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mp-server-client

Minimal Rust UDP client/server playground for experimenting with:

  • Packet sequencing + simple ACK
  • (Future) RTT / loss tracking
  • 128 Hz server tick using Tokio

Quick Run

# Terminal 1
cargo run -p server

# Terminal 2
cargo run -p client

Wire Header

struct Header {
		seq: u32,      // packet sequence (wrapping)
		ack: u32,      // highest seq seen from peer
		t_send_ns: u64 // timestamp (ns) when sender built packet
}

Client sends a handshake (seq 0). Server ticks at 128 Hz and sends packets to known peers; client echoes back with updated ack.

Roadmap (short)

  • Proper RTT calculation
  • Packet loss detection & basic reliability
  • Shared crate for the header
  • Configurable tick rate / CLI options

License

GNU GPL 2