We present Cloud Haskell, a domain-specific language for developing programs for a distributed computing environment. Implemented as a shallow embedding in Haskell, it provides a messagepassing communication model, inspired by Erlang, without introducing incompatibility with Haskell’s established shared-memory
concurrency. A key contribution is a method for serializing function closures for transmission across the network. Cloud Haskell
has been implemented; we present example code and some preliminary performance measurements.