Re: [Isis-wg] Error in IANA TLVs listing

[Donald Eastlake <d3e3e3 at gmail.com>]

OK, I'll send in an errata to IANA.

I think maintaining conflicting names is a bad idea so, while of
course the expert can do whatever they like, I plan to recommend that
the main listing name for TLV #2 be "IS Reachability TLV" with a
footnote stating that the ISO standard confusingly calls it the same
thing as TLV #6.

Thanks,
Donald

On Tue, Sep 8, 2009 at 5:59 AM, mike shand<mshand at cisco.com> wrote:
> I agree with Tony.
>
>   Mike
>
> Tony Li wrote:
>>
>> Hi Donald,
>>
>> Donald Eastlake wrote:
>>>
>>> Hi,
>>>
>>> I believe there is a significant error in the IANA listing of IS-IS TLVs
>>> at
>>> http://www.iana.org/assignments/isis-tlv-codepoints
>>
>>
>> I confirm the error.  It seems to source from RFC 3359, which initially
>> populated the registry.
>>
>>
>>> In particular, both TLV #2 and TLV #6 are listed as "IIS Neighbors". I
>>> believe that is correct for TLV #6 but that TLV #2 is the older IS
>>> Reachability TLV ("narrow metric"). Should someone contact IANA to get
>>> this fixed?
>>>
>>> PS: Actually, to be persnickety, since the reference is ISP 10589,
>>> looking there, I think TLV #6 is called "IS Neighbors" or
>>> "Intermediate System Neighbors", not "IIS Neighbors".
>>
>> TLV 6 is indeed "Intermediate System Neighbors" (see 9.6).  However, TLV 2
>> is also "Intermediate System Neighbors"  (see 9.8, 9.9).
>>
>> I believe that the correct procedure here is for someone, in this case
>> you, as discoverer, to contact IANA and inform them of the error.  As the
>> registry is managed under the 'expert review' process, they can contact
>> their experts and have this confirmed and corrected.
>>
>> I propose that the correction be to make them both "IS Neighbors".  It's
>> unfortunate that 10589 overloaded the term, but I believe that we're not in
>> a position to correct that at this point.
>
>
>
>>
>> Regards,
>> Tony
>>
>>
>>
>>
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>>
>
>