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RFC 6958, "RTP Control Protocol (RTCP) Extended Report (XR) Block for Burst/Gap Loss Metric Reporting", May 2013

Source of RFC: xrblock (rai)

Errata ID: 4524
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT

Reported By: Varun Singh
Date Reported: 2015-11-06
Held for Document Update by: Alissa Cooper
Date Held: 2015-12-07

Section 3.2 says:

  Number of Bursts: 16 bits

    The number of bursts in the period of the report (Interval or
    Cumulative).

    The measured value is an unsigned value.  If the measured value
    exceeds 0xFFFD, the value 0xFFFE MUST be reported to indicate
    an over-range measurement.  If the measurement is unavailable,
    the value 0xFFFF MUST be reported.

It should say:

  Number of Bursts: 12 bits

    The number of bursts in the reporting period (Interval or
    Cumulative).

    The measured value is an unsigned value.  If the measured value
    exceeds 0xFFD, the value 0xFFE MUST be reported to indicate
    an over-range measurement.  If the measurement is unavailable,
    the value 0xFFF MUST be reported.

Notes:

This was discussed on the mailing list after the Prague meeting and agreed at the Yokohama meeting.

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