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Re: draft-ietf-v6ops-addcon-03.txt ... ULAs of shorter-than-/48 and ULA multicast scope matching ...

On 2007-03-13 13:05, Mark Smith wrote:

...


We'll, I've understood that a /48 was sized to be big enough for
nearly everybody, and those who require larger would only maybe need
a /47 or a /46. A /44 seems extremely large to me (around 1M subnets),


Well, suppose you were running something like an army of
one million soldiers, each with a personal network for their
equipment? One million mobile subnets. I'm not saying that
is a common requirement, but I don't think we should exclude
such things by construction.

On 2007-03-13 16:28, Tim Chown wrote:

...


Fair comment.   I guess we're also nibbling here at the 'what's a site'
question.  I don't know where Thomas Narten's 3177-bis proposal got to,
but if end sites were allocated a /56 you'd probably want a /56 ULA...


A /48 ULA would do just fine. They aren't going to be in short supply.

    Brian