perfsonar development work

Author: boote
Date: 2007-11-27 17:33:54 -0500 (Tue, 27 Nov 2007)
New Revision: 298

Modified:
   branches/owd/rnc/summary.rnc
Log:
Adding some comments, and modifying the bucket 'value' to be an
integer. (The point of creating the histogram is to compress the
data - so you want to loose the precision.)

jeff



Modified: branches/owd/rnc/summary.rnc
===================================================================
--- branches/owd/rnc/summary.rnc        2007-11-27 03:21:22 UTC (rev 297)
+++ branches/owd/rnc/summary.rnc        2007-11-27 22:33:54 UTC (rev 298)
@@ -151,6 +151,7 @@
                     attribute max_delay { xsd:float } |
                     element summary:max_delay { xsd:float }
                 )? &
+# Units is seconds
 # *_ipdv_jitter definitions from RFC 3393 (Section 4.5)
 # Basically, consecutive packets are selected for computing ipdv.
                 (
@@ -165,9 +166,14 @@
                     attribute max_ipdv_jitter { xsd:float } |
                     element summary:max_ipdv_jitter { xsd:float }
                 )? &
+# value_buckets is a histogram of all packet delays in
+# the sample.
+# bucket_width (from metadata) is used as the divisor when bucketing the
+# real delays to compute the 'value'. 'count' indicates
+# the number of packet delays that fell in this range.
                 element summary:value_buckets {
                     element summary:value_bucket {
-                        attribute value { xsd:float } &
+                        attribute value { xsd:int } &
                         attribute count { xsd:unsignedInt}
                     } +
                 }? &