IPv6: IS-IS or OSPFv3

Steven M. Bellovin smb at cs.columbia.edu
Sat Dec 27 14:23:25 CST 2008


On Fri, 26 Dec 2008 20:37:41 -0800
"Kevin Oberman" <oberman at 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




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