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In software architectures commonly adopted by large corporations, the use of the “two-phase commit” protocol for distributed transactions presents inconveniences such as code complexity, long response times for the final user and need of an environment that allows complete simultaneity. We present here an alternative strategy, based on asynchronous replication, successfully implemented since 1997 at the University of São Paulo as infrastructure of integration for its corporate systems, which propitiates distributed transactions in the context of databases deployed at several host servers.

MINIMIZING THE COMPLEXITY OF DISTRIBUTED TRANSACTIONS IN CORPORATE ARCHITECTURES WITH THE USE OF ASYNCHRONOUS REPLICATION