WO2010006492A1 - 一种家庭网关策略控制的装置、系统及其实现方法 - Google Patents
一种家庭网关策略控制的装置、系统及其实现方法 Download PDFInfo
- Publication number
- WO2010006492A1 WO2010006492A1 PCT/CN2008/073576 CN2008073576W WO2010006492A1 WO 2010006492 A1 WO2010006492 A1 WO 2010006492A1 CN 2008073576 W CN2008073576 W CN 2008073576W WO 2010006492 A1 WO2010006492 A1 WO 2010006492A1
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- WIPO (PCT)
- Prior art keywords
- policy
- home gateway
- function entity
- qos
- decision function
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
Definitions
- the present invention relates to the field of communications, and in particular, to a device, system, and implementation method for home gateway policy control. Background technique
- the Next Generation Network is particularly problematic in terms of Quality of Service (QoS) due to the use of packet technology in the bearer network.
- the International Telecommunication Union (ITU) proposed the Resource and Admission Control Function (RACF) to solve the QoS problem of the NGN bearer network.
- the main function of the RACF is based on the operational policy rules, based on the user's subscription QoS information and available resources within the network for resource admission control. It shields the application layer from the difference of the bearer layer, and maps the QoS attributes of the application layer to the bearer layer, so that the bearer layer transport entity can provide QoS guarantee for the media stream of the session under its guidance.
- the functional framework of the RACF is shown in Figure 1, where the Policy Decision Function Entity (PD-FE) passes the Rs interface from the Service Control Function (SCF). Obtain the media stream session information, obtain the user's transmission resource subscription information from the network attachment control function (NACF) through the u interface, and make a preliminary QoS resource decision, and then communicate with the transport resource control function entity (Transport Resource Control Function) Function Entity, TRC-FE) interacts to confirm whether there are enough QoS resources, and finally makes a final decision, and sends the decision to the Policy Execute Function Entity (PE-FE).
- SCF Service Control Function
- the TRC-FE is mainly responsible for resource control. It monitors resources in the network and collects relevant information. When the PD-FE requests resources, it responds according to the specific resource status.
- PE-FE mainly performs policy control (gating, bandwidth, traffic classification and labeling, traffic shaping, Layer 2 and Layer 3 QoS mapping, collecting and reporting resource usage information, etc.) under the guidance of PD-FE.
- policy control gating, bandwidth, traffic classification and labeling, traffic shaping, Layer 2 and Layer 3 QoS mapping, collecting and reporting resource usage information, etc.
- the current description of the TRE-FE protocol is to implement Layer 2 related to transmission technology under the guidance of TRC-FE.
- the Home Policy Execute Function Entity is a policy enforcement function entity that resides on the home gateway. It accepts the policies delivered by the RACF and controls the traffic of users based on policies.
- the QoS of the service is determined through negotiation of the service layer.
- the service control layer initiates a resource request to the RACF according to the negotiated QoS, and the QoS policy generated by the RACF is sent to the transport layer policy.
- the execution entity (including the HPE-FE on the home gateway) is executed. The specific process is shown in Figure 3. The following steps are included:
- Step 301 The SCF initiates a resource request to the PD-FE according to the QoS negotiated by the service layer.
- Step 302 The PD-FE authorizes the request and makes a preliminary policy decision. If the PD-FE does not have the subscription information of the user, then Need to interact with NACF to obtain;
- Step 303 The PD-FE requests a resource from the TRC-FE, and the TRC-FE determines the request according to the current resource status, and returns whether there are enough available resources;
- Step 304 The PD-FE makes a final admission policy decision according to resource availability
- Steps 305a, b The PD-FE issues a policy to the HPE-FE and the PE-FE respectively.
- Step 306a, b the HPE-FE and the PE-FE respectively reply to the PD-FE;
- Step 307 The PD-FE replies to the SCF with a resource request response.
- the technical problem to be solved by the present invention is to provide a device, system and implementation method for home gateway policy control, so as to solve the problem that the functions of the RACF are too mixed.
- the present invention provides an apparatus for home gateway policy control, which includes a local policy decision function entity;
- the local policy decision function entity is configured to receive the QoS policy delivered by the policy decision function entity PD-FE on the network side and deliver the QoS policy to the home gateway.
- the above device may also have the following features:
- the local policy decision function entity is disposed on a server that performs remote control management on the home gateway.
- the above device may also have the following features:
- the server that performs remote control management on the home gateway is an automatic configuration server ACS. Further, the above device may also have the following features:
- the local policy decision function entity and the network side policy decision function unit are connected by using an Rd interface; and the local policy decision function entity and the home gateway are connected by using an R interface.
- the present invention also provides a device for controlling a home gateway policy, which includes a local policy decision function entity;
- the local policy decision function entity is configured to deliver the quality of service QoS policy configured on the home gateway to the home gateway.
- the present invention further provides a system for home gateway policy control, including a service control function entity SCF, a network side policy decision function entity PD-FE, a transmission resource control function entity TRC-FE, and a policy execution function entity.
- SCF service control function entity
- PD-FE network side policy decision function entity
- TRC-FE transmission resource control function entity
- PE-FE user network CPN
- the method includes: a local policy decision function entity; a service quality QoS policy that is sent by the policy decision function entity PD-FE of the network side, and is delivered to a home gateway in the user network CPN; Or the QoS policy configured on the QoS policy is delivered to the home gateway.
- the home gateway in the user network CPN includes a policy enforcement function entity HPE-FE, which is configured to receive a quality of service policy delivered by the local policy decision function entity, and perform policy control on the service traffic of the user according to the service quality policy. .
- HPE-FE policy enforcement function entity
- the local policy decision function entity is disposed on a server that performs remote control management on the home gateway.
- the present invention also provides a method for implementing home gateway policy control, including the following steps:
- the local policy decision function entity receives the service quality delivered by the PD-FE on the network side, and the QoS policy is locally configured.
- the local policy decision function entity delivers the QoS policy to the home gateway.
- the foregoing method may further include the following steps:
- the user initiates a QoS-guaranteed service, and the service layer determines the QoS of the service according to the negotiation.
- the service control function entity SCF initiates a resource to the network-side policy decision function entity PD-FE according to the service quality QoS policy negotiated by the service layer.
- the PD-FE authorizes the resource request and makes a preliminary policy decision, and then requests a resource from the transmission resource control function entity TRC-FE;
- the TRC-FE determines the resource request according to the current resource status, and returns whether there is sufficient resource availability information of available resources;
- the PD-FE makes a final admission policy decision according to the resource availability information, and issues a policy to the policy enforcement function entity PE-FE and the local policy decision function entity respectively;
- the local policy decision function entity After receiving the policy, the local policy decision function entity selects an appropriate home gateway according to the policy, and translates the policy into a policy that the policy execution function entity HPE-FE can support on the home gateway according to the capability of the home gateway; The local policy decision function entity performs a functional entity to the policy on the selected home gateway
- HPE-FE issues the appropriate strategy
- the HPE-FE performs policy control on the service traffic of the user according to the received QoS policy. Further, the above method may also have the following features:
- the method further includes the following steps:
- the HPE-FE returns a response message to the local policy decision function entity; the local policy decision function entity replies to the PD-FE;
- the PE-FE replies to the PD-FE;
- the PD-FE After receiving the response message replied by the PE-FE and the local policy decision function entity, the PD-FE replies to the SCF with a resource request response.
- the foregoing method may further include the following steps:
- the local policy decision function entity sends a static QoS policy to the policy enforcement function entity HPE-FE on the home gateway;
- the HPE-FE After receiving the static QoS policy, the HPE-FE performs policy control on the user's service traffic according to the QoS policy, and replies to the local policy decision function entity.
- the invention has the following advantages: the device, the system and the implementation method of the home gateway policy control according to the present invention, the local policy decision function entity is set on the server for remote control management of the home gateway, and the number of home gateways can be large, and In the case of being dispersed at the edge of the network, the resource admission control function RACF is prevented from directly controlling the home gateway, and the policy is delivered to the home gateway.
- the resource admission control function RACF is prevented from directly controlling the home gateway, and the policy is delivered to the home gateway.
- FIG. 1 is a structural diagram of a resource admission control subsystem RACF of the ITU-T in the prior art
- FIG. 2 is a schematic diagram of a RACF control home gateway in the prior art
- 3 is a schematic diagram of a prior art policy control process
- FIG. 4 is a schematic diagram of a RACF controlling a home gateway through a policy proxy function according to an embodiment of the present invention
- FIG. 5 is a flowchart of dynamic policy control for a home gateway according to an embodiment of the present invention
- FIG. 6 is a flowchart of a home gateway according to an embodiment of the present invention
- the local (Co-located) PD-FE included in the home gateway policy control device can be used for policy control.
- Co- can be used.
- the PD-FE is deployed on the existing remote control management server for the home gateway.
- the Auto-Configuration Server ACS
- the DR between the Co-located PD-FE and the PD-FE is used.
- the interface (diameter protocol), the Co-located PD-FE, and the home gateway's HPE-FE use the Rh interface delivery policy (TR069 protocol).
- the Co-located PD-FE is configured to receive the QoS policy delivered by the PD-FE on the network side and deliver the QoS policy to the home gateway, or deliver the QoS policy configured on the home gateway to the home gateway.
- the system controlled by the home gateway policy includes, in addition to the foregoing Co-located PD-FE, an SCF, a network side PD-FE, a TRC-FE, a PE-FE, and a user network CPN.
- the specific functions of the network elements can be embodied by the following methods, and are not mentioned here.
- the QoS policy control for the home gateway can be either dynamic or static.
- the dynamic QoS policy control is that when the user initiates a service dynamically, the SCF initiates a corresponding QoS policy request to the RACF according to the QoS requirement of the service, and the RACF makes an admission decision according to the resource status. If accepted, the QoS policy is generated and sent to the QoS policy.
- the HPE-FE and PE-FE execute the policy; when the service is terminated, the corresponding policy is dynamically cancelled.
- the static QoS policy control is to deliver the QoS policy for the user's subscription service to the home gateway when the user goes online or through remote configuration.
- the HPE-FE of the home gateway performs QoS guarantee for the corresponding service of the user according to these static policies.
- the specific policy control method is described below.
- the dynamic QoS policy processing process includes the following steps:
- Step 501 The user initiates a QoS-guaranteed service, and the service layer determines the QoS of the service according to the negotiation.
- the SCF initiates a resource request to the PD-FE according to the QoS negotiated by the service layer.
- Step 502 The PD-FE authorizes the request, and makes a preliminary policy decision. If the PD-FE does not have the subscription information of the user, the PD-FE needs to obtain the interaction with the NACF.
- Step 503 The PD-FE requests a resource from the TRC-FE, and the TRC-FE determines the request according to the current resource status, and returns whether there is sufficient resource availability information of the available resources.
- Step 504 The PD-FE makes a final admission policy decision according to the resource availability information.
- Steps 505.a, b The PD-FE sends the policy to the PE-FE and the Co-located PD-FE respectively.
- Step 506 Co- After receiving the policy, the PD-FE selects an appropriate home gateway according to the policy, and translates the policy into a policy supported by the HPE-FE on the home gateway according to the capability of the home gateway, where the appropriate home gateway is initiated.
- Step 507 The Co-located PD-FE delivers an appropriate policy to the HPE-FE on the selected home gateway;
- Step 508 The HPE-FE returns a response message to the Co-located PD-FE.
- Steps 509.a, b The PE-FE and the Co-located PD-FE respectively reply to the PD-FE; wherein, it should be noted that there is no order relationship between the step 509a and the step 506 to the step 508, that is, the PE-FE After receiving the delivery policy, the response can be replied to the PD-FE without waiting for the execution result of step 506 to step 508;
- Step 510 The PD-FE replies to the SCF with a resource request response.
- the method further includes the following steps:
- the HPE-FE performs policy control on the user's service traffic according to the received QoS policy.
- the static QoS policy processing process includes the following steps:
- Step 601 The process of sending a static QoS policy to the home gateway may be triggered by the home gateway configuration server receiving the home gateway online notification, or triggered by the administrator actively performing the policy configuration;
- Step 602 Co-located PD-FE to the home The HPE-FE on the gateway delivers the Co-located
- Step 603 After receiving the policy, the HPE-FE performs policy control on the service traffic of the user according to the received QoS policy, and replies to the Co-located PD-FE.
- the apparatus, system, and implementation method of the home gateway policy control according to the present invention through the local policy decision function entity on the server for remote control management of the home gateway, can have a large number of home gateways, dispersed at the edge of the network
- the resource admission control function RACF is prevented from directly controlling the home gateway, and the policy is issued to the home gateway.
- the apparatus, system and implementation method of the home gateway policy control according to the present invention by setting a local policy decision function entity on a server for remote control management of the home gateway, can be in a large number of home gateways and dispersed at the edge of the network To avoid the resource admission control function, RACF directly controls the home gateway and delivers policies to the home gateway.
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Description
一种家庭网关策略控制的装置、 系统及其实现方法
技术领域
本发明涉及通信领域, 特别涉及一种家庭网关策略控制的装置、 系统及 其实现方法。 背景技术
下一代网络( Next Generation Network, NGN )由于承载网采用了分组技 术使得其在服务质量( Quality of Service , QoS ) 方面的问题尤其突出。 国际 电信联盟( International Telecommunication Union, ITU )提出了资源接纳控制 功能 ( Resource and Admission Control Function, RACF ) 来解决 NGN承载网 的 QoS问题。 RACF的主要功能是基于运营策略规则, 根据用户签约 QoS信 息和网絡内部可用资源进行资源接纳控制。它对应用层屏蔽了承载层的差异, 将应用层的 QoS属性映射到承载层, 使得承载层传输实体在其指导下能够为 会话的媒体流提供 QoS保障。
在 ITU最新的 RACF草案中, RACF的功能框架如附图 1所示, 其中, 策略决策功能实体( Policy Decision Function Entity, PD-FE )通过 Rs接口从 业务控制功能实体(Service Control Function, SCF )获取媒体流会话信息, 通过 u接口从网洛附属控制功能实体( Network Attachment Control Function, NACF ) 获取用户的传输资源签约信息, 出初步的 QoS资源决策, 然后与 传输资源控制功能实体( Transport Resource Control Function Entity, TRC-FE ) 交互以确认是否有足够的 QoS资源, 最后做出一个最终决策, 并将该决策下 发给策略执行功能实体( Policy Execute Function Entity, PE-FE )执行。
TRC-FE 主要负责资源控制, 它监控网络中的资源并收集相关信息, 在 PD-FE请求资源时根据具体的资源状况给予应答。
PE-FE主要是在 PD-FE的指导下进行策略控制 (门控、 带宽、 流量分类 和标记、 流量整形、 二层和三层 QoS映射、 收集和报告资源使用信息等) 。
TRE-FE协议目前的说明是在 TRC-FE指导下进行与传输技术相关的二层
的策略执行, 但是具体的功能和范围都没有确定。
近年来, 固网运营商来自话音、 纯宽带业务的收入增幅在不断下降, 鉴 于竟争和需求的变化, 固网运营商需要从纯数据、 话音的单业务运营走向应 用、 视频、 语音、 数据结合的多业务运营, 以便留住和吸引更多的家庭用户。 从技术和产品的角度来看, 就需要能支持多业务、 多种端口、 区分不同业务 质量的终端产品, 也就是家庭网关, 其 QoS控制问题则是运营商发展数字家 庭业务的关键所在。
RACF目前对家庭网关进行策略控制的示意图如附图 2所示:
家庭策格执行功能实体( Home Policy Execute Function Entity, HPE-FE ) 是驻留在家庭网关上的策略执行功能实体, 它接受 RACF下发的策略, 并根 据策略对用户的业务流量进行策略控制。
当用户发起一个有 QoS保证的业务时, 会通过业务层的协商确定该业务 的 QoS, 业务控制层根据协商的 QoS向 RACF发起资源请求, 由 RACF生成 传输层的 QoS策略下发给传输层策略执行实体(包括家庭网关上的 HPE-FE ) 执行, 具体流程如附图 3所示, 包括下列步骤:
步骤 301: SCF根据业务层协商的 QoS向 PD-FE发起资源请求; 步骤 302: PD-FE对请求进行授权, 并做出初步的策略决策, 如果 PD-FE 上没有该用户的签约信息, 那么需要与 NACF交互获取;
步骤 303: PD-FE向 TRC-FE请求资源, TRC-FE根据当前资源状况对请 求做出判断, 返回是否有足够的可用资源;
步骤 304: PD-FE根据资源可用性做出最终的接纳策略决策;
步骤 305a、 b: PD-FE分别向 HPE-FE和 PE-FE下发策略;
步骤 306a、 b: HPE-FE和 PE-FE分别向 PD-FE回复应答;
步骤 307: PD-FE向 SCF回复资源请求应答。
但是, 上述方法存在下列问题: 由于家庭网关数量众多, 并且分散在网 络边缘, 对于 RACF来说, 直接去控制家庭网关、 向家庭网关下发策略, 会 使 RACF的功能过于混杂, 相当于集成了部分网管的能力。
发明内容
本发明要解决的技术问题是提供一种家庭网关策略控制的装置、 系统及 实现方法, 以解决 RACF的功能过于混杂的问题。
为解决上述问题, 本发明提供了一种家庭网关策略控制的装置, 其中包 括本地策略决策功能实体;
所述本地策略决策功能实体用于接收网络侧的策略决策功能实体 PD-FE 下发的服务质量 QoS策略并下发到所述家庭网关。
进一步地, 上述装置还可具有以下特征:
所述本地策略决策功能实体设置在对所述家庭网关进行远程控制管理的 服务器上。
进一步地, 上述装置还可具有以下特征:
所述对家庭网关进行远程控制管理的服务器为自动配置服务器 ACS。 进一步地, 上述装置还可具有以下特征:
所述本地策略决策功能实体与所述网絡侧的策略决策功能单元之间采用 Rd接口连接; 所述本地策略决策功能实体与所述家庭网关之间采用 R 接口 连接。
为解决上述问题, 本发明还提供了一种家庭网关策略控制的装置, 其中 包括本地策略决策功能实体;
所述本地策略决策功能实体用于将其上配置的服务质量 QoS策略下发到 所述家庭网关。
为解决上述问题, 本发明还提供了一种家庭网关策略控制的系统, 包括 业务控制功能实体 SCF、 网络侧的策略决策功能实体 PD-FE、 传输资源控制 功能实体 TRC-FE、 策略执行功能实体 PE-FE, 以及用户网絡 CPN,
还包括本地策略决策功能实体; 用于接收所述网络侧的策略决策功能实 体 PD-FE下发的服务质量 QoS策略并下发到用户网络 CPN中的家庭网关;
或将其上配置的 QoS策略下发到所述家庭网关。
进一步地, 上述系统还可具有以下特征:
所述用户网络 CPN中的家庭网关包括策略执行功能实体 HPE-FE , 用于 接收所述本地策略决策功能实体下发的服务质量策略, 并根据所述服务质量 策略对用户的业务流量进行策略控制。
进一步地, 上述系统还可具有以下特征:
所述本地策略决策功能实体设置在对所述家庭网关进行远程控制管理的 服务器上。
为解决上述问题, 本发明还提供了一种家庭网关策略控制的实现方法, 包括下列步骤:
本地策略决策功能实体接收网络侧的策略决策功能实体 PD-FE下发的服 务质量 QoS策略或本地配置有所述 QoS策略;
所述本地策略决策功能实体将所述 QoS策略下发到所述家庭网关。
进一步地, 上述方法还可具体包括以下步骤:
用户发起一个有 QoS保证的业务, 业务层根据协商确定该业务的 QoS, 业务控制功能实体 SCF根据所述业务层协商的服务质量 QoS策略向所述网络 侧的策略决策功能实体 PD-FE发起资源请求;
所述 PD-FE对所述资源请求进行授权, 并做出初步的策略决策, 然后向 传输资源控制功能实体 TRC-FE请求资源;
所述 TRC-FE根据当前资源状况对所述资源请求做出判断, 返回是否有 足够的可用资源的资源可用性信息;
所述 PD-FE根据资源可用性信息做出最终的接纳策略决策, 分别向策略 执行功能实体 PE-FE和所述本地策略决策功能实体下发策略;
所述本地策略决策功能实体收到策略后,根据策略选择合适的家庭网关, 并根据家庭网关的能力, 将策略翻译成家庭网关上的策略执行功能实体 HPE-FE能支持的策略;
本地策略决策功能实体向选定的家庭网关上的策略执行功能实体
HPE-FE下发合适的策略;
所述 HPE-FE根据接收到的 QoS策略对用户的业务流量进行策略控制。 进一步地, 上述方法还可具有以下特征:
在所述 HPE-FE收到所述 QoS策略后, 还包括以下步骤:
所述 HPE-FE向本地策略决策功能实体回应答消息; 所述本地策略决策 功能实体向所述 PD-FE回复应答;
而在所述 PE-FE收到所述 QoS策略后, 还包括以下步骤:
所述 PE-FE向所述 PD-FE回复应答;
而所述 PD-FE在收到所述 PE-FE及所述本地策略决策功能实体回复的应 答消息后, 向所述 SCF回复资源请求应答。
进一步地, 上述方法还可具体包括以下步骤:
家庭网关配置服务器收到家庭网关上线通知时, 或者管理员主动进行策 略配置时,本地策略决策功能实体向家庭网关上的策略执行功能实体 HPE-FE 下发静态 QoS策略;
所述 HPE-FE收到所述静态 QoS策略后, 根据所述 QoS策略对用户的业 务流量进行策略控制, 并向所述本地策略决策功能实体回复应答。
本发明的有益效果是: 依照本发明的家庭网关策略控制的装置、 系统及 其实现方法, 通过在家庭网关进行远程控制管理的服务器上设置本地策略决 策功能实体, 能够在家庭网关数量众多、 且分散在网络边缘的情况下, 避免 资源接纳控制功能 RACF直接控制家庭网关, 向家庭网关下发策略。 附图概述
图 1为现有技术中 ITU-T 的资源接纳控制子系统 RACF的架构图; 图 2为现有技术中 RACF控制家庭网关的示意图;
图 3为现有技术策略控制流程示意图;
图 4为本发明实施例中 RACF通过策略代理功能控制家庭网关的示意图; 图 5为本发明实施例中对家庭网关进行动态策略控制的流程图; 图 6为本发明实施例中对家庭网关进行静态策略控制的流程图。 本发明的较佳实施方式
下面将结合附图及实施例对本发明的技术方案进行更详细的说明。
以下, 参考附图 4~6详细描述本发明的家庭网关策略控制的装置、 系统 及其实现方法。
由于家庭网关数量众多, 并且分散在网络边缘, 因此, 对于家庭网关, 可用家庭网关策略控制装置中包括的本地( Co-located )PD-FE进行策略控制, 如图 4所示, 可以将 Co-located PD-FE部署在现有的对家庭网关进行远程控 制管理的服务器上,例如, 自动配置服务器( Auto-Configuration Server, ACS ) 上, Co-located PD-FE与 PD-FE之间釆用 Rd接口( Diameter协议), Co-located PD-FE和家庭网关的 HPE-FE之间釆用 Rh接口传递策略( TR069协议)。 其 中, 该 Co-located PD-FE用于接收网络侧 PD-FE下发的 QoS策略并下发到家 庭网关, 或将其上配置的 QoS策略下发到该家庭网关。
如图 4所示, 家庭网关策略控制的系统中, 除包括上述 Co-located PD-FE 夕卜, 还包括 SCF、 网络侧 PD-FE、 TRC-FE、 PE-FE以及用户网络 CPN。 其中, 各网元的具体功能可通过下述方法体现, 在此不再进行赞述。
对家庭网关进行 QoS策略控制, 可以采用动态和静态两种方式。
动态 QoS策略控制是当用户动态的发起一项业务时,由 SCF根据业务的 QoS需求向 RACF发起相应的 QoS策略请求, RACF根据资源状况进行接纳 决策, 如果接纳, 就生成 QoS策略, 下发到 HPE-FE和 PE-FE执行策略; 当 业务终止时再动态取消相应的策略。
静态 QoS策略控制是当用户上线时, 或者通过远程配置, 将一些针对用 户签约业务的 QoS策略下发到家庭网关上, 家庭网关的 HPE-FE根据这些静 态策略对用户的相应业务进行 QoS保证。
下面描述具体的策略控制方法。
如图 5所示, 为动态的 QoS策略处理流程, 包括下列步骤:
步骤 501 : 用户发起一个有 QoS保证的业务, 业务层才艮据协商确定该业 务的 QoS, SCF根据业务层协商的 QoS向 PD-FE发起资源请求;
步骤 502: PD-FE对请求进行授权, 并做出初步的策略决策, 如果 PD-FE 上没有该用户的签约信息, 则需要与 NACF交互获取;
步骤 503: PD-FE向 TRC-FE请求资源, TRC-FE根据当前资源状况对请 求做出判断, 返回是否有足够的可用资源的资源可用性信息;
步骤 504: PD-FE根据资源可用性信息做出最终的接纳策略决策; 步珮 505.a、 b: PD-FE分别向 PE-FE和 Co-located PD-FE下发策略; 步骤 506: Co-located PD-FE收到策略后,根据策略选择合适的家庭网关, 并根据家庭网关的能力, 将策略翻译成家庭网关上的 HPE-FE能支持的策略, 其中,合适的家庭网关即为发起有 QoS保证的业务的用户所使用的家庭网关; 步骤 507: Co-located PD-FE向选定的家庭网关上的 HPE-FE下发合适的 策略;
步骤 508: HPE-FE向 Co-located PD-FE回应答消息;
步骤 509.a、 b: PE-FE和 Co-located PD-FE分别向 PD-FE回复应答; 其中 , 需要说明的是, 步骤 509a和步骤 506至步骤 508之间没有次序关 系, 即 PE-FE在收到下发策略后就可以向 PD-FE回复应答, 不需要等待步骤 506至步骤 508的执行结果;
步骤 510: PD-FE向 SCF回复资源请求应答。
在步骤 507之后, 还包括以下步骤: HPE-FE根据接收到的 QoS策略对 用户的业务流量进行策略控制。 如图 6所示, 为静态的 QoS策略处理流程, 包括下列步骤:
步骤 601 : 对家庭网关下发静态 QoS策略的处理可以是由家庭网关配置 服务器收到家庭网关上线通知触发,或者是由管理员主动进行策略配置触发; 步骤 602: Co-located PD-FE向家庭网关上的 HPE-FE下发该 Co-located
PD-FE上配置的静态 QoS策略;
步骤 603: HPE-FE收到策略后,根据接收到的 QoS策略对用户的业务流 量进行策略控制, 并向 Co-located PD-FE回复应答。
综上所述, 依照本发明的家庭网关策略控制的装置、 系统及其实现方法, 通过在家庭网关进行远程控制管理的服务器上本地策略决策功能实体, 能够 在家庭网关数量众多, 分散在网络边缘的情况下, 避免资源接纳控制功能 RACF直接控制家庭网关, 向家庭网关下发策略。
工业实用性
依照本发明的家庭网关策略控制的装置、 系统及其实现方法, 通过在家 庭网关进行远程控制管理的服务器上设置本地策略决策功能实体, 能够在家 庭网关数量众多、且分散在网络边缘的情况下,避免资源接纳控制功能 RACF 直接控制家庭网关, 向家庭网关下发策略。
Claims
1、 一种家庭网关策略控制的装置,其特征在于, 包括本地策略决策功 能实体;
所述本地策略决策功能实体用于接收网络侧的策略决策功能实体 PD-FE 下发的服务质量 QoS策略并下发到所述家庭网关。
2、 如权利要求 1所述的家庭网关策略控制的装置, 其特征在于, 所述本地策略决策功能实体设置在对所述家庭网关进行远程控制管理的 服务器上。
3、 如权利要求 2所述的家庭网关策略控制的装置, 其特征在于, 所述对家庭网关进行远程控制管理的服务器为自动配置服务器 ACS。
4、 如权利要求 1或 2或 3所述的家庭网关策略控制的装置,其特征在 于,
所述本地策略决策功能实体与所述网络侧的策略决策功能单元之间采用 Rd接口连接; 所述本地策略决策功能实体与所述家庭网关之间采用 Rh接口 连接。
5、 一种家庭网关策略控制的装置,其特征在于, 包括本地策略决策功 能实体;
所述本地策略决策功能实体用于将其上配置的服务质量 QoS策略下发到 所述家庭网关。
6、 一种家庭网关策略控制的系统, 包括业务控制功能实体 SCF、 网络 侧的策略决策功能实体 PD-FE、传输资源控制功能实体 TRC-FE、策略执行功 能实体 PE-FE, 以及用户网络 CPN, 其特征在于,
还包括本地策略决策功能实体; 用于接收所述网络侧的策略决策功能实 体 PD-FE下发的服务质量 QoS策略并下发到用户网络 CPN中的家庭网关; 或将其上配置的 QoS策略下发到所述家庭网关。
7、 如权利要求 6所述的家庭网关策略控制的系统, 其特征在于, 所述用户网络 CPN中的家庭网关包括策略执行功能实体 HPE-FE , 用于
接收所述本地策略决策功能实体下发的服务质量策略, 并根据所述服务质量 策略对用户的业务流量进行策略控制。
8、 如权利要求 6或 7所述的家庭网关策略控制的系统 , 其特征在于, 所述本地策略决策功能实体设置在对所述家庭网关进行远程控制管理的 服务器上。
9、 一种家庭网关策略控制的实现方法, 其特征在于, 包括下列步骤: 本地策略决策功能实体接收网络侧的策略决策功能实体 PD-FE下发的服 务质量 QoS策略或本地配置有所述 QoS策略;
所述本地策略决策功能实体将所述 QoS策略下发到所述家庭网关。
10、 如权利要求 9所述的家庭网关策略控制的实现方法, 其特征在于, 具体包括以下步骤:
用户发起一个有 QoS保证的业务, 业务层根据协商确定该业务的 QoS, 业务控制功能实体 SCF根据所述业务层协商的服务质量 QoS策略向所述网络 侧的策略决策功能实体 PD-FE发起资源请求;
所述 PD-FE对所述资源请求进行授权, 并做出初步的策略决策, 然后向 传输资源控制功能实体 TRC-FE请求资源;
所述 TRC-FE根据当前资源状况对所述资源请求做出判断, 返回是否有 足够的可用资源的资源可用性信息;
所述 PD-FE根据资源可用性信息做出最终的接纳策略决策, 分别向策略 执行功能实体 PE-FE和所述本地策略决策功能实体下发策略;
所述本地策略决策功能实体收到策略后,根据策略选择合适的家庭网关, 并根据家庭网关的能力, 将策略翻译成家庭网关上的策略执行功能实体 HPE-FE能支持的策略;
本地策略决策功能实体向选定的家庭网关上的策略执行功能实体 HPE-FE下发合适的策略;
所述 HPE-FE根据接收到的 QoS策略对用户的业务流量进行策略控制。
11、 如权利要求 9所述的家庭网关策略控制的实现方法, 其特征在于,
具体包括下列步骤:
家庭网关配置服务器收到家庭网关上线通知时, 或者管理员主动进行策 略配置时,本地策略决策功能实体向家庭网关上的策略执行功能实体 HPE-FE 下发静态 QoS策略;
所述 HPE-FE收到所述静态 QoS策略后, 根据所述 QoS策略对用户的业 务流量进行策略控制 , 并向所述本地策略决策功能实体回复应答。
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