[media-types] [IANA #1433073] application/3gpp-media-del ivery-metrics-report+json registration request

Hi Darrel,

Sending a reminder for this request from October 7th.

thanks,
Amanda

On Tue Oct 07 04:13:41 2025, amanda.baber wrote:
> Hi Darrel,
> 
> Can you review this request for us by October 21st?
> 
> 3GPP media subtype names usually begin with "vnd.", but we've
> registered a few that don't, like this one.
> 
> thanks,
> Amanda
> 
> =====
> 
> Name: Dongwook Kim
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: 3gpp-media-delivery-metrics-report+json
> 
> Required parameters: version (see clause E.2.2 of 3GPP TS 26.510).
> 
> Optional parameters: N/A
> 
> Encoding considerations: 8bit
> 
> This is a JSON document, and the encoding considerations are the same
> as for media type application/json defined in IETF RFC 8259.
> 
> Security considerations: This media format is used to report Quality
> of Experience metrics in 3GPP Media Delivery Systems such as the 5G
> Media Streaming (5GMS) System.
> This format is highly susceptible to manipulation or spoofing for
> attacks designed to inject fake metrics. Both integrity protection and
> source authentication are recommended to prevent misleading of the
> recipient.
> 
> Interoperability considerations: The specification defines a platform-
> independent metrics reporting document format, and it is intended that
> wide interoperability can be achieved.
> 
> Published specification: 3GPP TS 26.510 clause 9.5.3.2 (if version
> needs to be provided, please see v19.0.0)
> 
> Applications which use this media: 3GPP 5GMS-based applications and
> services
> 
> Fragment identifier considerations: The provisions of RFC 6901 (JSON
> Pointer) apply.
> 
> Restrictions on usage: None
> 
> Provisional registration? (standards tree only): No
> 
> Additional information:
> 
> 1. Deprecated alias names for this type: None
> 2. Magic number(s): None
> 3. File extension(s): json
> 4. Macintosh file type code: None
> 5. Object Identifiers: None
> 
> General Comments: None
> 
> Person to contact for further information:
> 
> 1. Name: 3GPP Specifications Manager, Dongwook Kim
> 2. Email: [email protected]
> 
> Intended usage: COMMON
> 
> Author/Change controller: 3GPP TSG SA WG4
> <[email protected]>

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