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h3. Motivation

We have three different setsets of landmarks deployed all over the world, this map enables us to see them based on their locationdepending on performance some of them may be active while other are disabled. There wasare atwo needmaps, toone segregatefor differenteach typesset of landmarks. This enables andus identifyingto whichsee onesthem arebased enabledon andtheir disabledlocation. Map for active landmarks can be seen at [http://www.slac.stanford.edu/comp/net/wan-mon/viper/tulip_maptulipmap.html|http://www.slac.stanford.edu/comp/net/wan-mon/viper/tulipmap.html] while the map for disables landmarks can be seen at [http://www.slac.stanford.edu/comp/net/wan-mon/viper/tuliptulipmap_mapd.html]


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h3. Types of Landmarks

# PlanetLab Landmark sites
# PingER Landmark sites
# PerfSONAR Landmark sites

h3. Methodology

Two XML files are used for getting node information. These XML files are created from a perl script at /afs/slac.stanford.edu/package/pinger/tulip/generateActiveNodes.pl. The html file (tulip_maptulipmap.htm) is placed at /afs/slac.stanford.edu/www/comp/net/wan-mon/viper

* {html}<A href="http://www.slac.stanford.edu/comp/net/wan-mon/viper/active-rss.xml" mce_href="http://www.slac.stanford.edu/comp/net/wan-mon/viper/active-rss.xml">active-rss.xml</A> is used to plot the active nodes for the landmarks above{html}
* {html}<A href="http://www.slac.stanford.edu/comp/net/wan-mon/viper/disable-rss.xml" mce_href="http://www.slac.stanford.edu/comp/net/wan-mon/viper/disable-rss.xml">disable-rss.xml</A> is used to plot the disabled nodes for the landmarks above{html}

h3. XML Pattern for a node

{code}
<item>
<title>"United Kingdom"</title>
<link>87.84.153.115</link>
<lat>54.988</lat>
<lon>-1.6</lon>
<host>csplanet02.cs-ncl.net</host><region>Europe</region>
<type>PlanetLab</type>
<subject>dPl</subject>
</item>
{code}


h4. Distinguishing subject tags

{code}
<subject>aPl</subject> // Active Planet Lab
<subject>dPl</subject> // Disabled Planet Lab
<subject>aPingER</subject> // Active PingER
<subject>dPingER</subject> // Disabled PingER
<subject>aPerf</subject> // Active PerfSONAR
<subject>dPerf</subject> // Disabled PerfSONAR
{code}