I create a mp4 file (140 MB big) every hour on a windows pc. Then the file should be transmitted to a bunch of raspberry pis that should play them using VLC. My questions are: What is the most efficient and fluent way to transfer the mp4 file to the raspberry pis? Network streaming via vlc or uploading the file as a whole to the raspberrys? How would you implement this? How do I make the raspberrys switch to play the new video file without interruption? Thank you for your help.