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Re[2]: (ASCEND) Router for ADSL
The Lucent (formally Ascend) box for this is the DSL Terminator 100. It has 2
slots for cards and 2 10/100 ethernet ports. For a specs go to this address.
http://www.ascend.com/3815.html
Model # Retail Description
DSLTR100-AC $10995 DSLTerminator 100 AC version
DSLTR100-DC $10995 DSLTerminator 100 DC version
DMX-SL-T1 $2000 4 port T1 slotcard unchannelized
DMX-SL-E1 $2000 4 port E1 slotcard unchannelized
DMX-SL-DS3ATM $3995 single port DS-3 slotcard ATM
DMX-SL-DS3FR $3995 single port DS-3 slotcard frame relay
DMX-SO-8T1 $1500 upgrade from 4 port T1 to 8 port T1
DMX-SO-8E1 $1500 upgrade from 4 port E1 to 8 port E1
-------------------------------------------------
Patrick Malone
Lucent Product Specialist
Merisel, Inc.
305 Gregson Drive
Cary, NC 27511
ph) 800-893-3893 opt. 1 ext. 3415
fx) 919-319-2520
-------------------------------------------------
____________________Reply Separator____________________
Subject: Re: (ASCEND) Router for ADSL
Author: Phillip Vandry <vandry@Mlink.NET>
Date: 8/6/1999 11:55 AM
IP is a protocol :-)
An Internet based DSL solution uses an IP network. The DSLAM is a router
and the protocol on the DSL line is usually PPP. From the DSLAM, traffic
is routed into an IP network directly from the DSLAM.
Frame Relay based DSL, or ATM based DSL, uses PVCs (or SVCs?) from the
endpoint, which are switched via Frame Relay or ATM to some kind of
exit point. From there you can plug the PVCs into Internet routers to
provide Internet service, or into Frame Relay or ATM switches to provide
private network services.
The problem with IP based DSL is that it's not easy to do resale. You have
to use unpopular source routing to direct traffic to the right ISP for
the right customer. Also you can't deliver Frame Relay services using
a DSL local loop if you have a customer that wants this.
The problem with Frame or ATM based DSL is that you end up switching a
very large numbver of PVCs to a single exit point and you need a
dedicated aggregator box at that exit point (Like Redback's box or Ascend's
new product the name of which I forget)
I kind of like the TNT: you can do both (although there are serious bugs
that need to be resolved, but we're making progress!)
-Phil
> OK, either I'm confused or you're confused.
>
> ----- Original Message -----
> From: Mitchell Arnone <mitchell.arnone@occ.treas.gov>
>
>
> | single DSL device... flowpoint. UUNET promotes an Internet based DSL
> while
> | MCI Worldcom offers a frame relay based DSL offering. Of course, recent
>
> Internet based DSL? Frame relay based DSL? Internet is not a protocol.
> Frame is.
>
> Rob
>
>
>
>
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Date: Fri, 6 Aug 1999 11:55:23 -0400 (EDT)
From: Phillip Vandry <vandry@Mlink.NET>
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To: "Robert Hof" <rhof@NETinc.ca>
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Subject: Re: (ASCEND) Router for ADSL
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