Re: MPLS TE

Check out "MPLS Fundamentals" it has a nice explanation. I wouldn't
say it is "for dummies" but it is well written.

On Wed, Dec 23, 2009 at 6:12 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar> wrote:
> Well, you usually have IP on MPLS, so anything inside the LSP gets
> affected (stating the obvious, obviously).
>
> TE does kind of QoS by bundles using integrated services (RSPV).
> For so doing, it needs "bundle" definitions (your LSPs forwarding
> equivalence class) and QoS contracts (like BW needs).
> And it can recalculate the LSP based on the contracts and current
> network state, for what you need a link state routing proto enhanced to
> distribute link utilization data.
>
> Lots of tuning knobs to play with, kind of support of path protection
> (i.e. par to SONET), fast reroute, ...
> The most difficult to grasp concept, AFAIK, is that the bundle QoS does
> not provide actual traffic QoS assurance (i.e. intra bunble QoS) which
> would have to be provided by other means.
>
> HTH,
> -Carlos
>
> JR Garcia @ 22/12/2009 19:08 -0300 dixit:
>> the TE tunnel only affects the label switched path, not IP traffic.
>> i never really found any good high level overview docs on the
>> technology...so afraid i cant help you much there.
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

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