On Thu, 11 Dec 2003 14:47:03 EST, sob@xxxxxxxxxxx (Scott Bradner) said: > > The real issue is whether an ECN bit is reserved, or not reserved. > > it's not "reserved" -- the ECN bits are assigned by RFC 3168 > > i.e. ECN is a proposed standard and the bits that it uses in the IP header > are fully assigned Yes, but if you're a firewall that stepped into a temporal stasis box before 3168 was published, you're still thinking that the bits are reserved, and that the Japanese haven't surrendered, and you should fight on, discarding evil packets that have the reserved bits set....
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