Network.Transport component provides only the API - an actual
backend that implements this will be required in order to start a CH node.
Take a look at the formal semantics for answers to all such questions. They’re actually quite pithy and readable, and fairly honest about where there are still gaps.
You can find them via the resources tab just above this page.
If the documentation doesn’t answer your question, queries about Cloud Haskell can be directed to the Parallel Haskell Mailing List (firstname.lastname@example.org), which is pretty active. If you think you’ve found a bug, or would like to request a new feature, please visit the github repositories and submit a bug.