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[RRG] Re: Knee jerking
Here's the thing... IPv4 is already irremediably broken by
NAT (i.e. all upper layer designs must already allow for
I know what you mean, but saying IPv4 is broken is a bit strong. I'd
argue you should thank NATs for allowing the Internet to scale to what
it is today in terms of the number of hosts that can talk to each other.
IPv4 NAT, or even worse NAPT). So if the LISP transition
for IPv4 sites includes NAT, it really isn't a new problem
for the upper layers.
Right.
However, it would be sad if LISP required NAT for IPv6,
since the reality is that we're looking at this whole
Well since we have more address space, and it's not out of the
question of getting a /8 or /16 of EID-space, PTRs look attractive.
Do you think so?
class of solutions (and shim6) precisely to avoid the need
for NAT. In fact, although I don't fully agree with
draft-rosenberg-internet-waist-hourglass, it does point
us in the direction of needing a complete new identity
system at layer 4, if we end up breaking IPv6 with NAT too.
Don't you think a mass PI allocation scheme is going to break IPv6 if
we don't do anything about it?
Dino
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