[ppml] Fw: IRS goes IPv6!
owen at delong.com
Thu Feb 23 23:09:05 EST 2006
--On February 23, 2006 11:06:00 AM +0000 Michael.Dillon at btradianz.com wrote:
>> At a
>> very early stage prior to the actual exponential growth, the
>> AGS routers running the backbone started to have trouble containing
>> the routing table and the CIDR hack was inflicted on the internet
>> as the only rapidly available solution.
> You never actually defined what the swamp is.
> However, you seem to imply that it is a large block of
> address space that is randomly divided into smaller PI
As I understand the generally accepted meaning of the term SWAMP:
The collection of IPv4 non-CIDR allocations and assignments made
by legacy registries prior to implementation of CIDR, supernets,
and classless routing.
So... The swamp is, as I understand it, a significant portion
of the IPv4 address space including most of the assigned A space
less than 64, most of the B space below 171, and most of the C
space below 204.
> My suggestion of imposing a geographical plan on the
> PI addressing will avert a swamp because it enables the
> use of CIDR aggregates based on the geographical plan.
Only if topology follows geography _AND_ PI!=portable in the
event that the organization relocates. There are other
fundamental flaws (geographically diverse organizations
either need separate PI space for each area or must
pick one area and accept suboptimal routing as likely
for all others, etc.).
Nonetheless, I understand that you are determined to push
the geographical addressing agenda. I think everyone on
PPML is aware of your position on this issue. My intent
was only to correct your historical inaccuracy insofar as
it placed effect before cause and attempted a role reversal
If it wasn't crypto-signed, it probably didn't come from me.
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