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    MANAGING MULTICAST SERVICE CHAINS IN A CLOUD ENVIRONMENT
    31.
    发明申请
    MANAGING MULTICAST SERVICE CHAINS IN A CLOUD ENVIRONMENT 审中-公开

    公开(公告)号：US20190342354A1

    公开(公告)日：2019-11-07

    申请号：US15968690

    申请日：2018-05-01

    Applicant: Cisco Technology, Inc.

    Inventor： Hendrikus GP Bosch ,  Jeffrey Napper ,  Andre Surcouf ,  Alessandro Duminuco ,  Subhasri Dhesikan ,  Sape Jurriën Mullender

    IPC: H04L29/06 ,  H04L29/08 ,  H04L12/18

    Abstract: Techniques for provisioning multicast chains in a cloud-based environment are described herein. In an embodiment, an orchestration system sends a particular model of a distributed computer program application comprising one or more sources, destinations, and virtualized appliances for initiation by one or more host computers to a software-defined networking (SDN) controller. The SDN controller determines one or more locations for the virtualized appliances and generates a particular updated model of the distributed computer program application, the updated model comprising the one or more locations for the virtualized appliances. The SDN controller sends the updated model of the distributed computer program application to the orchestration system. The orchestration system uses the particular updated model to generate a mapping of virtualized appliances to available host computers of the one or more host computers based, at least in part, on the particular updated model of the distributed computer program application. Using the mapping of virtualized appliances to available host computers, the orchestration system sends instructions for initiating the virtualized appliances on the available host computers to one or more cloud management systems.

    Chaining service zones by way of route re-origination
    32.
    发明授权
    Chaining service zones by way of route re-origination 有权

    公开(公告)号：US10270843B2

    公开(公告)日：2019-04-23

    申请号：US15711235

    申请日：2017-09-21

    Applicant: Cisco Technology, Inc.

    Inventor： Hendrikus G. P. Bosch ,  James Guichard ,  Dave Barach ,  Alessandro Duminuco ,  Luyuan Fang ,  Paul Quinn ,  Rex Fernando ,  David Ward

    IPC: H04L29/08 ,  H04L12/715 ,  H04L12/751

    Abstract: Presented herein are techniques for use in a network environment that includes one or more service zones, each service zone including at least one instance of an in-line application service to be applied to network traffic and one or more routers to direct network traffic to the at least one service, and a route target being assigned to a unique service zone to serve as a community value for route import and export between routers of other service zones, destination networks or source networks via a control protocol. An edge router in each service zone or destination network advertises routes by its destination network prefix tagged with its route target. A service chain is created by importing and exporting of destination network prefixes by way of route targets at edge routers of the service zones or source networks.

    DISTRIBUTED NETWORK ADDRESS AND PORT TRANSLATION FOR MIGRATING FLOWS BETWEEN SERVICE CHAINS IN A NETWORK ENVIRONMENT
    38.
    发明申请
    DISTRIBUTED NETWORK ADDRESS AND PORT TRANSLATION FOR MIGRATING FLOWS BETWEEN SERVICE CHAINS IN A NETWORK ENVIRONMENT 有权
    分布式网络地址和端口翻译在网络环境中的服务链之间的移动流

    公开(公告)号：US20150365323A1

    公开(公告)日：2015-12-17

    申请号：US14301767

    申请日：2014-06-11

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Alessandro Duminuco ,  Hendrikus G. P. Bosch ,  Jeffrey Napper

    IPC: H04L12/741 ,  H04L12/851 ,  H04L12/801

    CPC classification number: H04L45/745 ,  H04L47/18 ,  H04L47/2441

    Abstract: An example method for distributed network address and port translation (NAPT) for migrating flows between service chains in a network environment is provided and includes distributing translation state for a flow traversing the network across a plurality of NAPT service nodes in the network, with packets belonging to the flow being translated according to the translation state, associating the flow with a first service chain at a flow classifier in the network, and updating the association when the flow migrates from the first service chain to a second service chain, with packets belonging to the migrated flow also being translated according to the translation state. The method may be executed at a pool manager in the network. In specific embodiments, the pool manager may include a distributed storage located across the plurality of NAPT service nodes.

    Abstract translation: 提供了一种用于在网络环境中的服务链之间迁移流的分布式网络地址和端口转换（NAPT）的示例方法，并且包括：跨越网络中的多个NAPT服务节点的跨流过的流的分发转换状态，分组属于 根据所述翻译状态对所述流进行翻译，将所述流与所述网络中的流分类器处的第一服务链相关联，以及当所述流从所述第一服务链迁移到第二服务链时更新所述关联，其中分组属于 迁移流也根据翻译状态进行翻译。 该方法可以在网络中的池管理器处执行。 在具体实施例中，池管理器可以包括跨越多个NAPT服务节点的分布式存储器。

    PROVIDING VIRTUAL PRIVATE SERVICE CHAINS IN A NETWORK ENVIRONMENT
    39.
    发明申请
    PROVIDING VIRTUAL PRIVATE SERVICE CHAINS IN A NETWORK ENVIRONMENT 有权
    在网络环境中提供虚拟的私人服务链

    公开(公告)号：US20150365322A1

    公开(公告)日：2015-12-17

    申请号：US14304043

    申请日：2014-06-13

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Kevin D. Shatzkamer ,  James N. Guichard ,  Hendrikus G. P. Bosch ,  Alessandro Duminuco ,  Humberto J. La Roche ,  Jeffrey Napper

    IPC: H04L12/741 ,  H04L12/851 ,  H04L12/721

    CPC classification number: H04L45/74 ,  H04L45/306 ,  H04L45/38 ,  H04L47/2441 ,  H04L47/2483

    Abstract: A method provided in one embodiment includes receiving a first data packet of a data flow at a first classifier in which the first data packet includes a first identifier. The method further includes determining a second classifier associated with the first identifier in which the second classifier is further associated with at least one service chain of a service chain environment. The method still further includes forwarding the first data packet to the second classifier. The second classifier is configured to receive the first data packet, determine a particular service chain of the at least one service chain to which the first data packet is to be forwarded, and forward the first data packet to the particular service chain.

    Abstract translation: 在一个实施例中提供的方法包括在第一分类器处接收数据流的第一数据分组，其中第一数据分组包括第一标识符。 该方法还包括确定与第一标识符相关联的第二分类器，其中第二分类器进一步与服务链环境的至少一个服务链相关联。 该方法还包括将第一数据分组转发到第二分类器。 第二分类器被配置为接收第一数据分组，确定要转发第一数据分组的至少一个服务链的特定服务链，并将第一数据分组转发到特定服务链。

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