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Video: Comparing TCP/IP and CLNP

If you were building networks in early 1990s you probably remember at least a half-dozen different network protocols. Only one of them survived (IPv6 came later), with another one (CLNP) providing an interesting view into a totally different parallel universe that evolved using a different set of fundamental principles.

After introducing the network-layer addressing, I compared the two and pointed out where one or the other was clearly better.

You might think that it makes no sense to talk about protocols that were rarely used in old days, and that are almost non-existent today, but as always those who cannot remember the past are doomed to repeat it, this time reinventing CLNP principles in IPv6-based layer-3-only data center fabrics.

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