[media-types] [IANA #1450200] application/cmcd registrat ion request

Hi Darrel,

Sending a reminder for this request from April 15th.

thanks,
Amanda

On Wed Apr 15 17:40:36 2026, amanda.baber wrote:
> Hi Darrel,
> 
> Would you be able to review the revised version of this request by
> April 29th? This was originally submitted as text/cmcd in February.
> 
> thanks,
> Amanda
> 
> =====
> 
> Name: Alexandra Blasgen
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: cmcd
> 
> Required parameters: N/A
> 
> Optional parameters: N/A
> 
> Encoding considerations: 8bit
> 
> UTF-8 coded strings
> 
> Security considerations: The privacy and security concerns are
> discussed in sec. 7 of the CMCD specification.
> 
> Interoperability considerations: The MIME type describes a
> standardized "snapshot" of media player state and conditions, and is
> intended to enable interoperable analysis and monitoring solutions for
> media distribution.
> 
> Published specification: This MIME type corresponds to the batch
> format of the Common Media Client Data specification, CTA-5004.
> The second version of this specification contains the batch
> functionality. The final published version of the spec is available at
> https://cta-wave.github.io/Resources/common-media-client-data--cta-
> 5004-b.html.
> 
> Applications which use this media: Requests with this MIME type are
> emitted by media players. The receiving service would typically use
> these for purposes such as, monitoring and fault analysis.
> 
> Fragment identifier considerations: N/A
> 
> Restrictions on usage: N/A
> 
> Provisional registration? (standards tree only): No
> 
> Additional information:
> 
> 1. Deprecated alias names for this type: N/A
> 2. Magic number(s): N/A
> 3. File extension(s): cmcd
> 4. Macintosh file type code: N/A
> 5. Object Identifiers: N/A
> 
> General Comments:
> 
> Person to contact for further information:
> 
> 1. Name: Alexandra Blasgen
> 2. Email: [email protected]
> 
> Intended usage: COMMON
> 
> Author/Change controller: Consumer Technology Association (CTA)

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