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In this paper, we discuss the use of Ada® on distributed systems in which failure of processors has to be tolerated. We assume that tasks are the primary object of distribution, and that communication between tasks on separate processors will take place using the facilities of the Ada language. It would be possible to build a separate set of facilities for communication between processors, and to treat the software on each machine as a separate program. This is unnecessary and undesirable. In addition, the Ada language Reference Manual states specifically that a system consisting of communicating processors with private memories is suitable for executing an Ada program.