NDLI: Cyber-Physical Systems Based Modeling of Dependability of Complex Network Systems

Content Provider	IEEE Xplore Digital Library
Author	Ravindran, K.
Copyright Year	2011
Abstract	We use the cyber-physical systems (CPS) framework to infuse intelligent adaptation behaviors in complex network systems to achieve dependability. The CPS framework is anchored on "intelligent physical worlds" (IPW) around which complex adaptation behaviors are built. An IPW is an embodiment of control software functions wrapped around the raw physical processes (e.g., servers, links, sensors, actuators), performing the core system activities while adapting its behavior to the changing environment conditions and user inputs. The IPW exhibits an intelligent behavior over a limited operating region of the system (in contrast with traditional models where the physical world is dumb). To perform over wide operating regions, the IPW interacts with an intelligent computational world (ICW) to patch itself with control parameters and procedures relevant in those changed conditions. The modular decomposition of an application into IPW and ICW lowers the design complexity of dependable network systems, and simplifies the system verification/testing.
Starting Page	423
Ending Page	428
File Size	240175
Page Count	6
File Format	PDF
ISBN	9781457709791
DOI	10.1109/ARES.2011.90
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-22
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis model-based engineering Fault tolerance replicated web service Accuracy System dependability probabilistic management CPS framework Quality of service Software Sensors Artificial intelligence
Content Type	Text
Resource Type	Article

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