Start Level 1 Node: Data Processing in Mass RunsData Processing in Mass RunsEnd Level 1 Node: Data Processing in Mass Runs
   Start Level 2 Node: Parallelization of Data ProcessingParallelization of Data ProcessingEnd Level 2 Node: Parallelization of Data Processing
   Start Level 2 Node: Create Counters for Mass RunsCreate Counters for Mass RunsEnd Level 2 Node: Create Counters for Mass Runs
   Start Level 2 Node: Assignment of Reconciliation Keys in Mass RunsAssignment of Reconciliation Keys in Mass RunsEnd Level 2 Node: Assignment of Reconciliation Keys in Mass Runs
   Start Level 2 Node: Functions for Scheduling Program RunsFunctions for Scheduling Program RunsEnd Level 2 Node: Functions for Scheduling Program Runs
   Start Level 2 Node: Categorizing MessagesCategorizing MessagesEnd Level 2 Node: Categorizing Messages
   Start Level 2 Node: Additional CharacteristicsAdditional CharacteristicsEnd Level 2 Node: Additional Characteristics
   Start Level 2 Node: Handling Parameter RecordsHandling Parameter RecordsEnd Level 2 Node: Handling Parameter Records