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
>
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>
>----------------------------------------------------------------------
>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].


Thanks,
Acee 




>
>

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