介紹了一個實時CORBA的原型rtORB，給出了一個對其進行實時性能測試的平臺。以延遲和延遲抖動為指標，通過與其他實時CORBA的性能比較，表明rtORB可以支持實時應用。為評估操作系統和通信對實時CORBA的影響，在不同操作系統上進行了測試。針對rtORB在不同操作系統上的測試結果，討論了操作系統和通信對基于實時CORBA實時應用的影響。
關 鍵 詞 實時CORBA; 測試平臺; 操作系統; 實時通信; 延遲; 抖動

Abstract Real-time CORBA specification extends the scope of CORBA application to real-time field. A real-time CORBA prototype called rtORB is introduced. Then a test platform is proposed to evaluate real-time performance of rtORB. The delay and delay jitter are selected as test parameters to compare rtORB with other real-time CORBA product. The test results show that rtORB can support real-time application. A series of experiments on various operating systems are conducted to evaluate the influence that operating system and communication system impact on real-time CORBA. The test results are discussed in details and some suggestions directing how to build real-time application based on real-time CORBA are given.
Key words real-time CORBA; test platform; operating system; real-time communicaton; delay; jitter