Re: [RRG] Six/One Router: Provider-Independence, IPv4/IPv6 Interworking, Backwards-Compatibility

[Brian E Carpenter <brian.e.carpenter@gmail.com>]

I'm wondering what is the high-level conceptual gap between
this proposal and Proxy Shim6 (draft-bagnulo-pshim6-02.txt).
They seem to be aiming at a very similar result, except that
Proxy Shim6 doesn't rely on any new map beyond what is
implied by certain DNS RRs. They're both forms of what
I've thought of as "architected NAT" since the original
8+8 proposal.

    Brian

On 2008-02-25 20:54, Christian Vogt wrote:
> Folks,
> 
> backwards compatibility has proven to be one of the bigger challenges
> in the work of this RG.  It is hard in particular when identifiers are
> to be provider-independent and therefore, for scalability reasons, non-
> globally routable.  The use of tunneling exacerbates the problem because
> the extra IP header makes packets unprocessable by recipients in legacy
> edge networks.
> 
> I would like to propose Six/One Router [1], a network-based variant of
> the original Six/One protocol, which avoids these problems through (1)
> exclusive use of address translation (instead of tunneling), (2)
> optional-to-support packet extensions (instead of mandatory-to-support
> tunnel headers), and (3) the ability for hosts in upgraded edge networks
> to be reached from legacy edge networks at a locator.
> 
> [1] http://users.piuha.net/chvogt/pub/2008/vogt-2008-six-one-router.pdf
>     or via RRG homepage
> 
> Specifically, Six/One Router offers:
> 
> - Provider independence (independent of deployment elsewhere)
> 
> - Interworking between IPv4 and IPv6 (different IP versions on hosts,
>  or path of different IP version than the common IP version of hosts)
> 
> - Backwards compatibility with legacy IPv4 and IPv6 Internet
> 
> Six/One Router interoperates with existing mapping resolution protocols,
> such as NERD, APT Default Mappers, Cons, ALT, DNS Map.
> 
> A comprehensive analysis with respect to the RRG design goals is included
> in the paper [1].
> 
> Your comments and opinions will be highly welcome.
> 
> - Christian
> 
> 
> 
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