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TCP-IP Stack Bypass

I understand that this is a somewhat open question ...

In the context of low latency applications, I heard links to bypass the TCP-IP stack.

What does this really mean and suggest that you have two processes on the network that need to exchange messages, what are the different options (and the trade-offs associated with them) for this?

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Typically, the first steps use a TCP, ToE offload mechanism, or a TCP / IP stack for user space, such as OpenOnload.

Completely skipping TCP / IP usually means looking at InfiniBand and using the RDMA verbs, or even implementing user protocols above the original Ethernet.

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