Communications among distributed Ada programs

Author

Cross, Joseph K. ; Kamrad, Michael J. ; Fernandez, Steven J.

fYear

1991

fDate

20-24 May 1991

Firstpage

627

Abstract

The authors describe a capability for Ada programs to send messages to other Ada programs in a distributed, heterogeneous processing environment. This capability is intended primarily to support real-time applications. Copying of data and the use of protocol layers are kept to a minimum. The system supports dynamic reconfiguration and sophisticated fault management schemes. The network topology consists of a collection of nodes connected by arbitrary communication links. More than one link can emanate from a node, and the links can represent completely dissimilar communications capabilities. Any two nodes in the system can be connected, either directly or indirectly, by more than one link. The communication model is that of a persistent connection maintained between programs. Programs send and receive messages through ports. Distributed communication is modelled after the file I/O in the Ada language

Keywords

Ada; distributed processing; electronic data interchange; multiprogramming; real-time systems; communication model; distributed Ada programs; dynamic reconfiguration; fault management; heterogeneous processing environment; network topology; persistent connection; real-time applications; Broadcasting; Communication standards; Distributed processing; Hardware; Mirrors; Packaging; Protocols; Real time systems; Routing; Runtime;

fLanguage

English

Publisher

ieee

Conference_Titel

Aerospace and Electronics Conference, 1991. NAECON 1991., Proceedings of the IEEE 1991 National

Conference_Location

Dayton, OH

Print_ISBN

0-7803-0085-8

Type

conf

DOI

10.1109/NAECON.1991.165816

Filename

165816