Rich MoeserEVLA System PDR December 4-5, 2001 1 EVLA System PDR Operations Requirements

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<ul><li><p>EVLA System PDROperations Requirements</p></li><li><p>Operations RequirementsOperations Requirements Document (Initial Draft)http://www.aoc.nrao.edu/evla/techdocs/computer/workdocs/index.shtml Currently in the review processPurpose of the documentIdentify the top-level requirementsNear-term planAnalyze and incorporate comments, refine and broaden scope of documentDevelop an initial design concept</p></li><li><p>Clients</p></li><li><p>Requirements OverviewTarget PlatformsCommodity PCs/Linux/WindowsSun/SolarisMacintosh/Mac OS (low priority)SecurityMust be built into the system from the startUsers must have and provide a unique IDEach user will have a set of access propertiesCommand and system access blocking</p></li><li><p>Requirements Overview (cont.)Remote ObservingIn the future operators may be stationed at the AOCEither web-based or a downloadable/installable clientShould use a single code baseScheduling Types: Fixed, Dynamic, Goal-oriented, scan-levelM&amp;C and e2e</p></li><li><p>Requirements Overview (cont.)Operator LogSubmit log entriesQuery the logsGenerate reports from the log (e.g., Project log)Link a log entry to a maintenance entryUser customization</p></li><li><p>Requirements Overview (cont.)M&amp;C DisplaysA number of displays will be requiredEasily created and integrated into the systemQuick look display with plotting abilityWarning and Error MessagesShould be limited to relevant messages onlyAttributes: severity, origin, cause, action, trigger, etc.The attributes should be easily modified and not hard-coded</p></li><li><p>Whats Next?Items requiring near-term resolutionLevel of remote control of the arrayDelineation of responsibilities between M&amp;C and e2e to prevent duplication of effortNear-term design &amp; implementation issuesTestbed using VLA monitor data stream delivered via the CMPInvestigate and Select a protocol for monitor &amp; command data flows between operator stations and the real-time core </p></li><li><p>More Features?Other features to considerDisplay builderUsers could create and import their own displaysSimulatorAide in software testing and operator training</p></li><li><p>Questions?</p></li></ul>