[manet] Re: BABEL question

> Imagine a prefix like: "2001:db8:f000::/48" where the lower 16 bits of
> the /64 do not represent a subnet ID but instead identify a host route
> delegation service.

I most respectfully disagree.

I have no objection to defining a flat prefix of MANET interface
addresses.  However, the prefix must be flat, as anything else is
gratuitious complexity that doesn't bring any practical benefits.

(Henning is right, by the way, a /64 is good enough.  If I recall my
undergrad combinatorics correctly, a /64 gives a vanishingly small
probability of collision when the total number of nodes is less than
4.2 billion.  For a /48, the value is roughly 10¹².)

-- Juliusz

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