On 23/08/2011 12:56, Arturo Servin wrote:
> On 23 Aug 2011, at 03:20, Terry Manderson wrote:
>> Just as 169.254.0.0/16 is intended as Not Routable. Do you disagree with
>> that?
> 
>       No, but you cannot tag this one in IANA IPv4 Address Space Registry.

I'm not convinced by this ID.  The "Routable" column isn't flexible enough
for the IANA v4 allocations list because IANA deals with multiples of /8
(for ipv4 allocations), while individual non-routable prefixes can be as
small as /24.  This alone calls into question whether the basic premise of
the draft is worth pursuing.

Would it not be better to approach this problem from a completely different
direction?  E.g. to formally recommend that end users consider everything
routable except address space defined in RFC 3330 + its successors + the
equivalent for ipv6?  And then perhaps to put in some scary wording about
the terrible consequences of using address space on your network that has
been assigned to other organisations?

Nick


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