A high-availability, distributed hardware control system using Java
Identifieur interne : 000169 ( PascalFrancis/Checkpoint ); précédent : 000168; suivant : 000170A high-availability, distributed hardware control system using Java
Auteurs : Albert F. Niessner [États-Unis]Source :
- Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2010.
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Abstract
Two independent coronagraph experiments that require 24/7 availability with different optical layouts and different motion control requirements are commanded and controlled with the same Java software system executing on many geographically scattered computer systems interconnected via TCP/IP. High availability of a distributed system requires that the computers have a robust communication messaging system making the mix of TCP/IP (a robust transport), and XML (a robust message) a natural choice. XML also adds the configuration flexibility. Java then adds object-oriented paradigms, exception handling, heavily tested libraries, and many third party tools for implementation robustness. The result is a software system that provides users 24/7 access to two diverse experiments with XML files defining the differences. ©2010 California Institute of Technology. Government sponsorship acknowledged.
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