[c-nsp] qos plan - advice please

[Blake Dunlap]

You're saying contradictory things: If your links aren't congested, why are
you seeing queueing delays etc?

Its starting to sound like more request for free consulting here, as
opposed to any kind of specific questions to fill gaps in knowledge.

-Blake


On Fri, Aug 30, 2013 at 12:58 PM, Aaron <aaron1 at gvtc.com> wrote:

> Thanks, taking several steps back, here's a question please for the
> group....
>
> Why qos?  Does it do any good IF links aren't congested?  In other words,
> if
> I don't have congestion, is there a reason for it?  ...meaning that if I
> can
> simply add fatter pipes (go from 1 gig to 2 gig etherchannel, or from 10
> gig
> to 20 gig etherchannel) then does fatter pipe solve all my qos problems?
> Latency, delay, jitter, bandwidth needs solved with fatter pipes?
>
> In other words, if I have an sla requirement to provide one-way 5 ms delay
> (nothing more or I'm in violation of sla), AND my interconnections
> throughout my network are NOT congested (utilized at or above line rate)
> AND
> I'm seeing ip sla probes reporting 200 ms latency will qos solve this?
>
> Aaron
>
>
> -----Original Message-----
> From: Mark Tinka [mailto:mark.tinka at seacom.mu]
> Sent: Friday, August 30, 2013 11:20 AM
> To: cisco-nsp at puck.nether.net
> Cc: Aaron; 'Robert Blayzor'
> Subject: Re: [c-nsp] qos plan - advice please
>
> On Friday, August 30, 2013 05:41:38 PM Aaron wrote:
>
> > Thanks Robert,
> >
> > - (15) asr9k's in core
> > - (40 or 50) asr901's and me3600's
> >
> > That pretty much covers my mpls cloud.... I'm running single area ospf
> > on all those, and mpls on all, and so all of them (9k's, 901's and
> > me's) act as a mix of p's and pe's
>
> I've always supported DiffServ. I've found using RSVP to signal admission
> control to be otherwise heavy (there was a reason it never took off in the
> first place, despite how noble the idea was).
>
> But, your network, your choice :-).
>
> Mark.
>
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