{
  "replicates": 10,
  "topologies": [
    "barabasi_albert",
    "watts_strogatz",
    "erdos_renyi",
    "waxman",
    "fat_tree"
  ],
  "sizes": [
    32,
    64,
    128,
    256
  ],
  "traffic_profiles": [
    "poisson",
    "microburst",
    "sustained"
  ],
  "load_levels": [
    "light",
    "moderate",
    "heavy"
  ],
  "dynamics_levels": [
    "static",
    "moderate",
    "severe"
  ],
  "routers": [
    "potential",
    "potential_split",
    "potential_static",
    "shortest_path",
    "ecmp",
    "adaptive_shortest_path"
  ],
  "seed": 2026,
  "shard_episodes": 40,
  "field_budget_bytes": 1000000,
  "steps": 1000,
  "buffer_size": 256,
  "mean_degree": 6,
  "capacity_range": [
    8,
    80
  ],
  "latency_range": [
    1,
    10
  ],
  "fat_tree_capacity": 40,
  "flows_per_endpoint": 2,
  "tracked_flows": 8,
  "source_injection": 1.0,
  "background_injection": 0.5,
  "congestion_gain": 2.0
}