By Martin Maier
Metropolitan zone WDM Networks: An AWG dependent Approach offers a finished and technically particular evaluate of the most recent metropolitan quarter WDM community experimental platforms, architectures, and entry protocols. Its major concentration is at the novel big name WDM networks in response to a wavelength-selective Arrayed-Waveguide Grating (AWG). community researchers, engineers, pros, and graduate scholars will enjoy the thorough review and achieve an in-depth figuring out of present and next-generation metro WDM networks.
The AWG dependent metro celebrity WDM community is mentioned at size and commonly investigated via stochastic analyses and simulations. The booklet presents:
*an up to date assessment of ring and famous person metro WDM networks and entry protocols,
*in-depth functionality comparability experiences of AWG established multihop vs. single-hop WDM networks and AWG vs. Passive big name Coupler dependent single-hop WDM networks,
*a thorough description of the AWG established community and node architectures and entry protocols,
*a novel highly-efficient method of offer survivability for megastar WDM networks,
*extensive analytical effects for either unicast and multicast variable-size packet site visitors and bandwidth on call for,
*supplementary simulation effects, together with packet header hint documents.
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Additional info for Metropolitan Area WDM Networks: An AWG Based Approach
In our survey we concentrate on the main ideas. , assumptions on traffic generation and traffic matrices, can be found in the provided references. We highlight the merits and shortcomings of the various MAC protocols. Finally, we summarize the learnt lessons and formulate resulting guidelines for the design of MAC protocols for single-hop WDM networks. These guidelines will help us develop our MAC protocol in Chapter 5. In the remainder of this chapter, we review the various types of ring WDM network and node architectures.
Its low negative dispersion enables the use of low-(;ost directly modulated DFB lasers. Both fibers are mainly devised for metro WDM networks in order to reduce network complexity and costs. Polarization-mode dispersion PMD arises because the fiber core is not perfectly circular, particularly in older installations. Thus, different polarizations of the signal travel at different velocities. PMD is proving to be a serious impediment in very high-speed systems operating at 10 Gb/s and beyond. , the loss and refractive index of the fiber are independent of the signal power.
SRR node architecture with VOQs and channel inspection capability. Synchronous Round Robin (SRR) SRR (Synchronous Round Robin) is another empty-slot MAC protocol for a unidirectional WDM ring network with fixed-size time slots and destination stripping [MBL+96c][MBL+96b][MLMNOO]. Each node is equipped with one tunable transmitter and one fixed-tuned receiver (TI-FR), where the transmitter is assumed to be tunable across all W wavelengths on a per-slot basis. If N = W each node has its own home wavelength channel for reception.