Hi Randy, On 20.02.2013 12:40, Randy Bush wrote: >> Yes, I know in practice they do leak, that's why I wrote "should". My >> statement was a little bit imprecise - I apologize. No leakage wasn't >> actually my point rather than internal use only. So no matter which >> kind of addresses you employ for "internal use" only, they may >> accidentally leak due to misconfiguration, failures etc. The advantage >> of ULAs is though: if they leak, they are still unique with a high >> probability, hopefully causing less harm than rfc1918 addresses. > > for more assurance of such wonderful properties, and no probabilities, > you may want to check out ipv6 global address space
Agreed, this is probably even a better choice, however, some manufacturers do not want to pay for non-routable IPv6 global address space and depending on the number of manufactured automotives, they need a larger prefix. Regards, Roland -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
