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Telecommunications is now the fastest changing part of the IT industry, encompassing vast disciplines from distributed systems to real-time applications. I have had the pleasure of being involved in what I believe is the most exciting time in its history. It wasn’t always this way, as telecommunications started out as a novelty: ‘‘An amazing invention, but who would want to use one?’’ – US President Rutherford B. Hayes after making a telephone call from Washington D.C. to Philadelphia. Interestingly however, in 1879, the first telephone was installed in the White House. At first it was hardly used, because there weren’t many other phones in Washington to call [WHITEH].