Re: Event reporting (was audio call Thursday: Minutes)
As the protocol is currently defined, there is thus thing we called a RequestID. You supply a RequestID with the EventDescriptor, and it is returned by the Notify. A RequestID is a 32 bit integer. The syntax defines the requestID, and uses it in the Notify, but does not show it in the EventDescriptor. That should be fixed, but...
As I noted, TerminationID + EventName is logically equivalent to an MGC assigned RequestID if you can only have one instance of an event on a termination. Implementation seems to be simple in either case at both ends. At the MG, storing the requestID is easy, but not storing is easier. At the MGC, the RequestID would be a separate table, but it would have to have TerminationID and EventName at least implicitly, and probably explicitly in it. Searching a structure by TerminationID and then EventName (or the other way around) is also easy.Thinking about it overnight, if it really is the same, then it would be best to eliminate the RequestID artifice and use Termination ID + EventName.
At the time, I believed we thought that there were circumstances where there was not uniqueness. Right now, I can't see how that can occur.
Brian
-----Original Message----- From: Chip Sharp [mailto:chsharp@cisco.com] Sent: Thursday, April 08, 1999 5:46 PM To: ITU-SG16@mailbag.cps.intel.com Subject: Re: Event reporting (was audio call Thursday: Minutes)
Yes that was my understanding as well. The TerminationID would be used to associate the event to the termination. Thus the event report would contain the Termination ID and the event ID.
Chip
At 02:21 PM 4/8/99 -0700, Rex Coldren wrote:
Actually I believe this item was not correctly written. I
believe the
discussion was about how you associate a reported event to a given Termination. There was talk that notifications come back with a RequestID, which must be somehow associated to a Termination. Paul suggested using TerminationID directly.
Christian Huitema wrote:
- event handling
- currently an event is identified to the MGC with an
eventId - Paul
Sijben suggested that it would be better to use a terminationId
Sorry for missing the call, but let's comment on that
specific point. We
discussed the event reporting model at length during the
IETF meetings and
in the following week, and I don't beleive that there is
any advantage in
opening the debate again.
Termination Id and event names just do not belong to the
same space.
Terminations are defined on a per MG basis; events are defined independently of the MG, and in many cases independently of the termination class.
The current notifications identify both the termination on
which the event
was observed and the name of the event. There is a lot of
experience to
show that this is a very efficient decomposition, and I
don't see any
reason whatsoever for ditching the experience in favor of
an unproven
theoretical design.
-- Christian Huitema
Please note my new address: huitema@research.telcordia.com http://www.telcordia.com/
Chip Sharp voice: +1 (919) 851-2085 Cisco Systems Consulting Eng. - Telco Reality - Love it or Leave it.
participants (1)
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Brian Rosen