[SUSPECT ATTACHMENT] 8. H.248.1: Value of Statistics at a Termination Level; Re: H.248.1 Editing

Tue Jun 21 02:10:21 EDT 2005

Hi Christian et al.,

I concur with Christian's proposals.
I know I'm behind week 4, but when looking at the nt statistics, I'm again
not sure whether the additions for item 8 are sufficient.

Current proposal:
"The value of a Statistic at a Termination level is the sum of the values
as if it had been placed on all the streams in the termination."

Discussion:
The statistic on Termination level is superior concerning the Stream level
statistics.
Thus, there needs to be a "superior function" for the Termination
statistic. Crucial: such a function is "statistic type" dependent.
"sum" is an example for a "superior function", "average" another one
(e.g.,
applicable for some time-based statistics like "delay" or "delay
variation").

Generally there are two possibilities here:
(1) Statistic was initially defined for "Streams", afterwards a meaningful
"superior statistic" for "Terminations" is demanded.

or
(2) Statistic was initially defined for "Terminations", afterwards an
adaption for "Streams" is demanded.

The 2nd case seems to be straighforward, the first case is our issue here.

New proposal:
"The value of a Statistic at a Termination level is the result of a
meaningful superior function (like for instance sum or average)of the
values as if it had been placed on all the streams in the termination.
Such a superior function is dependent of the particular statistic type."

Comments?
Regards

Albrecht

                      Christian Groves

                      <christian.groves at ER         To:      SG16
<itu-sg16 at external.cisco.com>                                      
                      ICSSON.COM>                  cc:      Kevin Boyle
<kboyle at nortel.com>                                         
                                                   Subject: [SUSPECT
ATTACHMENT] H.248.1 Editing Meeting Week 4 comments            
                      17.06.2005 06:05

Hello Kevin, all,

Please find attached my comments for week 4 of the editing meeting. Rather
than
a marked up document its in the form of an IG update. I have attempted to
capture items that have been discussed on the Megaco list or have been
mentioned
in Tispan. I'm not sure whether all the items fall into the realm of
editorial
only but none of the items add new functionality. I intend on presenting
this DC
(with any new raised issues) to the July meeting.

Of interest to the Week 4 ABNF are items 1,2 and 3.

Comments?

Regards, Christian
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(See attached file: DC-xxx_H_248_1v3_Corrections_Clarifications.zip)

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