IPv6 Dynamic Prefix Problems

[Jens Link]

Johannes Weber <johannes at webernetz.net> writes:

> 1) Many DNS changes for services behind the dyn prefix (not all devices
> are able to update DNS records)
> 2) Security policies with DynDNS ranges (how to allow a dyn IPv6-range
> in other firewall policies?)
> 3) Routing inside IPv6 VPN tunnels (solved with OSPFv3, but maybe not
> optimal?)

4) Prefix Translation
5) Use a SIXXS / HE Tunnel 
6) Paying extra for static prefixes (if even possible) 

There are several theories about why they change the prefix:

a) customer demand (privacy)
b) we have always done it this way
c) as with v4 we can sell static addresses

Jens
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