I knew that I phrased that wrong just after I clicked "send" I meant the IGP type rather than packet/PDU authentication :) I wonder if it's common that at BOFs and presentations you'd find engineers from ISPs and such talking on the subject of solvung problem xyz or why they find abc good in a particular IGP. Another interesting link sent to me is a disection between the two protocols: http://www.nanog.org/mtg-0006/katz.html
-----Original Message----- From: Joe Abley [mailto:jabley(a)isc.org] Sent: Thursday, 15 April 2004 22:37 To: Chris Hellberg Cc: nznog(a)glassmile.co.nz; nznog(a)list.waikato.ac.nz Subject: Re: [nznog] Routing protocols
On 15 Apr 2004, at 06:32, Chris Hellberg wrote:
I stand corrected. In this case, I wonder if it's the exception rather than the norm that large carriers protect things such as their IGP then?
I'm quite sure that AOL and MFN protect their IGP, but they do so using link-layer authentication, a link-scope, non-routed protocol (in the case of IS-IS) and by not exposing it to customers or other external entities. That's what we do at ISC.
Security by obscurity is no longer in style, maybe.
Joe
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