@techreport{chen-idr-com-cntlrs-02, number = {draft-chen-idr-com-cntlrs-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-chen-idr-com-cntlrs/02/}, author = {Huaimo Chen and Susan Hares and Yi Yang and Yanhe Fan and Mehmet Toy and Zhenqiang Li and Lei Liu}, title = {{BGP for Communications among Controllers}}, pagetotal = 77, year = 2017, month = jul, day = 20, abstract = {This document describes extensions to the BGP routing protocol for supporting communications among SDN controllers in a centralized control system, which comprises multiple SDN controllers controlling a network with a number of domains.}, }