{
    "run_id":  "2026-07-24-092646-rakuten-two-client-fairness",
    "started_at":  "2026-07-24T10:05:38.2637724+09:00",
    "ended_at":  "2026-07-24T10:08:37.4482884+09:00",
    "experiment_signature":  "rwfp2c|two-client-download-fairness|iv=active-clients:pc-only,android-only,pc+android|clients=windows-pc+sh41a-android12-wifi|endpoint=cloudflare-down|bytes=10000000-per-active-client|reps=3|order=latin-square|metrics=throughput-retention+aggregate-throughput+normalized-jain-fairness",
    "independent_variable":  {
                                 "name":  "active client condition",
                                 "levels":  [
                                                "pc_only",
                                                "android_only",
                                                "pc_android_simultaneous"
                                            ]
                             },
    "design":  {
                   "bytes_per_active_client":  10000000,
                   "repetitions":  3,
                   "rest_seconds":  15,
                   "order":  [
                                 "pc_only -\u003e android_only -\u003e pc_android_simultaneous",
                                 "android_only -\u003e pc_android_simultaneous -\u003e pc_only",
                                 "pc_android_simultaneous -\u003e pc_only -\u003e android_only"
                             ],
                   "planned_payload_bytes":  120000000,
                   "adopted_payload_bytes":  120000000,
                   "all_attempts_recorded_payload_bytes":  120000000,
                   "excluded_attempts_recorded_payload_bytes":  0
               },
    "throughput_mbps":  {
                            "pc_solo":  {
                                            "count":  3,
                                            "median":  26.533,
                                            "minimum":  24.916,
                                            "maximum":  27.508
                                        },
                            "android_solo":  {
                                                 "count":  3,
                                                 "median":  24.989,
                                                 "minimum":  19.752,
                                                 "maximum":  27.391
                                             },
                            "pc_simultaneous":  {
                                                    "count":  3,
                                                    "median":  13.872,
                                                    "minimum":  13.509,
                                                    "maximum":  15.872
                                                },
                            "android_simultaneous":  {
                                                         "count":  3,
                                                         "median":  17.106,
                                                         "minimum":  16.286,
                                                         "maximum":  19.235
                                                     },
                            "simultaneous_aggregate":  {
                                                           "count":  3,
                                                           "median":  27.372,
                                                           "minimum":  26.663,
                                                           "maximum":  31.286
                                                       }
                        },
    "retention_ratio":  {
                            "pc":  {
                                       "count":  3,
                                       "median":  0.523,
                                       "minimum":  0.509,
                                       "maximum":  0.598
                                   },
                            "android":  {
                                            "count":  3,
                                            "median":  0.684,
                                            "minimum":  0.652,
                                            "maximum":  0.77
                                        }
                        },
    "normalized_jain_fairness":  {
                                     "count":  3,
                                     "median":  0.988,
                                     "minimum":  0.96,
                                     "maximum":  0.996
                                 },
    "simultaneous_trials":  [
                                {
                                    "block":  1,
                                    "attempt":  1,
                                    "start_order":  "pc_first",
                                    "start_skew_ms":  12.039,
                                    "pc_mbps":  15.872,
                                    "android_mbps":  17.106,
                                    "pc_retention_ratio":  0.5982,
                                    "android_retention_ratio":  0.6845,
                                    "aggregate_mbps":  31.286,
                                    "normalized_jain_fairness":  0.9955
                                },
                                {
                                    "block":  2,
                                    "attempt":  1,
                                    "start_order":  "android_first",
                                    "start_skew_ms":  6.421,
                                    "pc_mbps":  13.872,
                                    "android_mbps":  16.286,
                                    "pc_retention_ratio":  0.5228,
                                    "android_retention_ratio":  0.6517,
                                    "aggregate_mbps":  27.372,
                                    "normalized_jain_fairness":  0.9881
                                },
                                {
                                    "block":  3,
                                    "attempt":  1,
                                    "start_order":  "pc_first",
                                    "start_skew_ms":  13.876,
                                    "pc_mbps":  13.509,
                                    "android_mbps":  19.235,
                                    "pc_retention_ratio":  0.5091,
                                    "android_retention_ratio":  0.7697,
                                    "aggregate_mbps":  26.663,
                                    "normalized_jain_fairness":  0.9601
                                }
                            ],
    "adopted_trials":  [
                           {
                               "block":  1,
                               "condition":  "pc_only",
                               "attempt":  1,
                               "start_order":  "pc_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  2.908256,
                                                   "mbps":  27.508,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           },
                           {
                               "block":  1,
                               "condition":  "android_only",
                               "attempt":  1,
                               "start_order":  "android_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  3.201358,
                                                   "mbps":  24.989,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           },
                           {
                               "block":  1,
                               "condition":  "pc_android_simultaneous",
                               "attempt":  1,
                               "start_order":  "pc_first",
                               "start_skew_ms":  12.039,
                               "clients":  [
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  5.040441,
                                                   "mbps":  15.872,
                                                   "success":  true
                                               },
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  4.676706,
                                                   "mbps":  17.106,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  5.11417,
                               "simultaneous_aggregate_mbps":  31.286
                           },
                           {
                               "block":  2,
                               "condition":  "android_only",
                               "attempt":  1,
                               "start_order":  "android_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  2.920685,
                                                   "mbps":  27.391,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           },
                           {
                               "block":  2,
                               "condition":  "pc_android_simultaneous",
                               "attempt":  1,
                               "start_order":  "android_first",
                               "start_skew_ms":  6.421,
                               "clients":  [
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  4.91215,
                                                   "mbps":  16.286,
                                                   "success":  true
                                               },
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  5.76722,
                                                   "mbps":  13.872,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  5.845443,
                               "simultaneous_aggregate_mbps":  27.372
                           },
                           {
                               "block":  2,
                               "condition":  "pc_only",
                               "attempt":  1,
                               "start_order":  "pc_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  3.210766,
                                                   "mbps":  24.916,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           },
                           {
                               "block":  3,
                               "condition":  "pc_android_simultaneous",
                               "attempt":  1,
                               "start_order":  "pc_first",
                               "start_skew_ms":  13.876,
                               "clients":  [
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  5.921866,
                                                   "mbps":  13.509,
                                                   "success":  true
                                               },
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  4.159054,
                                                   "mbps":  19.235,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  6.000824,
                               "simultaneous_aggregate_mbps":  26.663
                           },
                           {
                               "block":  3,
                               "condition":  "pc_only",
                               "attempt":  1,
                               "start_order":  "pc_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "pc",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  3.015077,
                                                   "mbps":  26.533,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           },
                           {
                               "block":  3,
                               "condition":  "android_only",
                               "attempt":  1,
                               "start_order":  "android_only",
                               "start_skew_ms":  null,
                               "clients":  [
                                               {
                                                   "client":  "android",
                                                   "http_status":  "200",
                                                   "transferred_bytes":  10000000,
                                                   "seconds":  4.050226,
                                                   "mbps":  19.752,
                                                   "success":  true
                                               }
                                           ],
                               "simultaneous_wall_seconds":  null,
                               "simultaneous_aggregate_mbps":  null
                           }
                       ],
    "excluded_trials":  [

                        ],
    "quality_gate":  {
                         "expected_repetitions_per_condition":  3,
                         "condition_counts_pass":  true,
                         "http_200_and_exact_bytes_pass":  true,
                         "simultaneous_start_skew_pass":  true,
                         "statistics_available":  true,
                         "measurement_aborted":  false,
                         "measurement_quality_gate_pass":  true
                     },
    "nearest_existing_experiment":  {
                                        "description":  "Four simultaneous HTTP streams from one Windows PC",
                                        "difference":  "This run changes the number of physical Wi-Fi clients from one to two and measures each client allocation, retention, aggregate throughput, and normalized fairness."
                                    },
    "publication_rule":  "This summary covers only the measurement gate. Photo, video, duplication, search-intent, and public-page gates must pass separately."
}