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<div>Concur with Felix’s points below. Thanks, Felix! Unsure why the last 3 were “hidden” in the template I received, but I undid that setting in the update. </div>
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<div dir="ltr">Best,</div>
<div dir="ltr">Bob</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif"><b>From:</b> Felix Flentge <Felix.Flentge@esa.int><br>
<b>Sent:</b> Monday, May 15, 2023 3:39 AM<br>
<b>To:</b> Tomaso.deCola@dlr.de <Tomaso.deCola@dlr.de>; Robert C Durst <durst@mitre.org><br>
<b>Cc:</b> sis-dtn@mailman.ccsds.org <sis-dtn@mailman.ccsds.org><br>
<b>Subject:</b> [EXT] RE: SIS-DTN Input to SIS report to CESG
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Regards,</p>
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Felix</p>
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<b><span lang="EN-US">From:</span></b><span lang="EN-US"> Tomaso.deCola@dlr.de <Tomaso.deCola@dlr.de>
<br>
<b>Sent:</b> 15 May 2023 09:31<br>
<b>To:</b> Felix Flentge <Felix.Flentge@esa.int>; durst@mitre.org<br>
<b>Cc:</b> sis-dtn@mailman.ccsds.org<br>
<b>Subject:</b> AW: SIS-DTN Input to SIS report to CESG</span></p>
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<span lang="EN-US">Hi Felix, Bob,</span></p>
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<span lang="EN-US">My comments below (I’m merging all slides until this afternoon (Europe Time), so we have quite some time to accommodate any possible additional improvements):</span></p>
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<span lang="EN-US" style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US">In a previous e-mail, I was mistakenly requesting to indicate dates of the various projects which are in fact already there. Admittedly I opened the powerpoint from my mobile phone that for unknown reasons did not show
the last three slides about the projects :\</span></p>
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<span lang="EN-US" style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US">Slide 2: I’ll add a ‘-W’ for HTP.</span></p>
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<b><span lang="EN-US" style="color:#548235">FF: should be ‘optical comms – W’</span></b></p>
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<span lang="EN-US" style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US">Slide 3 about the BPSEC security profile: We can say that “it should be aligned to RFC 9173 or CCSDS 352.0-B-2, with possible support of COSE, for finalization in view of the first agency review of BPsec”. Would it make
sense?<br>
</span><b><span lang="EN-US" style="color:#548235">FF: Yes, it should be TBD with the Security WG and it is AFAIK anyway very similar</span></b><span lang="EN-US"></span></p>
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</span></span></span><span lang="EN-US">Slide 4 about HTP. I think in principle it’s up to the WG to select any name they like. I will make this proposal and if there any objections at CESG level, we’ll re-discuss this in the DTN weekly, since in any case this
will have to be reflected in the content of the corresponding orange book, whose book to be created next. As to the data rate, we may say 10+ Gbps. If I’m not wrong the objective of HRLTP project was a target of 10 Gbps and the power vectors used to characterize
the physical layer were tailored to such a data rate. For higher data rates slightly different power profiles should be instead considered. Nevertheless, I don’t think that the protocol operations would be affected by a slightly different channel profile,
that’s why I’d propose 10+.</span></p>
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<b><span lang="EN-US" style="color:#548235">FF: agree</span></b></p>
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</span></span></span><span lang="EN-US">Slide 5: concerning first/last hop, I understand it is going to start, i.e a resolution should be issued to seek the approval for this project. Am I right?</span></p>
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<b><span lang="EN-US" style="color:#548235">FF: No: we hope to find another WG to do the work; I assume the need will be conformed by IOAG with the Service Catalog #2 updates; I think candidate areas are CSTS or MOIMS</span></b></p>
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</span></span></span><span lang="EN-US">For the multipoint/multidestination point, we have to take a decision since this will affect the name of the project (and more importantly of the book). The points made by Scott make sense to me so that I’d be more in
favour of using ‘multi-point”. In case of other rationale to use instead multi-destination please let me know until 09.00 (EDT). If I don’t hear anything until then I will use “multi-point”. This is in any case for CESG, if we want later (but before we create
the project) to have a different name we can certainly do it.</span></p>
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<span lang="EN-US">Your comments obviously very welcome!</span></p>
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<span lang="EN-US">Tomaso</span></p>
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<b><span lang="DE">Von:</span></b><span lang="DE"> Felix Flentge <<a href="mailto:Felix.Flentge@esa.int">Felix.Flentge@esa.int</a>>
<br>
<b>Gesendet:</b> Montag, 15. Mai 2023 08:46<br>
<b>An:</b> de Cola, Tomaso <<a href="mailto:Tomaso.deCola@dlr.de">Tomaso.deCola@dlr.de</a>>;
<a href="mailto:durst@mitre.org">durst@mitre.org</a><br>
<b>Cc:</b> <a href="mailto:sis-dtn@mailman.ccsds.org">sis-dtn@mailman.ccsds.org</a><br>
<b>Betreff:</b> RE: SIS-DTN Input to SIS report to CESG</span></p>
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Hi Bob & All,</p>
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Thanks for chairing the intensive DTN meetings; I think we have achieved very good results aligning with mission needs in view of the limited resources!</p>
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I have a few minor comments on the slides (if it is not too late):</p>
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Slide 2: Hooke Transmission Protocol, need: please add ‘optical communication – W’</p>
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Slide 3: BPSEC security profile: I am not sure if it will be a profile of RfC 9173. IMHO, we should try to align with CCSDS 352.0-B-2 CCSDS Cryptographic Algorithms (which may turn out to be similar to RfC 9173) + maybe COSE.</p>
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Slide 4: Hooke Transmission Protocol:</p>
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</span></span></span>I am fine with the proposed name but I assume that should be agreed at CESG / CMC. I would also like that Jeremy has a say as he spent a lot of time working this out.</p>
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</span></span></span>I am not sure whether we achieved the 30 Gbps or not (10 we did for sure; higher rates are currently limited by the network I think) but I think it is worth mentioning that we have a prototypic implementation in FPGA and a ground implementation
in software</p>
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</span></span></span>We need to create a new project for the orange book. </p>
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Slide 5: for the previously-planned work items: maybe it is worth to mention ‘CCSDS Delivery Agent (First-Hop / Last-Hop services)’ to start making other areas aware)</p>
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Regards,</p>
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Felix</p>
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<b><span lang="EN-US">From:</span></b><span lang="EN-US"> SIS-DTN <<a href="mailto:sis-dtn-bounces@mailman.ccsds.org">sis-dtn-bounces@mailman.ccsds.org</a>>
<b>On Behalf Of </b>Tomaso de Cola via SIS-DTN<br>
<b>Sent:</b> 13 May 2023 17:21<br>
<b>To:</b> <a href="mailto:durst@mitre.org">durst@mitre.org</a><br>
<b>Cc:</b> <a href="mailto:sis-dtn@mailman.ccsds.org">sis-dtn@mailman.ccsds.org</a><br>
<b>Subject:</b> Re: [Sis-dtn] SIS-DTN Input to SIS report to CESG</span></p>
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Hi Bob, all, </p>
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I indeed acknowledge it has been a very intense and fruitful CCSDS DTN meeting! Many thanks to all of you for the very good discussions!</p>
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As to the prepared slides, the are very detailed and complete, probably I’ll make some statements more coincise as I have a short slot to present all SIS WGs.</p>
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Just some requests/clarifications:</p>
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1) I need in any case updated dates for the active projects. As mentioned in the chat yesterday probably BPv7 and BPsec could be approved for publication around Spring 2024. The orange CBR possibly already Q1-2024. All the others I guess later, maybe end 2024? </p>
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2) for the future projects I understand the plan is to have only orange books for HTP (Hooke is for Adrian Hooke?) and multi-destination, I.e. all other current drafts should disappear, isn’t it? In any case for these draft projects I need estimated dates for
start and end. Typically for orange book 1-year duration is ok.</p>
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3) resolutions: they can be issued only when corresponding material/content is ready, I.e. BPsec book ready for agency review. As such all proposed resolutions are for the near future, not of immediate execution. For the creation of the planned future orange
book project we can iterate during next week. I can tell you already we need start/end, description, agency in charge of editing the book.</p>
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Best,</p>
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Tomaso</p>
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Sent from my iPhone</p>
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On 13. May 2023, at 13:31, Robert C Durst <<a href="mailto:durst@mitre.org">durst@mitre.org</a>> wrote:</p>
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I neglected to mention the resolution to reaffirm LTP with the corrigendum that is under review within the WG. I added that, along with the WG motto for the week: “Orange is the New Blue.” (Depending on the sense of humor of the CESG, you may want to strike
that remark, which is at the top of slide 2…</p>
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Best,</p>
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Bob</p>
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<b>From:</b> Robert C Durst <br>
<b>Sent:</b> Saturday, May 13, 2023 1:37 AM<br>
<b>To:</b> <a href="mailto:Tomaso.deCola@dlr.de">Tomaso.deCola@dlr.de</a><br>
<b>Cc:</b> <a href="mailto:sis-dtn@mailman.ccsds.org">sis-dtn@mailman.ccsds.org</a><br>
<b>Subject:</b> SIS-DTN Input to SIS report to CESG</p>
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Tomaso,</p>
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Thanks to the members of the SIS-DTN WG for what I consider to be an enormously productive meeting, and thanks especially for helping me to get up to speed as WG chair.</p>
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Attached please find the SIS-DTN report for incorporation into your SIS report to the CESG. Apologies for the length, but there is much to report and update.</p>
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The key resolutions coming out of this meeting are as follows:</p>
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<span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span>Submit BPSec for Agency Review</p>
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<span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span>Charter DTN Multi-Destination Orange Book work item</p>
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Do you formulate those resolutions or do we? What is needed to charter the DTN Multi-Destination (aka, but don’t call it, multicast)? If I need to formulate those resolutions, by when do you need them? (And can you point me toward a somewhat current example?)</p>
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You will note that we have had to be rather ruthless in deferring or eliminating work items that do not seem feasible to complete in the context of the needs and need dates we identified during our review of mission capability needs. If these need further
explanation/rationale, please let me know.</p>
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If you have any questions, please call me at +1 703-217-7414. I will be flying between about 8am and noon CDT tomorrow (Saturday).
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Thanks and best regards,<br>
Bob</p>
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<d01-Area-Report-to-CESG Spring 2023-SIS_DTN.pptx></p>
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