Hi Ian,

If we decided to keep the text, I suggest to remove the "offers a means for 
optimizing" part. It may not be a good idea to teach operators what should be 
"optimize".

What I mostly suggest is to remove the entire text.

Best regards!
--------------
Yuchi Chen

On 2014-03-06, 19:27, "Ian Farrer" <[email protected]> wrote:
>Here’s the text that Woj mentioned:
>
>"Lightweight 4over6 provides a solution for a hub-and-spoke softwire 
>architecture only, where the lwAFTR maintains (softwire) state for each 
>subscriber. [I-D.ietf-softwire-map] offers a means for optimizing the amount 
>of such state by using algorithmic IPv4 to IPv6 address mappings to create 
>aggregate rules. This also gives the option of direct meshed IPv4 connectivity 
>between subscribers."
>
>My position on this is that I am fine with the text above, I’m happy with a 
>wordsmithed version that is mutually agreeable and I am also fine with the 
>text being removed altogether.
>
>Whichever one can get us past this point is the right answer.
>
>Ian
>
>On 6 Mar 2014, at 10:28, Wojciech Dec <[email protected]> wrote:
>
>> Qi,
>> 
>> 
>> On 5 March 2014 17:17, Qi Sun <[email protected]> wrote:
>> 
>> Woj,
>> 
>> I don't think map is more optimized than lw4over6 when IPv4 and IPv6 are 
>> totally decoupled (which is lw4over6 designed to deal with). I would prefer 
>> to follow Ole's suggestion at this point, i.e. remove this text.
>> 
>> The point is that such state optimization is possible, using v4-v6 address 
>> mapping, which is a characteristic of MAP and mesh mode which the current 
>> text refers to is its by product. 
>> 
>> We have with Ian a new adequate sentence which fixes things, and I'll let 
>> Ian post it. It is important to have such text for at least the following 
>> reason: 
>> The solutions have much in common; utilize the same MAP PSID algorithm 
>> (although with different defaults), encap, etc. They're not thus orthogonal, 
>> and while some may wish to implement them independently, which is possible 
>> there is enough commonality to warrant to "pointer text". 
>> 
>> A side note 
>> In both lw4over6  and MAP the IPv4 address+PSID are embedded in the IPv6 
>> address of a CE. So your statement of "totally decoupled" isn't quite 
>> accurate.
>> 
>> Cheers,
>> Wojciech.
>>  
>> 
>> Best Regards,
>> Qi
>> 
>> 
>> On 2014-3-3, at 下午1:47, Wojciech Dec wrote:
>> 
>>> 
>>> Current text in Section 1 reads:
>>> 
>>> Lightweight 4over6 provides a solution for a hub-and-spoke softwire
>>>    architecture only.  It does not offer direct, meshed IPv4
>>>    connectivity between subscribers without packets traversing the AFTR.
>>>    If this type of meshed interconnectivity is required,
>>>    [I-D.ietf-softwire-map] provides a suitable solution.
>>>  
>>> Propose changing the above to:
>>> 
>>> Lightweight 4over6 provides a solution for a hub-and-spoke softwire 
>>> architecture only, 
>>> where the AFTR maintains (softwire) state for each subscriber. A means for 
>>> optmizing the amount of such state, as well as the option of meshed IPv4 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> connectivity between subscribers, are features of the 
>>> [I-D.ietf-softwire-map] solution.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> Cheers,
>>> Wojciech.
>>> 
>>>  
>>> _______________________________________________
>>> Softwires mailing list
>>> [email protected]
>>> https://www.ietf.org/mailman/listinfo/softwires
>> 
>> 
>> _______________________________________________
>> Softwires mailing list
>> [email protected]
>> https://www.ietf.org/mailman/listinfo/softwires
>
>
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