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This paper studies the problem of designing a logical topology over a wavelength-routed all-optical network (AON) physical topology. The physical topology consists of the nodes and fiber links in the network. On an AON physical topol-ogy, we can set up lightpaths between pairs of nodes, where a lightpath represents a direct optical connection without anyâ€¦ (More)

This paper proposes optical wavelength division multiplexed (WDM) networks with limited wavelength conversion that can eeciently support lightpaths (connections) between nodes. Each lightpath follows a route in the network and must be assigned a channel along each link in its route. The load max of a set of lightpath requests is the maximum over all linksâ€¦ (More)

We provide network designs for optical wavelength division multiptezed (OWDM) rings that minimize overall network cost, rather than just the number of wavelengths needed. The network cost includes the cost of the transceivers required at the nodes as well as the number of wavelengths. The transceiver cost includes the cost of terminating ecluip-ment EM wellâ€¦ (More)

Absfmcf-We propose de Bruijn graphs as logical topologies for multihop lightwave networks. After deriving bounds on the throughput and delay performance of any logical topology, we compute the throughput and delay performance of de Bruijn graphs for two different routing schemes and compare it with our bounds and the performance of shufflenets. For a givenâ€¦ (More)

This paper describes an architecture for adding an underlying wavelength-routed optical layer to a standard ATM network. The optical layer provides recon-gurable lightpaths that serve as links between electronic ATM switches. A lightpath is carried on a particular wavelength and path in the underlying optical wavelength-routed network. This work focuses onâ€¦ (More)

This paper studies the problem of dedicating routes to connections in optical networks. In optical networks, the vast bandwidth available in an optical fiber is utilized by partitioning it into several channels, each at a different optical wavelength. A connection between two nodes is assigned a specific wavelength, with the constraint that no twoâ€¦ (More)