MMFS uses NFS to deliver files to its clients. There are two types of clients. The server and clients are each multi-homed on both a traditional 10 Mbps Ethernet and an ATM network. The Ethernet is shared with the department and heavily loaded. We are running classic IP over ATM, which would seem to scale better than LAN emulation.
All data files are either video, audio, or both.
We use both AVI and MPEG for combined audio and video. The AVI files are encoded with motion jpeg, Indeo, or mpeg I-frame codecs. The files range in size from 80 KB to 500 MB and more. Data rates depend on the codec and compression parameters used, frame size and rate, and audio sampling rate. Rates for video files range from 40 to 5000 Kbps.