介紹了一個(gè)實(shí)時(shí)CORBA的原型rtORB，給出了一個(gè)對(duì)其進(jìn)行實(shí)時(shí)性能測(cè)試的平臺(tái)。以延遲和延遲抖動(dòng)為指標(biāo)，通過(guò)與其他實(shí)時(shí)CORBA的性能比較，表明rtORB可以支持實(shí)時(shí)應(yīng)用。為評(píng)估操作系統(tǒng)和通信對(duì)實(shí)時(shí)CORBA的影響，在不同操作系統(tǒng)上進(jìn)行了測(cè)試。針對(duì)rtORB在不同操作系統(tǒng)上的測(cè)試結(jié)果，討論了操作系統(tǒng)和通信對(duì)基于實(shí)時(shí)CORBA實(shí)時(shí)應(yīng)用的影響。
關(guān) 鍵 詞 實(shí)時(shí)CORBA; 測(cè)試平臺(tái); 操作系統(tǒng); 實(shí)時(shí)通信; 延遲; 抖動(dòng)

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