Joe Touch wrote:
QoS (not CoS but real QoS) capable routers must inspect L4.
That must be why there are QoS indicators in the L4 header.
There are not.
Oh, wait - those are in L3 (RFC2474 and its successors).
Can you read this?
QoS (not CoS but real QoS)
Yes, layering is a difficult concept.
Layering is trivially easy. If you think it difficult,
that is your problem.
Masataka Ohta