Hi, Dave,

Le 29 oct. 2010 à 03:31, Dave Thaler a écrit :
>> ...
>> Another possibility is for the internal system to consider the "external" 
>> address
>> provided by NAT-66 as a "virtual interface", similar to what would be 
>> obtained
>> for example by a tunnel to the external gateway. That means the internal
>> systems could learn the available address through some configuration 
>> function.
> 
> That's what SAF is.

Agreed (what SAF "was", to be purist ;-))

I hope we can discuss once more, in Beijing, the relationship between "SAF + 
stateless NAT66", on one hand, and the "multihoming application of SAM" on the 
other hand (SAM/TRAM as it will now be called, for TRAnsparent Multihoming).

As we noted already, they have much in common.
In my understanding, SAM/TRAM is more complete in that:
- It includes a mechanism for the right CPE selection in case of multihoming 
with PAs.
- It permits a receiving host to know, when communicating with another host of 
its site, to know whether the source address used by the source application was 
its ULA or a global address. 

> 
>> Centralized DHCP servers come to mind, e.g. a DHCPv6 option providing the
>> translation value.
> 
> Yes, that's one valid SAF mechanism.

Yes, idem for SAM parameters.

Regards,
RD



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