{
  "schema": "com.catellix.mvps.peering_geocausal_v1",
  "generated_at_utc": "2026-05-25T16:38:32.314532+00:00",
  "constants": {
    "c_vacuum_mps": 299792458.0,
    "n_fiber_g652": 1.467,
    "cable_detour_factor": 1.3,
    "bgp_floor_min_s": 60.0,
    "bgp_floor_max_s": 300.0
  },
  "pairs": [
    {
      "pair": "Mumbai <-> London",
      "great_circle_km": 7191.7,
      "estimated_fiber_km": 9349.2,
      "tau_causal_vacuum_ms": 47.98,
      "tau_causal_fiber_ms": 91.5,
      "mvps_floor_ms": 91.5,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 655.7,
      "speedup_vs_bgp_max": 3278.7
    },
    {
      "pair": "Sao Paulo <-> New York",
      "great_circle_km": 7685.6,
      "estimated_fiber_km": 9991.3,
      "tau_causal_vacuum_ms": 51.27,
      "tau_causal_fiber_ms": 97.78,
      "mvps_floor_ms": 97.78,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 613.6,
      "speedup_vs_bgp_max": 3068.0
    },
    {
      "pair": "Tokyo <-> Sydney",
      "great_circle_km": 7825.8,
      "estimated_fiber_km": 10173.6,
      "tau_causal_vacuum_ms": 52.21,
      "tau_causal_fiber_ms": 99.57,
      "mvps_floor_ms": 99.57,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 602.6,
      "speedup_vs_bgp_max": 3013.1
    },
    {
      "pair": "Cape Town <-> Frankfurt",
      "great_circle_km": 9393.5,
      "estimated_fiber_km": 12211.5,
      "tau_causal_vacuum_ms": 62.67,
      "tau_causal_fiber_ms": 119.51,
      "mvps_floor_ms": 119.51,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 502.0,
      "speedup_vs_bgp_max": 2510.2
    },
    {
      "pair": "Sao Paulo <-> London",
      "great_circle_km": 9497.4,
      "estimated_fiber_km": 12346.6,
      "tau_causal_vacuum_ms": 63.36,
      "tau_causal_fiber_ms": 120.83,
      "mvps_floor_ms": 120.83,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 496.6,
      "speedup_vs_bgp_max": 2482.8
    },
    {
      "pair": "Johannesburg <-> Stockholm",
      "great_circle_km": 9555.1,
      "estimated_fiber_km": 12421.6,
      "tau_causal_vacuum_ms": 63.74,
      "tau_causal_fiber_ms": 121.57,
      "mvps_floor_ms": 121.57,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 493.6,
      "speedup_vs_bgp_max": 2467.8
    },
    {
      "pair": "London <-> Tokyo",
      "great_circle_km": 9558.6,
      "estimated_fiber_km": 12426.1,
      "tau_causal_vacuum_ms": 63.77,
      "tau_causal_fiber_ms": 121.61,
      "mvps_floor_ms": 121.61,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 493.4,
      "speedup_vs_bgp_max": 2466.9
    },
    {
      "pair": "Sao Paulo <-> Frankfurt",
      "great_circle_km": 9829.3,
      "estimated_fiber_km": 12778.1,
      "tau_causal_vacuum_ms": 65.57,
      "tau_causal_fiber_ms": 125.06,
      "mvps_floor_ms": 125.06,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 479.8,
      "speedup_vs_bgp_max": 2398.9
    },
    {
      "pair": "Singapore <-> Frankfurt",
      "great_circle_km": 10258.0,
      "estimated_fiber_km": 13335.4,
      "tau_causal_vacuum_ms": 68.43,
      "tau_causal_fiber_ms": 130.51,
      "mvps_floor_ms": 130.51,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 459.7,
      "speedup_vs_bgp_max": 2298.7
    },
    {
      "pair": "New York <-> Tokyo",
      "great_circle_km": 10851.7,
      "estimated_fiber_km": 14107.3,
      "tau_causal_vacuum_ms": 72.39,
      "tau_causal_fiber_ms": 138.06,
      "mvps_floor_ms": 138.06,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 434.6,
      "speedup_vs_bgp_max": 2172.9
    },
    {
      "pair": "Sao Paulo <-> Sydney",
      "great_circle_km": 13357.2,
      "estimated_fiber_km": 17364.4,
      "tau_causal_vacuum_ms": 89.11,
      "tau_causal_fiber_ms": 169.94,
      "mvps_floor_ms": 169.94,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 353.1,
      "speedup_vs_bgp_max": 1765.3
    },
    {
      "pair": "Dubai <-> Los Angeles",
      "great_circle_km": 13390.5,
      "estimated_fiber_km": 17407.7,
      "tau_causal_vacuum_ms": 89.33,
      "tau_causal_fiber_ms": 170.36,
      "mvps_floor_ms": 170.36,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 352.2,
      "speedup_vs_bgp_max": 1760.9
    },
    {
      "pair": "Mumbai <-> Los Angeles",
      "great_circle_km": 13991.2,
      "estimated_fiber_km": 18188.5,
      "tau_causal_vacuum_ms": 93.34,
      "tau_causal_fiber_ms": 178.01,
      "mvps_floor_ms": 178.01,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 337.1,
      "speedup_vs_bgp_max": 1685.3
    },
    {
      "pair": "New York <-> Singapore",
      "great_circle_km": 15332.5,
      "estimated_fiber_km": 19932.2,
      "tau_causal_vacuum_ms": 102.29,
      "tau_causal_fiber_ms": 195.07,
      "mvps_floor_ms": 195.07,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 307.6,
      "speedup_vs_bgp_max": 1537.9
    },
    {
      "pair": "Stockholm <-> Sydney",
      "great_circle_km": 15596.2,
      "estimated_fiber_km": 20275.1,
      "tau_causal_vacuum_ms": 104.05,
      "tau_causal_fiber_ms": 198.43,
      "mvps_floor_ms": 198.43,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 302.4,
      "speedup_vs_bgp_max": 1511.9
    },
    {
      "pair": "Frankfurt <-> Sydney",
      "great_circle_km": 16482.9,
      "estimated_fiber_km": 21427.7,
      "tau_causal_vacuum_ms": 109.96,
      "tau_causal_fiber_ms": 209.71,
      "mvps_floor_ms": 209.71,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 286.1,
      "speedup_vs_bgp_max": 1430.6
    },
    {
      "pair": "London <-> Sydney",
      "great_circle_km": 16993.9,
      "estimated_fiber_km": 22092.1,
      "tau_causal_vacuum_ms": 113.37,
      "tau_causal_fiber_ms": 216.21,
      "mvps_floor_ms": 216.21,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 277.5,
      "speedup_vs_bgp_max": 1387.5
    },
    {
      "pair": "Seoul <-> Sao Paulo",
      "great_circle_km": 18342.0,
      "estimated_fiber_km": 23844.6,
      "tau_causal_vacuum_ms": 122.36,
      "tau_causal_fiber_ms": 233.36,
      "mvps_floor_ms": 233.36,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 257.1,
      "speedup_vs_bgp_max": 1285.6
    },
    {
      "pair": "Buenos Aires <-> Tokyo",
      "great_circle_km": 18373.4,
      "estimated_fiber_km": 23885.5,
      "tau_causal_vacuum_ms": 122.57,
      "tau_causal_fiber_ms": 233.76,
      "mvps_floor_ms": 233.76,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 256.7,
      "speedup_vs_bgp_max": 1283.4
    },
    {
      "pair": "Sao Paulo <-> Tokyo",
      "great_circle_km": 18537.2,
      "estimated_fiber_km": 24098.4,
      "tau_causal_vacuum_ms": 123.67,
      "tau_causal_fiber_ms": 235.85,
      "mvps_floor_ms": 235.85,
      "bgp_floor_min_ms": 60000.0,
      "bgp_floor_max_ms": 300000.0,
      "speedup_vs_bgp_min": 254.4,
      "speedup_vs_bgp_max": 1272.0
    }
  ],
  "summary": {
    "n_pairs": 20,
    "min_distance_km": 7191.7,
    "max_distance_km": 18537.2,
    "mean_speedup_vs_bgp_min": 410.8,
    "mean_speedup_vs_bgp_max": 2053.9,
    "interpretation": "For every city pair on the public Internet today, the MVPS reactive floor (causality-bound, fiber-c with 1.3\u00d7 cable detour) is 60-300 s / \u03c4_causal_fiber lower than the classical-Internet BGP \u03c4_sampling floor.  This is the geographically resolved version of the antipodal 1220\u00d7 headline number from D-9 PCF."
  }
}