1 | 3-tier architecture including several Web technologies (Perl, SQL/Oracle, Java, VRML) |
2 | DIS log files parsed, converted (in Perl) to SQL and stored as PDU tables in Oracle database |
3 | Front-end given by Java applet with query editor and VRML based data histrogram viewer |
4 | Middleware given by a servlet under control of Java Web Server with JDBC access to Oracle |