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<p class="MsoNormal">Hi Gippo,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This looks good to me. But don't you want these to be "<span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:#0082BF">efficient and
</span><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:red">inter-</span><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:#0082BF">operable"<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks, Peter<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Gian Paolo Calzolari <Gian.Paolo.Calzolari@esa.int><br>
<b>Date: </b>Monday, April 16, 2018 at 12:30 PM<br>
<b>To: </b>Peter Shames <peter.m.shames@jpl.nasa.gov><br>
<b>Cc: </b>CCSDS Engineering Steering Group - CESG Exec <cesg@mailman.ccsds.org>, "Margherita.di.Giulio@esa.int" <Margherita.di.Giulio@esa.int>, Wallace Tai <wallace.s.tai@jpl.nasa.gov>, Gilles Moury <Gilles.Moury@cnes.fr>, Greg Kazz <greg.j.kazz@jpl.nasa.gov>,
Matthew Cosby <matthew.cosby@goonhilly.org><br>
<b>Subject: </b>Re: "User Services" // SLS strategic goal 3 change<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">
<a name="_MailOriginalBody"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Peter,</span></a><span style="mso-bookmark:_MailOriginalBody">
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> after quick SLS discussion, we decided that we are going to change it to:</span></span><span style="mso-bookmark:_MailOriginalBody">
<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody"><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:#0082BF">To provide efficient and operable space data link protocols
</span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:red">and related
</span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:#A160FF">interfaces to space link transfer services (for
</span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:red">e.g. Space Packet Protocol, Encapsulation Service, IP over CCSDS)
</span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:24.0pt;font-family:"Arial",sans-serif;color:#0082BF"> capable of satisfying the needs of current and future missions;</span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt">
</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="mso-bookmark:_MailOriginalBody"><br>
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards</span></span><span style="mso-bookmark:_MailOriginalBody">
<br>
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Gian Paolo</span></span><span style="mso-bookmark:_MailOriginalBody">
<br>
<br>
<br>
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">From: </span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Shames,
Peter M (312B)" <peter.m.shames@jpl.nasa.gov></span></span><span style="mso-bookmark:_MailOriginalBody">
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">To: </span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Gian
Paolo Calzolari <Gian.Paolo.Calzolari@esa.int></span></span><span style="mso-bookmark:_MailOriginalBody">
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">Cc: </span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"Margherita.di.Giulio@esa.int"
<Margherita.di.Giulio@esa.int>, "Tai, Wallace S (9000)" <wallace.s.tai@jpl.nasa.gov>, "CCSDS Engineering Steering Group - CESG Exec" <cesg@mailman.ccsds.org></span></span><span style="mso-bookmark:_MailOriginalBody">
<br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">Date: </span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">16/04/2018
16:09</span></span><span style="mso-bookmark:_MailOriginalBody"> <br>
</span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#5F5F5F">Subject: </span></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">"User
Services"</span></span><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<span style="mso-bookmark:_MailOriginalBody">
<hr size="0" width="100%" noshade="" style="color:#A0A0A0" align="center">
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<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">
<span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody">Hi Gippo,<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody">My suggestion is that you change "user services" on that last slide to something like "link layer interface and adaptation". I do not believe that any of the things that SLS addresses are in any sense "user services".
But all of these SPP, Encap, IP over CCSDS are definitely interfaces to the link layer or adaptations to the link layer.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody">And yes, I do know that we talk, in the abstract, about service access points on all of our layers, which is where the "provided services" are exposed. This is ISO speak. But these are not really user services
and to characterize them as such is somewhat confusing and also is outside the charter of SLS in general.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody">Thanks, Peter<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt">
<span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<pre style="margin-left:.5in"><span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></pre>
<pre style="margin-left:.5in"><span style="mso-bookmark:_MailOriginalBody">Thank you.</span><o:p></o:p></pre>
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