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Abstracts |
R. M Bryant, R. W. Carey, R. V. Claybourn, G. Pavel, W. J. Schaefer
The control network for the NIF is designed to meet the needs for CORBA inter-process communication, multicast video transport, device triggering, and general TCP/IP communication within the NIF facility. The network will interconnect approximately 750 systems, including the embedded controllers, front-end processors (FEPs), supervisory systems and centralized servers involved in operation of the NIF. All systems are networked with Ethernet to serve the majority of communication needs, and ATM is utilized to transport multicast video and synchronization triggers. CORBA software infrastructure provides location-independent communication services over TCP/IP between the application processes in the 325 supervisors and FEPs. Video images sampled from 500 video cameras at 10 Hz frame rate will be multicast using direct ATM Application Programming Interface (API) communication from video FEPs to any selected operator console. The Ethernet and ATM control networks are used to broadcast two types of device triggers for last-second functions in a large number of FEPs, thus eliminating the need for a separate infrastructure for these functions. Analysis, design, modeling, and testing of the NIF network has been performed to provide confidence that the network design will meet NIF control requirements.
{*} This work was performed under the auspices of the U.S. Department of Energy by University of California Lawrence Livermore National Laboratory under contract No. W-7405-Eng-48.
eCONF
C011127
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SUMMARY
ICALEPCS 2001
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