[address-policy-wg] Re: Re: IPv6 PI resource question!
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Shane Kerr
shane at time-travellers.org
Tue Feb 15 13:01:15 CET 2011
Daniel, On Tue, 2011-02-15 at 10:47 +0100, Daniel Roesen wrote: > On Tue, Feb 15, 2011 at 10:14:41AM +0100, Shane Kerr wrote: > > * ULA addresses, with random addresses > > Doesn't work for hybrids unless NAT is used for the (potentially > single-homed) Internet connection. Didn't we want to avoid NAT? I'm not sure what you mean by "hybrid". Can you explain or give a reference to what you mean? If you mean a site that needs both internal-only and externally-visible addresses, then with IPv6 I think the simple answer is to use ULA for the internal addresses, and PA space for the external addresses. All IPv6 devices can handle multiple addresses. > > * 6to4 addresses, using one or more of your IPv4 addresses > > "What IPv4 addresses?" :-) Funny, but you only need a /32 for most purposes here, since each IPv4 /32 becomes a /48 under 2002::/16. It's not for everyone, but if you have even a single IPv4 address you can use this for your internal network numbering. Unless you need more than a /48, in which case are you sure you don't want to multihome? :-P -- Shane
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