Abstract
A novel optical scheme is proposed to perform path tracing in an all-optical
packet-switched network. Prime-number-encoded tag is employed as the distinct
network node or network link identifier. As the optical data packet traverses
every network node, the path trace is recorded and updated optically, through
prime number multiplication via an optical delay circuit encoder. Hence, all
traversed network nodes along the path of a received optical data packet can
be retrieved and identified at the destination node, via simple prime number
factorization. Possible looping of optical data packets in the network can
also be detected. The scheme can facilitate the connection management in an
optical packet-switched network.
© 2012 IEEE
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