The MPLS WG Archive

[Curtis Villamizar <curtis@avici.com>]

In message <4.3.1.2.20000427091355.00b0e910@localhost>, Bora Akyol writes:
> Curtis
> 
> Aren't we generalizing here?
> 
> I am interested in seeing an implementation of a routing protocol that is 
> sensitive to the status of the network instead of being static. Unlike OMP 
> however, I would like to start simple by not creating hot spots first and 
> then build on it.
> 
> I have reviewed the OMP work extensively about one year ago and agree that 
> it has merit, on the other hand it can benefit from theoretical analysis of 
> stability of the filters that are employed on the link utilization instead 
> of defining a set of  filters that work in a simulation environment but may 
> not work for all networks under all conditions. (I think such an analysis 
> would make an excellent thesis topic by the way)
> 
> I think that the SIGCOMM 89 paper by Zhinky and Khanna is a good starting 
> point on applying control theory concepts and methods to analyzing a 
> dynamic metric, and should be reviewed by all that are interested in 
> dynamic network-sensitive routing in the Internet.
> 
> The fact that Don et al. had started work on a set of metrics that can be 
> flooded as part of the LSPs means that I can use their mechanisms to 
> implement my simple load-sensitive routing protocol.
> 
> So I don't see any point on not supporting flooding of four (essentially) 
> opaque metrics. OMP surely can use them too , right?
> 
> Anyway, as I said before, I think that there is a lot of work to be done in 
> the area of traffic engineering that does and does not use MPLS. I think 
> the WG needs to be supportive of such developments. (Of course according to 
> the charter of the WG, if these topics are not included, we should take 
> them elsewhere)
> 
> Regards
> 
> Bora


Bora,

As I said, I don't want to be an obstructuionist.

Best of Luck.  If your experiments work we'll strive to interoperate.

As far as IETF procedures goes, I'd favor experimental for anything
that is not fully defined.

Curtis