|
|
|
Value = % availability (e.g.
= # unavailable samples / total samples)
|
|
|
|
NetworkTestTool
|
|
toolName =
ping
|
|
Network TestInfo
|
|
source =
oceanus.slac.stanford.edu
|
|
destination =
www.cern.sh
|
|
NetworkToolSetting
|
|
startTime =
200304010030.123456 (start at beginning of month)
|
|
time =
200304302359.654321 (end at end of month)
|
|
packetSize = 100
|
|
numPackets = 10 (this is the number of
packets in a cycle or more generally the number of packets sent as probes for determining connectivity, see
RFC 2678, it is not the total packets for the month, i.e. it is not
30days*24hr*60mins*10pkts/30min = 14400?)
|
|
packetSpacing = periodic
|
|
packetGap =
1.0
|
|
packetType =
ICMP
|
|
lossThreshold = 20 (the waiting time of RFC 2678)
|
|
NetworkPathAvailabilityStatistics
|
|
Property Type Requirement Description
|
|
Level
|
|
MTBF uint32
O Mean Time Between Failures
|
|
in seconds
|
|
MTTR uint32
O Mean Time To Repair
|
|
in seconds
|
|
downs uint32
O Number of periods when path was not
available
|
|
medianOutageLength uint32 O Median
|
|
value real32 M Availability =
|
|
100*(#unavailable cycles /
|
|
total
cycles)%.
|
|
|