<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:sans-serif;
        panose-1:0 0 0 0 0 0 0 0 0 0;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:blue;
        text-decoration:underline;}
p
        {mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman";}
tt
        {font-family:"Courier New";}
span.EmailStyle19
        {mso-style-type:personal-reply;
        font-family:Arial;
        color:navy;}
@page Section1
        {size:8.5in 11.0in;
        margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
        {page:Section1;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=blue>
<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Lorna,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>For the Origin Servers below, Each
Supername can only cache fill from a single Origin hostname. It is not
possible to fill from multiple hostnames has you have below. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>For example: <a
href="http://www.usgs.gov/">www.usgs.gov</a> the origin hostname is origin-www.usgs.gov
this will work fine.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The rest have multiple origin names, where
as each supername can only have one origin hostname to fill from. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p><b><font size=2 color=red face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:red;font-weight:bold'>Todd Culotta</span></font></b><b><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;font-weight:bold'><br>
</span></font></b><b><font size=1 color=black face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:black;font-weight:bold'>Sales
Engineer III<br>
Federal Markets<br>
Level 3 Communications<br>
2300 Corporate <u1:Street u2:st="on"><u1:address u2:st="on">Park Drive</u1:address></u1:Street>,
<u1:address u2:st="on"><u1:Street u2:st="on">Suite</u1:Street> 600</u1:address><br>
<u1:place u2:st="on"><u1:City u2:st="on">Herndon</u1:City>, <u1:State u2:st="on">VA</u1:State>
<u1:PostalCode u2:st="on">20171</u1:PostalCode></u1:place><br>
p: 703-234-8926<br>
m: 703-593-7673<br>
e: todd.culotta@level3.com</span></font></b><b><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy;
font-weight:bold'><br>
</span></font></b><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'><a
href="blocked::http://www.level3.com/" title="blocked::http://www.level3.com/"></a></span></font></b><b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:
bold'></span><o:p></o:p></span></font></b></p>
</div>
<span title="blocked::http://www.level3.com/">
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Lorna A Schmid
[mailto:lorna@usgs.gov] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, July 16, 2009 2:55
PM<br>
<b><span style='font-weight:bold'>To:</span></b> GS Level3<br>
<b><span style='font-weight:bold'>Subject:</span></b> notes with questions and
action responses</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>July 16 Meeting Notes</span></font></i></b>
<o:p></o:p></p>
<p><b><font size=3 face="Times New Roman"><span style='font-size:12.0pt;
font-weight:bold'>USGS</span></font></b> <br>
Jeremy Fee <br>
Lisa Wald <br>
Scott Horvath <br>
Dan Winkless <br>
Larry McIrvin <br>
Greg Senko <br>
David Boldt <br>
Lorna Schmid <br>
<br>
<b><span style='font-weight:bold'>Level3</span></b> <br>
Todd Culatta <br>
Mark Taylor – Customer Project Manager <br>
Todd D’More -- Implementation Engineer <br>
Libby McClary <br>
<br>
<b><span style='font-weight:bold'>Dan is updating the </span></b><a
href="mailto:gs_level3@usgs.gov"><b><span style='font-weight:bold'>gs_level3@usgs.gov</span></b></a><b><span
style='font-weight:bold'> </span></b><br>
<b><span style='font-weight:bold'>working with Libby to make sure that the
Level 3 folks are in our mail alias. </span></b> <br>
<b><span style='font-weight:bold'>Lisa Wald sent the Earthquake alias.</span></b>
<o:p></o:p></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>ACTION: get hostnames and
source servers</span></font></i></b> <o:p></o:p></p>
<p><b><font size=3 face="Times New Roman"><span style='font-size:12.0pt;
font-weight:bold'>CDN hostnames and </span></font></b><br>
<b><span style='font-weight:bold'>origin servers:</span></b> <br>
<br>
<a href="http://www.usgs.gov">www.usgs.gov</a> <br>
origin-www.usgs.gov <br>
<br>
<br>
<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>earthquake.usgs.gov</span></font></tt>
<br>
<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>ehp1-earthquake.cr.usgs.gov</span></font></tt><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><br>
<tt><font face="Courier New">ehp2-earthquake.wr.usgs.gov</font></tt><br>
<tt><font face="Courier New">ehp3-earthquake.gps.caltech.edu</font></tt><br>
<tt><font face="Courier New">ehp4-earthquake.cr.usgs.gov</font></tt></span></font>
<br>
<br>
<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>quake.usgs.gov</span></font></tt><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><br>
<br>
<tt><font face="Courier New"> ncweb-north.wr.usgs.gov</font></tt><br>
<tt><font face="Courier New"> ncweb-den.cr.usgs.gov</font></tt><br>
<tt><font face="Courier New"> ncweb-east.er.usgs.gov</font></tt><br>
<br>
<tt><font face="Courier New">neic.usgs.gov</font></tt><br>
<tt><font face="Courier New"> neic.cr.usgs.gov</font></tt></span></font>
<br>
<br>
For testing we need <br>
test-www.usgs.gov <br>
test-<tt><font size=2 face="Courier New"><span style='font-size:10.0pt'>earthquake.usgs.gov</span></font></tt>
<br>
test-<tt><font size=2 face="Courier New"><span
style='font-size:10.0pt'>quake.usgs.gov</span></font></tt> <br>
test-<tt><font size=2 face="Courier New"><span
style='font-size:10.0pt'>neic.usgs.gov</span></font></tt> <br>
<br>
<b><span style='font-weight:bold'>To test the DNS split for Intranet and public
users, we need to have another test CDN host</span></b> <br>
<br>
level3.natweb.usgs.gov that points to <br>
level3-origin.natweb.usgs.gov <br>
<br>
In our internal DNS .usgs.gov users will go to level3-origin.natweb.usgs.gov
and public DNS will go to the level 3 CNAME (provided by Mark D’Amore @ Level
3). <br>
<br>
***************** <br>
<br>
Create a test hostname & content page for us to CNAME to Level 3. <br>
<br>
Gs help dns: <br>
1. origin-www.usgs.gov is <a href="http://www.usgs.gov">www.usgs.gov</a> <br>
2. supername -- test-www.usgs.gov <br>
<font face=Wingdings><span style='font-family:Wingdings'>Ø </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> Need
the alias name for Level 3 <br>
<br>
CCD – Customer Commit Date is now set to Monday <br>
<br>
Apache SSI – compare incoming hostname to some text. Edge side include is
what we’re looking for… <br>
Logic based programming available <br>
<br>
Can have two copies of the pages that have those internal links. <br>
<br>
Geoblocking or allowing content based on country code. <br>
<br>
Look at the referrer header <o:p></o:p></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>Whole site caching vs. object caching</span></font></i></b>
<o:p></o:p></p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Image.www.usgs.gov
would house all the images that the pages needs to put the page together. <br>
<br>
<b><span style='font-weight:bold'>USGS ACTION: Test </span></b><br>
Using DNS to have all “usgs.gov” machines directed to origin-www.usgs.gov and
public would go to <a href="www.usgs.gov">www.usgs.gov</a> <o:p></o:p></span></font></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>Access to USGS networks by Level 3
wellness testing and caching systems</span></font></i></b> <o:p></o:p></p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Need to
further discuss the requirement to have a known set of Level3 servers allowed
into the USGS network. Either ip subnets or a known number of servers. <o:p></o:p></span></font></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>Content Freshness</span></font></i></b>
<o:p></o:p></p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Default
TTL is one year. They do honor cache control headers to manage the TTL. <br>
Purging content method? <br>
</span></font><font face=Wingdings><span style='font-family:Wingdings'>Ø </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> <font
face=Wingdings><span style='font-family:Wingdings'> </span></font> Use the
portal or an API cgi that you use. <br>
<br>
Are there query strings that generate unique per visitor parameters.
Passing a session ID? If yes, there is a workaround to optimize the
caching of that content. <o:p></o:p></p>
<p><b><i><font size=4 face=Arial><span style='font-size:13.5pt;font-family:
Arial;font-weight:bold;font-style:italic'>Portal Management</span></font></i></b>
<o:p></o:p></p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>1 super
user and then they will set up user accounts within USGS. <br>
Properties = EQ, <a href="http://www.usgs.gov">www.usgs.gov</a>, DNS <br>
<br>
<br>
</span></font><font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
Lorna Schmid<br>
USGS/EWeb<br>
Infrastructure and Operations Team Leader<br>
lorna@usgs.gov<br>
703.648.6834 (w)<br>
703.946.0257 (c)<br>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
Happiness is when what you think, <br>
what you say, and what you do <br>
are in harmony.<br>
-- M. Ghandi</span></font><o:p></o:p></p>
</div>
</body>
</html>