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Quality Prediction
An S-Cube Working Group
 

Monitored Property

by Raman Kazhamiakin — last modified Sep 07, 2011 13:49
— filed under:

Definitions

Term:
Monitored Property		 Domain: Cross-cutting issues
Engineering and Design
(KM-ED)		 Adaptation and Monitoring
(KM-AM)		 Quality Definition, Negotiation and Assurance
(KM-QA)		 Generic
(domain independent)
D
o
m
a
i
n
:
L
a
y
e
r
s
 Business Process Management
(KM-BPM)



Service Composition and Coordination
(KM-SC)



Service Infrastructure
(KM-SI)



Generic
(domain independent)
Monitored Property provides a way to represent these aspects of the monitored system. We further classify monitored properties according to the type of the properties and to their specification [CD-JRA-1.2.2]. Property types define various characteristics of monitored properties. We distinguish:
  • basic (refer to the elementary primitives and events) or derived (recursively defined on top of other properties) properties;
  • functional (characterize the function or behavior that a given system is expected to provide. Typical examples of the functional properties are failures, assertions or behavioral properties, invariants) or non-functional (define quality characteristics that often can be measured in a quantitative way. Typical non-functional properties refer to availability, latency, reliability) properties;
  • internal (refer to the characteristics internal to the application) or external (describe the environment of the application or its context, whatever notion of the context is exploited) properties;
  • instant (refer to the observations performed in a particular moment of time) or aggregated (characterize the whole execution, sets of executions or event evolution of the system collecting and aggregating historical data) properties.

 

Competencies

 

Scenarios

TBD

 

References

  • [CD-JRA-1.2.2] Taxonomy of adaptation principles and mechanisms.
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