From: William Chen (kwchen@netvigator.com)
Date: Tue Jan 20 2004 - 08:02:29 GMT-3
Dear all,
Do you know if there are any good documents/books talk about the
differnce of Congestion Management (Queueing) / Traffic Shaping and Policing
in Interface/Subinterface/VC mode, in particular Frame Relay. I've questions
such as,
1. If I just apply CBWFQ in main interface of a Frame Relay, is it same
as I apply the CBWFQ in a HDLC serial interfaces? The packets from different
PVCs will be queued at the CBWFQ created at the main interfaces and send
out?
2. What if I apply different queueing tools to different subinterfaces of
Frame Relay?
3. What is the difference between applying queueing to subinterface and
applying to per PVC of Frame Relay?
4. Can I apply FRTS to each PVC at the same time applying GTS to the main
interface, and what will happen then?
..... and others.
Is it all of these are just as simple as the Qos tools will apply
according to the order of (PVC -> Subinterface -> Interface)? Are there
actually three queuing systems? (One for the PVC, One for the subinterface
if exists, one for main interface?).
I cannot find clear answers to these question in DQoS book and neither
DocCD.
Best Regards,
William Chen
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