+ @property
+ def protocols(self):
+ # Order the protocols by standard deviation which will give us cleaner graphs
+ # http://stackoverflow.com/questions/13958409/how-to-graph-rrd-stackable-data-by-standard-deviation-to-maximize-readability
+ stddev = self.object.get_stddev()
+
+ protos = {}
+ for p in self._protocols:
+ protos[p] = stddev.get(p)
+
+ return sorted(protos, key=protos.get)
+