Download Designing Enterprise Solutions with Sun Cluster 3.0 by Richard Elling PDF
By Richard Elling
I purchased this consultant to reinforce my suncluster3x wisdom. it is a strong ebook, yet with extra "designs" and functional battle-camp examples it may be a very good selection.
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Extra info for Designing Enterprise Solutions with Sun Cluster 3.0
Sample text
Two types of application servers are commonly found in an enterprise. The first type is application servers that are built into packages like SAP and Oracle applications; the second type is the more general-purpose application servers, such as the iPlanet Application Server. Packaged Business Solutions Business application suites, such as those sold by SAP AG or ORACLE, employ a multitiered architecture to separate business logic and data storage from the user presentation layer. As you scale up deployments, the business logic components are often replicated across multiple servers to increase throughput and resilience.
Also, many busy nodes can result in low bandwidth utilization. The faster versions of Ethernet, 1000BASE-SX and 1000BASE-T (also known as Gigabit Ethernet), are only available as full duplex, switched technologies, thereby eliminating the CSMA/CD arbitration issues on the common medium. For larger networks, the arbitration role is moved into the network switch. Direct, node-to-node connections are full duplex, requiring no arbitration. Voting and Quorum Voting is perhaps the most universally accepted method of arbitration.
These daemon processes coordinate the scheduling, dispatch, and execution of batch jobs, monitor job and machine status, report on the systems, and manage communications among components. The Sun Grid Engine software is ported to a variety of operating environments, including the Solaris operating environment and Linux. The source code is available under the Sun Industry Standards Source License. com/software/gridware. Top Technologies for Building Distributed Applications Many technologies exist for building cluster environments or creating distributed applications.