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    Multiple mobility domains with VLAN translation in a multi-tenant network environment
    3.
    发明授权
    Multiple mobility domains with VLAN translation in a multi-tenant network environment 有权
    在多租户网络环境中具有VLAN转换的多移动域

    公开(公告)号：US09313044B2

    公开(公告)日：2016-04-12

    申请号：US14334413

    申请日：2014-07-17

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Chiajen Tsai ,  Yibin Yang ,  Patnala Debashis Rao ,  Manish Chandra Agrawal ,  Rick Chang

    IPC: H04L12/28 ,  H04L12/46

    CPC classification number: H04L41/0823 ,  G06F9/45558 ,  G06F2009/45595 ,  H04H20/53 ,  H04L12/4641 ,  H04L12/467 ,  H04L12/4675

    Abstract: An example method for facilitating multiple mobility domains with VLAN translation in a multi-tenant network environment is provided and includes detecting attachment of a first virtual machine on a first port and a second virtual machine on a second port of a network element, the first port and the second port being configured with a first mobility domain and a second mobility domain, respectively, and the first and second virtual machines being configured on a same original VLAN, determining whether the original VLAN falls within a pre-configured VLAN range, translating the original VLAN to a first VLAN on the first port corresponding to the first mobility domain and to a second VLAN on the second port corresponding to the second mobility domain, and segregating traffic on the original VLAN into the first VLAN and the second VLAN according to the respective mobility domains for per-port VLAN significance.

    Abstract translation: 提供了一种用于在多租户网络环境中促进具有VLAN转换的多个移动性域的示例性方法，并且包括检测第一虚拟机在网元的第二端口上的第一端口和第二虚拟机上的附件，第一端口 并且第二端口分别被配置有第一移动性域和第二移动性域，并且第一和第二虚拟机被配置在相同的原始VLAN上，确定原始VLAN是否落在预配置的VLAN范围内，翻译 原始VLAN到对应于第一移动性域的第一端口上的第一VLAN和对应于第二移动性域的第二端口上的第二VLAN，并且根据原始VLAN将原始VLAN上的流量分为第一VLAN和第二VLAN 各端口VLAN的移动性域。

    Methods and apparatuses for rapid trill convergence through integration with layer two gateway port
    4.
    发明授权
    Methods and apparatuses for rapid trill convergence through integration with layer two gateway port 有权
    通过与第二层网关端口集成，实现快速收敛的方法和装置

    公开(公告)号：US09203643B2

    公开(公告)日：2015-12-01

    申请号：US13644100

    申请日：2012-10-03

    Applicant: Cisco Technology, Inc.

    Inventor： Yibin Yang ,  Chiajen Tsai ,  Patnala Debashis Rao ,  Yuchen Zhou

    IPC: H04L12/801 ,  H04L12/26 ,  H04L12/24 ,  H04L12/721 ,  H04L12/753 ,  H04L12/46

    CPC classification number: H04L12/462 ,  H04L45/48 ,  H04L45/66

    Abstract: Methods and apparatuses for rapid TRILL convergence are disclosed herein. The methods can be implemented in a network including a plurality of RBridges or in a cloud network environment including a plurality of cloud switch domains. An example method for rapid TRILL convergence can include: Executing a spanning tree protocol (STP) for network topology in a network; and executing a Hello protocol for control and forwarding at the RBridge. The Hello protocol can be configured to elect a designated RBridge and assign an appointed forwarder. The method can also include assigning a transient appointed forwarder during a period of time between convergence of the STP and convergence of the Hello protocol. The transient appointed forwarder can be configured to forward frames in the network during the period of time between convergence of the STP and convergence of the Hello protocol.

    Abstract translation: 本文公开了用于快速TRILL收敛的方法和装置。 该方法可以在包括多个RBridge的网络中或在包括多个云交换机域的云网络环境中实现。 快速TRILL融合的示例方法可以包括：对网络中的网络拓扑执行生成树协议（STP）; 并在RBridge执行Hello协议进行控制和转发。 Hello协议可以配置为选择指定的RBridge并分配指定的转发器。 该方法还可以包括在STP的收敛和Hello协议的收敛之间的一段时间内分配临时指定的转发器。 临时指定的转发器可以配置为在STP收敛和Hello协议收敛之间的时间段内转发网络中的帧。

    Scalable multicast route distribution in a multitenant data center fabric in a network environment
    5.
    发明授权
    Scalable multicast route distribution in a multitenant data center fabric in a network environment 有权
    网络环境中多租户数据中心架构中的可扩展组播路由分布

    公开(公告)号：US09065661B2

    公开(公告)日：2015-06-23

    申请号：US13787453

    申请日：2013-03-06

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Yibin Yang ,  Chiajen Tsai ,  Liqin Dong ,  Shyam Kapadia

    IPC: H04L12/00 ,  H04L12/18

    CPC classification number: H04L12/18 ,  H04L12/1886 ,  H04L45/16

    Abstract: A method is provided in one example embodiment and includes determining a route target (“RT”) membership for a network element; determining at least one attribute for the RT membership; and advertising the RT membership with the at least one attribute to other network elements. The at least one attribute may include an RT membership type attribute for indicating whether the RT membership is due to a local virtual network connection, transit support, or both. Additionally or alternatively, the at least one attribute may include a distribution tree binding attribute for indicating a distribution tree for the RT membership.

    Abstract translation: 在一个示例实施例中提供了一种方法，并且包括确定网络元件的路由目标（“RT”）成员资格; 确定RT成员资格的至少一个属性; 以及将具有至少一个属性的RT成员资格广告到其他网络元件。 所述至少一个属性可以包括用于指示RT成员资格是由于本地虚拟网络连接，中转支持还是两者的RT成员资格类型属性。 另外或替代地，所述至少一个属性可以包括用于指示RT成员资格的分发树的分发树绑定属性。

    Dynamic Virtual Port Instantiation for Scalable Multitenant Network
    7.
    发明申请
    Dynamic Virtual Port Instantiation for Scalable Multitenant Network 有权
    可扩展多网络的动态虚拟端口实例化

    公开(公告)号：US20150139035A1

    公开(公告)日：2015-05-21

    申请号：US14080916

    申请日：2013-11-15

    Applicant: Cisco Technology, Inc.

    Inventor： Vipin Jain ,  Suran Saminda de Silva ,  Chiajen Tsai ,  Debashis Patnala Rao ,  Yibin Yang ,  Palathingal Frank ,  Shyam Kapadia ,  Vijay Gopal Krishnan

    IPC: H04L12/24

    CPC classification number: H04L41/0816 ,  H04L12/467 ,  H04L12/4675

    Abstract: A leaf switch of a switch fabric includes multiple ports to connect with respective ones of multiple servers. Virtual local area networks (VLANs) are configured on the leaf switch. Dynamic creation of virtual ports is enabled on the leaf switch for at least one of the VLANs on an as needed basis. The leaf switch receives from a particular server connected to a corresponding one of the ports a notification message that a virtual machine is hosted on the particular server. Responsive to the notification message, the leaf switch dynamically creates a virtual port that associates the corresponding one of the ports with the at least one of the VLANs.

    Abstract translation: 交换结构的叶片交换机包括多个端口，用于与多个服务器中的相应服务器进行连接。 虚拟局域网（VLAN）在叶片交换机上配置。 根据需要，在叶片交换机上为至少一个VLAN启用动态创建虚拟端口。 叶片交换机从连接到对应的一个端口的特定服务器接收虚拟机托管在特定服务器上的通知消息。 响应于通知消息，叶片交换机动态地创建将对应的一个端口与至少一个VLAN相关联的虚拟端口。

    System and method for implementing a multilevel data center fabric in a network environment
    8.
    发明授权
    System and method for implementing a multilevel data center fabric in a network environment 有权
    在网络环境中实现多级数据中心架构的系统和方法

    公开(公告)号：US08862772B2

    公开(公告)日：2014-10-14

    申请号：US13647909

    申请日：2012-10-09

    Applicant: Cisco Technology, Inc.

    Inventor： Yibin Yang ,  Chiajen Tsai ,  Liqin Dong

    IPC: G06F15/173

    CPC classification number: H04L45/02 ,  H04L45/04

    Abstract: A method is provided in one example embodiment and includes determining whether a first network element with which a second network element is attempting to establish an adjacency is a client type element. If the first network element is determined to be a client type element, the method further includes determining whether the first and second network elements are in the same network area. If the first network element is a client type element and the first and second network elements are determined to be in the same network area, the adjacency is established. Subsequent to the establishing, a determination is made whether the first network element includes an inter-area forwarder (IAF).

    Abstract translation: 在一个示例实施例中提供了一种方法，并且包括确定第二网络元件正在尝试建立邻接的第一网络元件是否是客户端类型元件。 如果第一网络元素被确定为客户端类型元素，则该方法还包括确定第一和第二网络元件是否在相同的网络区域中。 如果第一网络元素是客户端类型元素，并且第一和第二网络元素被确定为在相同的网络区域中，则建立邻接关系。 在建立之后，确定第一网络元件是否包括区域间转发器（IAF）。

    Multiple mobility domains with VLAN translation in a multi-tenant network environment
    10.
    发明授权
    Multiple mobility domains with VLAN translation in a multi-tenant network environment 有权

    公开(公告)号：US10091062B2

    公开(公告)日：2018-10-02

    申请号：US15074906

    申请日：2016-03-18

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Chiajen Tsai ,  Yibin Yang ,  Patnala Debashis Rao ,  Manish Chandra Agrawal ,  Rick Chang

    IPC: H04J11/00 ,  H04L12/24 ,  H04L12/46 ,  G06F9/455 ,  H04H20/53

    Abstract: An example method for facilitating multiple mobility domains with VLAN translation in a multi-tenant network environment is provided and includes detecting attachment of a first virtual machine on a first port and a second virtual machine on a second port of a network element, the first port and the second port being configured with a first mobility domain and a second mobility domain, respectively, and the first and second virtual machines being configured on a same original VLAN, determining whether the original VLAN falls within a pre-configured VLAN range, translating the original VLAN to a first VLAN on the first port corresponding to the first mobility domain and to a second VLAN on the second port corresponding to the second mobility domain, and segregating traffic on the original VLAN into the first VLAN and the second VLAN according to the respective mobility domains for per-port VLAN significance.

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