Subject: (ION) Re: [Q]-draft ion-intra-area-unicast

From: Juha Heinanen <[email-masked]>
Date: Sun, 4 Jan 1998 17:29:49 +0200

in the example i gave, the shortcut vcs are established and torn down
solely based on traffic volume.  if S is no longer the last hop router
for any ip packets, the shortcut could be teared down immediately, but i
don't think that such a test is worth the trouble, since the traffic
volume will go to zero anyway and the shortcut will be teared down due
to low traffic volume.

   When the routes to router S is no longer reachable via
   the normal IP path, do you tear down the shortcut VC to S?
   (to be consistent with routing) 

ip packets are always forwaded based on the forwarding table.  so it
doesn't matter if a shortcut still exists to S, sicen it would not be
used anyway and will be teared down shortly.

-- juha

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