--- /dev/null
+#
+# Extensions for PlanetLab Resources
+# Version 1
+#
+
+namespace plos = "http://www.planet-lab.org/resources/sfa/ext/plos/1"
+
+FWRuleSpec = element plos:attribute {
+ attribute protocol { text },
+ attribute port_range { text },
+ attribute cidr_ip { text }
+}
+
+start = FWRuleSpec
+