Tuesday, September 7, 2021

Non-Stop Forwarding 101

Non-Stop Forwarding (NSF) is one of those ideas that look great in a slide deck and marketing collaterals, but might turn into a giant can of worms once you try to implement them properly (see also: stackable switches or VMware Fault Tolerance).

NSF has been around for at least 15 years, so I’m positive at least some vendors got most of the details right; I’m also pretty sure a few people have scars to prove they’ve been around the non-optimal implementations.

source https://blog.ipspace.net/2021/09/non-stop-forwarding.html?utm_source=atom_feed

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