Remi,

[...]

>>> - And to the IPv4 address if the prefix is longer than /68? 
>> 
>> it gets overwritten by the prefix, isn't that what the text says?
> 
> Partially overwritten, yes, thus creating confusion, for no known reason to 
> justify it.
> I wonder what use of the IPv4 address could one imagine in this case?

no, fully overwritten.

>>> - ...
>>> 
>>> Of course, if a use case is provided where MAP-E would be actually used 
>>> with an IID shorter than 64 bits, it should be discussed. But:
>>> - There is no such use case so far. 
>>> - Looking for one doesn't seem useful. 
>> 
>> huh?
>> provider wants to deploy with a prefix length of 128? single tunnel end 
>> point address. isn't that obvious?
> 
> Obvious, no!
> 
> Could you please complete an example with a CE address and its BMR?

BMR:
Rule IPv6 prefix: 2001:db8::1/128
Rule IPv4 prefix: 1.1.1.1/32
EA-bits length: 0

MAP IPv6 address 2001:db8::1.

cheers,
Ole


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