Agentic AI Reference Architecture

Orchestration · Data store

Fallback Work Queue

Data storeOrchestrationOrchestration & Toolsarc:FallbackWorkQueue

A queue holding work items the orchestrator could not complete (e.g., after an agent failure) for deferred or manual handling.

Responsibility. Holds failed work items for deferred handling.

Also known as: Fallback queue, Manual review queue, Ingestion retry queue

is written byis written byIngestion Pipeline Orchestrator: is written byIngestion Pipeline Orche…Supervisor Agent: is written bySupervisor Agent
Direct neighbourhood (hover for relationship types)

Relationships

is written by dependency

Classification

Risks mitigated
Silent failureTotal service outage

Sources

  1. Ch1.3: T. Nguyen, "Multi-Agent Systems," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 1.3. ISBN: 9798244538229.
  2. Ch6.5: T. Nguyen, "Production RAG Systems," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 6.5. ISBN: 9798244538229.