My ISP currently hands out a /60 via 6rd (space gets a little tight with the embedded IPv4 address). The BBF is settling on /56 as its recommended prefix size for residential customers. I've seen /64's out there as well (and stomped on them as quickly as possible, but can only do so much).
I have to agree that we must expect that variable prefix sizes to sites will be a reality.
- Mark [email protected] wrote:
>From my perspective the NAT solution that might be specified within 6AI should be able to deal also with prefixes shorter, equal or _longer_ than a /48 since there might be ISPs giving out such longer prefixes to their customers. (A reason for that are the changed RIR policies that allow the ISPs freely to decide if they want to give a /48, a /56 or even a /61 to its customers.) Removing the /48 assumption will have major impact e.g. on Margarets draft. br olaf _______________________________________________ nat66 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nat66
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