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Handbook of Fiber Optic Data Communication, 4th Edition by Casimer DeCusatis

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Chapter 13

Network Architectures and Overlay Networks

Casimer DeCusatis,      IBM Corporation 2455 South Road, Poughkeepsie, NY

In recent years, there have been many new approaches to data networking protocols, both industry standard and vendor proprietary. In this chapter, we will begin with an overview of conventional networking protocols, such as the Spanning Tree Protocol and multichassis link aggregation, and network design approaches like equal cost multipath spine–leaf. We will then review several more recent proposals for addressing the requirements of a flattened, Layer 2 network infrastructure. We discuss Transparent Interconnection of Lots of Links (TRILL) and Shortest Path Bridging, as well as both industry standard and proprietary ...

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