Channels work fine if you are happy for your software to have an actor-like design. But as you say, it comes with problems: Actors / channels can be disconnect

Channels work fine if you are happy for your software to have an actor-like design. But as you say, it comes with problems: Actors / channels can be disconnected for example. You also want to make sure they are bounded otherwise you don't have backpressure. Plus, they require copying so achieving high-throughput may be tricky.