QUIC / HTTP3 与 UDP QoS 限速阻断机制：为什么主流翻墙协议依然恪守 TCP 底层

[ 路线 A: 激进 UDP 协议 (Hysteria / TUIC / QUIC 暴力重传) ]
  境外 UDP 流量洪峰 ──> [ 运营商骨干网 QoS 流量整形设备 ]
                          │ (检测到非知名端口海量 UDP 数据报)
                          ▼
  触发激进丢包惩罚策略 ──> 随机丢弃 50%~80% UDP 包 / 直接黑洞封禁端口!

[ 路线 B: 闪电鼠 VLESS Reality + Vision 流控 (坚守 TCP 工业标准) ]
  TCP + TLS 1.3 握手 ──> 完全伪装为标准 HTTPS 流量 (与访问苹果官网完全一致)
                          │ (运营商白名单优先级，不触发 UDP QoS)
                          ▼
  顺畅穿透骨干网 ──> 配合 IEPL 专线 ──> 24 小时全天候恒定 0 丢包可用

{
  "carrier_qos_behavior_analysis": {
    "protocol_udp_custom_ports": {
      "daytime_performance": "High throughput (Aggressive retransmission)",
      "peakhour_behavior": "Severe QoS Dropping (Packet loss up to 60%)",
      "isp_action": "Port blackholing if continuous high-bandwidth UDP detected"
    },
    "protocol_tcp_tls_reality": {
      "daytime_performance": "Full gigabit wire-speed",
      "peakhour_behavior": "Zero dropping (Protected by IEPL private tunnel)",
      "isp_action": "Treated as standard compliant HTTPS traffic"
    }
  }
}