5GMSd - QoE Metrics Reporting - Clarification on sampling rate for buffer level #78
Labels
3GPP Rel-16
Issues relating to 3GPP Release 16 specifications.
3GPP Rel-17
Issues relating to 3GPP Release 17 specifications.
3GPP TS 26.512
Issues relating to SA4's "5G Media Streaming (5GMS); Protocols" specification.
5GMS Metrics Reporting
Adopted
Clarification
Milestone
Problem description
TS 26.512 Section 11.4.3 defines the metrics reporting format to be used for 5G Media Streaming referencing the scheme
urn:3GPP:ns:PSS:DASH:QM10
and TS26.247 clause 10.6.1 and 10.6.2.One of the metrics defined in TS26.247 and ISO/IEC 23009-1 is
BufferLevel
. Two questions/comments arose when looking into the reporting of theBufferLevel
as part of the reference implementation in the 5G-MAG Reference Tools.ServiceAccessInformation.clientMetricsReportingConfigurations.reportingInterval
). Or should it be derived periodically according to another configuration parameter? The report send on each iteration of the reporting interval would then contain multiple<BufferLevelEntry>
elements.BufferLevel
and theBufferLevelEntry
elements as they contain no media type. Instead thelevel
is defined as : Indicates the playout duration for which media data of all active media components is available starting from the current playout time.Suggested solution
bufferLevelSamplingPeriod
to the ServiceAccessInformation.Additional context
A related discussion can be found here: 5G-MAG/rt-5gms-media-stream-handler#33
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