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发明公开
CN107113218A 发生虚拟机移动时的数据中心入站路由优化 有权

发生虚拟机移动时的数据中心入站路由优化
摘要：
提供了用于在发生虚拟机(VM)移动时优化数据中心路由的方法和装置。在一个实施例中，充当以太网虚拟专用网(EVPN)域和位置符/ID分离协议(LISP)域之间的接口的第一网关路由器检测已经移动的VM在连接至数据中心处的网关路由器时所通告的EVPN移动性消息。然后，第一网关路由器发起LISP移动性事件，该LISP移动性事件向LISP映射系统注册移动的VM的新位置。在另一实施例中，第一网关路由器可以通知位于VM所离开的、另一数据中心的第二网关路由器清除保存在该数据中心中的状态。可以通过EVPN或LISP机制做出该通知。作为响应，第二网关路由器可以向其他数据中心插入新的序列。
摘要（英）：

Methods and apparatus for optimizing data center routing in the event of virtual machine (VM) mobility are provided. In one embodiment, a first gateway router, acting as an interface between an Ethernet Virtual Private Network (EVPN) domain and a Locator/ID Separation Protocol (LISP) domain, detects EVPN mobility messages advertised when a VM that has moved connects to a gateway router at a data center. The first gateway router then initiates a LISP mobility event that registers the new location of the moved VM to a LISP mapping system. In another embodiment, the first gateway router may notify a second gateway router, located at another data center from which the VM departed, to clean up the state maintained in that data center. This notification may be made via EVPN or LISP mechanisms. In response, the second gateway router may insert a new sequence into the other data center.

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