On 15/02/2016 17:00, Joe Touch wrote:
On 2/13/2016 5:26 PM, Masataka Ohta wrote:
QoS (not CoS but real QoS) capable routers must inspect L4.
That must be why there are QoS indicators in the L4 header.
Oh, wait - those are in L3 (RFC2474 and its successors).
Yes, layering is a difficult concept.
That's also why the IPv6 flow label is recommended to be a hash
of layer 3 and layer 4 information (RFC 6437, yes, it took us some
years to get that ~right).
Brian