On Thu, 30 Dec 2004, Florian Weimer wrote: > * Dan Hollis: > > Because tcp connection endpoints have to implement ECN in order to manage > > the flow. > Your wording suggests that ECN is purely an end-to-end signaling > protocol
it does? where? > (and so does a lot of propaganda from the ECN zealots). an "ecn zealot" is someone who wants firewalls to work correctly? someone who wants idiots to stop blocking all icmp a "pmtud zealot"? > But is this really true? If I read the RFC correctly, you need *routers* > that use ECN to indicate congestion instead of packet drops. anything along the path can *indicate* congestion, but its up to the *endpoints* to *respond* to the ECN indication and mitigate their flows. read rfc3168 paying close attention to 6.1.2 and 6.1.3 -Dan
