Re: [Dime] Mirja Kühlewind's Discuss on draft-ietf-dime-drmp-05: (with DISCUSS and COMMENT)

Hi Janet,

there are clearly more options than the two mention below.

E.g. one option is the one explained in my initial comment: hhaving two queues, that are both served with a certain rate.

I’m sure there are more (and potentially more complex) solutions to this problem as well.

Assigning an arbitrary priority is not the right option from my point of view and can actually hurt the systems.

Mirja

> Am 04.05.2016 um 17:45 schrieb Gunn, Janet P <Janet.Gunn@csra.com>:
> 
> My comment below.
> Janet
> 
> -----Original Message-----
> From: DiME [mailto:dime-bounces@ietf.org] On Behalf Of Mirja Kuehlewind (IETF)
> Sent: Wednesday, May 04, 2016 10:31 AM
> To: Alexey Melnikov <aamelnikov@fastmail.fm>
> Cc: draft-ietf-dime-drmp@ietf.org; dime-chairs@ietf.org; dime@ietf.org; The IESG <iesg@ietf.org>
> Subject: Re: [Dime] Mirja Kühlewind's Discuss on draft-ietf-dime-drmp-05: (with DISCUSS and COMMENT)
> 
> Hi Alexey,
> 
> see below.
> 
> The point is, if you explicitly indicate that you have a lower priority, you are okay to be starved. However, if you don’t indicate anything (maybe just because you have not been aware that it is possible to do so), you might have the same or even a higher priority, and in this case it’s not okay to be starved.
> 
> Mirja
> <JPG> If a message comes in without a priority, into a system which serves messages based on priority (regardless of the specific mechanisms)you have two options
> 1- Discard the message (Not a good idea in most systems)
> 2 - Assign the message an ARBITRARY priority (we call this arbitrary value the "default priority")
> 
> You can (and probably will) argue 'til the cows come home on what that arbitrary/default value SHOULD BE.  And different sytems/applications might have different "default values".
> 
> But I don't think there should be any argument that, if a message comes in without a priority, you need to assign it a priority.
> 
> </JPG>
> 
> 
> 
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