Simon, > draft-ietf-softwire-map-08 contains this: > > 7.3. Backwards compatibility > > A MAP-E CE provisioned with only the IPv6 address of the BR, and with > no IPv4 address and port range configured by other means, MUST > disable its NAT44 functionality. This characteristic makes a MAP CE > compatible with DS-Lite [RFC6333] AFTRs, whose addresses are > configured as the MAP BR. > > In view of the recent discussions on provisioning, this functionality strikes > me as useless. There would be no reason for an ISP to use such provisioning. > A unified CPE would just do DS-Lite if that's what's available. > > I suggest to remove that section.
I tend to agree with that. cheers, Ole
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