- GARRO35.7 ms
- Hedera36.2 ms
- ECMP (hash)64.6 ms
- OSPF80.5 ms
- ECMP-Detour118.8 ms
- Random123.4 ms
Fat-Tree data-centre network (k=4, 20 switches, 32 links).
Machine Learning & Networking
GARRO
Graph Attention Routing with Reinforcement Learning
A Graph Attention Network and PPO agent that optimises network path selection for latency, throughput and packet loss on live Mininet emulation.
- lower path latency than OSPF
- 55%
- lower path latency than ECMP
- 45%
- lower packet loss than OSPF
- 14.6×
- Python
- PyTorch Geometric
- Reinforcement Learning (PPO)
- Mininet
- OS-Ken
- OpenFlow 1.3
- +2 more




