1. A Tailorable Distributed Programming Environment E. Martel, F.Guerra, J. Miranda University of Las Palmas de G. C. CANARY ISLANDS (SPAIN)

2. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 2 Contents Configuration Programming Environment for Programming Distributed Applications (EPDA) EPDA Features Modelling Tool Conclusions and current work

3. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 3 Configuration Programming Programming + Configuration Hand-made Configuration language Graphical utility Distributed Application Environment for Programming Distributed Applications (EPDA)

4. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 4 EPDA Features Component-based model Common tasks in DAE (Distributed Application Engineering) Software and hardware configuration Fault Tolerance Proxies

5. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 5 Component-based Model Components, properties and relations Hierarchic structure Single components (leaves) Composite components (non-leaves) Examples Remote Procedure Call (RPC): GLADE Group Communication Service (GCS): Drago

6. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 6 Component-based Model (GLADE) Channel name filter... Partition name binary location... * Application name starter boot server location... + 2 Ada Unit +

7. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 7 Application name Group name type Agent name binary location execution location... * + + Component-based Model (Drago)

8. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 8 Common Tasks in DAE Construction Configuration Execution Monitoring Evolution

9. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 9 Software and Hardware Configuration my_pc node1 node2 node3 node4 comp1 node1 comp2 node2 comp3 node3 comp4 node4 application1

10. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 10 my_pcyour_pchis_pc node1 node2 comp1 node1 comp2 node2 comp3 node3 comp4 node4 application1 node3 node4 Software and Hardware Configuration

11. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 11 Fault Tolerance (data) GUI EPDA client EPDA server database EPDA

12. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 12 Fault Tolerance (availability) GUI EPDA client EPDA replicas EPDA server

13. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 13 Proxies GUI EPDA client EPDA replicas EPDA server EPDA proxies EPDA P1 my_pc P2 your_pc P3 her_pc P4 his_pc

14. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 14 EPDA-Modeller Tool EPDA-core client EPDA-core replica EPDA-core proxy EPDA-core server EPDA-core EPDA-Modeller Proxy GLADE EPDA server GUI GLADE EPDA client GLADE EPDA Specific features for GLADE run_appli (dat_appli) properties * + Appli. Channel Partition Ada Unit 2 +

15. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 15 GLADE EPDA GUI (applications)

16. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 16 GLADE EPDA GUI (nodes)

17. University of Las Palmas de Gran Canaria A Tailorable Distributed Programming Environment 17 Conclusions and Current work Conclusions Tailorable robust EPDA Methodology to customise an EPDA Common elements (EPDA-Core) Specific elements Tool for modelling (EPDA-Modeller) Current work: Specific feature collection for EPDAs