Next-generation transparent DWDM networks

William L. Emkey

doi:10.1117/12.424837

20 April 2001 Next-generation transparent DWDM networks

William L. Emkey

Proceedings Volume 4289, WDM and Photonic Switching Devices for Network Applications II; (2001) https://doi.org/10.1117/12.424837
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

DWDM networks consist of many densely packed wavelength channels propagating independently (and even bi- directionally) within the physical fibers making up a given system. The `virtual fibers' within a DWDM transport network, aside from providing higher bandwidth capability, are able to expand overall network flexibility as well as improve reliability. Bandwidth increase is satisfied by adding wavelength channels via increasing the density of channels and/or by expanding the spectral region for incorporating additional channels. The increased flexibility addresses complex and continuously varying topologies and the frequent need to flexibly add/drop channels and re- provision channels. Further, the incorporation of non- intrusive monitoring of all optical wavelengths s improves network reliability by enabling element control, improved network management, and predictive network failure capability.

Citation Download Citation

William L. Emkey "Next-generation transparent DWDM networks", Proc. SPIE 4289, WDM and Photonic Switching Devices for Network Applications II, (20 April 2001); https://doi.org/10.1117/12.424837

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