20.Lock AbstractDigital Circular

Hearing "open-source", "PSP", and "security" all together got me excited with my initial reaction thinking it was about AMD's Platform Security Processor (PSP) albeit that's not the case here. Google's PSP is the "PSP Security Protocol" and is designed for dealing with cryptographic hardware offloading at data center scale and used by Google already in production.

Google engineers took to designing their own offload-friendly protocol with TLS not being offload-friendly enough and lacking UDP support while also encountering shortcomings of IPsec. PSP as their solution is described as a TLS-like, transport-independent protocol for per-connection security and offload-friendly.

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