On killing IPv6 transition mechanisms

Jeroen Massar jeroen at unfix.org
Thu Mar 11 14:47:15 CET 2010

Martin Millnert wrote:
> On Thu, 2010-03-11 at 14:24 +0100, Jeroen Massar wrote:
>> The thing with 6to4 & Teredo (& Tunnel Brokers & 6rd etc etc)
> <snip>
>> I do also hope folks realize that one day or
>> another they should be turning those services off, especially in the
>> light of security and the abuse that can be done through them (spoofing
>> ole).
> Agreed.  For the same reason, the RIR:s should make sure that 6rd
> allocations are transitional only, ie temporary. In other words, once
> the transition is complete, the space will be returned. This is another
> topic though and is probably more appropriate for $RIR-ipv6-wg-list.

That address space comes from the ISP's own /32 (or more), and thus, if
they plan correctly they can easily stop doing 6rd at one point and then
re-use that address space for something else.

The RIRs are not involved in that part.


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