Proceedings of 2010 IEEE International Conference on Ultra-Wideband (ICUWB2010)
Reconfigurable Optical Add/Drop Mlast years have seen increasing deployment of access transport network at the transmitting side is composed
technologies such as FTTP (Fiber to The Premises). The if independent transport layer networks. That is, the
bandwidth requirements of these new services need to network assembles individual client signals that all
reduce operational cost and complexity drive the together are transported over a link. At the receiving
requirements for a new generation of metropolitan DWDM side, each layer network is separately partitioned so
networks and the expansion of such networks into areas that the internal structure of that layer network
that previously did not required in DWDM system unfolds and client signals are separated to be rerouted
architecture. An photonic network to express traffic to their own direction. In many respect, a node is no
without operating OEO conversions at intermediate nodes more than an airport hub where passengers arrive
in a metropolitan area is required. The network must with the same aircraft, and then each one is
provide integrated transport and switching in a single transferred to a different gate where a different set of
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