ExpressGateway

A globally distributed load balancer written in Rust, featuring:

• L7 data plane: HTTP/1.1, HTTP/2, HTTP/3 with frame-by-frame processing
• L4 data plane: XDP/eBPF-based TCP and UDP load balancing
• QUIC-native proxying via quiche
• Native gRPC proxy with full streaming support
• Compression: zstd, brotli, gzip, deflate with streaming and transcoding
• 11 load-balancing algorithms: round-robin, weighted, P2C, Maglev, ring hash, EWMA, and more
• Active and passive health checking
• Full DoS mitigation catalog
• File-backed control plane with trait seam for future distributed backends
• Standalone and HA modes
• Zero-downtime reload via SO_REUSEPORT and FD passing
• Panic-free: zero unwrap/expect/panic! in non-test code

Building

cargo build --release

Testing

cargo test --all --all-features

License

GPL-3.0-only