A Method of Billing Third Generation Computer Users
National Aeronautics and Space Administration, 1973 - Computers - 16 pages
A method is presented for charging users for the processing of their applications on third generation digital computer systems is presented. For background purposes, problems and goals in billing on third generation systems are discussed. Detailed formulas are derived based on expected utilization and computer component cost. These formulas are then applied to a specific computer system (UNIVAC 1108). The method, although possessing some weaknesses, is presented as a definite improvement over use of second generation billing methods.
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3X2 system accounting data accounting reports adjustment applied apportioned billing algorithm billing charge billing on third capacity CCWI central processing unit charge the user Compute cost Computer resource unit computer system COMPUTER USERS core space core utilization cost apportionment cost per month CPU-core space-time unit CPUT CRU billing CRU defined component CRU formulas CRU Let CRU's per hour deviation expected CPU-core CRU's expected CRU's expected utilization FASTRAND STU hardware components INPUT/OUTPUT IO-core STU magnetic tape Mass Storage CRU mass storage positions mass storage space method of billing minutes of clock minutes of CPU MSFC PERFORMING ORGANIZATION recovering the cost space for program storage space-time unit storage STU STU's system cost Tape CRU tape unit third generation computer total core total cost total mass storage unit of computation Unit Record CRU usage utilization percentages words of core X 1 minute X N minutes