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Brian Shannon -jj Behrens wrote: > > Summary: a provider independent addressing solution is proposed so that > site-locals are not necessary. > > One of the chief reasons proposed for the use of site-locals is for stable > addressing (especially if you need to change ISP's). A nicer solution, that > has so far proven unimplementable is provider independent addressing. The > problem with provider independent addressing is that, because routing is no > longer aggregated, it becomes too difficult for our current hardware limits. > I've also heard proposals for allocating prefixes to each geographical point on > earth. I propose a modification of this idea. Allocate a /32 (or some > suitable number) to each region (where each region is about the size of > California, but is based on politics rather than size). Then each ISP in that > region could coordinate to delegate prefixes out of that slice of that /32. > Hence, we have aggregation on the region level, but within that slice, the > routing would be flat (i.e. prefixes are not associated with any ISP). Flat > routing on a region level is doable if the region isn't too large. I can see > that some people might complain that physically relocating to another region > would cause renumbering, yet I propose that physically relocating to another > region is more difficult in and of itself than just renumbering. > > Of course, I haven't done all my reading yet, so forgive me if I'm missing > an obvious problem. > > -jj > > -- > def qsort(l): # Purely functional implementation of QSort in Python. > if not len(l): return [] > return (qsort([i for i in l[1:] if i < l[0]]) + [l[0]] + > qsort([i for i in l[1:] if i >= l[0]])) > -------------------------------------------------------------------- > IETF IPng Working Group Mailing List > IPng Home Page: http://playground.sun.com/ipng > FTP archive: ftp://playground.sun.com/pub/ipng > Direct all administrative requests to [EMAIL PROTECTED] > -------------------------------------------------------------------- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Brian E Carpenter Distinguished Engineer, Internet Standards & Technology, IBM On assignment at the IBM Zurich Laboratory, Switzerland -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
