Relay Blog
Insights, technical deep-dives, and best practices for real-time communication and IoT systems.
Distributed Nodes at Global Scale: Sticky Flows, Fast Failover, and Zero-Copy Load Balancing with Katran
Explore how Meta's Katran and XDP-based load balancing enable distributing billions of flows across thousands of backend nodes with sticky sessions, consistent hashing, fast failover, and minimal CPU overhead.
Stantia Labs Team
January 7, 2026
MQTT over QUIC: The Future of Real-Time IoT Communication
Discover how MQTT over QUIC combines the reliability of MQTT with the performance of the QUIC protocol to revolutionize IoT connectivity.
Stantia Labs Team
December 30, 2025
Linux Kernel XDP & AF_XDP: Achieving 2 Billion Packets Per Second
Learn how XDP and AF_XDP bypass the traditional network stack to enable packet processing at 2 billion packets per second with minimal CPU overhead.
Stantia Labs Team
December 31, 2025
io_uring, Async, and Thread-Per-Core: Scaling to Millions of Clients at Minimal Cost
Discover how modern Linux I/O technologies and thread-per-core architecture enable serving millions of concurrent clients while minimizing infrastructure costs.
Stantia Labs Team
January 1, 2026
Why We Built Relay in Rust: Security, Performance, and Cost
Explore how Rust eliminates entire classes of vulnerabilities, delivers uncompromising performance, and reduces infrastructure costs by 40-60% compared to traditional systems languages.
Stantia Labs Team
January 1, 2026
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