Unix Domain Sockets, Udp Sockets Objective C what to use?

Unix sockets might be a little faster, and probably more importantly they provide reliable delivery (unlike UDP). But your comment about speed, and the idea that UDP as a protocol is preventing you from posting 30 updates per second to a GUI makes me think that the problem is not in the choice of protocol at all, but somewhere else. In other words, I think Unix sockets will be faster than UDP, but I doubt they will solve your actual problem.

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