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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi Stephen,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Going through the options ...<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><span
style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>sounds more straightforward even given the problems you
list.&nbsp;&nbsp; The other solutions could possibly slot in after this as an initial
baseline.<o:p></o:p></span></p>

<p class=MsoListParagraph><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='margin-left:18.0pt'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>2) As Bryan mentions aren&#8217;t
there other data node apps to consider as well as TDS?&nbsp;&nbsp; If the
filter is generic I suppose it could apply to all HTTP based ones.&nbsp; &nbsp;The
combination of access to the &#8216;traditional&#8217; data node URLs and DRS
ones sound like it could be difficult to resolve with the catalogs.&nbsp; As
you say separate mapping code would be needed for GridFTP but if it was written
cleverly enough it could re-use the code from the filter.<o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:18.0pt'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='margin-left:18.0pt'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>3) I think it would be better
to keep any mapping at the Data Node.&nbsp; I could see access to a Data Node
independent of the Gateway for other apps as well as GridFTP.&nbsp; We
effectively have this now at BADC with our PyDAP based service.<o:p></o:p></span></p>

<p class=MsoNormal style='margin-left:18.0pt'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal style='margin-left:18.0pt'><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>4) This sounds difficult for
individual organisations to administer.&nbsp; Presumably it would need its own
set of services for centres to access and administer it.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cheers,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Phil<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> go-essp-tech-bounces@ucar.edu [mailto:go-essp-tech-bounces@ucar.edu]
<b>On Behalf Of </b>stephen.pascoe@stfc.ac.uk<br>
<b>Sent:</b> 14 December 2009 11:22<br>
<b>To:</b> go-essp-tech@ucar.edu<br>
<b>Subject:</b> [Go-essp-tech] Options for implementing DRS URLs in CMIP5<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi
all,</span><o:p></o:p></p>

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<div>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>So
far we haven't agreed on how we are going to support DRS URLs across the CMIP5
ESG federation.&nbsp; Several options were discussed briefly at NCAR last week
but we didn't talk details.&nbsp; I've attached a document with 4 options for
how we could do it.&nbsp; I'd appreciate input on extra options and
advantages/disadvantages of what's already there.</span><o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
think we need to make a decision about this very soon or DRS URLs won't become
a reality.&nbsp; Can we discuss this at the telco on Tuesday?</span><o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Cheers,</span><o:p></o:p></p>

</div>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Stephen.</span><o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>---</span><o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Stephen
Pascoe&nbsp; +44 (0)1235 445980</span><o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>British
Atmospheric Data Centre</span><o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Rutherford
Appleton Laboratory</span><o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p>-- <br>
Scanned by iCritical. <o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<br><p>-- 
<BR>Scanned by iCritical.
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