[122092] in North American Network Operators' Group
Re: BFD over p2p transport links
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Fri Feb 5 12:43:34 2010
Date: Fri, 05 Feb 2010 18:43:00 +0100 (CET)
To: tdurack@gmail.com
From: sthaug@nethelp.no
In-Reply-To: <9e246b4d1002050832x6d83946q7500a8a44f87bbbe@mail.gmail.com>
Cc: nanog@nanog.org, serge@nbnet.nb.ca
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> > We run it on most 10G backbone (LAN-PHY) links.
>
> Hmm. Backbone L2 transport, or fiber/wave type transport? I'd be
> surprised to hear of people running it on dark-fiber-ish stuff.
Both. For L2 transport through switches the usefulness is rather
obvious. For WDM type transport because we're not 100% certain
that we'll always get a link down propagated. For fiber - only for
consistency, and the actual link down would normally be detected
faster than BFD can react.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
