In-network Computing to the Rescue of Faulty Links
Anirudh Chelluri, Lei Shi, Nishanth Prabhu, Anthony J. McAuley,
John Sonchack, Nik Sultana, Alexander Poylisher, Latha
Boon Thau Loo.
Proceedings of the ACM
SIGCOMM Workshop on In-Network Computing,
(NetCompute, August 20, 2018)
Failing network links are usually disabled, and packets are routed
around them until the links are repaired. While it is often
possible to utilize some of a failing link's capacity, losing what
remains of a link's capacity is typically deemed preferable to the
erratic effect that unreliable links can have on application-level
We describe a new network function that relies on in-network computing to
limit the erratic effect of failing network links, to enable the
continued use of those links until they can be repaired. We explore
the design space using ns-3, and evaluate our implemen- tation on a
physical test-bed that includes programmable switches and
reconfigurable hardware. Our current hardware prototype can almost
saturate a 10GbE link while using around 10% of our FPGA's
Giesen, et al. 2018. Publication rights licensed to ACM.
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