On 2012-02-05 02:20, Brian Haberman wrote:
> On 2/4/12 2:11 AM, JINMEI Tatuya / 神明達哉 wrote:
>> At Fri, 3 Feb 2012 21:01:32 +0100,
>> "t.petch"<[email protected]>  wrote:
>>
>>> My exposure to zoneids started with the installation of Windows 2000
>>> Servers, but there was no SNMP involved there; I cannot recall if
>>> URI were in use, I think not, and the ids I saw were, I think, numeric.
>>>
>>> I did see that RFC4007 says that
>>> "   Implementations choosing to follow the
>>>     recommended basic API [10] will want to restrict their index values
>>>     to those that can be represented by the sin6_scope_id field of the
>>>     sockaddr_in6 structure."
>>> but I am not sure what that means, in terms of character set.
>>
>> (I've not read the the uri-zoneid draft, but anyway) In terms of
>> RFC4007 zone indices are primarily numeric numbers.  Only in the
>> textual representation of<address>%<zone_id>, and only optionally for
>> convenience, the zone_id part can be a more human-understandable form,
>> such as an network interface name that can uniquely identify the
>> corresponding zone in the context of<address>%<zone_id>.
> 
> The zone ID information included in the InetAddressIPv6z object in RFC
> 4001 was modeled after the description of the zone ID in RFC 4007.  As
> Jinmei points out, the user friendly name is mapped to an easily indexed
> interface number to determine the actual zone.
> 
> Regards,
> Brian

Exactly, and obviously in a URI it will be the user friendly name.
The mapping is a host-specific function.

   Brian C

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