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Building Accountability Middleware to Support Dependable SOA

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5 Author(s)
Kwei-Jay Lin ; Univ. of California, Irvine, CA ; Panahi, M. ; Yue Zhang ; Jing Zhang
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The Intelligent Accountability Middleware Architecture (Llama) project supports dependable service-oriented architecture (SOA) monitoring, runtime diagnosis, and reconfiguration. At its core, Llama implements an accountability service bus that users can install on existing service-deployment infrastructures. It collects and monitors service execution data from a key subset of services; enables Llama users to incorporate others' advanced diagnosis models and algorithms into the framework; and provides enterprise service bus extensions for collecting service profiling data, thus making process problems transparent to diagnose. Finally, experimental results indicate that using Llama contributes a modest amount of system overhead.

Published in:

Internet Computing, IEEE  (Volume:13 ,  Issue: 2 )

Date of Publication:

March-April 2009

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