Sunday, February 2, 2020

Worth Reading: SD-WAN Scalability Challenges

In January 2020 Doug Heckaman documented his experience with VeloCloud SD-WAN. He tried to be positive, but for whatever reason this particular bit caught my interest:

Edge Gateways have a limited number of tunnels they can support […]

WTF? Wasn’t x86-based software packet forwarding supposed to bring infinite resources and nirvana? How badly written must your solution be to have a limited number of IPsec tunnels on a decent x86 CPU?

Read more ...
Thanks to Ivan Pepelnjak (see source)

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