They have 5 MC farms including SLAC Hope to start MC run in mid-November. There is a heavy reliance on Gnu software. Richard gave out handouts. The farms are based on cheap single or dual processor workstation clusters with 100Mbps switched interfaces between them and also to the data servers. Data will be managed by HPSS, There are not enough people to keep up with user demand, plus developing new services, the demand for applications but little manpower.
Diversity is a problem.
They will build on the very successful switched Ethernet design which is scalable, manageable and highly available. They will double bandwidth every 12-18 months, structured wiring will be completed for outside the radiation fence by the end of FY99. BaBar will need a high speed networking for an SCS-IR2 links and farms. There are 22 central NT servers. Mac are dropping off from 800 to 700 in the last year.