[e2e] Some questions about TCP.

[Noel Chiappa]

    > then either i) you retransmitted that segment several times .. or
    > ii) it got duplicated somehow in the network.

Ooops, I forgot about re-ordering (which can indeed simulate a hole).  There
may be others too, those are the only ones I can come up with off the top of
my head.

In that context, note this recent I-D:

  http://www.ietf.org/internet-drafts/draft-ietf-tcpm-early-rexmt-03.txt

which is exactly 'on point' to this discussion.

	Noel