[ppml] /48 vs /32 micro allocations

Stephen Sprunk stephen at sprunk.org
Tue Mar 15 17:35:04 EST 2005

Thus spake "Jimmy Kyriannis" <jimmy.kyriannis at nyu.edu>
> Yes.  One might also view that the sparsity of routing entries would
> constitute an environment in which would be "harder to get away with"
> hijacking, since filtering longer length prefixes creates a population of
> much more visible/impactful prefix targets to hijack.  In that vein, if a
> longer prefix were to "sneak into" the routing tables, it would also be
> rather visible.

If hijacking a /48 turns out to make folks more visible or easier to track,
why wouldn't they just hijack /32s instead?  There's lots and lots of unused
IPv6 space to pick from.

> Either way, IMO, the fundamental problem of route hijacking won't be
> solved here, since it doesn't lie within the filtering of routes, but
> hardening the protocols which make this possible for disreputable or
> unaware providers.



Stephen Sprunk        "Stupid people surround themselves with smart
CCIE #3723           people.  Smart people surround themselves with
K5SSS         smart people who disagree with them."  --Aaron Sorkin

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