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Traffic Grooming In Wdm Optical Networks
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Book Synopsis Survivability and Traffic Grooming in WDM Optical Networks by : Arun Somani
Download or read book Survivability and Traffic Grooming in WDM Optical Networks written by Arun Somani and published by Cambridge University Press. This book was released on 2006-01-19 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of fiber optic transmission systems and wavelength division multiplexing (WDM) have led to a dramatic increase in the usable bandwidth of single fiber systems. This book provides detailed coverage of survivability (dealing with the risk of losing large volumes of traffic data due to a failure of a node or a single fiber span) and traffic grooming (managing the increased complexity of smaller user requests over high capacity data pipes), both of which are key issues in modern optical networks. A framework is developed to deal with these problems in wide-area networks, where the topology used to service various high-bandwidth (but still small in relation to the capacity of the fiber) systems evolves toward making use of a general mesh. Effective solutions, exploiting complex optimization techniques, and heuristic methods are presented to keep network problems tractable. Newer networking technologies and efficient design methodologies are also described.
Book Synopsis Traffic Grooming for Optical Networks by : Rudra Dutta
Download or read book Traffic Grooming for Optical Networks written by Rudra Dutta and published by Springer Science & Business Media. This book was released on 2008-08-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the practical motivation, theoretical description, and extant techniques for traffic grooming in optical networks. The description of the various topics of research will be authored by leading researchers in this area, and will contain comprehensive description of related literature for each area. This book is intended to be a definitive reference and text for traffic grooming both for the practitioner in industry and the student in academia.
Book Synopsis Survivability and Traffic Grooming in WDM Optical Networks by : Arun K. Somani
Download or read book Survivability and Traffic Grooming in WDM Optical Networks written by Arun K. Somani and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic Grooming in Optical WDM Mesh Networks by : Keyao Zhu
Download or read book Traffic Grooming in Optical WDM Mesh Networks written by Keyao Zhu and published by Springer Science & Business Media. This book was released on 2006-03-30 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical networks based on wavelength-division multiplexing (WDM) tech nology offer the promise to satisfy the bandwidth requirements of the Inter net infrastructure, and provide a scalable solution to support the bandwidth needs of future applications in the local and wide areas. In a waveleng- routed network, an optical channel, referred to as a lightpath, is set up between two network nodes for communication. Using WDM technology, an optical fiber link can support multiple non-overlapping wavelength channels, each of which can be operated at the data rate of 10 Gbps or 40 Gbps today. On the other hand, only a fraction of customers are expected to have a need for such a high bandwidth. Due to the large cost of the optical backbone infrastruc ture and enormous WDM channel capacity, connection requests with diverse low-speed bandwidth requirements need to be efficiently groomed onto hi- capacity wavelength channels. This book investigates the optimized design, provisioning, and performance analysis of traffic-groomable WDM networks, and proposes and evaluates new WDM network architectures. Organization of the Book Significant amount of research effort has been devoted to traffic grooming in SONET/WDM ring networks since the current telecom networks are mainly deployed in the form of ring topologies or interconnected rings. As the long-haul backbone networks are evolving to irregular mesh topologies, traffic grooming in optical WDM mesh networks becomes an extremely important and practical research topic for both industry and academia.
Book Synopsis On Traffic Grooming and Survivability in WDM Optical Networks by : Long Long
Download or read book On Traffic Grooming and Survivability in WDM Optical Networks written by Long Long and published by . This book was released on 2010 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic grooming in WDM Optical Networks[ by : Juan Nadal Cerdà
Download or read book Traffic grooming in WDM Optical Networks[ written by Juan Nadal Cerdà and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effective Traffic Grooming in WDM Optical Networks by : Abdur R. B. Billah
Download or read book Effective Traffic Grooming in WDM Optical Networks written by Abdur R. B. Billah and published by . This book was released on 2005 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A New Scheme for Fault Tolerant Traffic Grooming in WDM Optical Networks by : Quazi R. Rahman
Download or read book A New Scheme for Fault Tolerant Traffic Grooming in WDM Optical Networks written by Quazi R. Rahman and published by . This book was released on 2008 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic Grooming in IP Over WDM Optical Networks by : Jing Fang
Download or read book Traffic Grooming in IP Over WDM Optical Networks written by Jing Fang and published by . This book was released on 2004 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telecommunication networks evolve as technology advances and society changes. Optical communications employing Wavelength Division Multiplexing (WDM) has become the dominant technology for use in backbone networks. As IP gains in popularity, the traffic pattern in carrier networks is increasingly becoming data centric. This has led to a change in the network infrastructure and many researchers believe that networks are evolving towards the slim two-layer model of IP over WDM. In this dissertation, we address several fundamentl issues of the grooming network design - the process of multiplexing, demultiplexing and switching lower rate traffic stream onto and off of higher capacity wavelengths, in the context of IP over WDM. We explain how wavelength continuity constraint and wavelength usage constraint affect network performance. Based on our research, we infer that, in practical WDM networks with wavelength usage constraint, increasing the total number of available wavelengths in a fiber is an attractive alternative to employing wavelength conversion. We investigate traffic grooming performed in IP layer, where the sub-wavelength level IP packets are grouped together in electrical domain before they are sent to the WDM layer. We study IP traffic grooming problem with the objective to minimize the number of transmitters and receivers needed in the WDM layer. We propose three routing strategies for allocating dynamic traffic requests and evaluate their blocking performance. The third issue addressed in this dissertaion is IP traffic grooming in a recently proposed architecture called light trails. We define the light trail design problem and identify the minimum number of light trails to carry the given traffic demand. We formulate an ILP and develop two heuristic approaches for obtaining fast and near-optimal solutions in large networks. We finally address the issue of fault management in grooming networks. We study shared and dedicated protection against single link failure in WDM grooming networks and develop an ILP formulation for each of them. We extend our research on the full protection design to partial protection where the backup capacity is smaller than the primary capacity. We present ILP formulations and design a dynamic routing strategy named shortest-available-least congested routing.
Book Synopsis Design and Optimization of Packet Switching and Traffic Grooming in WDM Optical Networks by : Lin Li
Download or read book Design and Optimization of Packet Switching and Traffic Grooming in WDM Optical Networks written by Lin Li and published by . This book was released on 2003 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis WDM Optical Network Design by : Osama Awwad
Download or read book WDM Optical Network Design written by Osama Awwad and published by . This book was released on 2007 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: While a single fiber strand in wavelength division multiplexing (WDM) has over a terabit-per-second bandwidth and a wavelength channel has over a gigabit-per-second transmission speed, the network may still be required to support traffic requests at rates that are lower than the full wavelength capacity. To avoid assigning an entire lightpath to a small request, many researchers have looked at adding traffic grooming to the routing and wavelength assignment (RWA) problem. In this work, we consider the RWA problem with traffic grooming (GRWA) for mesh networks under static and dynamic lightpath connection requests. The GRWA problem is NP-Complete since it is a generalization of the RWA problem which is known to be NP-Complete. We propose an integer linear programming (ILP) model that accurately depicts the GRWA problem. Because it is very hard to find a solution for large networks using ILP, we solve the GRWA problem by proposing two novel heuristics. The strength of the proposed heuristics stems from their simplicity, efficiency and applicability to large-scale networks. The book is addressed to professionals in optical communcation networks like professors, students and engineers.
Book Synopsis Optical WDM Networks by : Biswanath Mukherjee
Download or read book Optical WDM Networks written by Biswanath Mukherjee and published by Springer Science & Business Media. This book was released on 2006-06-15 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and development on optical wavelength-division multiplexing (WDM) networks have matured considerably. While optics and electronics should be used appropriately for transmission and switching hardware, note that "intelligence'' in any network comes from "software,'' for network control, management, signaling, traffic engineering, network planning, etc.The role of software in creating powerful network architectures for optical WDM networks is emphasized. Optical WDM Networks is a textbook for graduate level courses. Its focus is on the networking aspects of optical networking, but it also includes coverage of physical layers in optical networks. The author introduces WDM and its enabling technologies and discusses WDM local, access, metro, and long-haul network architectures. Each chapter is self-contained, has problems at the end of each chapter, and the material is organized for self study as well as classroom use. The material is the most recent and timely in capturing the state-of-the-art in the fast-moving field of optical WDM networking.
Book Synopsis Design and Provisioning of WDM Networks for Traffic Grooming by : Raza Ul-Mustafa
Download or read book Design and Provisioning of WDM Networks for Traffic Grooming written by Raza Ul-Mustafa and published by . This book was released on 2004 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelength Division Multiplexing (WDM) is the most viable technique for utilizing the enormous amounts of bandwidth inherently available in optical fibers. However, the band-width offered by a single wavelength in WDM networks is on the order of tens of Gigabits per second, while most of the applications' bandwidth requirements are still subwavelength. Therefore, cost-effective design and provisioning of WDM networks require that traffic from different sessions share bandwidth of a single wavelength by employing electronic multiplexing at higher layers. This is known as traffic grooming. Optical networks supporting traffic grooming are usually designed in a way such that the cost of the higher layer equipment used to support a given traffic matrix is reduced. In this thesis, we propose a number of optimal and heuristic solutions for the design and provisioning of optical networks for traffic grooming with an objective of network cost reduction. In doing so, we address several practical issues. Specifically, we address the design and provisioning of WDM networks on unidirectional and bidirectional rings for arbitrary unicast traffic grooming, and on mesh topologies for arbitrary multipoint traffic grooming. In multipoint traffic grooming, we address both multicast and many-to-one traffic grooming problems. We provide a unified frame work for optimal and approximate network dimensioning and channel provisioning for the generic multicast traffic grooming problem, as well as some variants of the problem. For many-to-one traffic grooming we propose optimal as well as heuristic solutions. Optimal formulations which are inherently non-linear are mapped to an optimal linear formulation. In the heuristic solutions, we employ different problem specific search strategies to explore the solution space. We provide a number of experimental results to show the efficacy of our proposed techniques for the traffic grooming problem in WDM networks.
Book Synopsis Routing and Wavelength Assignment for WDM-based Optical Networks by : Bijoy Chand Chatterjee
Download or read book Routing and Wavelength Assignment for WDM-based Optical Networks written by Bijoy Chand Chatterjee and published by Springer. This book was released on 2016-10-01 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an in-depth treatment of routing and wavelength assignment for optical networks, and focuses specifically on quality-of-service and fault resiliency issues. It reports on novel approaches for the development of routing and wavelength assignment schemes for fault-resilient optical networks, which improve their performance in terms of signal quality, call blocking, congestion level and reliability, without a substantial increase in network setup cost. The book first presents a solution for reducing the effect of the wavelength continuity constraint during the routing and wavelength assignment phase. Further, it reports on an approach allowing the incorporation of a traffic grooming mechanism with routing and wavelength assignment to enhance the effective channel utilization of a given capacity optical network using fewer electrical-optical-electrical conversions. As a third step, it addresses a quality of service provision scheme for wavelength-division multiplexing (WDM)-based optical networks. Lastly, the book describes the inclusion of a tree-based fault resilience scheme in priority-based dispersion-reduced wavelength assignment schemes for the purpose of improving network reliability, while maintaining a better utilization of network resources. Mainly intended for graduate students and researchers, the book provides them with extensive information on both fundamental and advanced technologies for routing and wavelength assignment in optical networks. The topics covered will also be of interest to network planners and designers.
Download or read book (1987). - V, 130, 42 S. written by and published by . This book was released on 2003-02 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Elastic Optical Networks by : Víctor López
Download or read book Elastic Optical Networks written by Víctor López and published by Springer. This book was released on 2016-06-13 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents advances in the field of optical networks - specifically on research and applications in elastic optical networks (EON). The material reflects the authors’ extensive research and industrial activities and includes contributions from preeminent researchers and practitioners in optical networking. The authors discuss the new research and applications that address the issue of increased bandwidth demand due to disruptive, high bandwidth applications, e.g., video and cloud applications. The book also discusses issues with traffic not only increasing but becoming much more dynamic, both in time and direction, and posits immediate, medium, and long-term solutions throughout the text. The book is intended to provide a reference for network architecture and planning, communication systems, and control and management approaches that are expected to steer the evolution of EONs.
Book Synopsis QoS Multicasting and On-line Traffic Grooming in WDM Optical Networks by : Arun Vishwanath
Download or read book QoS Multicasting and On-line Traffic Grooming in WDM Optical Networks written by Arun Vishwanath and published by . This book was released on 2006 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
