Download Blind men and the elephant : demystifying the global IT by Was Rahman PDF

By Was Rahman

This publication explains what specialists and IT companies businesses do. It examines the industry's strangely alluring background, and in doing so, explains why the does issues how it does and what motivates different avid gamers inside it. Drawing brilliant comparisons from way of life and different industries, this booklet makes advanced techniques available to the final reader, giving them for the 1st time an in-depth perception into the IT undefined, the way it works, the way it impacts we all, and the place it truly is more likely to catapult us during this century. Written in a lucid kind by way of well known IT execs, this e-book is a needs to learn not just for administration and engineering scholars, IT execs, managers, and technocrats, but in addition for an individual prepared to have the mysteries of the pc age unraveled.

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Instead, what is required is a judgement of the risk of one option over others, leading to a choice of one strategy out of several valid ones. A large part of the cost of setting up online businesses is the technology infrastructure. This includes things like the hardware on which the website is run, part of which is known as the ‘webserver’, the database of customer details—which needs to be located separately for security and performance reasons, the machine which holds the details of the various transactions whether they be booked holidays or pizzas (known as the commerce server or commerce engine or several other names) and the various communications hardware required to connect all these pieces together securely.

Those that do get completed may well not do what the customer wanted. Sources such as the Standish Report, which we will describe later, quantify this track record and allow us to speculate on the amount of money wasted on failed or cancelled projects. We will see that different analysts talk about anything from 40 to 55 per cent of projects being in these categories. So even if we use such numbers conservatively, we should still conclude that hundreds of billions of dollars are wasted annually on IT projects today.

Another consideration is understanding what is technically feasible or practical versus what is still in the purview of advanced Research and Development (R&D) labs or science fiction. It is this combination of perspectives that is difficult to apply in practice. The role and effectiveness of technology in solving higher-end business problems requires a much more subjective judgement than the examples we have considered so far. So there is an inherent uncertainty for a customer in assessing the potential role and importance of the IT components of these business solutions, and even greater uncertainty in evaluating their feasibility.

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