M2M OAuth Isolation Architecture
Machine-to-Machine OAuth 2.0 client-credentials flow with strict isolation boundaries, short-lived tokens, and zero human interaction. Designed for enterprise service meshes and sovereign cloud environments.
Key Design Principles
- Dedicated service identities (no shared user credentials)
- Audience-restricted tokens + strict scope enforcement
- Token exchange isolation between trust domains
- Automated rotation and revocation hooks
- Audit-ready telemetry via SevOne / watsonx patterns