"Christian Huitema" <[EMAIL PROTECTED]> wrote:
|> It's relevant unless you eliminate 6to4 and any other scheme that
|> generates portable v6 address space from v4 space. 6to4 is actually
|> rather interesting in that it has the potential to overtake "native"
|v6
|> addressing (especially considering Microsoft's treatment of 6to4 as a
|> first-class citizen).
|
|The main advantage of 6to4 is that we can jumpstart IPv6 quickly,
|without requiring any tunnel configuration. We get a solution that is as
|easy to deploy as a NAT, but which does enable global addressing and is
|thus markedly superior in several important communication scenarios,
|e.g. peer-to-peer applications, voice and video communication,
|multi-player games.
I agree; I think 6to4 is a great thing. In one swoop it actually makes most
all of the other v6 work useful to many, many end users.
|Note however that these scenarios do not require "portable" addresses.
I didn't say that 6to4 requires a portable address. I said that if
you have portable v4 address space you can use 6to4 to create portable
v6 address space. Lots of v6 address space...
|As for the other consequences of 6to4, the main one will be to raise
|expectations. 6to4 enables a user to derive an IPv6 prefix from a single
|global IPv4 address. Many solutions will be using this capability, e.g.
|providing global addresses to multiple devices, or using multiple
|addresses for different functions within a single computer. This imply
|that the "native v6" ISP will be expected to provide users with a
|prefix, not a single host address -- otherwise, the native v6 solution
|will be perceived as inferior to the existing 6to4 solution.
Yes, and that's going to annoy the ISP no end.
Dan Lanciani
[EMAIL PROTECTED]
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