Switch Router Architectures

A practicing engineer's inclusive review of communication systems based on shared-bus and shared-memory switch/router architectures This book delves into the inner workings of router and switch design in a comprehensive manner that is accessible to a broad audience. It begins by describing the role of switch/routers in a network, then moves on to the functional composition of a switch/router. A comparison of centralized versus distributed design of the architecture is also presented. The author discusses use of bus versus shared-memory for communication within a design, and also covers Quality of Service (QoS) mechanisms and configuration tools. Written in a simple style and language to allow readers to easily understand and appreciate the material presented, Switch/Router Architectures: Shared-Bus and Shared-Memory Based Systems discusses the design of multilayer switches—starting with the basic concepts and on to the basic architectures. It describes the evolution of multilayer switch designs and highlights the major performance issues affecting each design. It addresses the need to build faster multilayer switches and examines the architectural constraints imposed by the various multilayer switch designs. The book also discusses design issues including performance, implementation complexity, and scalability to higher speeds. This resource also: Summarizes principles of operation and explores the most common installed routers Covers the design of example architectures (shared bus and memory based architectures), starting from early software based designs Provides case studies to enhance reader comprehension Switch/Router Architectures: Shared-Bus and Shared-Memory Based Systems is an excellent guide for advanced undergraduate and graduate level students, as well for engineers and researchers working in the field.

Crossbar switch fabrics offer many benefits when designing switch/routers. This book discusses switch/router architectures using design examples and case studies of well-known systems that employ crossbar switch fabric as their internal interconnects. This book looks to explain the design of switch/routers from a practicing engineer’s perspective. It uses a broad range of design examples to illustrate switch/router designs and provides case studies to enhance readers comprehension of switch/router architectures. The book goes on to discuss industry best practices in switch/router design and explains the key features and differences between unicast and multicast packet forwarding architectures. This book will be of benefit to telecoms/networking industry professionals and engineers as well as researchers and academics looking for more practical and efficient approaches for designing non-blocking crossbar switch fabrics.

This book examines the fundamental concepts and design methods associated with switch/routers. It discusses the main factors that are driving the changing network landscape and propelling the continuous growth in demand for bandwidth and high-performance network devices. Designing Switch/Routers: Fundamental Concepts and Design Methods focuses on the essential concepts that underlie the design of switch/routers in general. This book considers the switch/router as a generic Layer 2 and Layer 3 forwarding device without placing an emphasis on any particular manufacturer’s device. The underlying concepts and design methods are not only positioned to be applicable to generic switch/routers but also to the typical switch/routers seen in the industry. The discussion provides a better insight into the protocols, methods, processes, and tools involved in designing switch/routers. The author discusses the design goals and features switch/router manufacturers consider when designing their products as well as the advanced and value-added features, along with the steps, used to build practical switch/routers. The last two chapters discuss real-world 6 switch/router architectures that employ the concepts and design methods described in the previous chapters. This book provides an introductory level discussion of switch/routers and is written in a style accessible to undergraduate and graduate students, engineers, and researchers in the networking and telecoms industry as well as academics and other industry professionals. The material and discussion are structured to serve as standalone teaching material for networking and telecom courses and/or supplementary material for such courses.

As Internet traffic grows and demands for quality of service become stringent, researchers and engineers can turn to this go-to guide for tested and proven solutions. This text presents the latest developments in high performance switches and routers, coupled with step-by-step design guidance and more than 550 figures and examples to enable readers to grasp all the theories and algorithms used for design and implementation.

This book focuses on the design goals (i.e., key features), architectures, and practical applications of switch/routers in IP networks. The discussion includes some practical design examples to illustrate how switch/routers are designed and how the key features are implemented. Designing Switch/Routers: Architectures and Applications explains the design and architectural considerations as well as the typical processes and steps used to build practical switch/routers. The author describes the components of a switch/router that are used to configure, manage, and monitor it. This book discusses the advantages of using Ethernet in today’s networks and why Ethernet continues to play a large role in Local Area Network (LAN), Metropolitan Area Network (MAN), and Wide Area Network (WAN) design. The author also explains typical networking applications of switch/routers, particularly in enterprise and internet service provider (ISP) networks. This book provides a discussion of the design of switch/routers and is written to appeal to undergraduate and graduate students, engineers, and researchers in the networking and telecom industry as well as academics and other industry professionals. The material and discussion are structured to serve as standalone teaching material for networking and telecom courses and/or supplementary material for such courses.

Crossbar switch fabrics offer many benefits when designing switch/routers. This book discusses switch/router architectures using design examples and case studies of well-known systems that employ crossbar switch fabric as their internal interconnects. This book looks to explain the design of switch/routers from a practicing engineer’s perspective. It uses a broad range of design examples to illustrate switch/router designs and provides case studies to enhance readers comprehension of switch/router architectures. The book goes on to discuss industry best practices in switch/router design and explains the key features and differences between unicast and multicast packet forwarding architectures. This book will be of benefit to telecoms/networking industry professionals and engineers as well as researchers and academics looking for more practical and efficient approaches for designing non-blocking crossbar switch fabrics.

Network routing can be broadly categorized into Internet routing, PSTN routing, and telecommunication transport network routing. This book systematically considers these routing paradigms, as well as their interoperability. The authors discuss how algorithms, protocols, analysis, and operational deployment impact these approaches. A unique feature of the book is consideration of both macro-state and micro-state in routing; that is, how routing is accomplished at the level of networks and how routers or switches are designed to enable efficient routing. In reading this book, one will learn about 1) the evolution of network routing, 2) the role of IP and E.164 addressing in routing, 3) the impact on router and switching architectures and their design, 4) deployment of network routing protocols, 5) the role of traffic engineering in routing, and 6) lessons learned from implementation and operational experience. This book explores the strengths and weaknesses that should be considered during deployment of future routing schemes as well as actual implementation of these schemes. It allows the reader to understand how different routing strategies work and are employed and the connection between them. This is accomplished in part by the authors' use of numerous real-world examples to bring the material alive. Bridges the gap between theory and practice in network routing, including the fine points of implementation and operational experience Routing in a multitude of technologies discussed in practical detail, including, IP/MPLS, PSTN, and optical networking Routing protocols such as OSPF, IS-IS, BGP presented in detail A detailed coverage of various router and switch architectures A comprehensive discussion about algorithms on IP-lookup and packet classification Accessible to a wide audience due to its vendor-neutral approach

Internet traffic is increasing by at least 200% per year and this is the first book to report on the current state-of-the-art of packet-switching architectures. The book to covers the subject in a comprehensive survey and presents contributions from the leading researchers in industry and universities. A mix of theoretical and practical material makes this book an essential reference for researchers in academia as well as industrial engineers.