Date: Sat, 6 Jun 1998 09:05:00 -0700 (PDT) From: Michael Dillon <michael@memra.com> To: inet-access@earth.com Cc: linuxisp@friendly.jeffnet.org, freebsd-isp@FreeBSD.ORG, iap@vma.cc.nd.edu Subject: Re: US West and RADSL (fwd) Message-ID: <Pine.BSI.3.93.980606085536.13151C-100000@sidhe.memra.com> In-Reply-To: <199806061457.IAA24795@bvhd.bmt.net>
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On Sat, 6 Jun 1998, Dan D. Compton wrote:
> > >We are a DSL enabled ISP. Our first DSL customer ordered his DSL line
> and
>
> What are the requirements to be a "DSL enabled ISP"?
You have to ask your ILEC or CLEC about that. Most phone companies that
allow ISPs to use DSL do it by selling the ISP some sort of big pipe
(SMDS, ATM, or maybe even a T1) and then routing customer packets from the
DSL connection to the ISP. The architecture looks a bit like this:
LEC building
----------------------
| |
---------- DSL | ------- -------- | -------
|customer|-----------|--|DSLAM|--|router|-------| ISP |--------Internet
---------- | ------- ---|---- | -------
| | |
---------------|------
|
Internet
If a DSL customer uses the telco as their ISP then the telco routes their
packets through their own Internet connection. But if the customer chooses
an alternate "DSL-enabled" ISP then the telco routes the packets through a
local connection to that ISP. This local connection is what makes the ISP
DSL-enabled.
Note that this is different from what most ISPs want. Most ISPs want to
install their own DSLAM in the telco building and hook the customer's
copper directly to that. Or alternatively they want to be in a building
next door with reasonable low rates for access to the copper something
like zero-mile circuits that are found in colo facilities.
--
Michael Dillon - Internet & ISP Consulting
Memra Communications Inc. - E-mail: michael@memra.com
http://www.memra.com - *check out the new name & new website*
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