Distributed Recovery for Enterprise Services
2015
Small-to medium-scale enterprise systems are typically complex and highly specialized, but lack the management resources that can be devoted to large-scale (e.g., Cloud) systems, making them extremely challenging to manage. Here we present an adaptive algorithm for addressing a common management problem in enterprise service networks: safely and rapidly recovering from the failure of one or more services. Due to poorly documented and shifting dependencies, a typical industry practice for this situation is to bring the entire system down, then to restart services one at a time in a predefined order. We improve on this practice with the Dependency-Directed Recovery (DDR) algorithm, which senses dependencies by observing network interactions and recovers near-optimally from failures following a distributed graph algorithm. Our Java-based implementation of this system is suitable for deployment with a wide variety of networked enterprise services, and we validate its correct operation and advantage over fixed-order restart with emulation experiments on networks of up to 20 services.
Keywords:
- Real-time computing
- Enterprise application integration
- Enterprise architecture
- Computer science
- Architecture domain
- Enterprise appliance transaction module
- Distributed computing
- Enterprise system
- Enterprise information system
- Enterprise software
- Enterprise architecture management
- Computer network
- Distributed algorithm
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