Brian E Carpenter <brc(_at_)zurich(_dot_)ibm(_dot_)com> wrote on 12/01/2006
05:20:31 AM:
Speaking only for myself: I'm now reasonably satisfied that if this work
is to be done, it will be done better in the IETF than in the ITU.
However, looking at the last draft of the charter that I've seen, I am
concerned about two things.
1. There's a presumption that "precedence" and "preemption" are the
mechanisms - but those aren't requirements, they are solutions, and
it isn't clear to me that they can ever be appropriate solutions
in the upper layers of the Internet. The requirement is presumably
that important application level sessions succeed in emergency
situations,
even if less important ones fail. The best way to meet that
requirement might be different for each type of application
protocol. Neither the charter text nor the list of deliverables
recognizes such differentiation; they simply assume that precedence
and preemption are the only possible solutions.
I completely agree that, for many circumstances, "precedence and
preemption" are not the appropriate solutions.
In fact, there is a substantial subset of the IEPREP working group which
wants to avoid anything that could be considered "precedence and
preemption", preferring to focus on other approaches.
The way I read the charter, "precedence and preemption" is only one of four
examples. Even then, it does not specify precedence and preemption" as the
solution/mechanism, but only as the highest level user/organization view.
None the less, I would, as an individual, favor a rewording of the charter
that made it clearer that "precedence and preemption" was not the primary
focus of the WG.
The mis-perception that the WG is focused on "precedence and preemption"
is, unfortunately, reinforced by the list of milestones, which focus on the
"military" environment.
I would also, as an individual, favor modification to the list of
milestones to include milestones that are clearly not associated with
"precedence and preemption".
Janet
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