Object Persistency Schedule

Tasks                                                 Start       Finish

I.  General.

    A.  Data model.                                                7/97

    B.  Class dictionary.                                          7/97

    C.  Preprocessor.                                              7/97

    D.  General I/O interface.                                     7/97

II.  I/O Mechanisms.

    A.  DSPACK.

        1.  Sequential access to monolithic events
            using standard DSPACK I/O.                             7/97

        2.  Alternative DSPACK file formats.

            a) Random access.                         10/97        1/98

            b) Compression.                           10/97        1/98

            c) Federated events.                       1/98        5/98

    B.  Random access/databases.

        1.  Lightweight/distributable database.

            a.  Analysis/choice of product(s)
                (DSPACK, mSQL, ASCII, etc.).           7/97       10/97

            b.  Design.                                8/97       11/97

            c.  Implement.                            10/97        1/98

        2.  Commercial OO or relational database 
            direct connect.

            a.  Analysis/choice of product
                (Oracle, Objectivity, other OODB).     7/97        1/98

            b.  Design.                                1/98        2/98

            c.  Implement.                             2/98        5/98

        3.  Object server.

            a.  Analysis/choice of product
                (CORBA, local (CD) product, etc.).     7/97        5/98

            b.  Design.                                5/98        8/98

            c.  Implement.                             8/98        11/98