Breaking the Latency Barrier: Tackling Compute and Network Delay With Globally Distributed Wasm
Talkat Kubernetes on Edge Day North America 2025 · on Monday, 2025-11-10· at 10:40· Building B | Level 2 | B203·
summary
Spin is an open source Wasm toolkit that claims sub-millisecond cold starts and portable deployments to Akamai’s global edge; demo shows Spin apps built locally and pushed as OCI artifacts to SpinKube or Akamai, deployed across 24 regions in a minute and a half. A redirect service compiles 100k redirects into a 2.2 MB Wasm binary (1M ≈ 19 MB) using Wiser snapshotting for O(1) lookups, and a 10k-request load test (125 concurrency) averages 13 ms end-to-end.
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chapters (15)
- 0:00Introduction
- 1:44Latency challenge in cloud apps
- 2:46Traditional serverless latency limits
- 3:29Edge functions and fast runtimes
- 4:33Fermion and WebAssembly functions
- 4:54Why WebAssembly for serverless
- 6:18Spin CLI and runtime setup
- 7:41Live Spin deployment demo
- 9:45WebAssembly data embedding
- 10:48High-performance redirects use case
- 16:46Microworkloads and global patterns
- 17:47AI inference at the edge
- 19:32Customer deployments and examples
- 20:57Resources and closing
- 21:24Q&A
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