Agentic AI Reference Architecture

Orchestration · Software component

Hybrid Transition Router

Software componentOrchestrationOrchestration & Toolsarc:HybridTransitionRouter

A transition router in which LLM reasoning proposes the next operation within bounds enforced by explicit rules.

Responsibility. Chooses the next workflow operation by rule-constrained LLM reasoning.

Variant of Transition Router abstract

When to choose. Choose when LLM reasoning about the next step must be constrained by explicit rules.

invokesalternative tospecializesalternative toLLM Inference Service: invokesLLM Inference ServiceRule-Based Transition Router: alternative toRule-Based Transition Ro…Transition Router: specializesTransition RouterLLM Transition Router: alternative toLLM Transition Router
Direct neighbourhood (hover for relationship types)

Relationships

invokes dependency

alternative to variability

Classification

Quality attributes
Flexibility (ISO/IEC 25010)Reliability (ISO/IEC 25010 | NIST AI RMF: valid and reliable)

Sources

  1. Ch1.5A: T. Nguyen, "Stateful Orchestration - Introduction and Core Concepts," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 1.5A. ISBN: 9798244538229.