The term Six Sigma Methodology refers to a highly structured quality management program that relies on a disciplined data-driven approach for improving business processes. Once known as a methodology for eliminating product defects, Six Sigma has evolved into a robust management discipline that is widely used to improve not just manufacturing processes but also transaction- and service-oriented processes as well.

To achieve a Six Sigma level, a business process cannot have more than 3.4 de...

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Quality IT Services refers to the computer networking and other telecommunication networks. In other words, Quality IT services is the ability to offer a variety of applications, data flows, users and a certain level of performance. Any network that supports QoS may determine or agree on a traffic contract with certain application software. The session might monitor a certain level of performance. An example of ‘performance’ qualities that may be monitored is the data rate and delay on ne...
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