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Monitoring Usage

by Raman Kazhamiakin — last modified Apr 27, 2012 10:56
— filed under:

Definitions

Term:
Monitoring Usage		 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)
Monitoring usage defines the purpose of the monitored information. In general sense, monitoring is used to reveal critical changes in the application or its environment, which require its adaptation [CD-JRA-1.2.2]. This generic purpose may have different forms depending on a particular application, domain or requirements. In particular, the following purposes of the SBA monitoring may be identified:
  • Run-time Correctness Analysis, to check whether the execution of SBA is correct with respect certain expected specification. This may further include Fault Monitoring, which is used to identify different application failures, and SLA Compliance necessary to check whether the parameters of run-time execution correspond to the service-level agreement.
  • Diagnosis, where monitoring is used to reveal and even predict various faults in the application behavior.
  • Optimization problem, where monitoring is used to identify a possibility for a system to work more efficiently. For this purpose, different characteristics of the SBA  performance are continuously monitored.
  • Context-awareness, where the monitored information reflects the changes in the application environment and provides necessary drivers in order to accommodate to those changes.
  • Evolution, where the monitoring aims to observe the histories of application execution and changes in order to devise better SBA models, better adaptation mechanisms and strategies.

 

References

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