Packet Delay Variation Applicability Statement
RFC 5481
Yes
No Objection
Note: This ballot was opened for revision 02 and is now closed.
Lars Eggert Yes
(Dan Romascanu; former steering group member) Yes
(Jari Arkko; former steering group member) Yes
Good work. One small issue: I found this confusing: range(b) = b_max - b_min = D_max - D_min + A Is "b" here a variable or does it represent buffering as earlier? b_min does not appear elsewhere in the document, did you mean B_min?
(Lisa Dusseault; former steering group member) Yes
In section 4.4: Note that the IPDV histogram will change if the sequence of delays is modified, but the PDV histogram will stay the same. Should this be if the *order* of the sequence of delays is modified? I believe if the sequence of delays were modified by changing the values, PDV histogram could change. On reading more of the document, I believe this wording is intentional; it seems that sequence is used as a synonym for order elsewhere in the doc. For the record, I usually treat "sequence" as a synonym for "an ordered set" rather than "an order", but usage may differ in other communities.
(Ron Bonica; former steering group member) Yes
(Chris Newman; former steering group member) No Objection
(Cullen Jennings; former steering group member) No Objection
(David Ward; former steering group member) No Objection
(Mark Townsley; former steering group member) No Objection
(Pasi Eronen; former steering group member) No Objection
The document was unexpectedly easy to understand (even to someone who doesn't have much background knowledge about this kind of metrics and measurements) -- good work!
(Ross Callon; former steering group member) No Objection
(Russ Housley; former steering group member) No Objection
In the Gen-ART Review by Christian Vogt, two suggestions were made: Section 1.1, 3rd paragraph: "Lost and delayed packets are separated by a waiting time threshold." -- Since the waiting time threshold does not only apply to those packets that are lost or delayed, this sentence should be rephrased to: "Packets for which one-way loss or delay is measured are...". Section 3.2, 4th-to-last paragraph: "The error in the alignment process can be accounted for by a factor, A." -- A is an offset (addend) here, not a factor.
(Tim Polk; former steering group member) (was No Record, Discuss) No Objection
The Summary of Comparisons table in section 7.3 would be more legible if there was a blank line or a line of dashes separating each row.