March 2003
Intermediate to advanced
912 pages
27h 17m
English
Content preview from Operating Systems: Concurrent and Distributed Software Design
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22.2. Distributed transaction processing
Figure 22.2 shows two instances of the transaction processing system described in Section 20.3 such as would occur at two nodes in a distributed TPS. The following points and assumptions are relevant to an implementation of a distributed TPS, extending the assumptions about objects stated above:
A client submits a transaction at one node only, which we shall call the coordinating node.
A given object resides at one and only one node; that is, we assume there is no object replication. An object invocation takes place at this home node.
There are mechanisms for locating an object, given its unique identifier.
Figure 22.2. A distributed transaction processing system.
The TPS instances comprising the distributed ...
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