Experience with B4: Google's Private SDN Backbone
Subhasree Mandal, Google
In this talk, we will describe B4, the SDN-based network that connects Google’s data centers to each other, and some of the lessons we have learned over several years of operational experience. Background: B4 is one of Google’s two backbone networks. Originally designed as a low cost backend backbone, specifically for carrying high volume copy traffic, B4 has grown into a critical infrastructure for Google. Currently it carries more traffic than Google’s public facing backbone. B4 is built with a home-grown software stack and home-grown switch hardware, based on merchant silicon ASICs.
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author = {Subhasree Mandal},
title = {Experience with B4: Google{\textquoteright}s Private {SDN} Backbone},
year = {2015},
address = {Santa Clara, CA},
publisher = {USENIX Association},
month = jul
}
