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Monitoring Information Gathering

by Raman Kazhamiakin last modified Apr 26, 2012 22:37
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Definitions

Term:
Monitoring Information Gathering
Domain: Cross-cutting issues
Engineering and Design
(KM-ED)
Adaptation and Monitoring
(KM-AM)
Quality Definition, Negotiation and Assurance
(KM-QA)
Generic
(domain independent)
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Business Process Management
(KM-BPM)




Service Composition and Coordination
(KM-SC)




Service Infrastructure
(KM-SI)

The monitoring of Grid components can be performed using either push or pull models. The push model of execution is where the monitored component sends data to the monitor when an event occurs or after a defined time period. The pull model is when the monitor polls the information source for its data. Grid push model monitoring systems include Ganglia and MDS2. Grid pull model monitoring systems include NWS and Remos. [Zanikolas:2004]


Generic
(domain independent)

Information gathering characterizes an approach used to collect and if necessary to aggregate data from various information sources. One can distinguish between polling mode of information gathering, when, e.g., the sources are periodically queried, push mode, when the information gathering is event-driven, or more sophisticated simulation mode: a certain model of the monitored property continuously evolve on the basis of the information and events collected in either of the two previous modes. [CD-JRA-1.2.2]. 


 

References

  • [CD-JRA-1.2.2] Taxonomy of adaptation principles and mechanisms
  • [Zanikolas:2004] S. Zanikolas and R. Sakellariou. A Taxonomy of Grid Monitoring Systems. Future Generation Computer Systems, 21(2005):163–188, October 2004.
 
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