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WebAssembly Component Model (WASI 0.2): Polyglot Microservices in Rust, Go & Python

A comprehensive systems engineering guide to WASI 0.2 and the WebAssembly Component Model. We analyze WIT (Wasm Interface Type) interfaces, canonical ABI linking, sub-millisecond cold starts, and replacing heavyweight Docker containers on the edge.

Sachin Sharma
Sachin SharmaCreator
Sep 2, 2026
3 min read
WebAssembly Component Model (WASI 0.2): Polyglot Microservices in Rust, Go & Python
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A comprehensive systems engineering guide to WASI 0.2 and the WebAssembly Component Model. We analyze WIT (Wasm Interface Type) interfaces, canonical ABI linking, sub-millisecond cold starts, and replacing heavyweight Docker containers on the edge.

WebAssemblyWASI 0.2Component ModelRustCloud NativeServerless
Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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