Re: (ASCEND) Re: ASCEND) Connecting 2 DSLTNTs via SDSL

[Phillip Vandry <vandry@Mlink.NET>]

> > I have 2 DSLTNT's that I want to connect together vis
> > SDSL, one functioning as the COE (where the link to
> > the internet is) and the other functioning as the CPE,
> > where additional xDSL lines will go to customers with
> > DSLPipelines. Can this be done ?
> 
> Sure can. You can connected DSL TNT's via SDSL, SDSL Pipelines together,
> or DSL Max 20's via SDSL. Not only that, but you can use MultiLink Frame
> Relay (MLFR) to Imux multiple SDSL lines and achieve aggregate bandwidth
> (SDSL-HS = 2.34Mbps X number of SDSL trunks you build). The performance
> on MLFR over SDSL is very good and very stable. You can also do this
> functionality over T1 using the FrameLine cards on the TNT or the FL8
> cards on the Max20.

Ah! I have yet to see a code version in which I am satisfied with the
stability of MLFR, though it's finally almost there. What kind of code
are you using?

> for the most part, FR over DSL is preferred. You can do PPP, but you
> lose a bit of control in terms of CIR and if you're doing FR in the
> core, you can do DLCI to DLCI mapping, giving yourself end to end QoS
> for DSL. It's also a bit faster on the link.

Faster how? It's slower to come up because LMI has to exchange several
rounds of status packets before the link is declared up. Do you mean
the actual exchange of packets once the link is up?

> nope. We're doing *LOTS* of this with great results. Kudos to all the
> Ascend folk who've worked tirelessly on making this work and work great.
> I wish all code would work this smoothly for everyone.

Agreed. Ascend has also helped us a lot over the past several months!

-Phil
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