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RE: APEX

2002-09-23 16:34:49
Bill Cunningham wrote:
APEX core data is referred to as datagrams,
a term denoting the network layer. Surely APEX
core data has to be packeted, even if not framed.

Dave Crocker wrote:
The term 'datagram' does not specify a particular
level in the communications hierarchy.
It is a mode, not a layer

I thought a datagram was at the same layer than a packet, the difference
being what they contain: A packet contains data issued from a
connection-oriented protocol (such as TCP) from the layer above, when a
datagram contains data issued from a connectionless protocol (such as
UDP).

From what Bill wrote I would interpret that APEX is a transport layer
(or possibly above), connectionless protocol.

What am I missing here?

Michel.



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