January 2004
Intermediate to advanced
480 pages
9h 41m
English
book
Performance by Design: Computer Capacity Planning by Example
by Virgilio A.F. Almeida, Lawrence W. Dowdy, Daniel A. Menascé
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Chapter 14. Queuing Models with Load Dependent Devices
Introduction
Load-dependent devices (LD) are used to model service centers where the service rate varies with the number of customers present in its queue. Examples of servers with variable service times, depending on the current load, abound in modern computer-based systems. For example, multimedia traffic uses variable grades of service to control congestion. In congestion control mechanisms for continuous bit rate (CBR) traffic in broadband networks, bit dropping methods are used to discard certain portion of the traffic, such as the least significant bits, in order to reduce the transmission time (i.e., the service time) [11]. Thus, when a system has a large number of requests queued, new ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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