Tag: #rebac
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 2 posts
The Evolution of Authorization Models — RBAC, ABAC, ReBAC, and OpenFGA/Zanzibar
Once authentication is solved, the next battleground is authorization. We trace the evolution of authorization models from RBAC role explosion through ABAC policy complexity to the ReBAC paradigm introduced by Google Zan
2026-06-12 · 15 min read #authorization#rbac#rebac#openfga#zanzibarFine-grained Authorization (FGA) Systems in 2026 — Zanzibar, SpiceDB, Permify, OpenFGA, Cerbos, Cedar, Oso Deep Dive
Authorization no longer ends with one line of "if user.role == admin". Since Google's Zanzibar paper rewrote the industry's mental model, 2026 has more than a dozen FGA engines fighting it out — SpiceDB, OpenFGA (Auth0/O
2026-05-25 · 19 min read #authorization#fga#zanzibar#spicedb#permify