> Hi Dino,
>  
> This is better. Thanks.
>  
> I would remove the “Not Assigned” from the table because your introduction 
> text is about “codes assigned by this document”.
> I would add a note for asking IANA to formally assign type 5.

I will add text to new 7.1 section I added.

> BTW, did you considered to use type code 4 for both Map-Notify and 
> Map-Notify-Ack given that both messages have the same format and content? 
> This is doable by using a reserved bit as follows:

We did not. But it is too late. There are implementations that already exist 
that use type 5. Also note, the Map-Register has the same format. In fact, all 
EID records in Map-Register, Map-Notiy, Map-Notify-Ack, and Map-Reply are the 
same. Ditto for RLOC-records. That is for using common parsing code in 
implementations.

Dino

>  
> OLD:
>  
>         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
>        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>        |Type=4/5|             Reserved                 | Record Count  |
>        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>  
> NEW:
>  
>         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
>        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>        |Type=4 |A|            Reserved                 | Record Count  |
>        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>   
> A (Ack-bit): MUST be set to 0 for Map-Notify and to 1 for Map-Notify-Ack.
>  

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