On Fri, 26 Dec 2008 20:37:41 -0800 "Kevin Oberman" <ober...@es.net> wrote:
> The main reason I prefer ISIS is that it uses CLNS packets for
> communications and we don't route CLNS. (I don't think ANYONE is
> routing CLNS today.) That makes it pretty secure.
Unless, of course, someone one hop away -- a peer? a customer? an
upstream or downstream? someone on the same LAN at certain exchange
points? -- sends you a CLNP packet at link level...
--Steve Bellovin, http://www.cs.columbia.edu/~smb
