How to build a 100.000 port Ethernet switch

At last, enough ports: University of California at San Diego researchers presented a paper describing software that they say could make data center networks massively scalable. The researchers say their PortLand software will enable Layer 2 data center network fabrics scalable to 100,000 ports and beyond, and they even have a prototype running at the school’s Department of Computer Science and Engineering’s Jacobs School of Engineering. „With PortLand, we came up with a set of algorithms and protocols that combine the best of layer 2 and layer 3 network fabrics,” said Amin Vahdat, senior author of the paper and a computer science professor at UC San Diego, in a statement. PortLand: A Scalable Fault-Tolerant Layer 2 Data Center Network Fabric (PDF)

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