# TCP chain: 4-node linear topology, all TCP transport
#
# Tests basic TCP transport connectivity, spanning tree convergence,
# and multi-hop routing over TCP links.
#
# Topology:
#
#   n01 ---tcp--- n02 ---tcp--- n03 ---tcp--- n04

scenario:
  name: "tcp-chain"
  seed: 42
  duration_secs: 90

topology:
  algorithm: explicit
  num_nodes: 4
  default_transport: tcp
  params:
    adjacency:
      - [n01, n02]
      - [n02, n03]
      - [n03, n04]

netem:
  enabled: true
  default_policy:
    delay_ms: [1, 5]
    jitter_ms: [0, 1]
    loss_pct: [0, 0.5]

link_flaps:
  enabled: false

traffic:
  enabled: false

logging:
  rust_log: "info"
  output_dir: "./sim-results"