| 摘要 |
PROBLEM TO BE SOLVED: To efficiently realize usage limitation by functional units under a condition that strong security check, for example, the limitation on rewriting of information from the outside is not necessary without changing any existing system constitution. SOLUTION: A request level bridge 3 for connecting plural distributed object systems 1 and 2 is provided with usage limiting means (a substitute client 4 and a substitute object 5) by functional units. Then, the interfaces of the substitute object 5 to be placed at a using side (distributed object system 2) are not constituted of all the interfaces owned by an original object 7 but are limited only to those whose usage is permitted.
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