定義或公式:
Availability(%) = (1 - PackLossRate)*100
*註
1. PackLossRate(%) = ((errors/(errors+numcomplete))*100 ;where errors = numdisconn + numtimeout + numbusy + numnoconn + numdrop + numseqerr + numverifyerr
*numdisconn : Number of Disconnects
*numtimeout : Number of Timeouts
*numbusy : Number of Busies
*numnoconn : Number of No Connections
*numdrop : Number of RTT Dropped
*numseqerr : Number of Sequence Errors
*numverifyerr : Number of Verify Errors
*numcomplete : Number of RTTs completed
2. Sample Interval:每10秒送出1個packets(64byte/packet),用ping得出結果。