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Speed, scale and reliability: 25 years of Google datacenter networking evolution
Google networking leaders reflect on the milestones that led to Jupiter supporting 13 petabits per second bandwidth, and what comes next.
This ignited a 25-year journey marked by numerous engineering innovations and milestones, ultimately leading to our current fifth-generation Jupiter data center network architecture, which now scales to 13 Petabits/sec of bisectional bandwidth. In 2022 we announced that our Jupiter networks scaled to over 6 Pb/s, with deep integration of optical circuit switching (OCS), wave division multiplexing (WDM), and a highly scalable Orion SDN controller. These technologies unlocked a range of advancements, including incremental network builds, enhanced performance, reduced costs, lower power consumption, dynamic traffic management, and seamless upgrades.
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