arXiv Machine Learning By Mahmoud S. Mayaleh, Fetia Bannour, Nour-El-Houda Yellas

ORION: An Outcome-Driven LLM Advisor for RL-Based Multi-Domain 6G Slice Placement

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The paper introduces ORION, a hierarchical orchestrator that uses two LLM agents to translate service intents into structured requests and generate abstract placement plans for 6G network slices across multiple administrative domains. A cooperative multi‑agent RL coordinator then selects cross‑domain partitions, treating the plan as a persistent soft prior, while per‑domain agents place the functions. ORION’s key contribution is an outcome‑driven episodic memory that records network‑condition profiles, proposed plans, and verified feasibility outcomes, feeding this information back to the planner to improve admission rates by 4.6–11.5 percentage points over a planner without memory.

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