Victor Rychlicki Pages 80 - 92 ( 13 )
Currently all-optical Dense Wavelength Division Multiplexing (DWDM) communication networks  are able to transport packet data end-to-end without the need to convert the transport wavelength(s) to an electrical signal. These networks today operate similar to their electrically-based network counterparts. That is, while all-optical DWDM networks have distinct advantages over electrically-based transport networks [2, 3], they have inherited much of their operational methodologies from previous electrically-based technologies. This paper discusses all-optical DWDM hardware technologies [4, 5] combined with newly developed algorithms  for network device addressing, and optical path construction; in a manner that creates an all-optical network topology called Application Lambda Switching. This new networking topology does not limit bandwidth, eliminates congestion, and Quality of Service (QoS)  issues. It can diagnose outages, faults, detect expansion, device failures, track inventory, and map itself all in real-time without the need for additional add-on technologies, or protocols typically used to perform these functions [8-10]. Application Lambda Switching (Aλ S) algorithms allow network access devices, not core-networking devices, to determine the bandwidth/speed of connections. Aλ S also utilizes an addressing algorithm that calculates device hardware addresses; therefore, the optical infrastructure itself can track its own topology and activity through the exchange and re-calculation of device addresses.
Addressing, device, DWDM, lambda, network, optical, switching, wavelength.
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