A.6. Target Technology Viewpoint
The TRRS technology viewpoint includes three phases of prototype planning (Figure A.4). These phased prototypes are selected to support incremental system evolution and scalability. The evolution from phase to phase is enabled by the choice of technologies and the provision of multitier interoperability boundaries in the implementation.
Phase 1 is a rapid prototype configured as a standalone Java application with a flat-file database. Phase 2 supports multiple clients on an intranet using RMI or IIOP technologies for distributed infrastructure [Malveau 97]. Phase 3 supports database scalability by replacing the flat file with a JDBC interface to a back-end database.
The technical architectures for Phase 4 and ...
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