The Stack – Facebook Take a Different Approach to SDN


Facebook have announced their own switch design, codenamed ‘Wedge’, saying that it’s already being tested in their production network. In many ways the switch is unremarkable; it uses the same Broadcom Trident II merchant silicon ASIC that most other high end ‘white box’ top of rack (TOR) switches use, and it uses Linux on a commodity compute platform as its operating system. The physical packaging and power systems fit in with the server designs that Facebook has previously donated to the Open Compute Project (OCP), making it almost the purest expression of networking equipment as a commodity.

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