- Implement proper operation handles that allow users to wait for specific events - Clean up the read operation for clients - Check that the corner case where read and writes go over the length of the file work correctly - Return the number of bytes read or written in the MouseFS_Result struct - Make parallel uploads/downloads configurable - Recalculate next write locations whenever a write occurs, not at each read - avoid replay attacks - find a way to remove over-replicated chunks and formalize the chunk management policy - add logging of: - when chunk servers connect and disconnect to the metadata server