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RE: Reflecting new-MAM/SAM definition in diff-te drafts



Jerry,

>> -----Original Message-----
>> From: Ash, Gerald R (Jerry), ALABS [mailto:gash@att.com] 
>> Sent: 20 May 2003 17:35
>> To: Dimitry Haskin; Francois Le Faucheur (flefauch)
>> Cc: Ash, Gerald R (Jerry), ALABS; te-wg@ops.ietf.org; Lai, 
>> Wai S (Waisum), ALABS
>> Subject: RE: Reflecting new-MAM/SAM definition in diff-te drafts
>> 
>> 
>> Dimitry, Francois,
>> 
>> > >     o SUM (Reserved (CTc)) <= Max Reservable Bandwidth, 
>> > >         for all "c" in the range 0 <= c <= (MaxCT-1)
>> > > 
>> > > However, this formula is incorrect for DS-TE when per-CT 
>> > > LOM's are used, since the above formula only reflects the Max 
>> > > Reservable Bandwidth for the entire link, and does not 
>> > > reflect the per-CT local overbooking factors.  So what 
>> > > formula do you suggest when per-CT LOM's are used?
>> 
>> > Wouldn't 'Reserved (CTc)' it the above formula already 
>> accounts for the
>> > overbooking multiplier at CTc?  I don't see how this 
>> formula precludes
>> > per-CT LOM's to be used. Please explain.
>> 
>> Are you then proposing these formulas:
>> 
>> 1. When per-CT LOMs are not used:
>> 
>>      o SUM (Reserved(CTc)) <= Max Reservable Bandwidth, 
>>          for all "c" in the range 0 <= c <= (MaxCT-1)
>> 
>> 2. When per-CT LOMs are used:
>> 
>>      o SUM (Normalized(CTc)) <= Max Reservable Bandwidth, 
>>          for all "c" in the range 0 <= c <= (MaxCT-1)
>> 
>> Is that correct?  Please confirm, and/or give the formulas 
>> you propose.

Yes, this is exactly what I propose.
I think this is similar to what you were proposing, only using "Max Res
Bw" instead of "Max Link Bw". 

Sorry I didn't make that very clear before.

Cheers

FRancois

>> 
>> Thanks,
>> Jerry
>>