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Building network automation solutions

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Video: Breaking the End-to-End Principle

Original TCP/IP and OSI network stacks had relatively clean layered architecture (forgetting the battle scars for the moment) and relied on end-to-end principle to keep the network core simple.

As always, no good deed goes unpunished - “creative” individuals trying to force-fit their mis-designed star-shaped pegs into round holes, and networking vendors looking for competitive advantage quickly destroyed the idea with tons of middlebox devices, ranging from firewalls and load balancers to NAT, WAN optimization, and DPI monstrosities.

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