From: Tom Larus (tlarus@xxxxxxx)
Date: Thu Aug 01 2002 - 10:09:39 GMT-3
But remember, it is not very likely at all that priority traffic handled by
LLQ will be delayed. That traffic is in the HOV lane, so to speak.
----- Original Message -----
From: "P729" <p729@cox.net>
To: "Omer Ansari" <omer@ansari.com>
Cc: "Casey, Paul (6822)" <Paul.Casey@o2.com>; "ccielab"
<ccielab@groupstudy.com>
Sent: Thursday, August 01, 2002 2:28 AM
Subject: Re: Processing delay sensitive traffic.
> "how would policing alone guarantee delay sensitivity?"
>
> It won't. I was targeting this part of the statement:
>
> "...will incur minimum processing delay and its packets are MORE lightly
to
> be dropped than delayed."
>
> I didn't read "guaranteed delay sensitivity" into it, but rather removing
> any queuing, weighted-fair or otherwise. On the other hand, PQ would make
it
> LESS likely for the traffic to be dropped.
>
> Hmmm, now you've got me thinking. "Guarantee" delay and drop if the
> guarantee can't be met...maybe they're talking about RSVP instead...
>
> Regards,
>
> Mas Kato
> https://ecardfile.com/id/mkato
> ----- Original Message -----
> From: "Omer Ansari" <omer@ansari.com>
> To: "P729" <p729@cox.net>
> Cc: "Casey, Paul (6822)" <Paul.Casey@o2.com>; "ccielab"
> <ccielab@groupstudy.com>
> Sent: Wednesday, July 31, 2002 4:47 PM
> Subject: Re: Processing delay sensitive traffic.
>
>
> Mas Kato,
>
> that does sound reasonable except for one thing; how would policing alone
> guarantee delay sensitivity?
>
> On Wed, 31 Jul 2002, P729 wrote:
>
> > You'll want to look at some form of policing, like policing to a given
> rate,
> > accommodating bursts in a fashion so that TCP will self-police to the
> > desired rate. Exceed the allowable burst and you're dropped (or marked
and
> > dropped further down the line).
> >
> > Shaping implies queuing which in turn implies delay.
> >
> > Regards,
> >
> > Mas Kato
> > https://ecardfile.com/id/mkato
> > ----- Original Message -----
> > From: "Casey, Paul (6822)" <Paul.Casey@o2.com>
> > To: "ccielab" <ccielab@groupstudy.com>
> > Sent: Wednesday, July 31, 2002 12:40 PM
> > Subject: Processing delay sensitive traffic.
> >
> >
> > Hello,
> >
> > Can some help me with this
> >
> > Users on the local ethernet segment of Area 33 ABR are running a
> > delay-sensitive application from a server
> > Configure appropriate routers such that the application which uses udp
> port
> > 4700 will incur minimum processing
> > delay and its packets are MORE lightly to be dropped than delayed.
> >
> >
> > How you would you go about doing something like this..
> >
> >
> >
> > Paul Casey
> > O2 Ireland
> > Core Network Eng'g Team
> > 76 Lower Baggot Street, Dublin 2.
> > > * Mobile : +353 86 8143310
> > E-mail: paul.casey@o2.com
> >
> > PLEASE NOTE THAT THE ABOVE CONFIDENTIAL INFORMATION I
> >
> > > See what you can do www.o2.ie
> > >
> >
> >
> >
>
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