A typical strategy for SLA compliance
Wednesday, February 17, 2010
4:34 PM
Four watermarks
tminimum: theoretical minimum server time, leads to Pminimum: minimum response time. 
tsufficient: sufficient server response time, leads to 
Psufficient: sufficient overall response time. 
tsafe: worst acceptable server response time, leads to 
Psafe: worst acceptable overall response time. 
tSLA: SLA violation boundary, leads to 
PSLA: worst penalty-free overall response time. 