Re: fast protocol hellos

Hi!  While we're on this subject...

We recently submited a draft on what we call MARP -- MultiAccess
Reachability Protocol -- yes, the *name* kindda sucks (no relationship to
ARP)...but we're open to suggestions. ;-)

MARP addresses some of the same things that have been discussed in this
thread, but more specifically fast L2 failure detection/notification.
The traditional approach to detect neighbor failures (or L1/L2 failures -
on multiaccess networks, for example) has been to send/receive "fast
hellos".  MARP takes an "event driven" approach: it facilitates the
notification of *loss of L2 reachability*, which translates into not being
able to reach your L3 peers.  We believe that the application extends not
only to routing protocols...pls take a look:

http://www.ietf.org/internet-drafts/draft-retana-marp-00.txt

Any/all comments are welcome. :-)

TIA,

Alvaro.

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