[address-policy-wg] Re: [ipv6-wg] IPv6 PI
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Per Heldal
heldal at eml.cc
Tue Nov 29 12:21:52 CET 2005
On Mon, 28 Nov 2005 15:55:16 -0800, "Salman Asadullah" <sasad at cisco.com> said: > You seem to be far away from the ground realities. > > Lots of efforts (Multi6, SHIM6, etc.) are being made to solve these real > issues for a good reason. > Regardless of the efforts, from a provider POV it's only "work in progress". Make sure your preferred technology is implemented across all platforms and accompanied by solutions for traffic-engineering, filtering and other issues. Then you may have a viable alternative to present to the operators community. Don't expect anybody to adopt new technologies unless they represent some progress. I'm not saying that shim6 is DOA. It *may become* an alternative, but it *is not*. Unless you can convince content-providers to trust their upstream to provide redundancy and thus eliminate the need for end-site multihoming you have the following realistic short-term alternatives: * Keep ipv6 experimental and postpone operational deployment until there's a good technical solution to the multi-homing problem or a way to eliminate the DFZ and the related concerns about routing- table size. * Adopt a PI policy for v6 similar to the current v4-policy, and hope that moore can keep up with the growth of the routing-table. >From there policies will have to evolve, along with the development of new technology. Evolution is a perpetual process, not a project with a finite deadline. PS! am I missing something, or is IETF/IAB trying to copy the ITU in the way they produce paper-standards? Is that really such a good idea? //per -- Per Heldal heldal at eml.cc
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