At 11:09 PM +0530 11/21/09, Jack Kohn wrote:
Steve,
4301 contains We have explicit directions on how to use multiple SAs when
the peers know that they want to send traffic with different QoS parameters.
This appears to be an instance where the middle boxes are to examining
traffic, and putting in into different QoS queues. That raises the question
You got it all wrong. The sender is sending packets with the same QoS
parameters; its the receiver thats trying to prioritize some packets
over the others. One would typically do this for the Hellos/KeepAlives
that are associated with a protocol, so that the adjacency/peering
session are not timed out.
Jack
Jack,
Maybe I got it "all wrong" because the explanation provided in the
messages was, at best, ambiguous :-).
Your description above is only marginally better:
- it fails to characterize the range of protocols for which
you believe this argument applies,
-it fails to explain how WESP is relevant, since a receiver
has the ability to process encrypted packets. WESP is a protocol that
has been promoted as designed to aid middle boxes, not end systems
Steve
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