| 摘要 |
A management table is provided in each processor so as to manage the quality of data which is transferred via a common transmission medium which is connected to the processors, and when each processor sends data, it refers to the management table and sends the data to the common transmission medium by adding the attribute information indicating the quality of the data to it, and when each processor receives data, it refers to the management table and decides whether or not to let the program module receive the data on the basis of the attribute information added to the data, so that the flow of information in a distributed system can be managed autonomously for each attribute thereof, and information of an attribute is prevented from flowing into a specific group, and a plurality of attribute informations are integrated to one, and the protection of attributes among different kinds of applications and the connection processing are available.
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