的流程图。
参见图2、图5和图6,根据本实施例的资源分配方法在管理层上执行时包括以下步骤S301-S306。
在步骤301处,管理层收到转发单元以同步消息的方式发送的资源申请(图5中的步骤S205),并且收处理该同步消息。
在步骤302处,管理存储模块(例如,图2所示的管理存储模块306)根据转发单元A的业务a的索引信息,判断自身存储的第二资源分配信息中是否存在与该业务a的索引信息相同的索引;若不存在,则进入步骤S304,若存在,则进入步骤S303。
在步骤303处,管理存储模块将与该业务a的索引信息相同的 索引对应的第一资源分配给业务a使用,并记录第一资源被转发单元A的业务a使用了。然后进入步骤S306。
在步骤304处,管理分配模块(例如,图2所示的管理分配模块305)根据业务a的索引信息和每个转发单元的资源分配信息,从自身存储的第一资源分配信息中查找出第一资源,并将第一资源分配给业务a使用。
在步骤305处,在管理存储模块中存储第一资源和业务a的索引信息。
在步骤306处,以同步消息应答的方式把第一资源和业务a的索引信息发送给转发单元的同步分配模块。
进而,在图5中的步骤S207处可以判断在同步消息设置的发送接收时间内接收到了管理层的同步应答消息。
通过本公开实施例,管理层把当前所有转发单元的芯片转发资源使用情况同步至各个转发单元,当管理层资源申请请求处理量过大不能及时处理芯片转发资源的同步消息时,各个转发单元可以自行分配使用资源并发送异步消息向管理层申请转发资源。管理层在空闲时处理异步消息,分配转发资源,并发送异步应答消息到对应转发单元更新转发单元资源表项。这不仅解决了在一些情形中管理层不能及时处理同步消息导致资源不能正常分配的弊端,还能够大大提高在高密度转发业务中转发资源的分配速度,提高业务的创建、删除及更新效率。
显然,本领域的技术人员应该明白,上述本公开实施例的各模块或各步骤可以用通用的计算系统来实现,它们可以集中在单个的计算系统上,或者分布在多个计算系统所组成的网络上。可选地,可以将其用计算系统可执行的程序代码来实现,从而,可以将其存储在存储介质(ROM/RAM、磁碟、光盘)中以由计算系统来执行。另外,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,或者将其分别制作成各个集成电路模块,或者将其中的多个模块或步骤制作成单个集成电路模块来实现。所以,本公开不限制于任何特定的硬件和软件结合。
以上内容是结合具体的实施方式对本公开实施例所作的进一步详细说明,不能认定本公开的具体实施只局限于这些说明。对于本公开所属技术领域的普通技术人员来说,在不脱离本公开构思的前提下,还可以做出的若干简单推演或替换都应当视为属于本公开的保护范围。

Claims (12)

  1. 一种资源分配方法,包括:
    转发单元的同步分配模块接收所述转发单元的业务的资源申请请求,其中,所述资源申请请求携带所述转发单元的业务的索引信息,所述转发单元位于交换机的转发层,所述同步分配模块中存储由所述交换机管理层的管理分配模块定时同步的第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息;
    所述同步分配模块根据所述索引信息和所述转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第一资源;以及
    所述同步分配模块将所述第一资源自主分配给所述业务使用。
  2. 如权利要求1所述的资源分配方法,其中,在所述同步分配模块将所述第一资源自主分配给所述业务使用的步骤之后,还包括:
    所述同步分配模块以异步消息的方式将所述业务的索引信息和所述第一资源发送给所述管理分配模块。
  3. 如权利要求2所述的资源分配方法,其中,在所述同步分配模块以异步消息的方式将所述业务的索引信息和所述第一资源发送给所述管理分配模块的步骤之后,还包括:
    所述管理分配模块接收所述异步消息;
    在所述管理层空闲时,所述管理分配模块根据所述业务的索引信息和每个转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第二资源,并以异步应答消息的方式将所述第二资源和所述业务的索引信息发送给所述同步分配模块;以及;
    所述同步分配模块接收并解析所述异步应答消息,根据解析结果释放所述第一资源,并将所述第二资源分配给所述业务使用。
  4. 如权利要求1所述的资源分配方法,其中,在所述同步分配模块将所述第一资源自主分配给所述业务使用的步骤之后,还包括:
    所述同步分配模块将所述第一资源及所述业务的所述索引信息发送给所述转发单元的同步存储模块;以及
    所述同步存储模块将所述第一资源及所述业务的所述索引信息进行记录并存储。
  5. 如权利要求1所述的资源分配方法,其中,
    所述转发单元的同步存储模块中存储由所述交换机管理层的管理存储模块定时同步的第二资源分配信息,所述第二资源分配信息包括各个转发单元的已有业务的索引信息及对应分配的资源,并且其中,
    在所述转发单元的同步分配模块接收资源申请请求的步骤之前,还包括:
    所述同步存储模块接收所述资源申请请求;
    所述同步存储模块根据所述索引信息,判断自身存储的所述第二资源分配信息中是否存在所述第一资源;
    若存在所述第一资源,则将所述第一资源返回给所述业务使用,并以异步消息的方式将所述转发单元的业务的索引信息和对应分配的所述第一资源发送给所述管理层的管理存储模块以进行记录并存储;
    若不存在所述第一资源,则向所述转发单元的同步分配模块发送所述资源申请请求。
  6. 如权利要求1所述的资源分配方法,其中,在所述同步分配模块接收所述转发单元的业务的资源申请请求的步骤之后,所述方法还包括:
    所述同步分配模块以同步消息的方式向所述交换机管理层发送所述转发单元的业务的索引信息,以向所述交换机管理层申请资源并等待同步应答消息,并且
    当所述同步分配模块在所述同步消息的发送接收时间内没有接 收到所述管理层的同步应答消息时,执行所述同步分配模块从自身存储的所述第一资源分配信息中查找第一资源的步骤。
  7. 一种资源分配系统,包括转发单元和交换机管理层,所述转发单元包括同步分配模块,并且所述交换机管理层包括管理分配模块,
    所述同步分配模块设置为接收所述转发单元的业务的资源申请请求,其中,所述资源申请请求携带所述转发单元的业务的索引信息,所述转发单元位于所述交换机的转发层,
    所述管理分配模块设置为定时向所述同步分配模块同步第一资源分配信息,所述第一资源分配信息包括关于已分配的资源和未分配的资源的信息,
    所述同步分配模块中存储由所述管理分配模块定时同步的第一资源分配信息,并且
    所述同步分配模块根据所述索引信息和所述转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第一资源,并将所述第一资源自主分配给所述业务使用。
  8. 如权利要求7所述的资源分配系统,其中,所述同步分配模块还设置为在将所述第一资源自主分配给所述业务使用之后,以异步消息的方式将所述业务的索引信息和所述第一资源的消息发送给所述管理层。
  9. 如权利要求8所述的资源分配系统,其中,所述管理分配模块还设置为:
    在所述同步分配模块以异步消息的方式将所述业务的索引信息和所述第一资源发送给所述管理层之后,接收所述异步消息;
    在所述管理层空闲时,根据所述业务的索引信息和每个转发单元的资源分配信息,从自身存储的所述第一资源分配信息中查找出未使用的、且符合所述索引信息的第二资源,并以异步应答消息的方式 将所述第二资源和所述业务的索引信息发送给所述同步分配模块,并且
    所述同步分配模块还设置为接收并解析所述异步应答消息,根据解析结果释放所述第一资源,并将所述第二资源分配给所述业务使用。
  10. 如权利要求7所述的资源分配系统,其中,所述转发单元还包括同步存储模块,
    所述同步分配模块还设置为在将所述第一资源自主分配给所述业务使用之后,将所述第一资源及所述业务的所述索引信息发送给所述同步存储模块,并且
    所述同步存储模块设置为将所述第一资源及所述业务的所述索引信息进行记录并存储。
  11. 如权利要求7所述的资源分配系统,其中,所述转发单元还包括同步存储模块,并且所述交换机管理层还包括管理存储模块,其中,
    所述管理存储模块设置为定时向所述同步存储模块同步第二资源分配信息,所述第二资源分配信息包括各个转发单元的已有业务的索引信息及其对应分配的资源;
    所述同步存储模块设置为:
    存储由所述管理存储模块定时同步的第二资源分配信息;
    在所述转发单元的同步分配模块接收资源申请请求之前,接收所述资源申请请求;
    根据所述索引信息,判断自身存储的所述第二资源分配信息中是否存在所述第一资源;
    若存在所述第一资源,则将所述第一资源返回给所述业务使用,并以异步消息的方式将所述转发单元的业务的索引信息和对应分配的所述第一资源发送给所述管理层的管理存储模块以进行记录并存储;
    若不存在所述第一资源,则向所述转发单元的同步分配模块发送所述资源申请请求。
  12. 如权利要求7所述的资源分配系统,其中,所述同步分配模块还设置为:
    以同步消息的方式向所述交换机管理层发送所述转发单元的业务的索引信息,以向所述交换机管理层申请资源并等待同步应答消息;并且
    当在所述同步消息的发送接收时间内没有接收到所述管理层的同步应答消息时,所述同步分配模块从自身存储的所述第一资源分配信息中查找所述第一资源,并将所述第一资源自主分配给所述业务使用。
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