Table of Contents
An open ECN service in the IP layer
motivation
ECN in IETF tsvwg
“IP/ECN” status
“IP/ECN” contents
ECN code-points, not bits
buffer filling vs. starving (background to ECN/diffserv discussion)
from load to queue length
ECN mark/drop equivalence
ECN interactions with diffserv
implementation advice mark/drop equivalence
ECN mark/drop equivalence
multicast forwarding of ECN
multicast forwarding of ECN
IP’s ECN service to layer 4
UDP/ECN unsafe?
ECN & IP fragmentation
ECN & IP fragmentation
ECN & IP fragmentation solution
summary
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