Implementing Special Queuing Policies (1)

• Jockey queues:
  • ordinary queues → release queues
  • additional controller component
    • compares lengths of the queues
    • selects jockeying entity
    • creates control entity ("queuePosition_", -1)
• Reneging queues:
  • entities have id attribute
  • implementation of reneging queue
    • 
  • EpsDelay prevents concurrent input messages at in and rel