MONET: multiwavelength optical networking

Abstract

This paper presents an overview of the Multiwavelength Optical Networking (MONET) program and summarizes its vision. The program objective is to advance, demonstrate, and integrate network architecture and economics, advanced multiwavelength technology, and network management and control to achieve high capacity, reconfigurable, high performance, reliable multiwavelength optical networks, with scalability to national scale, for both commercial and specialized government applications. The paper describes the major research thrusts of the program including network elements, networking demonstration plans, network control and management, and architecture and economics.

Layered switch architectures for high-capacity optical transport networks

“…Therefore, good performance in terms of blocking of connections can still be achieved even though the switch fabrics at individual network node are not fully connected. Although the proposed layered architectures bear similarity to the wavelength-selective cross connect (WSXC) architecture [2]- [4], the work shown here treats the layering as a desirable feature in itself, independent of the number of wavelengths used for transmission. In addition to greatly reduced switch size, the proposed switch architectures-because of the wavelength-independence-also possess high design flexibility, high expandability, and low blocking probability.…”

“…T HE long-distance optical transport network with wavelength-division multiplexing (WDM) technology has shown a promising future for high-capacity optical fiber communications [1], [2]. In such a network, the communications between central offices are conveyed by the fiber-trunk mesh.…”

Helios: A Broadcast Optical Architecture

“…Dividing the enormous information carrying capacity of single mode fiber into a number of channels, each on a different wavelength and operating at peak electronic speed, WDM makes it possible to deliver aggregate throughput on the order of Terabits per second. WDM technology initially was deployed in pointto-point links and has also been extensively studied, theoretically and experimentally, in wide area or metropolitan area distances [7]. Several WDM local area testbeds have also been implemented [5] or are currently under development [6,1].…”

Subnetwork partitioning and section restoration in translucent optical networks

“…In transparent or all-optical networks architecture, a connection goes through the network over a completely optical 2 This path consists of point-to-point optical links interconnected by all-optical nodes. Wavelength selective cross-connects (WSXC) can switch an incoming connection on some wavelength onto the same wavelength in any of its outgoing fibers.…”