Hi Alexey,

On 10/13/16, 9:59 AM, "Alexey Melnikov" <aamelni...@fastmail.fm> wrote:

>Hi,
>
>On Thu, Oct 13, 2016, at 02:46 PM, Acee Lindem (acee) wrote:
>> Hi Alexey, 
>> 
>> On 10/13/16, 5:40 AM, "Alexey Melnikov" <aamelni...@fastmail.fm> wrote:
>> 
>> >Alexey Melnikov has entered the following ballot position for
>> >draft-ietf-ospf-two-part-metric-09: No Objection
>> >
>> >When responding, please keep the subject line intact and reply to all
>> >email addresses included in the To and CC lines. (Feel free to cut this
>> >introductory paragraph, however.)
>> >
>> >
>> >Please refer to
>>https://www.ietf.org/iesg/statement/discuss-criteria.html
>> >for more information about IESG DISCUSS and COMMENT positions.
>> >
>> >
>> >The document, along with other ballot positions, can be found here:
>> >https://datatracker.ietf.org/doc/draft-ietf-ospf-two-part-metric/
>> >
>> >
>> >
>> >----------------------------------------------------------------------
>> >COMMENT:
>> >----------------------------------------------------------------------
>> >
>> >Sorry for being dense, but:
>> 
>> You are not dense at all as this could be better referenced.
>> 
>> >
>> >3.2.  Advertising Network-to-Router Metric in OSPFv2
>> >
>> >   For OSPFv2, the Network-to-Router metric is encoded in an OSPF
>> >   Extended Link TLV Sub-TLV [RFC7684], defined in this document as the
>> >   Network-to-Router Metric Sub-TLV.  The type of the Sub-TLV is TBD2.
>> >   The length of the Sub-TLV is 4 (for the value part only).  The value
>> >   part of the Sub-TLV is defined as follows:
>> >
>> >       0                   1                   2                   3
>> >       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>> >      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>> >      |      MT       |        0      |          MT   metric          |
>> >      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>> >
>> >I don't believe the document explains what are valid values of the MT
>> >field. Help?
>> 
>> It is defined in the reference in the next sentence.
>> 
>>   Multiple such Sub-TLVs can exist in a single OSPF Extended Link TLV,
>>   one for each topology [RFC4915].
>> 
>> 
>> We will change the MT to MT-ID in the first figure field and add:
>> 
>> Each Sub-TLV will have a unique Multi-Topology Identifier and will
>>adhere
>> to the advertisement rules defined in section 3.4 or [RFC 4915].
>
>That would be an improvement, thank you. Although I would use "MT-ID
>(Multi-Topology Identifier)", so that one can figure out from the ASCII
>art that you are talking about the same thing.

Right - We’ll include the acronym “Multi-Topology Identifier (MT-ID)”.

Thanks,
Acee



>
>Best Regards,
>Alexey

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