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Scaling for E-Business by Virgilio A. F. Almeida, Daniel A. Menascé

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8.7. Bottlenecks and Scalability Analysis

Performance bounding analysis [7] [11] [13] is a key technique to understanding scalability problems in electronic business. Because it is hard to estimate traffic, e-business sites must be designed with scalability in mind. In other words, a designer of an online business must know a priori what are the limits of the system. For instance, a designer must know the maximum number of transactions per second the system is capable of processing (i.e., an upper bound on the throughput) or the minimum response time that can be achieved by the business site (i.e., a lower bound on the response time). Performance bounding techniques allow us to calculate optimistic and pessimistic bounds. The former refers to ...

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