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Layer 15 of 20

Ecosystem & Multi-Tenancy

Partner ecosystem and tenant model: isolation, quotas, billing surfaces, extension points, and governance per tenant.

Responsibilities

  • Provide tenant isolation, quotas, and extension points for partners.
  • Define billing surfaces and governance per tenant.
  • Support safe customization without compromising the core platform.

Key interfaces

  • Tenant identifiers and isolation boundaries across data and compute.
  • Quota/budget APIs and enforcement policy.
  • Extension/plugin contracts and permissions.

Operational signals

These are the measurements that tell you whether this layer is healthy in production.

  • Per-tenant resource usage and quota consumption.
  • Cross-tenant data access violations (must be zero).
  • Partner integration health and error rates.

Failure modes

  • Tenant data leakage from missing scoping.
  • Noisy neighbor behavior without quotas.
  • Untrusted plugins executing privileged actions.

Production readiness checklist

  • Enforce tenant scoping in storage and service layers.
  • Implement quotas with clear errors and dashboards.
  • Use permissioned extension points and strict sandboxing.
Ecosystem & Multi-Tenancy — HOWFAR Architecture — HOWFAR