Just to add a bit more of entropy... As part of my PhD, I'm working on a way to reduce the Internet's core routing tables by looking at prefixes that can be aggregated. I'm following this discussion, because of that and I suddenly see a 'Pedro' being mentioned... Is it me? :-)
Best regards, /PA On Wed, Oct 3, 2012 at 8:27 PM, Robert Raszuk <[email protected]> wrote: > Russ, > >> Yes. >> >> Sorry, but it is always true that by removing information you always >> lose optimality (you increase stretch). Whether that removal is done at >> the edge or in the core, the result is always the same. There are two >> ironclad rules of routing: >> >> - Removing information decreases optimal routing. > > No. > > If you remove information which is redundant and when such removal > will not result in even a single bit of sub-optimal routing what you > wrote above is false "ironclad rule". > > Also the critical piece is that the determination when and what should > be removed must be 100% automated. There is no way where manual > intervention would be required for any scheme to work right. And your > proposal does require manual NOC intervention as you have already > confirmed today. > > The proposal from Pedro however is automated, adjust itself to > topology changes as well as removed only redundant information where > such removal does not impact a single bit routing optimality. > > Rgs, > R. > _______________________________________________ > GROW mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/grow _______________________________________________ GROW mailing list [email protected] https://www.ietf.org/mailman/listinfo/grow
