Here's a simple chart that will help you choose the correct RED5 hosting plan:
# For 0-10 simultaneous RED5 Connections: Use VPS-512 plan
# For 11-20 simultaneous RED5 Connections: Use VPS-768 plan
# For 21-40 simultaneous RED5 Connections: Use VPS-1024 plan
# For 41-80 simultaneous RED5 Connections: Use VPS-1536 plan
# For 80-100 simultaneous RED5 Connections: Use VPS-2048 plan
# For >100 simultaneous RED5 Connections: Use Dedicated Server
NOTE: This chart assumes that each RED5 session uses 256kbps media streaming.