[c-nsp] qos plan - advice please

[Richard Clayton]

Identify the QoS capabilities of all the kit in the hops, identify any
pinch points, identify the traffic you would like to prioritise, by how
much and in which direction, identify which points will be using  L2, L3
and mpls exp as the classification, if you get it all on paper it might
start making more sense.  Also I believe mpls has different QoS operating
modes.

Rick



On Friday, 16 August 2013, Aaron wrote:

> I work for an ISP/Telco/CATV company.  We recently (within the last year or
> more) rolled out an MPLS network.  The mpls network is comprised of
> asr9k's,
> asr901's, me3600's and uBR7246vxr's.... all those run in an ospf area in
> the
> core igp.  ...then I add on top of all that , all the nice MPLS vpn's
> (l2vpn's, l3vpn's).
>
>
>
> How would you go about setting priority treatment to say for instance, all
> of your cell backhaul traffic and also all of your telco voice traffic?
> (the difference in the two is that cell backhaul is simply transported via
> mpls from my perspective... BUT the internal telco voice traffic is what we
> as a telephone company handle all the sip/mgcp signaling end to end, then
> all the traditional backend voice call routing , etc ,etc (I'm not the
> phone
> guy, but anyway))
>
>
>
> 1 - cell backhaul - my cell backhaul traffic is all edged-in on asr901's..
> and edge'd out on asr9k's at the MTSO/MSC hand-off locations.. It's mpls
> l2vpn vpws port-based is how I do it.. X2 .I other words, dual pw's per
> cell
> tower site.  Two end to end xconnect's
>
> 2 - internal voip - my voice traffic is contained within a separate vrf
> (mpls l3vpn).edge'd into the network on me3600's and core is 9k's.
>
>
>
> Where would you start with an objective like that ?  ....getting priority
> treatment to cell backhaul traffic and also internal voip ?
>
>
>
> From a big picture, nework-wide qos deployment strategy, where would you
> start?
>
>
>
> Aaron
>
>
>
>
>
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