Ascend Archive
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Re: (ASCEND) Aggregating ISDN links on a Pipeline 50
On Tue, 3 Jun 1997, Kevin Smith wrote:
> At 09:25 AM 5/29/97 +1000, Paul Sondhu wrote:
> >
> >We are an ISP with a 64kb ISDN link to our internet provider. We are
> >currently thinking of upgrading our internet connection to 128kb.
> >
> >We have an Ascend Pipeline 50 ISDN router connected through a Telstra
> >Australia NT1 Unit.
> >
> >My question is can we aggregate two 64K channels which are connected to
> >two differnet service providers together to form one 128K link.
> >If so then how does this work and what is needed at each end?
> >
> >I am aware that it is possible to aggregate two channels which are
> >linked to the same provider using mulitink PPP but we are wondering about
> >the situation with having two different service providers.
>
> I guess I don't understand what you are trying to achieve with this. As
> you point out, to the same ISP you would have 128K link to their gateway,
> but to different providers you will have two 64K links to 2 distinct
> gateways. Aggregate them in what way....?
Sorry, maybe aggregate was the wrong word. I just wanted to know with
this scenario, how this would improve bandwidth? ie. how would routing
work this - would you send some IP packets through one link and some
through the other? If so, then how would we decide what to route to
where since we are at the end of an ISP chain. At the moment its easy
since we've only got one link to send everything to.
Also it is possible for the P50 to automatically start sending packets
through the second link when one becomes choked?
Paul.
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