# 钉钉专属通道（UDP 8000-9000端口）iptables -t mangle -A PREROUTING -p udp -m multiport --dports 8000:9000 -j MARK --set-mark 1ip rule add fwmark 1 table 100# 阿里云业务网段动态优选route add -net 121.40.0.0/16 gw 10.8.0.1 metric 5route add -net 118.178.0.0/16 gw 10.8.0.1 metric 5  # 新增钉钉网段# 智利本地流量分流route add -net 54.192.0.0/16 gw 192.168.100.1 metric 1  # 亚马逊CDN直连

# 智能带宽调度算法（根据车厘子产季调整）def adjust_bandwidth(month):
    if month in [11, 12, 1]:  # 产季高峰期
        enable_turbo_mode(bandwidth='50M')  # 开启加速模式
        set_route_priority('ERP', level=9) 
    else:                     # 淡季
        throttle_bandwidth(base='10M')      # 基础带宽模式
        set_route_priority('ERP', level=5)

location ~* \.(jpg|png|css|js)$ {
    expires 30d;
    add_header Cache-Control "public";
    proxy_pass https://santiago-cdn;  # 智利本地CDN}location /api {
    proxy_pass https://hangzhou-vpc;  # 直连杭州VPC
    proxy_http_version 1.1;
    keepalive_timeout 30s;}

# TC流量整形（保障视频会议）tc qdisc add dev eth0 root handle 1: htb default 20tc class add dev eth0 parent 1: classid 1:10 htb rate 3mbit ceil 5mbit prio 0  # 钉钉专属通道tc filter add dev eth0 protocol ip parent 1:0 u32 match ip dport 8000:9000 0xffff flowid 1:10

# 成本超限自动熔断def cost_control(current_spend):
    if current_spend > daily_budget * 0.8:
        switch_to(fallback_mode)  # 切换至备用廉价线路
        send_alert("今日通信费用已达阈值！")