[89599] in North American Network Operators' Group
Re: Security control in DSL access network
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Tue Mar 28 08:00:12 2006
Date: Tue, 28 Mar 2006 14:59:42 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Sean Donelan <sean@donelan.com>
Cc: nanog@merit.edu
In-Reply-To: <Pine.GSO.4.58.0603280524360.6138@clifden.donelan.com>
Errors-To: owner-nanog@merit.edu
On Tue, 28 Mar 2006, Sean Donelan wrote:
> ROUTER---ip---BRAS---atm---DSLAM---dsl---B-NT---ethernet---COMPUTER
>
> In reality, these are protocol stacks such as IP over PPP over ATM over
> DSL, but it makes the ASCII artwork very confusing.
Let me counter with:
ROUTER - ip/ethernet - DSLAM - ip/ethernet/atm/dsl - CPE - ip/ethernet - COMPUTER
In some cases a modern dslam will do routing as well. ATM was close to
death before DSL came along, please don't CPR it anymore. Let it R.I.P.
--
Mikael Abrahamsson email: swmike@swm.pp.se