The maturation of Real-time CORBA and minimum CORBA specifications provide a basis for its application in open architecture controller. In this paper, a communication platform based on RTLinux and Real-time CORBA is presented by putting Real-time CORBA into the design of open architecture controller. It is necessary to put CORBA into RTLinux real-time kernel space in the construction of the communication platform based on RTLinux and Real-time CORBA. In this paper, RTCK is presented first, which is an implementation of Real-time CORBA and minimum CORBA specifications in RTLinux real-time kernel space. Then, the GIOP protocol based on RTLinux MBuff driver and FIFO is implemented. It is proved in the experiment that the communication platform can satisfy the open architecture controller's requirements of open and real-time.
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