From: James Ventre (messageboard@ventrefamily.com)
Date: Tue May 09 2006 - 21:30:40 ART
Thought you might find this interesting
By: Pete Welcher
http://www.netcraftsmen.net/welcher/papers/smorgasbord01.html
"I recently did some work that lead to heavily reviewing the (sparse)
Cisco RSVP documentation. The documentation really doesn't say much
about how RSVP actually works in the Cisco routers. In particular, the
documentation does say RSVP works with weights with WFQ. Fine, I believe
that, and I know enough about that to believe it probably does what is
needed. Does RSVP also do that with CBWFQ/MQC? Not documented, as far as
I could see. The RSVP LLQ feature is mis-titled, it is really Priority
Queueing with WFQ, a far different thing. Etc. I ended up with the
feeling that the only thing Cisco RSVP seemed guaranteed to work with
was WFQ. "
James
Jian Gu wrote:
> Hi, could any one please give me a pointer which explains how RSVP is
> configured to work with LLQ for voice traffic? my understanding is that RSVP
> is just a signalling protocol, it still depends individual router's LLQ
> implementation to guarantee bandwidth for voice, but if LLQ is configured
> for voice traffic in every router, why do we need RSVP at all for voice?
>
> Jian
>
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