Next-Generation SONET and SDH Platforms
With the massive increase in inter-exchange carrier (IXC) core bandwidth, metropolitan-area transport has become the stress point of the entire public telecommunications infrastructure. The Internet and other forms of data communications continue to drive residential and business demand for higher bandwidth access. The metropolitan-area network (MAN) providers, such as incumbent local-exchange carriers (ILECs), competitive local-exchange carriers (CLECs), and cablecos, are caught in between and are responsible for metro transport and last mile access. However, ILECs and CLECs that offer voice services depend on their SONET/SDH networks, and would prefer a unified multiservice voice and data infrastructure ...
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