Google engineers figured out a way to improve latency within the company’s software-defined networking (SDN) platform — Andromeda. Google released the latest version of the platform, Andromeda 2.1, today and says it reduces network latency between Google Compute Engine virtual machines by 40 percent compared to Andromeda 2.0.
Google fellow Amin Vahdat said most people think about bandwidth when they think about the performance of a network. “Our infrastructure does quite well on measures of bandwidth,” said Vahdat. “But most distributed applications care more about latency than bandwidth. We’re constantly getting new hardware to increase bandwidth. But with latency, it does involve these entrenched software layers. We’ve really focused on the latency of our network.”
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