Re: GMPLS dynamics vs. issues with optical amplifiers

[Huub van Helvoort <hhelvoort@chello.nl>]

Hello Marco,

You wrote:

> I’m a PhD student on optical network and I’m following the
> development of the GMPLS work.
>
> I had a recent discussion with people working on the optical
> transport network who where telling me their concern about creating
> dynamical path over trails including optical amplifiers.
>
> They say that cross-talk and gain fluctuation effects may limit the 
> capability of fast allocating new wavelengths over those trials.

Cross-talk and gain are physical properties and not related
to bandwidth management like GMPLS.

IMO the concern is unjustified.

> I just wanted to know what is your opinion about this and if is there
> some working group within the IETF already trying to challenge this
> problem.

IMO for the physical properties you should turn to the ITU-T.

Cheers, Huub.

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