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For the “information island” in the information processing, in this paper, we present “Cloud Education”, a information architecture based on cloud computing in Open Education. “Cloud Education” uses four sublayers, physical hardware layer, virtualization layer, middleware layer of education and the application interface layer to allow service instances to be placed anywhere in the sublayers. We described the communication process of the sublayers with a formal language CSP (Communicating Sequential Processes), and discussed the key technologies in this model. At last, we evaluate the merits of the model through simulation experiment, and proved the model is flexibility and expansibility. As a result, we can deploy the “Cloud Education” to the Open Education.