[sllug-members]: DSL in SLC

Knight Walker kwalker at kobran.org
Tue Dec 12 13:49:49 MST 2006


On Tue, 2006-12-12 at 12:16 -0700, Corey Edwards wrote:
> I like the way you put that, "isn't shared as much". All bandwidth is
> shared (and it's better for you that way because it makes your service
> cheaper). In the case of DSL you have two bottlenecks. First is at
> Xmission's Internet links. If there isn't enough Internet bandwidth to
> go around then none of Xmission's customers will get their full speeds.
> The same is true of any ISP of course.

Which is why I put the qualifier on my statement.  Unlike the majority
of DSL supporters, I freely admit that DSL has to share bandwidth, but
my point is that it's not sharing the same 5Mbit with your entire
neighborhood.

> The other possible choke point is between the Qwest's DSLAM and
> Xmission's router. That could be either between the DSLAM and Qwest's
> aggregation router, or between said router and Xmission. Most likely
> that would occur with a remote DSLAM that doesn't have enough bandwidth
> back to the Qwest CO. It's not common but possible.

And honestly, that's why I'm going with DSL over cable.  Even with my
dislike of Qwest, I think (hope?) they'll do a better job with their
network infrastructure than having to share a single cable modem with
the 26 people (unique MAC addresses anyway) I have to share with now.

-KW



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