The explosion of IP-based applications and services heralds in a convergence of telecommunications and IT toward IP architectures. This simplifies the networking architecture but leads to major challenges. A summary of challenges includes: The communications layer for the next generation network (NGN) will need tremendous performance enhancements and sophistication. IT systems (such as application servers and billing systems) will have to manage multi-10 Gbps traffic. The IP layer to be implemented in each piece of equipment becomes a critical component. Green computing will be essential to limit power consumption.
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