Motivated by classic IT architectures and the excessive increase in processing power a distributed design has also been adopted for communication platforms recently. Another contributing factor has been the rapid development of the internet, which also explains the choice of IP in favour of other protocols better suited for transport of real time traffic. Therefore we will accept the IP in voice over IP technology as granted, which leads to a more specific architecture as the ones considered so far. Although the term softswitch has not been defined in a strict sense and bears many different interpretations, we have decided to include it for sake of a more realistic viewpoint.
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