Dear Steve,
You are correct, a SCTP packet can contain multiple upper layer
information,
and this info is not contiguous. When the SCTP dissector was included in
the
ethereal distribution it was discussed on the dev list how to handle
this. I was
told that in the middle pane of the main window NOT a hierarchy is shown
but
a sequence in the packet (this rule is violated for the handling of
padding of
DATA chunks). For the time being there is no perfect solution for this
problem
but since now more protocols are affected and one has a good idea how to
handle
this 'multiple upper layer' stuff I would be happy to modify the SCTP
dissector
to make use of it.
Best regards
Michael
On Monday, May 13, 2002, at 04:05 AM, packet steve wrote:
If people are thinking about hierarchy and statistics, I'll mention
that SCTP is another problem area. One SCTP packet can contain
multiple signaling messages, the messages may be same type or totally
different protocols. The ethereal summary statistics box shows a
misleading hierarchy. Its not a significant problem.
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