Design of Optical WDM Networks: LAN, MAN and WAN by Byrav Ramamurthy PDF

By Byrav Ramamurthy

Lo, soul! seest thou no longer God's function from the 1st? The earth to be spann'd, hooked up by means of net-work From Passage to India! Walt Whitman, "Leaves of Grass", 1900. the net is starting to be at a major fee this present day. New prone, reminiscent of telephony and multimedia, are being extra to the natural data-delivery framework of the day before today. Such excessive calls for on potential could lead on to a "bandwidth-crunch" on the center wide-area community leading to degra­ dation of carrier caliber. thankfully, technological techniques have emerged that can supply reduction to the end-user to beat the In­ ternet's recognized hold up and bandwidth obstacles. on the actual layer, a massive overhaul of current networks has been envisaged from digital media (such as twisted-pair and cable) to optical fibers - within the broad zone, within the metropolitan quarter, or even within the neighborhood zone set­ tings. so one can make the most the enormous bandwidth power of the optical fiber, attention-grabbing multiplexing strategies were constructed through the years. Wavelength department multiplexing (WDM) is any such promising tech­ nique within which a number of channels are operated alongside a unmarried fiber si­ multaneously, every one on a distinct wavelength. those channels might be independently modulated to deal with numerous bit premiums and knowledge codecs, if that is so wanted. hence, WDM carves up the large bandwidth of an optical fiber into channels whose bandwidths (1-10 Gbps) are compati­ ble with height digital processing speed.

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Design of Optical WDM Networks: LAN, MAN and WAN Architectures (The Springer International Series in Engineering and Computer Science) by Byrav Ramamurthy


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