On Tue, 24 Sep 2002, Fred Baker wrote: > At 05:44 PM 9/24/2002 +0200, TOMSON ERIC wrote: > >Last, while I definitely, clearly prefer calling Layer 2 data units > >"FRAMES", I sometimes [over-]simplify the terminology of Layer 3 by making > >the following distinction : "a datagram is the data unit before > >fragmentation" ; "a packet is a piece of a fragmented datagram". > > :^) > > A fragment of a datagram is itself a datagram; after you re-assemble them, > the result is still a datagram. A datagram is self-describing; full source and destination. A fragment (IPv4 fragment) may not be. L. <http://www.ee.surrey.ac.uk/Personal/L.Wood/><L.Wood@ee.surrey.ac.uk>
