Re: IPv6 Allocation Policy

On Thu, 15 May 2003, Brian E Carpenter wrote:

> "Craig A. Huegen" wrote:
> ...
> > The challenge: how to define a "large multi-national end-user" such that
> > it would embody the spirit of what we're trying to accomplish.
>
> What we're trying to accomplish, presumably, is keeping the size of
> the default BGP4+ table under control while allowing large multinationals
> to be connected at many points to multiple ISPs using today's technology.
>
> However, I suspect that any attempt to define "large multinational"
> precisely is going to be hard. It would be a brave person who
> defines N and M in "has physical sites in at least N countries,
> and is connected worldwide to at least M different ISPs."

That's precisely why I was a coward.  However, I'm not sure that N
countries is a real factor that should be considered; really, I think the
factors are a) number of segments/subnets, and b) number of ISP's
contributing a prefix to the end user.

I think the cleanest solution is finding some way to use the existing
policy but slightly amended for end-user.  Let me throw what I would
consider reasonable:  end-user networks with more than, say, 1000 segments
and 2 discrete ISP's?

On top of that, I do have one other concern...  how does an end-user
network obtain address space that would be routable when divided into the
separate geographic regions?  For example, if I want address space that I
can divide into chunks, each announced from a different Internet access
point, do I need to ask for a /32 for each of the routing points or should
the RIR's be advising ISP's that they should do filtering, if necessary,
at minimum_allocation + 4 bits, or something like that?  I realize the
RIR's don't want to guarantee routability, but they really should take it
into consideration.

/cah

-- 
Craig A. Huegen, Chief Network Architect      C i s c o  S y s t e m s
IT Transport, Network Technology & Design           ||        ||
Cisco Systems, Inc., 400 East Tasman Drive          ||        ||
San Jose, CA  95134, (408) 526-8104                ||||      ||||
email: [email protected]       CCIE #2100      ..:||||||:..:||||||:..

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