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2010
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Axon: a flexible substrate for source-routed ethernet

8 years 6 months ago
Axon: a flexible substrate for source-routed ethernet
This paper introduces the Axon, an Ethernet-compatible device for creating large-scale datacenter networks. Axons are inexpensive, practical devices that are demonstrated using prototype hardware. Functionally, Axons replace Ethernet switches and maintain full compatibility with existing Ethernet hosts. Between themselves, however, Axons transparently use source-routed Ethernet. This unlocks many benefits, such as improved network scalability, performance, and flexibility. In an Axon network, all state required to route a host's packets is placed in the local Axon--the Axon to which the host is directly connected. Therefore, regardless of the scale of the network, the route computation and storage needs of a single Axon device only need to scale with the demands of its locally-connected hosts. This is in stark contrast to conventional switched Ethernet, which requires routing resources proportional to the traffic that flows through the device. Scalability is also increased by eli...
Jeffrey Shafer, Brent Stephens, Michael Foss, Scot
Added 10 Feb 2011
Updated 10 Feb 2011
Type Journal
Year 2010
Where ANCS
Authors Jeffrey Shafer, Brent Stephens, Michael Foss, Scott Rixner, Alan L. Cox
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