[46179] in North American Network Operators' Group
Re: Internet Exchange Questions
daemon@ATHENA.MIT.EDU (Bill Woodcock)
Tue Mar 19 17:19:30 2002
Date: Tue, 19 Mar 2002 14:12:42 -0800 (PST)
From: Bill Woodcock <woody@zocalo.net>
To: <bmanning@karoshi.com>
Cc: <nanog@merit.edu>
In-Reply-To: <200203192230.WAA06176@vacation.karoshi.com>
Message-ID: <Pine.NEB.4.33.0203191411350.26079-100000@woody.zocalo.net>
MIME-Version: 1.0
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Errors-To: owner-nanog-outgoing@merit.edu
> > I know of 323 IXes today.
> > http://www.pch.net/documents/data/exchange-points/ep-in-addrs.xls
>
> Well, this is one place where we diverge... :)
> I'd state that there are 323 prefixes in use at exchanges
> but that there are somewhat fewer switch fabrics in place, e.g.
> a single switch fabric can & does host more than one prefix.
Correct. And there are sometimes multiple switch fabrics in one facility,
usually in the case that there are separate fabrics/subnets for IPv4
unicast, multicast, and IPv6.
-Bill
