Version 2026‑07‑28 of the MCP protocol rewrites the spec to be stateless, removing the initialize handshake and session‑ID header, enabling simple round‑robin routing, client‑side caching, unified tracing, and new extensions, while outlining migration challenges and operational benefits.
This article explains how Envoy Proxy’s HTTP Router Filter maps incoming requests to upstream clusters, walks through a basic routing setup, then demonstrates URL‑based routing with path stripping and prefix rewriting, and concludes with strategic insights for cloud‑native operations.
Oceanus is Meituan’s Nginx‑based HTTP routing framework that abstracts routing policies, stores them in MySQL, updates them asynchronously, evaluates Lua‑rendered conditions at runtime, and dynamically switches upstream groups without Nginx reload, enabling flexible traffic control for flash‑sale testing, regional isolation, gray releases, and other complex scenarios.
