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Status: Verified (2)

RFC 7273, "RTP Clock Source Signalling", June 2014

Source of RFC: avtcore (rai)

Errata ID: 4450

Status: Verified
Type: Technical

Reported By: Kevin Gross
Date Reported: 2015-08-18
Verifier Name: Ben Campbell
Date Verified: 2016-05-25

Section 4.8 says:

  ; PTP domain allowed characters: 0x21-0x7E (IEEE 1588-2002)
   ptp-domain-name = "domain-name=" 1*16ptp-domain-char
   ptp-domain-char = %x21-7E

   ; PTP domain allowed number range: 0-127 (IEEE 1588-2008)
   ptp-domain-nmbr = "domain-nmbr=" ptp-domain-dgts
   ptp-domain-dgts = ptp-domain-n1 / ptp-domain-n2 / ptp-domain-n3
   ptp-domain-n1   = DIGIT             ; 0-9
   ptp-domain-n2   = POS-DIGIT DIGIT   ; 10-99
   ptp-domain-n3   = ("10"/"11") DIGIT ; 100-119
                   / "12" %x30-37      ; 120-127

It should say:

   ; PTP domain allowed characters: 0x21-0x7E (IEEE 1588-2002)
   ptp-domain-name = 1*16ptp-domain-char
   ptp-domain-char = %x21-7E

   ; PTP domain allowed number range: 0-127 (IEEE 1588-2008)
   ptp-domain-nmbr = ptp-domain-dgts
   ptp-domain-dgts = ptp-domain-n1 / ptp-domain-n2 / ptp-domain-n3
   ptp-domain-n1   = DIGIT             ; 0-9
   ptp-domain-n2   = POS-DIGIT DIGIT   ; 10-99
   ptp-domain-n3   = ("10"/"11") DIGIT ; 100-119
                   / "12" %x30-37      ; 120-127

Notes:

There is an inconsistency between ABNF in section 4.8 and examples in section 5.5. Due to evidence that current implementations are working to what is shown in the examples, this is resolved by updating the ABNF specification.

Errata ID: 4548

Status: Verified
Type: Editorial

Reported By: John Fletcher
Date Reported: 2015-12-01
Verifier Name: Ben Campbell
Date Verified: 2016-05-25

Section 5.2 says:

A rate modifier may be specified.  The modifier is expressed as the
ratio of two integers and modifies the rate specified or implied by
the media description by this ratio.

It should say:

A rate modifier may be specified.  The modifier is expressed as the
ratio of two integers and multiplies the rate specified or implied by
the media description by this ratio.

Notes:

Original text says that the rate modifier \\\"modifies the rate\\\" but does not say how.

Verifier note: I think "Modified by a ratio" will be generally interpreted as "multiply...". This seems editorial.

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