Content oriented virtual domains for secure information sharing across organizations

Secure information sharing across different organizations is an emerging issue for collaborative software development, product design, etc. Virtual domains have been proposed for this issue so far. A virtual domain is a collaborative workspace comprising virtual computer resources dedicated to a particular collaborative activity, and it is subject to information sharing policies that restrict the scope of information sharing within the domain. This paper proposes a method of constructing Content Oriented Virtual Domains, which leverages existing common services such as e-mail, Web, and file servers, therefore enabling us to construct a secure collaborative workspace at lower cost than existing methods that require such services to be reconstructed in the same domain. This paper also shows an experimental implementation of the method and its performance evaluation results.