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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have arranged for someone to open the telecon line tomorrow, but I won’t be able to attend due to a conflict. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>*<b>If</b>* it seems like there is a quorum:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo3'> Please consider the draft agenda send previously and send me email if there are issues that need addressed.<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=1><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo3'>Also, Leigh Torgerson sent the following comment on the BPv7 blue book that I think merits some consideration. We can discuss during the BPv7 discussion at the CCSDS meeting, but I’d like folks to consider this beforehand:<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:1.0in'><b><span style='font-size:12.0pt;color:black'>Subject: </span></b><span style='font-size:12.0pt;color:black'>CCSDS BP Specs - late agency review comment</span><o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'>I wish to note that while BPv6 is, I assume, deprecated (where does it say that in any CCSDS docs, by the way?), we still have missions and users flying BPv6, and in the future <u>continued support for bpv6 is required.</u><o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'> <o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'>If a user wishes to write a new application that is designed for BPv6, do we put in the contract to write something that is compatible with BP as specified by 734.2-B-1 (which does not indicate any particular version of BP in its title), and then on another project using BPv7 specify 734.2-P-1.1 (which has the same title as 734.2-B-1)?? Do you seriously think that won’t be confusing??<o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'> <o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'>If you are going to change a protocol in such a dramatic manner as to completely eliminate backward compatibility, from a System Engineering point of view, and as one who has to help both projects and the DSN do the formal documentation of what service agreements are with external customers, I believe CCSDS is making a bad mistake not giving the Bluebooks SEPARATE numbers and titles that indicate that the specification is for a particular protocol that is totally incompatible with another protocol with the same CCSDS book name.<o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'> <o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'>The recommendation is therefore to Change the title of the current BPv7 draft specification to “CCSDS BUNDLE PROTOCOL v7 SPECIFICATION”, assign it a new and non-confusing CCSDS book number, and then to add to the title of the existing 2015 BPv6 734.2-B-1 the indication that it is for BPv6.<o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'> <o:p></o:p></p><p class=MsoNormal style='margin-left:1.0in'>This would be both sound System Engineering practice, as well as sound contractual practice in accordance with both FARs and UCC regulations.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:.5in'>Resulting questions:<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Should we publish BPv7 as a separately numbered Blue Book rather than an update to the previous Blue Book?<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Should we revise the Blue Book to retain support for both versions? (I haven’t begun to consider what *<b>that</b>* does to naming and so forth.)<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>3)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Should BPv6 be reaffirmed or eventually be transitioned to Silver (historical) status? If Silver, when?<o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l2 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>4)<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>What is the IETF posture on BPv6 (RFC 5050)? It is listed as an experimental protocol, while RFC9171 is “standards track,” but not yet an internet standard. There is no attempt in the IETF to maintain backward compatibility, because nothing in the IETF world is using BPv6 operationally, unlike the CCSDS world.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>If there’s not a quorum, please ponder these and we’ll return to them later.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you!<br>Bob<o:p></o:p></p></div></body></html>