[44392] in North American Network Operators' Group
Re: Next generation DSLAMs
daemon@ATHENA.MIT.EDU (Geoff Huston)
Thu Nov 22 05:40:01 2001
Message-Id: <4.3.2.7.2.20011122213039.00b78610@localhost>
Date: Thu, 22 Nov 2001 21:36:42 +1100
To: srihari varada <varada@txc.com>
From: Geoff Huston <gih@telstra.net>
Cc: nanog@merit.edu
In-Reply-To: <3BFBE233.5C55AEC9@txc.com>
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At 11/22/01 04:19 AM, srihari varada wrote:
>Hello:
>
>I would like to know what services are planned to be converged on the next
>generation DSLAM boxes
>from the service provider point of view. A servicve that was talked of was
>the VPNs provisioned through
>either ATM or IP/MPLS backbone networks. What would be the OSS support in
>them? I would be interested
>in the subscriber management models especially. Any known literature
>available in the public domain?
>
>
>I do understand that the majority of the current DSLAMs implement common
>denominator function (that is to restrict their funcitonality at switching
>or teminating ATM PVCs.) PPP and PPPoE,
>designed to preserve dialup experience and capital investment of ISPs on
>dial up infrastructure,
>will be processed at the competitive or non-competitve ISP domains.
One view is http://www.potaroo.net/ispcolumn/2001-11-dsl.html
It appears that DSL systems are commonly built to conform to regulatory
requirements regarding competitive access as their primary objective, which
in turn often leads to less than optimal performance engineering in the
access network.
Regards,
Geoff Huston
