Re: [karp] BFD Authentication costs

"Russ White" <russw@riw.us> Wed, 31 July 2013 12:39 UTC

From: Russ White <russw@riw.us>
To: "'Bhatia, Manav (Manav)'" <manav.bhatia@alcatel-lucent.com>, "'Joel M. Halpern'" <jmh@joelhalpern.com>, karp@ietf.org
References: <51F8F576.8020205@joelhalpern.com> <20211F91F544D247976D84C5D778A4C32E462595@SG70YWXCHMBA05.zap.alcatel-lucent.com>
In-Reply-To: <20211F91F544D247976D84C5D778A4C32E462595@SG70YWXCHMBA05.zap.alcatel-lucent.com>
Date: Wed, 31 Jul 2013 08:38:23 -0400
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Subject: Re: [karp] BFD Authentication costs
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> > In practice, on most devices, when BFD is run at low intervals it is
> > done directly on the line card.  Doesn't this mean that in most
> > topologies the number of sessions is roughly the same as the number of
> > physical ports on the device?
> 
> Not necessarily. Our customers use vlan tagged IP Interfaces where the #
of
> sessions on a physical port can be greater than 1 (and it usually is).

I would say this is pretty normal --ie, customers running multiple logical
interfaces is more common than the one-to-one situation, in my experience.

Russ

[karp] BFD Authentication costs Joel M. Halpern
Re: [karp] BFD Authentication costs Bhatia, Manav (Manav)
Re: [karp] BFD Authentication costs Russ White
Re: [karp] BFD Authentication costs Joel Halpern Direct
Re: [karp] BFD Authentication costs Joel M. Halpern