# Network Messages & External Control

- [Connect PHOTON and QLab Through UDP](/step-by-step-tutorials/i-o/network-messages-and-external-control/connect-photon-and-qlab-through-udp.md)
- [External TCP/UDP Control Specifications](/step-by-step-tutorials/i-o/network-messages-and-external-control/external-tcp-udp-control-specifications.md): Implementation: Photon v 11