July 2001
Intermediate to advanced
656 pages
15h 51m
English
book
Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
by Craig Larman
Content preview from Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
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33.1. Failover to Local Services; Performance with Local Caching
One of the NextGen requirements is some degree of recovery from remote service failure, such as a (temporarily) unavailable product database.
Access to product information is the first case used to explore the recovery and failover design strategy. Afterwards, access to the accounting service is explored, which has a slightly different solution.
To review part of the technical memo:
Technical MemoIssue: Reliability—Recovery from Remote Service FailureSolution Summary: Location transparency using service lookup, failover from remote to local, and local service partial replication. Factors
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