On Jul 9, 2007, at 7:53 AM, Lars Eggert wrote:
On 2007-7-5, at 19:07, ext Tom.Petch wrote:
If we had a range of transports (perhaps like OSI offered), we
could choose the
one most suited. We don't, we only have two, so it may become a
choice of one
with a hack. But then that limited choice may be the reason why
the Internet
Protocol Suite has become the suite of choice for most:-)
We have four standards-track transport protocols (UDP, TCP, DCCP
and SCTP), and, FWIW, SCTP has a concept of record boundaries.
Yes, has the concept of record boundaries: It transfers user
messages, not bytes like TCP.
But isn't the sane true for UDP and DCCP?
Designers of applications and higher-layer protocols still have a
tendency to ignore SCTP and DCCP and the particular features they
can offer to applications. This can make applications more complex,
because they need to re-invent mechanisms that a more appropriate
transport protocol would have provided.
Lars_______________________________________________
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