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- R. S. Larsen
SLAC, Menlo Park, California
- F. Lenkszus, C. W. Saunders, J. Carwardine
ANL, Argonne, Illinois
- P. M. McBride, M. Votava
Fermilab, Batavia, Illinois
- S. Michizono
KEK, Ibaraki
- S. Simrock
DESY, Hamburg
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Since the last ICALEPCS, a small multi-region team has developed a reference design model for the ILC Control System as part of the ILC Global Design Effort. The scale and performance parameters of the ILC accelerator require new thinking in regards to control system design. Technical challenges include the large number of accelerator systems to be controlled, the large scale of the accelerator facility, the high degree of automation needed during accelerator operations, and control system equipment requiring “Five Nines” availability. The R&D path for high availability touches the control system hardware, software, and overall architecture, and extends beyond traditional interfaces into the accelerator technical systems. Software considerations for HA include fault detection through exhaustive out-of-band monitoring and automatic state migration to redundant systems, while the telecom industry’s emerging ATCA standard–conceived, specified, and designed for High Availability–is being evaluated for suitability for ILC front-end electronics. Parallels will be drawn with control system challenges facing the ITER CODAC team.
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