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Wdm Optical Multicasting
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Book Synopsis Wdm Optical Multicasting by : Rabi Yousif
Download or read book Wdm Optical Multicasting written by Rabi Yousif and published by LAP Lambert Academic Publishing. This book was released on 2012-05 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relevant for computer systems and communications engineers as well as networking vendors. Explores the optical multicast wavelength division multiplexing (WDM) technology and the media access control (MAC) protocols that supports multicast traffic in local WDM networks. Presents a comprehensive and comparative study of different challenges faced in the design of multicast technique and schemes. Investigates design issues and considerations for flexible and scalable network architecture such as multicast wavelength assignment problem, transceivers tuning limitations, multicast scheduling algorithms, reconfiguration techniques, and survivability strategies. Provides a thorough analysis of the single-hop WDM optical network based on the broadcast-and-select with passive star coupler (PSC) system.
Book Synopsis Resilient Optical Multicasting Utilizing Cycles in WDM Optical Networks by : Abhishek Satyedranath
Download or read book Resilient Optical Multicasting Utilizing Cycles in WDM Optical Networks written by Abhishek Satyedranath and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Multicasting in Multi-Line-Rate Ethernet-over-WDM Backbone Networks by : Shruthi Harve
Download or read book Optical Multicasting in Multi-Line-Rate Ethernet-over-WDM Backbone Networks written by Shruthi Harve and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ethernet is the dominant technology for local-area networks (LANs) due to its simplicity, flexibility, and cost efficiency. In order to carry Ethernet traffic over backbone networks of metropolitan-area networks (MANs) and wide-area networks (WANs), the current mode of operation requires the conversion of Ethernet signals to technologies used by the backbone networks using complex and expensive equipment. In order to avoid this sort of unnecessary conversion, efforts are now under way to extend the usage of Ethernet from LANs to carrier-grade Ethernet in backbone networks of different service providers, and to provide a unified platform for transporting traffic. With the advent of muticast applications such as Internet Protocol TV (IPTV) and Video-on-Demand, there is a need for techniques to efficiently route multicast traffic over Ethernet backbone networks. Here, we address the problem of Routing and Wavelength Assignment (RWA) of a set of multicast requests in a Multi-Line-Rate (MLR) Ethernet backbone network with the objective of minimizing the cost of setting up the network, in terms of the Service Provider's Capital Expenditure (CAPEX). We present an Auxiliary Graph-based heuristic algorithm that routes each multicast request on a light-tree structure, and assigns minimum-cost wavelengths along the route. The algorithm utilizes the flexibility extended by MLR wavelength-division-multiplexed (WDM) optical networks used to construct the Ethernet backbone, by re-using channels, and using appropriate weight-assignment schemes to make a cost-efficient choice of wavelengths. We compare the properties of the algorithm to the optimal solution given by a mathematical model formulated as an Integer Linear Program (ILP), and show that they compare very well for small networks. The algorithm is tested on bigger networks, and it is shown that the algorithm is most cost-effective when the incoming traffic requests are processed in descending order of their bandwidth requirements, while using the linear weight-assignment scheme with volume discount.
Book Synopsis Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks by :
Download or read book Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks written by and published by . This book was released on 1904 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Many applications and telecommunications services in futurehigh-speed networks will require some form of multipointcommunication. The problems associated with providing network support formultipoint communication have been widely studied within anumber of different networking contexts. As current network technologies evolve to an all-optical, largely passive infrastructure, these problems takeon new significance and raise a number of challenging issuesthat require novel solutions. We consider the problem of supporting multipoint communication at the media access control (MAC) layer of broadcast-and-select Wavelength Division Multiplexed (WDM) networks. In this environment, bandwidth consumption and channel utilization arise as two conflicting objectives in the design of scheduling algorithms for multicast traffic. We present a new technique for the transmission of multicast packets which is based on the concept of a virtual receiver. This is a set of physical receivers which behave identically in terms of tuning. We focus on the problem of optimally selecting the virtual receivers, and prove that it is NP-complete. We then present four heuristics of varying degrees of complexity for obtaining virtual receivers that provide a good balance between the two conflicting objectives. The dynamic nature of multicast traffic could affect the balance obtained with the virtual receivers when the network conditions change. We study the sensitivity to changes of the virtual receiver sets and the cost associated with handling the changes. Also, the cost of three different approaches to handling the changes is analyzed. Finally, we study the performance of various strategies for scheduling a combined load of unicast and multicast traffic in a broadcast WDM network. Three different scheduling strategies are presented, namely: separate scheduling of unicast and multicast traffic, treating multicast traffic as a number of unicast messages, and treating unicast traffic as multicasts of size on.
Book Synopsis Multicast and Broadcast Routing in WDM Optical Networks by : Lu Ruan
Download or read book Multicast and Broadcast Routing in WDM Optical Networks written by Lu Ruan and published by . This book was released on 2001 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicasting in WDM Single-hop Local Lightwave Networks by : Rabi W. Yousif
Download or read book Multicasting in WDM Single-hop Local Lightwave Networks written by Rabi W. Yousif and published by . This book was released on 2000 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: In modern networks, the demand for bandwidth and high quality of service (QoS) requires the efficient utilisation of network resources such as transmitters, receivers and channel band~idth. One method for conserving these resources is to employ efficient implementations of multicasting wherever possible. Using multicasting, a source sending a message to multiple destinations may schedule a single transmission which can then be broadcasted to multiple destinations or forwarded from one destination to another, thus conserving the source transmitter usage and channel bandwidth. This thesis investigates the behaviour of single-hop WDM optical networks when they carry multicast traffic. Each station in the network has a fixed-wavelength transceiver and is set to operate on its own unique wavelength as a control channel. Each station also has a tuneable wavelength transceiver in order to transmit or receive signals to or from all the other stations. A transmission on each channel is broadcasted by a star coupler to all nodes. Multicasting in single-hop WDM networks has been studied with different protocols. This thesis studies the multicasting performance adopting receiver collision avoidance (RCA) protocol as a multicasting protocol. This study takes into consideration the effect of the tuneable transceiver tuning time which is the time required to switch from one wavelength to another, and the propagation time required by a packet to propagate from one node to another. The strategy in RCA protocol is that nodes request transmission time by sending a control packet at the head of their queues. Upon receipt of this information all nodes run a deterministic distributed algorithm to schedule the transmission of the multicast packet. With the control information, nodes determine the earliest time at which all the members of the multicast group can receive the packet and the earliest time at which it can be transmitted. If a node belongs to the multicast group addressed in the control packet, its receiver must become idle ~ntil all nodes in the group have tuned to the appropriate wavelength to receive the packet. This problem leads to poor transmission and consequently low channel utilisation. However, throughput degradation due to receiver conflicts decreases as the multicast size increases. This is because for a given number of channels, the likelihood of a receiver being idle decreases as the number of intended recipients per transmission increases. The number of wavelengths available in a WDM network continues to be a major constraint. Thus in order to support a large number of end users, such networks must use and reuse wavelengths efficiently. This thesis also examines the number of wavelengths needed to support multicasting in single-hop optical networks. This thesis shows that the system under study can accommodate large tuning delays and keeps with suitable throup) hput when the number of wavelength is equal to the number of nodes. When the number of wavelengths is comparable to the number of users the tuning time influence on the packet delay increases. This thesis also shows that when the size of multicast packet and receiver tuning delay increase the throughput decreases.
Book Synopsis Survivable Multicasting in WDM Optical Networks by : Sateesh Chandra Shekhar
Download or read book Survivable Multicasting in WDM Optical Networks written by Sateesh Chandra Shekhar and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicasting Using WDM in Multifiber Optical Star Networks by : Russell Frederic Brandt
Download or read book Multicasting Using WDM in Multifiber Optical Star Networks written by Russell Frederic Brandt and published by . This book was released on 2003 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicasting in All-optical WDM Networks by : Anuj Rawat
Download or read book Multicasting in All-optical WDM Networks written by Anuj Rawat and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicast Communication in a Class of WDM Optical Networks by : Chunling Zhou
Download or read book Multicast Communication in a Class of WDM Optical Networks written by Chunling Zhou and published by . This book was released on 1998 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis All-optical Multicasting on WDM Networks by : 曾紋郁
Download or read book All-optical Multicasting on WDM Networks written by 曾紋郁 and published by . This book was released on 2000 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book IP over WDM written by Kevin H. Liu and published by John Wiley & Sons. This book was released on 2003-02-28 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to focus on IP over WDM optical networks. It not only summarizes the fundamental mechanisms and the recent development and deployment of WDM optical networks but it also details both the network and the software architectures needed to implement WDM enabled optical networks designed to transport IP traffic. The next generation network employing IP over optical networks is quickly emerging not only in the backbone but also in metro and access networks. Fiber optics revolutionizes the telecom and networking industry by offering enormous network capacity to sustain the next generation Internet growth. IP provides the only convergence layer in a global and ubiquitous Internet. So integrating IP and WDM to transport IP traffic over WDM enabled optical networks efficiently and effectively is an urgent yet important task. * Covers hot areas like traffic engineering, MPLS, peer-to-peer computing, IPv6. * Comprehensive overview of history, background and research. * Presents all requirements for a WDM optical network (enabling technologies, optical components, software architecture, management, etc.). * Performance studies and descriptions of experimental WDM optical networks guarantee the practical approach of the book. Technical engineers and network practitioners, designers and analysts, network managers and technical management personnel as well as first year graduate students or senior undergraduate students majoring in networking and/or network control and management will all find this indispensable.
Book Synopsis Techniques to Support Multicast Traffic in Single-hop WDM Optical Networks by : Zeydy Ortiz-Laureano
Download or read book Techniques to Support Multicast Traffic in Single-hop WDM Optical Networks written by Zeydy Ortiz-Laureano and published by . This book was released on 1998 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: pre-transmission coordination, scheduling algorithms, lightwave networks, broadcast star topology, media access.
Author :Neophytos (Neo) Antoniades Publisher :Springer Science & Business Media ISBN 13 :1461410932 Total Pages :536 pages Book Rating :4.4/5 (614 download)
Book Synopsis WDM Systems and Networks by : Neophytos (Neo) Antoniades
Download or read book WDM Systems and Networks written by Neophytos (Neo) Antoniades and published by Springer Science & Business Media. This book was released on 2011-12-08 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling, Simulation, Design and Engineering of WDM Systems and Networks provides readers with the basic skills, concepts, and design techniques used to begin design and engineering of optical communication systems and networks at various layers. The latest semi-analytical system simulation techniques are applied to optical WDM systems and networks, and a review of the various current areas of optical communications is presented. Simulation is mixed with experimental verification and engineering to present the industry as well as state-of-the-art research. This contributed volume is divided into three parts, accommodating different readers interested in various types of networks and applications. The first part of the book presents modeling approaches and simulation tools mainly for the physical layer including transmission effects, devices, subsystems, and systems), whereas the second part features more engineering/design issues for various types of optical systems including ULH, access, and in-building systems. The third part of the book covers networking issues related to the design of provisioning and survivability algorithms for impairment-aware and multi-domain networks. Intended for professional scientists, company engineers, and university researchers, the text demonstrates the effectiveness of computer-aided design when it comes to network engineering and prototyping.
Book Synopsis Scheduling and Multicasting in Wavelength-division Multiplexed Local Optical Networks by : Michael Scott Borella
Download or read book Scheduling and Multicasting in Wavelength-division Multiplexed Local Optical Networks written by Michael Scott Borella and published by . This book was released on 1995 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicasting and Fault Management in IP-over-WDM Networks by : Laxman Sahasrabuddhe
Download or read book Multicasting and Fault Management in IP-over-WDM Networks written by Laxman Sahasrabuddhe and published by . This book was released on 2000 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiwavelength Optical Networks by : Xiaohua Jia
Download or read book Multiwavelength Optical Networks written by Xiaohua Jia and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiwavelength Optical Networks systematically studies the major research issues in WDM (Wavelength Division Multiplexing) optical networks, such as routing and wavelength assignment, QoS multicast routing, design of logical topologies, and placement of wavelength converters. The book consists of two parts. The first part studies the fundamental concepts and principles of WDM networks. The second part discusses advanced and research issues of WDM networks. The authors of the book have many years of working experience in the areas of computer networks and network optimization. The book discusses many difficult issues of WDM networks in a very comprehensive way. For each problem, there is a background discussion, and then the mathematical formulation, followed by the solutions.
