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Open Networking Summit 2017
April 3-6, 2017 - Santa Clara Convention Center

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Monday, April 3 • 4:30pm - 5:20pm
High Availability in Disaggregated Networks - Saurav Das, Open Networking Foundation

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All major networking vendors have proprietary datacenter fabric products. We present an open-source fabric built with white-boxes & SDN, performing L2 switching at ToRs and L3 routing between racks. Being SDN based, the fabric avoids the use of traditional switch/router networking protocols, but allows the entire fabric to be presented as a single BGP/OSPF speaking router to the outside world. We explain why this feature is a big advantage in several networking contexts. This unique construction does however present challenges when designing for high-availability. As a result, we discuss design decisions made for achieving system-HA, including N-way controller redundancy, dual-Quagga in active-active mode, dual-ToRs with pair-links, dual-uplinks to the same spine, and dual-homed servers and other attached equipment. We discuss the upcoming release of this work and potential deployments.

avatar for Saurav Das

Saurav Das

Principal Architect, Open Networking Foundation
Saurav Das was part of the original team at Stanford that made SDN popular. His pioneering research on SDN in WANs proposed, demonstrated and analyzed a converged IP/MPLS/Optical WAN architecturally based on SDN and OpenFlow. | | Over 15 years in networking & communications, he has worked on systems as diverse as network virtualization at Big Switch Networks, datacenter switches at Arista, and WDM optics at Enablence. He currently serves as... Read More →

Monday April 3, 2017 4:30pm - 5:20pm
Grand Ballroom D