Distributed real-time applications have presented the need to extend the Object Management Group's OMG Common Object Request Broker Architecture CORBA standard to support real-time. The OMG has formed a real-time special interest group RT SIG to specify requirements for extending CORBA for realtime. One of these requirements involves providing global scheduling of all executions to support end-toend timing constraints in the real-time CORBA system. This paper describes the design and implementation of a real-time scheduling service for a Dynamic Real-Time CORBA system.