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    Weighted equal cost multipath routing
    7.
    发明授权
    Weighted equal cost multipath routing 有权
    加权等成本多径路由

    公开(公告)号：US09502111B2

    公开(公告)日：2016-11-22

    申请号：US14450106

    申请日：2014-08-01

    申请人： Cisco Technology, Inc.

    发明人： Sarang Dharmapurikar ,  Mohammadreza Alizadeh Attar ,  Navindra Yadav ,  Ramanan Vaidyanathan ,  Kit Chiu Chu

    IPC分类号： H04L12/28 ,  G11C15/04 ,  H04L12/707 ,  H04L12/803

    CPC分类号： H04L45/7453 ,  G06F9/30018 ,  G06K15/107 ,  G11C11/4096 ,  G11C15/00 ,  G11C15/04 ,  G11C2207/002 ,  H04L45/24 ,  H04L47/125

    摘要： In some implementations, network traffic can be routed along equal cost paths based on weights assigned to each path. For example, weighted equal cost multipath routing can be implemented by assigning weights to each equal cost path (e.g., uplink, next hop node) to a destination device. When the network device receives a packet, the network device can generate a key (e.g., a random value, a hash value based on packet data, a value between 0 and n, etc.). The key can be used to select an uplink or path upon which to forward the packet. A key can be generated for a packet flow or flowlet. Each flow can be associated with the same key so that each packet in a flow will be forwarded along the same path. Each flowlet can be forwarded along a different uplink.

    摘要翻译： 在一些实现中，基于分配给每个路径的权重，网络流量可以沿着相等的成本路径路由。 例如，可以通过向目标设备分配权重给每个相等成本路径（例如，上行链路，下一跳节点）来实现加权等成本多径路由。 当网络设备接收到分组时，网络设备可以生成密钥（例如，随机值，基于分组数据的哈希值，0和n之间的值等）。 密钥可以用于选择转发数据包的上行链路或路径。 可以为分组流或小流生成密钥。 每个流可以与相同的密钥相关联，使得流中的每个分组将沿着相同的路径被转发。 每条流都可以沿不同的上行链路转发。

    SYSTEM AND METHOD FOR CONTINUOUS IN-LINE MONITORING OF DATA-CENTER TRAFFIC
    8.
    发明申请
    SYSTEM AND METHOD FOR CONTINUOUS IN-LINE MONITORING OF DATA-CENTER TRAFFIC 有权

    公开(公告)号：US20210281502A1

    公开(公告)日：2021-09-09

    申请号：US17329288

    申请日：2021-05-25

    申请人： Cisco Technology, Inc.

    发明人： Smita Rai ,  Ajay Modi ,  Krishna Doddapaneni ,  Kit Chiu Chu

    IPC分类号： H04L12/26

    摘要： Disclosed is a method for continuous in-line monitoring of data-centric traffic to guarantee application performance. The method includes, in each switch of a plurality of switches in a network fabric, grouping all packets entering each respective switch of the plurality of switches based on either 5-tuple applications or EPG based applications, collecting performance statistics at every hop in the network fabric across all flows in-line in a flow table maintained in each respective switch and periodically exporting the performance statistics to analysis module.

    System and method for continuous in-line monitoring of data-center traffic
    9.
    发明授权
    System and method for continuous in-line monitoring of data-center traffic 有权

    公开(公告)号：US11038788B2

    公开(公告)日：2021-06-15

    申请号：US16557355

    申请日：2019-08-30

    申请人： Cisco Technology, Inc.

    发明人： Smita Rai ,  Ajay Modi ,  Krishna Doddapaneni ,  Kit Chiu Chu

    IPC分类号： H04W56/00 ,  H04L12/26

    摘要： Disclosed is a method for continuous in-line monitoring of data-centric traffic to guarantee application performance. The method includes, in each switch of a plurality of switches in a network fabric, grouping all packets entering each respective switch of the plurality of switches based on either 5-tuple applications or EPG based applications, collecting performance statistics at every hop in the network fabric across all flows in—line in a flow table maintained in each respective switch and periodically exporting the performance statistics to analysis module.