Unity Realtime Multiplayer, Part 4: Overcoming NAT Challenges
Too Long; Didn't ReadNAT (Network Address Translation) technology, vital for internet infrastructure, poses challenges for direct device-to-device connections. This article explores solutions, including NAT Punch-Through, TCP/UDP Hole Punching, ICMP Hole Punching, STUN, and Relay Fallback, for real-time multiplayer games. These techniques overcome NAT limitations, allowing efficient direct connections or using relay servers when needed. Understanding NAT's impact on game development is crucial for optimizing multiplayer experiences. Next article will cover data encoding and compression principles.