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Cisco’s 400G Data Center Switches Extend Intent-Based Networking

October 31, 2018 / Jessica Lyons

Cisco joined the 400 gigabit Ethernet party today and announced its 400G switches that target hyperscale cloud providers, large enterprise data centers, and telecommunications providers moving to 5G.Specifically, Cisco announced two new Nexus 3400-S fixed switches for webscale customers, and two new Nexus 9000 switches for its Application Centric Infrastructure (ACI) architecture generally used by large enterprises and service providers. All four are backwards compatible with Cisco’s 100G platforms. The new switches support big-data and high-bandwidth apps like streaming video, as well as workloads using artificial intelligence (AI) and machine learning. They provide four times the bandwidth and four times the scale compared to 100G switches and have smaller footprints — which is important for space-constrained edge deployments.