Multi-Model Fault-Tolerant Programming in Distributed Object-Based Systems
Author(s)
Chelliah, Muthusamy
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Abstract
Many transaction models, and computation replication schemes based on such
models have been proposed in the literature. All these techniques for software
fault tolerance, referred to herein as action models, provide data consistency
and/or forward progress for distributed applications. The action models
themselves can be implemented at the operating system(OS) level for efficiency
reasons.
However, this approach is restrictive for many application domains since the
underlying OS can implement only a fixed set of action models. Alternatively,
in our earlier work, we developed a set of OS mechanisms to support multiple
action models at a higher level. The mechanisms facilitate efficiency and
flexibility. Nevertheless, programming using these OS primitives could be
complex. To ease the programmer's task, in this paper, we develop higher level
abstractions that can be implemented using the underlying system mechanisms
as part of a library or a language run-time system. We informally argue the
flexibility of our approach for programming nested and colored actions and
Parallel Execution Threads (PETs). We quantify the costs of fault tolerance
through a prototype implementation of nested transactions and PETs on the
Clouds distributed OS platform.
Key Words: Objects, Transaction Models, Computation Replication Schemes,
Distributed Operating Systems, Programming Support.
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Date
1993
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256537 bytes
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Text
Resource Subtype
Technical Report