Software-defined, programmable L1 dataplane: demonstration of fabric hardware resilience using optical switches

Giannis Patronas, Dimitris Syrivelis, Paraskevas Bakopoulos, Prethvi Kashinkunti, Louis Capps, Nikos Argyris, Nikos Terzenidis, Eitan Zahavi, Luke Yeager, Elad Mentovich, Julie Bernauer

Abstract: We propose a programmable optical fabric design for Data Center networks that extends SDN to L1. We present experiments on our HPC/ML testbed leveraging the programmable network to automatically failover from hardware or software failures.