[c-nsp] qos plan - advice please

[Robert Blayzor]

On Aug 30, 2013, at 1:58 PM, Aaron <aaron1 at gvtc.com> wrote:
> 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?


Congestion management and congestion avoidance are moot points if there is no congestion in the network.

-- 
Robert Blayzor
INOC, LLC
rblayzor at inoc.net
http://www.inoc.net/~rblayzor/