The notion that DDL doesn't support fan-in (like with DLL files) has raised some concern as it completely misses a whole range of capabilities, most of which involve some forms IPC and resource-sharing.
The concept needs to be developed, either to a full design or failure, such that DDL binaries can be loaded from a centralized point such that multiple processes can share them. This way, a given module could be guaranteed to exist only once across all participating processes, which gives rise to IPC and resoruce sharing.
It should then be determined what the scheduling impact is for this task, so it can be folded into a distinct SDK.
