Capwap Mailing List: Re: Issue 166: Various IANA Issues

[Pat Calhoun (pacalhou) (pcalhoun]

> > Currently, any vendor (or SDO) can define their own message elements

> > through the vendor specific message element. This message element 
> > allows the vendor (or SDO) to include their Enterprise Code, and
they 
> > can manage their own message element namespace.
> 
> This didn't really answer my question.
> 
> Which of the following is meant by this section and Section 4.6.1?
> 
> - The AC Descriptor message element MUST always contain exactly one
>   Sub-Element with "AC Information Vendor Identifier"=0/"AC
Information
>   Type"=4, exactly one Sub-Element with Vendor=0/Type=5,
>   MAY contain other Sub-Elements.
> 
>   (In this case, saying that the contents are "vendor specific"
>   is a bit strange, since the message doesn't tell who the
>   vendor is. Perhaps "printable UTF-8 string intended for the
>   administator" or something was intended?)
> 
> - The AC Descriptor message element MUST always contain exactly
>   one Sub-Element with "AC Information Vendor Identifier"=SOMEV/
>   "AC Information Type"=4, exactly one Sub-Element with Vendor=SOMEV/
>   Type=5, and MAY contain other Sub-Elements.
> 
> (BTW -- this same question seems to apply to WTP Board Data message
element as well.)

My apologies - I completely misunderstood the original comment. I see
now what you are asking. I have modified the text to:

<modified text>
15.10.  AC Information Type

   The Information Type field in the AC Descriptor message element (see
   Section 4.6.1) is used to represent information about the AC.  The
   namespace is 16 bits (0-65535), where the value of zero (0) is
   reserved and must not be assigned.  This field, combined with the AC
   Information Vendor ID, allows vendors to use a private namespace.
   This specification defines the AC Information Type namespace when the
   AC Information Vendor ID is set to zero (0), for which the values
   four (4) and five (5) are allocated in this specification, and can be
   found in Section 4.6.1.  This namespace is managed by IANA and
   assignments require a Expert Review.  IANA will create the AC
   Information Type registry, whose format is:

           AC Information Type              Type Value       Reference

15.20.  WTP Board Data Type

   The Board Data Type field in the WTP Board Data message element (see
   Section 4.6.39) is used to represent information about the WTP
   hardware.  The namespace is 16 bits (0-65535).  This field, combined
   with the Vendor ID field, allows vendors to use a private namespace.
   This specification defines the WTP Board Data Type namespace when the
   Vendor ID field is set to zero (0), for which the values zero (0)
   through four (4) are allocated in this specification, and can be
   found in Section 4.6.39.  This namespace is managed by IANA and
   assignments require a Expert Review.  IANA will create the WTP Board
   Data Type registry, whose format is:

           WTP Board Data Type              Type Value       Reference
</modified text>

Makes sense?

PatC