Re: QoS - Multiple LLQs

Dale,

It's my understanding that multiple LLQs are simply FIFO priority queues

Sent from handheld.

On May 20, 2009, at 7:03 PM, "Dale Shaw" <dale.shaw_at_gmail.com> wrote:

> Hi all,
>
> Can anyone describe in detail, or point me at a resource that
> describes how the IOS queuing scheduler deals with multiple priority
> queues/LLQs?
>
> I have a scenario where I'd like to provide LLQ for voice (RTP), as
> well as specific *delay sensitive* voice signalling protocols.
> Ideally, using MQC/LLQ, I'd like to keep them separate. Based on my
> current understanding of the scheduler, there won't be a way to ensure
> LLQ1 is emptied before de-queuing LLQ2 (like there is in PQ). That's
> OK, as long as the combined bandwidth of both LLQs is guaranteed under
> congestion, and both LLQs are serviced before any other queues. I'm
> happy to be proven wrong about the relative LLQ priority though.
>
> I'm sure I've read about multiple LLQs before but I can't recall
> where.
>
> cheers,
> Dale
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
 

> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Wed May 20 2009 - 19:23:18 ART