CHAIMS ARCHITECTURE D i s t r i b u t i o n L a y e r ( CORBA, DCE, DCOM, RMI …) Megaprogram C H A I M S - C o m p i l e r M e g a m o d u l e S e r v.

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CHAIMS ARCHITECTURE D i s t r i b u t i o n L a y e r ( CORBA, DCE, DCOM, RMI …) Megaprogram C H A I M S - C o m p i l e r M e g a m o d u l e S e r v e r W r a p p e r

CHAIMS LANGUAGE Designed for composition. Simple control operations. Untyped. Has following six primitives: SETUP ESTIMATE TERMINATE INVOKE EXTRACT EXAMINE

CHAIMS-NEW IDEAS Language designed for software composition and reuse. Simple language decomposes the traditional call statement. Communication between distributed heterogeneous sources. Generation of invocation codes for multiple interoperation protocols. Asynchronous task execution and runtime performance analysis.

CHAIMS-PROGRESS UPDATE Initial language and architecture defined. Online conceptual demo available. Paper presented at the fifth SAST97. (IEEE Computer Society, 1997, pages 44-51) Two application models ready for testing. CHAIMS megaprogramming language BNF, lexical analyzer and parser ready.

CHAIMS-NEXT STEPS ( Remainder of FY 1997 ) Completing the initial CHAIMS compiler. Service megamodule being developed to provide easy input and output. Development of CHAIMS runtime for CORBA.

CHAIMS-LONG TERM PLANS Runtime for DCE and Active-X. Execute under multiple protocols and platforms. Optimization of invocation. Optimization of distributed data flow.

CHAIMS Principal Investigator: Professor Gio Wiederhold, Catherine Tornabene, Kirti Kwatra, Prasanna Ramaswami, Pankaj Jain, Mehul Bastawala, Ron Burback, Current Project MembersContact Information Web Page: Group Mailing List:

CHAIMS Compiling High-level Access Interfaces for Multi-Site Software Stanford University, Database Group Principal Investigator: Gio Current Members:Kirti Kwatra Catherine Ron Burback Pankaj Mehul Bastawala