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    MULTI-DESTINATION FORWARDING IN NETWORK CLOUDS WHICH INCLUDE EMULATED SWITCHES
    2.
    发明申请
    MULTI-DESTINATION FORWARDING IN NETWORK CLOUDS WHICH INCLUDE EMULATED SWITCHES 有权
    包括仿真开关的网络云中的多目标转发

    公开(公告)号：US20120027017A1

    公开(公告)日：2012-02-02

    申请号：US12848048

    申请日：2010-07-30

    申请人： Smita RAI ,  Gayatri Ramachandran ,  Santosh Rajagopalan ,  Chandan Mishra ,  Sanjay Sane ,  Hariharan Balasubramanian

    发明人： Smita RAI ,  Gayatri Ramachandran ,  Santosh Rajagopalan ,  Chandan Mishra ,  Sanjay Sane ,  Hariharan Balasubramanian

    IPC分类号： H04L12/56

    CPC分类号： H04L12/18 ,  H04L12/1886 ,  H04L43/50 ,  H04L47/125 ,  H04L47/15 ,  H04L47/32

    摘要： Techniques are described which facilitate multi-destination forwarding in a Layer 2 Multipath (L2MP) network which includes an emulated switch. The emulated switch may correspond to two or more underlying peer link switches in the L2MP network, in which each of the peer link switches is linked to a Classical Ethernet (CE) switch over a virtual port channel (vPC). Traffic received by one of the peer link switches over the vPC is automatically forwarded to the other peer link switch (or switches). Multi-destination frames originating from the L2MP network addressed to hosts within the CE network are sent over only one of the peer link switches.

    摘要翻译： 描述了在包括仿真开关的二层多路径（L2MP）网络中促进多目的地转发的技术。 仿真交换机可以对应于L2MP网络中的两个或更多个底层对等链路交换机，其中每个对等链路交换机通过虚拟端口信道（vPC）链接到经典以太网（CE）交换机。 通过vPC上的一个对等链路交换机接收到的流量将自动转发到另一个对等链路交换机（或交换机）。 通过寻址到CE网络内的主机的源自L2MP网络的多目标帧仅通过一个对等链路交换机发送。

    METHOD AND APPARATUS FOR SEQUENCING OPERATIONS FOR AN INCOMING INTERFACE CHECK IN DATA CENTER ETHERNET
    6.
    发明申请
    METHOD AND APPARATUS FOR SEQUENCING OPERATIONS FOR AN INCOMING INTERFACE CHECK IN DATA CENTER ETHERNET 有权
    数据中心以太网接收接口检测操作的方法和装置

    公开(公告)号：US20110038257A1

    公开(公告)日：2011-02-17

    申请号：US12539073

    申请日：2009-08-11

    申请人： Ayan Banerjee ,  Raghava Sivaramu ,  Hariharan Balasubramanian ,  Abhay Roy ,  Santosh Rajagopalan ,  Ronak Desai

    发明人： Ayan Banerjee ,  Raghava Sivaramu ,  Hariharan Balasubramanian ,  Abhay Roy ,  Santosh Rajagopalan ,  Ronak Desai

    IPC分类号： G06F11/00

    CPC分类号： H04L41/0816

    摘要： In one embodiment, a method includes obtaining an indication that a state associated with a node is to be changed and preventing data from being received on a first link. The method also includes updating at least one selected from a group including an incoming interface check (IIC) table and an outgoing interface (OIF) table to reflect the state. The state indicates that a second link is to be activated. Finally, the method includes allowing the data to be received on the second link after updating either or both the IIC table and the OIF table and after the timer duration for the NULL value for IIC has expired.

    摘要翻译： 在一个实施例中，一种方法包括获得与节点相关联的状态将被改变并防止在第一链路上接收数据的指示。 该方法还包括更新从包括入局接口检查（IIC）表和出局接口（OIF）表的组中选出的至少一个以反映该状态。 状态表示第二个链接被激活。 最后，该方法包括允许在更新IIC表和OIF表之一或两者之后以及在IIC的NULL值的定时器持续时间已经到期之后在第二链路上接收数据。

    N_Port ID Virtualization node redundancy
    7.
    发明申请
    N_Port ID Virtualization node redundancy 有权
    N_Port ID虚拟化节点冗余

    公开(公告)号：US20110228670A1

    公开(公告)日：2011-09-22

    申请号：US12661679

    申请日：2010-03-22

    申请人： Christian Sasso ,  Hariharan Balasubramanian ,  Vithal Shirodkar ,  Ronak Desai ,  Ankur Goyal ,  Santosh Rajagopalan

    发明人： Christian Sasso ,  Hariharan Balasubramanian ,  Vithal Shirodkar ,  Ronak Desai ,  Ankur Goyal ,  Santosh Rajagopalan

    IPC分类号： G06F11/00

    CPC分类号： H04L45/12 ,  H04L41/0668 ,  H04L45/02 ,  H04L45/22 ,  H04L45/28 ,  H04L45/586 ,  H04L49/357 ,  H04L49/70

    摘要： In one embodiment, a method includes establishing a link between two N_Port Identifier Virtualization (NPIV) switches, the link having a high cost assigned thereto. The NPIV switches are in communication with a plurality of hosts through an N_Port Virtualization (NPV) device. The method further includes receiving at a first of the NPIV switches, an indication of a failure at a second of the NPIV switches, receiving data at the first NPIV switch, the data destined for one of the hosts associated with a domain of the second NPIV switch, and forwarding the data to the NPV device for delivery to the host, wherein a Fibre Channel Identifier (FCID) of the host is the same before and after the failure at the second NPIV switch. An apparatus is also disclosed.

    摘要翻译： 在一个实施例中，一种方法包括在两个N_Port标识符虚拟化（NPIV）交换机之间建立链路，该链路具有高成本分配给它。 NPIV交换机通过N_Port虚拟化（NPV）设备与多个主机通信。 该方法还包括在第一NPIV交换机处接收在第一NPIV交换机的第二个NPIV交换机处的故障的指示，在第一NPIV交换机处接收数据，指向与第二NPIV的域相关联的主机之一的数据 切换并将数据转发到NPV设备以传送到主机，其中主机的光纤通道标识符（FCID）在第二NPIV交换机故障之前和之后是相同的。 还公开了一种装置。

    N—port ID virtualization node redundancy
    8.
    发明授权
    N—port ID virtualization node redundancy 有权
    N端口ID虚拟化节点冗余

    公开(公告)号：US08593943B2

    公开(公告)日：2013-11-26

    申请号：US12661679

    申请日：2010-03-22

    申请人： Christian Sasso ,  Hariharan Balasubramanian ,  Vithal Shirodkar ,  Ronak Desai ,  Ankur Goyal ,  Santosh Rajagopalan

    发明人： Christian Sasso ,  Hariharan Balasubramanian ,  Vithal Shirodkar ,  Ronak Desai ,  Ankur Goyal ,  Santosh Rajagopalan

    IPC分类号： G01R31/08 ,  H04L12/28

    CPC分类号： H04L45/12 ,  H04L41/0668 ,  H04L45/02 ,  H04L45/22 ,  H04L45/28 ,  H04L45/586 ,  H04L49/357 ,  H04L49/70

    摘要： In one embodiment, a method includes establishing a link between two N_Port Identifier Virtualization (NPIV) switches, the link having a high cost assigned thereto. The NPIV switches are in communication with a plurality of hosts through an N_Port Virtualization (NPV) device. The method further includes receiving at a first of the NPIV switches, an indication of a failure at a second of the NPIV switches, receiving data at the first NPIV switch, the data destined for one of the hosts associated with a domain of the second NPIV switch, and forwarding the data to the NPV device for delivery to the host, wherein a Fibre Channel Identifier (FCID) of the host is the same before and after the failure at the second NPIV switch. An apparatus is also disclosed.

    摘要翻译： 在一个实施例中，一种方法包括在两个N_Port标识符虚拟化（NPIV）交换机之间建立链路，该链路具有高成本分配给它。 NPIV交换机通过N_Port虚拟化（NPV）设备与多个主机通信。 该方法还包括在第一NPIV交换机处接收在第一NPIV交换机的第二个NPIV交换机处的故障的指示，在第一NPIV交换机处接收数据，指向与第二NPIV的域相关联的主机之一的数据 切换并将数据转发到NPV设备以传送到主机，其中主机的光纤通道标识符（FCID）在第二NPIV交换机故障之前和之后是相同的。 还公开了一种装置。

    Method and apparatus for sequencing operations for an incoming interface check in data center ethernet
    9.
    发明授权
    Method and apparatus for sequencing operations for an incoming interface check in data center ethernet 有权
    数据中心以太网中进入接口检查的排序操作的方法和装置

    公开(公告)号：US08514876B2

    公开(公告)日：2013-08-20

    申请号：US12539073

    申请日：2009-08-11

    申请人： Ayan Banerjee ,  Raghava Sivaramu ,  Hariharan Balasubramanian ,  Abhay Roy ,  Santosh Rajagopalan ,  Ronak Desai

    发明人： Ayan Banerjee ,  Raghava Sivaramu ,  Hariharan Balasubramanian ,  Abhay Roy ,  Santosh Rajagopalan ,  Ronak Desai

    IPC分类号： H04L12/28

    CPC分类号： H04L41/0816

    摘要： In one embodiment, a method includes obtaining an indication that a state associated with a node is to be changed and preventing data from being received on a first link. The method also includes updating at least one selected from a group including an incoming interface check (IIC) table and an outgoing interface (OIF) table to reflect the state. The state indicates that a second link is to be activated. Finally, the method includes allowing the data to be received on the second link after updating either or both the IIC table and the OIF table and after the timer duration for the NULL value for IIC has expired.

    摘要翻译： 在一个实施例中，一种方法包括获得与节点相关联的状态将被改变并防止在第一链路上接收数据的指示。 该方法还包括更新从包括入局接口检查（IIC）表和出局接口（OIF）表的组中选出的至少一个以反映该状态。 状态表示第二个链接被激活。 最后，该方法包括允许在更新IIC表和OIF表之一或两者之后以及在IIC的NULL值的定时器持续时间已经到期之后在第二链路上接收数据。

    Per-Group ECMP for Multidestination Traffic in DCE/TRILL Networks
    10.
    发明申请
    Per-Group ECMP for Multidestination Traffic in DCE/TRILL Networks 审中-公开
    DCE / TRILL网络中多业务流量的每组ECMP

    公开(公告)号：US20130083660A1

    公开(公告)日：2013-04-04

    申请号：US13251957

    申请日：2011-10-03

    申请人： Santosh Rajagopalan ,  Ajay Kulhari ,  Hariharan Balasubramanian

    发明人： Santosh Rajagopalan ,  Ajay Kulhari ,  Hariharan Balasubramanian

    IPC分类号： H04L12/56 ,  H04L12/26

    CPC分类号： H04L12/185 ,  H04L41/12 ,  H04L45/245 ,  H04L45/32 ,  H04L45/66 ,  Y02B70/30 ,  Y02D50/30

    摘要： Consistent with embodiments of the present disclosure, systems and methods are disclosed for providing per-group ECMP for multidestination traffic in a DCE/TRILL network. Embodiments enable per-group load balancing of multidestination traffic in DCE/L2MP networks by creating a new IS-IS PDU to convey the affinity of the parent node for a given multicast group. For broadcast and unknown unicast flooded traffic, the load balancing may be done on a per-vlan basis.

    摘要翻译： 与本公开的实施例一致，公开了用于为DCE / TRILL网络中的多目的地业务提供每组ECMP的系统和方法。 通过创建新的IS-IS PDU来传达给定组播组的父节点的亲和度，实现使得在DCE / L2MP网络中的多业务流量的每组负载平衡。 对于广播和未知的单播淹没流量，可以在每个vlan的基础上进行负载均衡。