A coordination-based access control model for space-based computing

ABSTRACT

Shared tuple spaces serve as coordination medium for independent processes to exchange data and messages in a flexible way. If communication takes place over the Internet, security becomes an important issue. It must be forbidden that unauthorized processes get access to protected data. In this paper, we present an authorization model for a space-based middleware that uses its own coordination mechanisms for defining fine-grained access control policies. By integrating coordination and security mechanisms into one single concept, the model allows for flexible and secure distributed collaboration.

References

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Index Terms

• Computer systems organization

  • Architectures

    • Distributed architectures

• Security and privacy

• Social and professional topics

  • Computing / technology policy

    • Computer crime

• Software and its engineering

  • Software organization and properties

    • Software system structures

      • Distributed systems organizing principles