Written by:Linda Hardesty
Source URL: https://www.sdxcentral.com/articles/news/google-brings-sdn-public-internet/2017/04/
Google unveiled to the outside world its peering edge architecture — Espresso.
At the Open Networking Summit (ONS), Google Fellow Amin Vahdat said Espresso is the fourth pillar of Google’s software-defined networking (SDN) strategy. Its purpose is to bring SDN to the public Internet.
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Espresso, which has been in production for over two years, already routes 20 percent of Google’s total traffic to the Internet.
Previously, Google ran protocols on high-end routers and peered with its partners. But Vahdat said those routing protocols had a very local view with the goal of simply finding a path between source and destination. The goal was not to find the best path or to dynamically shift paths.
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