MAY 10, 2016

Scaling overlays and EVPN as universal overlay

Chris Chase covered how AT&T deals with one of the largest networks in the world in terms of access service customers, providing both wired and mobile access, supporting consumers and businesses, and enabling data/voice/cloud services. The numbers are incredible: 16 million broadband connections, 6,000 PE routers, 300,000 Wi-Fi hot spots, and more. AT&T leverages a sophisticated configuration of EVPN and BGP into order to overlay this huge number of services on its shared network. Chris shares the details on the specific configurations/topologies to make this all scale appropriately.

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