Microsoft’s Hyperlight WebAssembly for VMs Is Open Source
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Microsoft’s Azure Core Upstream team says its Hyperlight provides over 100% lower cold-start latency for serverless applications while benefiting from WebAssembly’s (Wasm) sandboxed security. Now open sourced with plans to donate the project to the CNCF, the Hyperlight project relies on small, embedded functions using hypervisor-based protection for each function call at scale. Each function request also has its own hypervisor for protection.
Virtual machines have long been the cornerstone of cloud native infrastructure, widely trusted to securely separate host and guest environments, Rita Zhang, a principal engineer on Microsoft Azure, said during a keynote at KubeCon+CloudNativeCon in November. “However, for event-driven scenarios like serverless computing, traditional VMs are simply too slow to spin up,” Zhang said. “So, how can we reduce this latency while still running our applications securely?”
