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let optimalRoute = null; let minLatency = Infinity; routes.forEach(route => { let currentLatency = calculateLatency(route); let packetLoss = measurePacketLoss(route); let bandwidth = availableBandwidth(route); if(isOptimal(currentLatency, packetLoss, bandwidth)) { minLatency = currentLatency; optimalRoute = route; } }); return optimalRoute; } \u6027\u80fd\u4f18\u5316\u673a\u5236 CN2\u7684\u7f51\u7edc\u67b6\u6784\u5b9e\u65bd\u4e86\u9488\u5bf9\u8de8\u5883\u6d41\u91cf\u4f18\u5316\u7684\u9ad8\u7ea7BGP(\u8fb9\u754c\u7f51\u5173\u534f\u8bae)\u8def\u7531\u3002\u8be5\u57fa\u7840\u8bbe\u65bd\u5229\u7528sophisticated\u6d41\u91cf\u5de5\u7a0b\u6280\u672f,\u5305\u62ec\uff1a \u4fdd\u8bc1\u7f8e\u56fd\u548c\u4e2d\u56fd\u4e3b\u8981\u90fd\u5e02\u533a\u4e4b\u95f4\u7684\u5ef6\u8fdf\u4f4e\u4e8e100\u6beb\u79d2 […]<\/p>\nCN2\u67b6\u6784\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n
\r\n\/\/ CN2\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u4f2a\u4ee3\u7801\r\nfunction selectOptimalRoute(source, destination) {\r\n let routes = getAllPossibleRoutes(source, destination);\r\n let optimalRoute = null;\r\n let minLatency = Infinity;\r\n \r\n routes.forEach(route => {\r\n let currentLatency = calculateLatency(route);\r\n let packetLoss = measurePacketLoss(route);\r\n let bandwidth = availableBandwidth(route);\r\n \r\n if(isOptimal(currentLatency, packetLoss, bandwidth)) {\r\n minLatency = currentLatency;\r\n optimalRoute = route;\r\n }\r\n });\r\n \r\n return optimalRoute;\r\n}\r\n<\/code><\/pre>\n\u6027\u80fd\u4f18\u5316\u673a\u5236<\/strong><\/h2>\n
\n
\u4f01\u4e1a\u90e8\u7f72\u7b56\u7565<\/strong><\/h2>\n
\r\n# \u7f51\u7edc\u914d\u7f6e\u6a21\u677f\r\ninterface GigabitEthernet0\/0\r\n description CN2_UPLINK\r\n ip address [CN2_IP] [SUBNET_MASK]\r\n qos-group 1\r\n service-policy output CN2-POLICY\r\n no ip unreachables\r\n duplex full\r\n speed auto\r\n negotiation auto\r\n\r\nclass-map match-any PREMIUM-TRAFFIC\r\n match qos-group 1\r\n match protocol https\r\n match dscp ef\r\n match precedence 5\r\n\r\npolicy-map CN2-POLICY\r\n class PREMIUM-TRAFFIC\r\n priority percent 50\r\n police rate 500000000\r\n<\/code><\/pre>\n\u6027\u80fd\u76d1\u63a7\u6846\u67b6<\/strong><\/h2>\n
\r\n{\r\n \"monitoring_stack\": {\r\n \"metrics\": [\r\n \"latency\",\r\n \"packet_loss\",\r\n \"jitter\",\r\n \"bandwidth_utilization\",\r\n \"route_stability\",\r\n \"tcp_retransmission_rate\"\r\n ],\r\n \"collection_interval\": \"30s\",\r\n \"retention_period\": \"90d\",\r\n \"alerting_threshold\": {\r\n \"latency_ms\": 100,\r\n \"packet_loss_percent\": 0.5,\r\n \"jitter_ms\": 15,\r\n \"bandwidth_threshold\": 0.85\r\n },\r\n \"analytics\": {\r\n \"machine_learning\": true,\r\n \"anomaly_detection\": true,\r\n \"trend_analysis\": true\r\n }\r\n }\r\n}\r\n<\/code><\/pre>\n\u5b89\u5168\u5b9e\u65bd<\/strong><\/h2>\n
\n
\u6280\u672f\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n
\r\n# \u6027\u80fd\u8c03\u4f18\u53c2\u6570\r\nnet.ipv4.tcp_congestion_control = bbr\r\nnet.core.rmem_max = 16777216\r\nnet.core.wmem_max = 16777216\r\nnet.ipv4.tcp_rmem = 4096 87380 16777216\r\nnet.ipv4.tcp_wmem = 4096 87380 16777216\r\nnet.core.netdev_max_backlog = 30000\r\nnet.ipv4.tcp_max_syn_backlog = 8192\r\nnet.ipv4.tcp_slow_start_after_idle = 0\r\n<\/code><\/pre>\n\u672a\u6765\u53d1\u5c55<\/strong><\/h2>\n
\n