... The requirements for processing Chandra telemetry are very involved and complex. ... Standard Data Processing is accomplished by dozens of ``pipelines'' designed to process specific instrument data and/or generate a particular data product. ... The Automatic Processing system (AP) polls its input directories for raw telemetry and ephemeris data, pre-processes the telemetry, kicks off the processing pipelines at the appropriate times, provides the required input, and archives the output data products...