[j-nsp] A conceptual advice on QoS is needed

[Adam Vitkovsky]

Hi Aron,

> Aaron
> Sent: Wednesday, March 02, 2016 5:01 PM
>
> (forgive me as I didn't see original email.... and I'm just jumping in on qos
> theory)
>
> 2 comments...
>
> 1 - And if you are having volumetric-type ddos attacks filling your pipes, then
> that would mean that you would/could need qos everywhere if you were
> going to want "good" traffic to get through during attacks... right ?
>
Yes if you have converged network carrying Internet traffic you need to protect your high value customers/services, so yes QOS and good router architecture.
And to protect your links to internet you can use your Transits' black-holing or scrubbing solutions.
Yeah net-neutrality is an illusion.

> 2 - if you have links that are regularly experiencing congestion, I mean like
> daily/nightly and sustained congestion for an hour or more, then is qos really
> the "fix" for that ?  sounds like that's a bandwidth issue.
>
Correct you should capacity manage all your links (core/edge/aggregation).


adam


        Adam Vitkovsky
        IP Engineer

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