The origin of queueing theory and its application traces back to Erlang’s historical work for telephony networks as recently celebrated by the Erlang Centennial, 100 Years of Queueing, Copenhagen, recalling his first paper in 1909. Ever since, the simplicity and fundamental flavour of Erlang’s famous expressions, such as his...

Cisco^® Nexus switches and the new NX-OS operating system are rapidly becoming the new de facto standards for data center distribution/aggregation layer networking. NX-OS builds on Cisco IOS to provide advanced features that will be increasingly crucial to efficient data center operations. NX-OS and Cisco...

We wrote this book for business school students who want an in-depth look at how today's business firms use information technologies and systems to achieve corporate objectives. Information systems are one of the major tools available to business managers for achieving operational excellence, developing new products and services,...

Organizations of all sizes today find themselves increasingly awash in data, yet hungering for information to help them meet their business objectives. These corporations, from Main Street and Wall Street alike, have spent large amounts of time and money over the past 10 or so years implementing systems to help collect data on and...

This monograph presents a comparison of methods for organizing very large amounts of stored data called a very large database to facilitate fast retrieval of desired information on direct access storage devices. In a very large data base involving retrieval and updating, the major factor of immediate concern is the average number of accesses...

This 2007 version has now...

Investing in a business application—be it managing one's customers, tracking inventory, coordinating global resources, or just being able to get real-time visibility to cash flow—has never been so important. Gone are the days when companies invested in business applications, such as CRM and ERP, to simply streamline their...

This book guides you through the whole network monitoring implementation process. It covers all NNMi features and gives you hints to adapt this management software to your specific needs. It also describes how to use built-in features and adapt them in the most efficient way. It stitches the gap between technical personnel and management,...

A FEW YEARS AGO some students and I were looking at a map that pinpointed the locations of about loo cities. We asked ourselves, "Which of these cities are neighbors of each other?" We knew intuitively that some pairs of cities were neighbors and others were not; we wanted to find a formal mathematical characterization that...

This book suits both graduate students and researchers with a focus on discovering knowledge from scientific data. The use of computational power for data analysis and knowledge discovery in scientific disciplines has found its roots with the revolution of high-performance computing systems. Computational science in physics,...

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This is a book for business analysts about modeling. A model is a simplified representation of a situation or problem, and modeling is the process of building, refining, and analyzing that representation for greater insight and improved decision making. Some models are so common that they are thought of as routine instruments rather...