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    Stacking Metadata Contexts for Service Chains
    181.
    发明申请
    Stacking Metadata Contexts for Service Chains 有权
    堆栈服务链的元数据上下文

    公开(公告)号：US20140362857A1

    公开(公告)日：2014-12-11

    申请号：US13910179

    申请日：2013-06-05

    Applicant: Cisco Technology, Inc.

    Inventor： James Guichard ,  Paul Quinn ,  David Ward ,  Surendra Kumar ,  Nagaraj A. Bagepalli ,  Michael R. Smith ,  Navindra Yadav

    IPC: H04L12/721

    CPC classification number: H04L45/566 ,  H04L45/306 ,  H04L69/22

    Abstract: Presented herein are techniques useful in a network comprising a plurality of network nodes each configured to apply one or more service functions to traffic that passes through the respective network nodes. A network node receives packets encapsulated in a service header that includes information defining a variable set of context headers stacked into an association of metadata that is relevant to one or more service functions within a service path comprised of one or more network nodes. The network node interprets a forwarding state and a next-hop network node for the service path from the service header, and determines a service action or associated metadata from the set of context headers.

    Abstract translation: 这里呈现的是在网络中有用的技术，其包括多个网络节点，每个网络节点被配置为将一个或多个服务功能应用于通过各个网络节点的业务。 网络节点接收封装在服务头部中的分组，该分组包括定义一组上下文标题的信息，这些信息堆叠成与由一个或多个网络节点组成的服务路径内的一个或多个服务功能相关的元数据关联。 网络节点从服务头解释用于服务路径的转发状态和下一跳网络节点，并且从上下文头集合中确定服务动作或相关联的元数据。

    SYSTEM AND METHOD FOR PROVIDING SMART GRID COMMUNICATIONS AND MANAGEMENT
    182.
    发明申请
    SYSTEM AND METHOD FOR PROVIDING SMART GRID COMMUNICATIONS AND MANAGEMENT 审中-公开
    用于提供智能网通信和管理的系统和方法

    公开(公告)号：US20140146816A1

    公开(公告)日：2014-05-29

    申请号：US14168487

    申请日：2014-01-30

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Jeffrey D. Taft ,  Navindra Yadav

    IPC: H04L12/18

    CPC classification number: H04L12/1863 ,  H04L12/1836 ,  H04L12/185 ,  H04L45/16 ,  H04L49/15 ,  H04L49/35 ,  H04L67/125 ,  H04L69/22

    Abstract: A method is provided in one example embodiment and includes receiving a request for a service that involves phasor measurement unit (PMU) data; identifying a service device in a network to perform the service; and multicasting one or more results of the service to a group of subscribers identified by a multicast group address. In more particular embodiments, particular PMU data is redirected to the service device via a service insertion architecture (SIA) protocol. In addition, the service can include replicating packets and masking a subset of traffic for forwarding to a first hop router of the network. In certain example instances, metadata is used in order to apply the service to certain traffic propagating in the network.

    Abstract translation: 在一个示例实施例中提供了一种方法，并且包括接收对涉及相量测量单元（PMU）数据的服务的请求; 识别网络中的服务设备来执行所述服务; 以及将一个或多个服务结果多播到由多播组地址标识的一组订户。 在更具体的实施例中，特定PMU数据经由服务插入架构（SIA）协议被重定向到服务设备。 此外，该服务可以包括复制分组并且掩蔽用于转发到网络的第一跳路由器的流量子集。 在某些示例实例中，使用元数据来将服务应用于在网络中传播的某些流量。

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