نتایج جستجو برای: sonet
تعداد نتایج: 382 فیلتر نتایج به سال:
We explore the benefits of virtual concatenation in SONET/SDH-based traffic-groomable mesh networks. Our results qualitatively and quantitively demonstrate that virtual concatenation can improve bandwidth efficiency, simplify network control, and balance network load. 1. Background Optical SONET/SDH networks are the dominant infrastructure to support data and voice traffic in backbone and metro...
This paper presents a new method and a constraint-based objective function to solve two problems related to the design of optical telecommunication networks, namely the Synchronous Optical Network Ring Assignment Problem (SRAP) and the Intra-ring Synchronous Optical Network Design Problem (IDP). These network topology problems can be represented as a graph partitioning with capacity constraints...
SONET ADMs are dominant cost factors in WDM/SONET rings. Whereas most previous papers on the topic concentrated on the number of wavelengths assigned to a given set of lightpaths, more recent papers argue that the number of ADMs is a more realistic cost measure. Some of these works discuss various heuristic algorithms for this problem, and the best known result is a 3/2 approximation scheme in ...
Today's telecommunications needs call for faster and more reliable networks. Optical transmission has allowed great advances in creating faster and more reliable global communications networks. Most optical networks are based on the SONET (North American) and SDH (International) standards. For my thesis, I have designed, implemented, and tested a bit-error rate monitoring circuit, compliant wit...
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