--- title: Concepts description: Theoretical foundations, architecture, and security models. weight: 10 --- Theoretical foundations, architecture, and security models for the Root infrastructure framework. {{% cards %}} {{< card link="principles" title="Infrastructure principles" icon="book-open" subtitle="Predictability, minimal dependencies, and decentralization." >}} {{< card link="architecture" title="Infrastructure architecture" icon="share" subtitle="Decentralized orchestration and deployment models." >}} {{< card link="security-model" title="Security & privilege isolation" icon="shield-check" subtitle="Privilege isolation and network hardening." >}} {{< card link="tiered-storage" title="Tiered storage model" icon="database" subtitle="Standardized storage classification for service data." >}} {{% /cards %}}