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Since 1970's, business environment had changed fundamentally. The customer's demand is various and personal, the market competition is becoming more intense, the enterprise's competitive advantage depends on the market strain capacity of the enterprise. The collaborative design grid platform is based on the advanced networking and the middleware technology. It provides the long-distance design task...
The access control is the multitudinous computer security solution one kind, also is the most direct-viewing most natural one kind of plan, but based on role access control (RBAC) is the most influential high-level access control model, however, as a result of the grid cross organization, the tendency, isomerism characteristic, established the access control in the grid coordination design system...
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