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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Chris,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Following on from the last teleconference, could you let me
know what else you need besides the slides that I have already provide, after
your previous request?</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Some thoughts about USPs for TCONS:</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Provides various traffic classes appropriate for
onboard use</span></font></p>
<p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>o<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Best effort with priority</span></font></p>
<p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>o<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Guaranteed delivery with priority</span></font></p>
<p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>o<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Scheduled delivery (deterministic)</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Can carry other protocols (e.g. TCP/IP) without
upsetting time-critical traffic</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>TCONS maintains the following features which may also
be present in other protocols:</span></font></p>
<p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>o<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Generic interface to application software across
different underlying buses/networks</span></font></p>
<p class=MsoNormal style='margin-left:72.0pt;text-indent:-18.0pt'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>o<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Interoperability</span></font></p>
<p class=MsoNormal style='margin-left:108.0pt;text-indent:-18.0pt'><font
size=2 face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings'>§<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Software interoperability via API definition</span></font></p>
<p class=MsoNormal style='margin-left:108.0pt;text-indent:-18.0pt'><font
size=2 face=Wingdings><span style='font-size:10.0pt;font-family:Wingdings'>§<font
size=1 face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Equipment interoperability via PDU and protocol
definition</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Regards</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Steve</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>------------------------------------------</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Steve Parkes</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Space Systems Research Group</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Applied Computing, University of Dundee</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Dundee, DD1 4HN, Scotland, UK</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Tel: +44 1382 345194</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Fax: +44 1382 348838</span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Mobile: +44 784 138 3779</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
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