Configuring OCI Clients to use Transaction Guard

OCI supports FAN messages and Transaction Guard. FAN is designed to quickly notify an OCI-based application of outages at the node, database, instance, service, and public network levels. Once notified of the failure, an application can leverage Transaction Guard to reliably determine the outcome of the last in-flight transaction.

Transaction Guard avoids the costs of ambiguous errors that lead to user frustration, customer support calls, and lost opportunities. Transaction Guard is safer and performs better, with lower overheads, than home grown solutions for a known outcome.

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