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1. (WO2017148425) BORDER GATEWAY PROTOCOL FOR COMMUNICATION AMONG SOFTWARE DEFINED NETWORK CONTROLLERS

Pub. No.:    WO/2017/148425    International Application No.:    PCT/CN2017/075487
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: H04L 12/715
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
Inventors: CHEN, Huaimo
Title: BORDER GATEWAY PROTOCOL FOR COMMUNICATION AMONG SOFTWARE DEFINED NETWORK CONTROLLERS
Abstract:
A first network element comprising a memory comprising instructions executable by a processor and a processor coupled to the memory and configured to execute the instructions. Executing the instructions causes the processor to receive, from a second network element during a border gateway protocol communication session, a communications capabilities message indicating capabilities of the second network element, receive, from the second network element, an advertisement message indicating connections and accesses of a second domain controlled by the second network element, receive a request to route data between a source located in a first domain and a destination, transmit a first request message to the second network element to cause the second network element to compute a path segment through the second domain, and transmit a second request message to create a segment of an end-to-end tunnel between the source and the destination crossing the first domain and the second domain.