Michael Kircher and Prashant Jain have been active in the patterns community for several years and collaborated closely with the authors of the previous POSA volumes. In their respective companies, Siemens and IBM, both Michael and Prashant are involved in research and consulting in emerging technologies and software architecture.
Pattern-Oriented Software Architecture, Patterns for Resource Managementby Michael Kircher, Prashant Jain
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The first volume of the POSA pattern series introduced a broad-spectrum of general-purpose patterns in software design and architecture. The second narrowed the focus to fundamental patterns for building sophisticated concurrent and networked software systems and applications. This volume uses design patterns to present techniques for implementing effective resource management in a system.
The patterns are covered in detail making use of several examples providing directions to the readers on how to implement the presented patterns. Additionally, the volume presents a thorough introduction into resource management and a case study where the patterns are applied to the domain of mobile radio networks. The patterns are grouped by different areas of resource management and hence address the complete lifecycle of resources: resource acquisition, coordination and release.
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Kircher and Jain provide an advanced text on describing patterns, found when you have to code for the management of resources. Where you might have one computer or many scattered across a network that you do not control. (Think Internet.) But text explanations they offer are lucid. And the readership is expected to be highly experienced. So it's very reasonable that you can take high level descriptions of translate these into design documents and ultimately, a functioning system. Of all their patterns, the first one, Lookup, is perhaps the easiest to understand and leads logically into the other more specialised patterns. Also, for Lookup, there is a rather comprehensive list of use cases. Very instructive, in showing that this very first pattern has such wide scope. As in LDAP, CORBA, UDDI, JNDI, Jini and p2p implementations like JXTA. All these have some variant of Lookup as a core and non-trivial central feature. Yet this may be the simplest pattern of the book! A good treatment, to motivate you to continue further and appreciate the other patterns.