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    ORGANIZING EXECUTION OF DISTRIBUTED OPERATING SYSTEMS FOR NETWORK DEVICES
    2.
    发明申请
    ORGANIZING EXECUTION OF DISTRIBUTED OPERATING SYSTEMS FOR NETWORK DEVICES 有权

    公开(公告)号：US20220217053A1

    公开(公告)日：2022-07-07

    申请号：US17656353

    申请日：2022-03-24

    申请人： Juniper Networks, Inc.

    发明人： David M. Katz ,  Ross W. Callon ,  Scott Mackie ,  Dennis C. Ferguson

    IPC分类号： H04L41/12 ,  H04L45/48 ,  G06F9/48 ,  H04L45/02 ,  G06F9/50 ,  G06F11/20

    摘要： In general, techniques are described for organizing execution of distributed operating systems for network devices. A device comprising hardware computing nodes may be configured to perform the techniques. The hardware computing nodes may execute a protocol by which to discover a topology of the plurality of hardware computing nodes, and determine, based on the topology, a subset of the plurality of hardware computing nodes to manage execution of a distributed operating system. The determined subset of the plurality of hardware computing nodes may execute a communication bus by which to synchronize operating system state information between the subset of the plurality of hardware computing nodes. The hardware computing nodes may further execute, based on the operating system state information, the distributed operating system to provide an execution environment in which one or more applications execute.

    Communicating state information in distributed operating systems
    4.
    发明授权
    Communicating state information in distributed operating systems 有权

    公开(公告)号：US11265216B2

    公开(公告)日：2022-03-01

    申请号：US17135421

    申请日：2020-12-28

    申请人： Juniper Networks, Inc.

    发明人： David M. Katz ,  Ross W. Callon ,  Scott Mackie ,  Dennis C. Ferguson

    IPC分类号： H04L12/24 ,  G06F16/901 ,  G06F9/54 ,  G06F16/27 ,  H04L29/08 ,  H04L41/084 ,  H04L41/0816 ,  H04L67/10 ,  H04L41/08

    摘要： In general, techniques are described for communicating state information in distribute operating system. A network device comprises a first hardware node and a second hardware node. The first hardware node may execute a first instance of a distributed operating system, and maintain a first data structure that stores a plurality of objects defining a portion of state information. The second hardware node may execute a second instance of the distributed operating system, and maintain a second data structure that stores synchronized versions of the plurality of objects. The first hardware node may further receive updated state information, update the first data structure to include the updated state information, and synchronize the updated first data structure with the second data structure. The second hardware node may synchronize the second data structure with the updated first data structure.

    COMMUNICATING STATE INFORMATION IN DISTRIBUTED OPERATING SYSTEMS
    5.
    发明申请
    COMMUNICATING STATE INFORMATION IN DISTRIBUTED OPERATING SYSTEMS 有权

    公开(公告)号：US20210119872A1

    公开(公告)日：2021-04-22

    申请号：US17135421

    申请日：2020-12-28

    申请人： Juniper Networks, Inc.

    发明人： David M. Katz ,  Ross W. Callon ,  Scott Mackie ,  Dennis C. Ferguson

    IPC分类号： H04L12/24 ,  G06F9/54 ,  G06F16/27 ,  G06F16/901

    摘要： In general, techniques are described for communicating state information in distribute operating system. A network device comprises a first hardware node and a second hardware node. The first hardware node may execute a first instance of a distributed operating system, and maintain a first data structure that stores a plurality of objects defining a portion of state information. The second hardware node may execute a second instance of the distributed operating system, and maintain a second data structure that stores synchronized versions of the plurality of objects. The first hardware node may further receive updated state information, update the first data structure to include the updated state information, and synchronize the updated first data structure with the second data structure. The second hardware node may synchronize the second data structure with the updated first data structure.

    Packet spraying for load balancing across multiple packet processors
    10.
    发明授权
    Packet spraying for load balancing across multiple packet processors 有权
    数据包喷涂用于跨多个数据包处理器的负载平衡

    公开(公告)号：US09185046B2

    公开(公告)日：2015-11-10

    申请号：US13857537

    申请日：2013-04-05

    申请人： Juniper Networks, Inc.

    发明人： Dennis C. Ferguson ,  Chi-Chung Chen ,  Thomas M. Skibo

    IPC分类号： G01R31/08 ,  H04L12/873 ,  H04L12/773 ,  H04L12/801 ,  H04L12/803

    CPC分类号： H04L47/522 ,  H04L45/60 ,  H04L47/10 ,  H04L47/125

    摘要： A network device includes multiple packet processing engines implemented in parallel with one another. A spraying component distributes incoming packets to the packet processing engines using a spraying technique that load balances the packet processing engines. In particular, the spraying component distributes the incoming packets based on queue lengths associated with the packet processing engines and based on a random component. In one implementation, the random component is a random selection from all the candidate processing engines. In another implementation, the random component is a weighted random selection in which the weights are inversely proportional to the queue lengths.

    摘要翻译： 网络设备包括彼此并行实现的多个分组处理引擎。 喷射组件使用喷射技术将传入的分组分发到分组处理引擎，该技术负载平衡分组处理引擎。 特别地，喷射组件基于与分组处理引擎相关联的队列长度并基于随机分量来分发输入分组。 在一个实现中，随机分量是来自所有候选处理引擎的随机选择。 在另一实现中，随机分量是加权随机选择，其中权重与队列长度成反比。