Patent ID: 8755377
Filing Date: 2014-06-17
Classification: H04L

Abstract:
1. A system comprising: a first set of elements and a second set of elements that implement one or more virtual networks, wherein the first set of elements includes a first server device and the second set of elements includes a second server device, each of the first server device and the second server device comprising a respective virtual network switch having one or more forwarding tables configured to forward network traffic for the respective server device over the one or more virtual networks; a first controller node device configured to control operation of the first set of elements in the one or more virtual networks; and a second controller node device configured to control operation of the second set of elements in the one or more virtual networks, wherein the first controller node device and the second controller node device are peers according to a peering protocol by which the first controller node device and the second controller node device exchange information relating to the operation of the first set of elements and the second set of elements, and wherein each of the first controller node device and the second controller node device comprises: