Paul, We are interested in having you present your ideas at GROW.
I've been negligent in requesting a time slot for dublin. If would be great for you to create a ID and discuss it on this list. If we end up having a time slot in dublin, we can give you time to present. peter On May 28, 2008, at 12:36 AM, Paul Francis wrote: > > Gang, > > As some of you may know, my students and I have been working of a > way to > reduce DFZ FIB size in routers using a technique that requires only > modifications in router configuration...no software or protocol > changes are > needed...and that can be independently deployed by individual ISPs. > The > approach is called Virtual Aggregation (VA), because effectively > what it does > is create virtual (MPLS tunneled) networks around "virtual > prefixes" (i.e. > the collection of destinations within a large, otherwise > unaggregatable > prefix like a /7). VA has a trade-off of increasing path-length and > load > with shrinking the FIB, but the increase is negligible for even a > 10x FIB > reduction, which can extend the lifetime of a router for years. > > I was giving a talk on this at the last RIPE, and Jari Arkko > suggested that I > should see if GROW is interested in pursuing this. (It doesn't appear > appropriate for either RRG or IDR, in effect because those groups > are looking > at mechinisms that actually change routers.) > > The idea would be to have GROW flush out and improve the basic > approach we > have specified so far, with a goal of writing a best practices type > RFC. > > Details of VA can be found in > http://www.cs.cornell.edu/people/francis/va-wp.pdf. I'd be very > willing to > turn this into an I-D that could be discussed in Dublin. > > I need to point out that Cornell owns IPR on this. Though Cornell > hasn't > released an official statement about it, at worst it would be > offered on fair > and reasonable terms, and at best for free with no restrictions. > > Thanks, > > PF > > ps. We have an analogous piece of work that effectively eliminates > the FIB > for L3-VPN entries, but that is probably a topic for a different WG. > > _______________________________________________ > GROW mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/grow _______________________________________________ GROW mailing list [email protected] https://www.ietf.org/mailman/listinfo/grow
