Abstract
Feature Issue on
Convergence
We provide a comprehensive description of the
Packet-Aware Transport Network (PATN) architecture first introduced in [IEEE Commun.
Mag. (3) 120 (2004)]. The PATN architecture provides a more efficient transport of
data services such as Ethernet and IP than traditional time-division multiplexing-
(TDM) centric access network architectures. The PATN architecture builds upon
several emerging technologies and improvements in silicon processing to seamlessly
converge multiple network functions onto a single platform, optimize network
utilization, and reduce operating costs. The PATN architecture is also designed to
support all existing TDM voice, private line, and data services. To validate this
architecture we implemented a comprehensive test bed that provides a microcosm of
local, metro, and long-distance transport networks. We describe this evaluation
methodology and present experimental results of key aspects of the PATN.
© 2005 Optical Society of America
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