HN741: History of Networking: How Bridging Saved Ethernet
Jul 12, 2024
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Alan Kirby, a networking expert, shares the intriguing history of the first Ethernet bridge at Digital Equipment Corporation in the 1980s. Topics include the comparison of Ethernet to other networking standards, advancements in twisted pair technologies, challenges in shared Ethernet transmissions, development of PAL design, sales progression of DEX Bridge 100, evolution of Ethernet technology, and transitions from hubs to switches.
Ethernet bridges revolutionized connectivity by creating dedicated paths between devices, improving performance and scalability.
The development of spanning tree protocol by Radia Perlman prevented Ethernet loops, ensuring network stability and reliability.
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Evolution from Ethernet Bridges to Switching Technology
Alan Kirby discusses the transition from early Ethernet technologies to modern switching. Initially, Ethernet featured shared bus architecture, attributing to challenges like collisions and shared media limitations. The introduction of Ethernet bridges revolutionized connectivity, allowing dedicated connections between devices, paving the way for improved performance and scalability.
Significance of Ethernet Bridging in Networking Evolution
Ethernet bridges marked a significant advancement in networking by creating dedicated paths between devices. The innovation addressed issues like collision detection and improved network efficiency. The transition from shared media to switched connections enhanced network throughput and reliability, setting the stage for modern networking infrastructures.
The Impact of Spanning Tree Protocol on Ethernet Networks
The development of the spanning tree protocol by Radia Perlman played a crucial role in preventing Ethernet loops and ensuring network stability. The protocol's implementation safeguarded against network disruptions, demonstrating the importance of innovative solutions in enhancing Ethernet functionality. The evolution from basic Ethernet to advanced protocols like spanning tree reflects the dynamic nature of networking technologies.
Ready to take a trip back to the 1980’s and learn some networking history? We talk with Alan Kirby, who was there forty years ago when the first Ethernet bridge was created at Digital Equipment Corporation (DEC). He explains the story of why and how it came to be. We discuss how Ethernet compared to... Read more »
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