Zanzibar Paper (2019)
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“Zanzibar: Google’s Consistent, Global Authorization System” (2019) — Pang et al.
Describes Google’s global authorization system that checks billions of access control decisions per second. Key contributions: relationship-based access control (ReBAC) model, namespace configuration language, new enemy problem handling, and global consistency with low latency. Inspired SpiceDB, OpenFGA, and Ory Keto.
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google-internal papers zanzibar #2019