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Re: Moving forward on Site-Local and Local Addressing



 From an Application (above TCP) perspective, A, definitely A. Itojun 
summarizes well the issues. Mandating a host to know topology is just a 
really bad thing. Really really bad.

    paf


On tisdag, aug 5, 2003, at 03:09 Europe/Stockholm, Jun-ichiro itojun 
Hagino wrote:

>> I would like to hear from the working group on how we should proceed. 
>>  I
>> think the choices are:
>>
>> A) Deprecate Site-Local addresses independently from having an 
>> alternative
>> solution available.  This would mean that the working group should 
>> treat
>> the deprecation, and requirements and solution documents outlined 
>> above
>> independently from each other.  If there was no consensus on an 
>> alternative
>> a replacement would not happen.
>
> 	my choice is (A).  as we have discussed at SF (and probably prior
> 	meetings) site-local address has a lot of issues with it, for 
> instance,
> 	- ambiguous address
> 	- can't be used referrals across site zones, and there's no way to
> 	  determine if a site-local address is from out-of-site or not
> 	  (because of ambiguity)
> 	- mandates hosts to know the topology, which we should not 
> allow/mandate
> 	- site-border router issues, and (lack of) routing protocol
> 	  functionality to handle it
> 	therefore sooner deprecation is better.
>
> itojun
> PS: each of the items are summary of discussions we had before, to my 
> ears,
> don't try to comment on each items please.  the point of the email is
> the very first sentence, and that's all.
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