
Chapter 3
A Concept of Dynamic Quality
Management for Service–Based
Wor kflows in Distr ibuted
Environment s
3.1 A Generalized Quality Model of a Service . . . . . . . . . . . . . . . . . . . . . . . 55
3.2 Uniform Description of Modern Distributed Systems . . . . . . . . . . . 57
3.3 Mapping of Various Service Types and Legacy Software to the
Generalized Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
3.4 A Solution for Dynamic QoS-Aware Optimization of
Service-Based Workflow Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3.4.1 Proposed Architecture . . . . . . . . . . . . .