Tom,

> This caught my eye too. Why repeat the PSID?

the reason I got, if my memory serves me correctly, is that it allows a 
intermediate box to look at the PSID,
without knowing the mapping rules (which it must to look at the PSID in the 
first 64 bits.

cheers,
Ole


> 
> On 24/01/2013 11:27 AM, Ole Troan wrote:
>> hi,
>> 
>> can we please keep discussion on the list. not via the issue tracker?
>> 
>> does anyone else have an opinion?
>> (if I don't hear anything from anyone else, I'll default to keep current 
>> text.)
>> 
>> cheers,
>> Ole
>> 
>> On Jan 24, 2013, at 17:23 , softwire issue tracker 
>> <[email protected]> wrote:
>> 
>>> #19: IPv4 address superfluous in MAP-E Interface IDs
>>> 
>>> Changes (by [email protected]):
>>> 
>>> * priority:  trivial => major
>>> * status:  closed => reopened
>>> * resolution:  wontfix =>
>>> 
>>> 
>>> Comment:
>>> 
>>> Value of having the PSID in MAP-E IIDs for maintenance isn't clear at all:
>>> - PSID length isn't determined in IIDs (there can be an unknown number of
>>> trailing zeroes)
>>> - all PSID bits are already readable in the first 64 bits
>>> 
>>> Suggestion to close the issue:
>>> - keep IPv4 addresses in IIDs (they contains some bits that aren't in the
>>> first 64 bits)
>>> - don't keep the PSID in IIDs (insufficiently justified complexity)
>>> 
> ...

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