Optimal Decomposition of Service Level Objectives into Policy Assertions

Algorithm 1

A generic format for service policy assertion.

<!- - A generic format for policy assertion - ->

<Policy Id="xs:string" xmlns:wsp="http://www.w3.org/ns/ws-policy">

 <[QoS]Token weight="xs:float" usage="optional | mandatory">

  <TokenType>xs:string[responseTime | throughput |...]</TokenType>

  <TokenValue>xs:float</TokenValue>

 </[QoS]Token>

</Policy>

<!- - A performance policy example - ->

<Policy Id="PerformancePolicy">

 <PerformanceToken weight="0.3" usage="mandatory">

  <TokenType>AverageResponseTime</TokenType>

  <TokenValue>5</TokenValue>

 </PerformanceToken>

</Policy>