From the birth of Ethernet to the rise of enterprise networking, many of the companies that shaped today’s IT landscape are now gone. In this episode of IT SPARC Cast Top 10, John Barger and Lou Schmidt count down the Top 10 Biggest Networking Companies That No Longer Exist, exploring the innovations, acquisitions, successes, and mistakes that changed the networking industry forever.
Whether you worked for one of these companies, competed against them, or simply love networking history, this episode is packed with stories, industry insights, and behind-the-scenes perspectives from two veterans with decades of enterprise networking experience.
Chapters
00:00 – Intro
Top 10 Biggest Networking Companies That No Longer Exist
02:18 – #10 – Proteon Corporation
How one of the early networking pioneers helped shape LAN technology before fading into history.
05:47 – #9 – SynOptics Communications
The company behind groundbreaking Ethernet innovations and the merger that created Bay Networks.
07:19 – #8 – Wellfleet Communications
A routing powerhouse whose technology influenced enterprise networking for years.
11:49 – #7 – Foundry Networks
The high-performance switching company that challenged industry giants before becoming part of Brocade.
16:12 – #6 – Cabletron Systems
One of New England’s networking legends, known for innovation, aggressive competition, and a remarkable corporate transformation.
19:50 – #5 – Marconi Communications / Marconi Electronic Systems
The rise and fall of one of telecommunications’ most recognizable names and its impact on carrier networking.
24:14 – #4 – Brocade Communications Systems
From Fibre Channel dominance to enterprise networking, Brocade left a lasting mark on modern data centers.
28:44 – #3 – 3Com Corporation
A networking icon founded by Ethernet inventor Bob Metcalfe that helped define business networking for decades.
32:17 – #2 – Lucent Technologies
Bell Labs innovation, optical networking leadership, and one of the biggest names of the telecom boom.
37:43 – #1 – Nortel Networks
Once one of the largest networking companies in the world, Nortel’s story remains one of the industry’s most fascinating business cases.
Wrap Up
41:29 – Wrap Up
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