{"id":26790,"date":"2025-11-05T13:59:07","date_gmt":"2025-11-05T05:59:07","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/how-to-reduce-high-ping-and-latency-for-japan-servers\/"},"modified":"2025-11-05T14:05:52","modified_gmt":"2025-11-05T06:05:52","slug":"how-to-reduce-high-ping-and-latency-for-japan-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-to-reduce-high-ping-and-latency-for-japan-servers\/","title":{"rendered":"\u5982\u4f55\u964d\u4f4e\u65e5\u672c\u4f3a\u670d\u5668\u7684\u9ad8Ping\u503c\u548c\u5ef6\u9072"},"content":{"rendered":"<p>\u5c0d\u65bc\u4f7f\u7528<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u65e5\u672c\u4f3a\u670d\u5668<\/a>\u7684\u6280\u8853\u5c08\u696d\u4eba\u54e1\u4f86\u8aaa\uff0c<a href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-to-diagnose-network-latency-using-ping-analysis\/\" target=\"_blank\">\u9ad8ping\u503c<\/a>\u548c\u5ef6\u9072\u554f\u984c\u6703\u986f\u8457\u5f71\u97ff\u61c9\u7528\u7a0b\u5f0f\u6548\u80fd\u548c\u4f7f\u7528\u8005\u9ad4\u9a57\u3002\u672c\u7d9c\u5408\u6307\u5357\u63a2\u8a0e\u4e86\u5728\u4f7f\u7528\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u670d\u52d9\u6642\uff0c\u512a\u5316\u4f3a\u670d\u5668\u9023\u63a5\u548c\u964d\u4f4e\u7db2\u8def\u5ef6\u9072\u7684\u9032\u968e\u6280\u8853\u3002<\/p>\n<h2><strong>\u7406\u89e3Ping\u503c\u548c\u5ef6\u9072\u6307\u6a19<\/strong><\/h2>\n<p>Ping\u503c\u4ee3\u8868\u5ba2\u6236\u7aef\u8207\u65e5\u672c\u4f3a\u670d\u5668\u4e4b\u9593\u8cc7\u6599\u5305\u7684\u5f80\u8fd4\u6642\u9593\uff08RTT\uff09\u3002\u5f9e\u6280\u8853\u89d2\u5ea6\u4f86\u8aaa\uff0c\u5b83\u4ee5\u6beb\u79d2\uff08ms\uff09\u70ba\u55ae\u4f4d\u8a08\u91cf\uff0c\u662f\u7db2\u8def\u6548\u80fd\u7684\u91cd\u8981\u6307\u6a19\u3002\u5728\u4f7f\u7528\u65e5\u672c\u4f3a\u670d\u5668\u6642\uff0c\u53ef\u63a5\u53d7\u7684ping\u503c\u901a\u5e38\u572850-150ms\u4e4b\u9593\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u60a8\u7684\u5730\u7406\u4f4d\u7f6e\u3002<\/p>\n<ul>\n<li>Ping\u503c < 50ms\uff1a\u6975\u4f73\u9023\u63a5\uff08\u901a\u5e38\u5728\u6771\u4e9e\u5730\u5340\u53ef\u9054\u5230\uff09<\/li>\n<li>Ping\u503c 50-100ms\uff1a\u826f\u597d\u6548\u80fd\uff08\u6771\u5357\u4e9e\u5730\u5340\u5e38\u898b\uff09<\/li>\n<li>Ping\u503c 100-150ms\uff1a\u53ef\u63a5\u53d7\u7bc4\u570d\uff08\u7f8e\u570b\u897f\u6d77\u5cb8\u5178\u578b\u503c\uff09<\/li>\n<li>Ping\u503c > 150ms\uff1a\u9700\u8981\u512a\u5316\uff08\u6b50\u6d32\/\u7f8e\u570b\u6771\u6d77\u5cb8\u5e38\u898b\uff09<\/li>\n<\/ul>\n<h2><strong>\u9ad8\u5ef6\u9072\u7684\u6839\u672c\u539f\u56e0<\/strong><\/h2>\n<p>\u7406\u89e3\u5c0e\u81f4\u9ad8\u5ef6\u9072\u7684\u6280\u8853\u56e0\u7d20\u5c0d\u5be6\u65bd\u6709\u6548\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li>\u7269\u7406\u8ddd\u96e2\uff1a\u5149\u7e96\u96fb\u7e9c\u4e2d\u7684\u5149\u901f\u9650\u5236<\/li>\n<li>\u7db2\u8def\u64c1\u585e\uff1a\u5c16\u5cf0\u6642\u6bb5\u8def\u7531\u904e\u5ea6\u98fd\u548c<\/li>\n<li>\u8def\u7531\u6548\u7387\u4f4e\u4e0b\uff1a\u6b21\u512aBGP\u8def\u5f91<\/li>\n<li>\u4f3a\u670d\u5668\u914d\u7f6e\uff1aTCP\/IP\u5354\u5b9a\u5806\u758a\u8a2d\u5b9a\u4e0d\u7576<\/li>\n<li>DNS\u89e3\u6790\uff1aDNS\u4f3a\u670d\u5668\u901f\u5ea6\u6162\u6216\u8ddd\u96e2\u9060<\/li>\n<\/ul>\n<h2><strong>\u9032\u968e\u7db2\u8def\u512a\u5316\u6280\u8853<\/strong><\/h2>\n<p>\u5be6\u65bd\u4ee5\u4e0b\u6280\u8853\u512a\u5316\u53ef\u986f\u8457\u6539\u5584\u60a8\u8207\u65e5\u672c\u4f3a\u670d\u5668\u7684\u9023\u63a5\uff1a<\/p>\n<h3>1. BGP\u8def\u7531\u512a\u5316<\/h3>\n<p>\u7406\u89e3\u548c\u512a\u5316\u908a\u754c\u9598\u9053\u5354\u5b9a\uff08BGP\uff09\u8def\u7531\u5c0d\u5be6\u73fe\u4f4e\u5ef6\u9072\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li>\u70ba\u591a\u500b\u4f3a\u670d\u5668\u4f4d\u7f6e\u5be6\u65bdBGP\u4efb\u64ad\u8def\u7531<\/li>\n<li>\u4f7f\u7528BGP\u793e\u7fa4\u5f71\u97ff\u8def\u5f91\u9078\u64c7<\/li>\n<li>\u76e3\u63a7AS\u8def\u5f91\u9577\u5ea6\u4e26\u512a\u5316\u8def\u7531\u7b56\u7565<\/li>\n<li>\u90e8\u7f72\u8def\u7531\u53cd\u5c04\u5668\u4ee5\u6539\u5584\u8def\u5f91\u6536\u6582<\/li>\n<\/ul>\n<h3>2. TCP\u5354\u5b9a\u5806\u758a\u8abf\u512a<\/h3>\n<p>\u5fae\u8abfTCP\/IP\u5354\u5b9a\u5806\u758a\u53c3\u6578\u4ee5\u7372\u5f97\u6700\u4f73\u6548\u80fd\uff1a<\/p>\n<ol>\n<li>\u8abf\u6574TCP\u8996\u7a97\u5927\u5c0f\uff1a<br \/>\n        <code>net.ipv4.tcp_wmem = 4096 87380 16777216<\/code><br \/>\n        <code>net.ipv4.tcp_rmem = 4096 87380 16777216<\/code>\n    <\/li>\n<li>\u555f\u7528TCP BBR\u64c1\u585e\u63a7\u5236\uff1a<br \/>\n        <code>net.core.default_qdisc=fq<\/code><br \/>\n        <code>net.ipv4.tcp_congestion_control=bbr<\/code>\n    <\/li>\n<li>\u512a\u5316TCP\u4fdd\u6d3b\u8a2d\u5b9a\uff1a<br \/>\n        <code>net.ipv4.tcp_keepalive_time = 60<\/code><br \/>\n        <code>net.ipv4.tcp_keepalive_intvl = 10<\/code>\n    <\/li>\n<\/ol>\n<h2><strong>CDN\u5be6\u65bd\u7b56\u7565<\/strong><\/h2>\n<p>\u6709\u6548\u5229\u7528\u5167\u5bb9\u50b3\u905e\u7db2\u8def\uff08CDN\uff09\u9700\u8981\u4ed4\u7d30\u898f\u5283\uff1a<\/p>\n<ul>\n<li>\u5728\u4e9e\u6d32\u6230\u7565\u4f4d\u7f6e\u90e8\u7f72\u908a\u7de3\u4f3a\u670d\u5668<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u5feb\u53d6\u63a7\u5236\u6a19\u982d\u5be6\u73fe\u52d5\u614b\u5167\u5bb9\u5feb\u53d6<\/li>\n<li>\u4f7f\u7528HTTP\/3\u548cQUIC\u5354\u5b9a\u63d0\u5347\u6548\u80fd<\/li>\n<li>\u70ba\u975c\u614b\u8cc7\u6e90\u555f\u7528Brotli\u58d3\u7e2e<\/li>\n<\/ul>\n<h3>\u9032\u968eCDN\u914d\u7f6e<\/h3>\n<p>\u4f7f\u7528\u9019\u4e9b\u6280\u8853\u53c3\u6578\u512a\u5316\u60a8\u7684CDN\u8a2d\u5b9a\uff1a<\/p>\n<ol>\n<li>\u5728\u65e5\u672c\u8cc7\u6599\u4e2d\u5fc3\u9644\u8fd1\u914d\u7f6e\u6e90\u7ad9\u9632\u8b77\u4f4d\u7f6e<\/li>\n<li>\u57fa\u65bc\u5373\u6642\u5ef6\u9072\u6578\u64da\u5be6\u65bd\u667a\u6167\u8def\u7531\u6f14\u7b97\u6cd5<\/li>\n<li>\u555f\u7528TLS 1.3\u76840-RTT\u529f\u80fd\u4ee5\u6e1b\u5c11\u63e1\u624b\u5ef6\u9072<\/li>\n<li>\u4f7f\u7528\u5feb\u53d6\u6a19\u7c64\u8a2d\u5b9a\u9069\u7576\u7684\u5feb\u53d6\u6e05\u9664\u6a5f\u5236<\/li>\n<\/ol>\n<h2><strong>\u4f3a\u670d\u5668\u7aef\u6548\u80fd\u512a\u5316<\/strong><\/h2>\n<p>\u5728\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u5be6\u65bd\u7a69\u5065\u7684\u4f3a\u670d\u5668\u7aef\u512a\u5316\u5c0d\u964d\u4f4e\u5ef6\u9072\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<h3>\u6838\u5fc3\u7d1a\u8abf\u512a<\/h3>\n<ol>\n<li>\u7db2\u8def\u7de9\u885d\u5340\u512a\u5316\uff1a<br \/>\n        <code>net.core.rmem_max = 16777216<\/code><br \/>\n        <code>net.core.wmem_max = 16777216<\/code>\n    <\/li>\n<li>IRQ\u5e73\u8861\u914d\u7f6e\uff1a<br \/>\n        <code>sysctl -w net.core.netdev_budget=600<\/code><br \/>\n        <code>echo 2 > \/proc\/irq\/default_smp_affinity<\/code>\n    <\/li>\n<\/ol>\n<h3>\u7db2\u8def\u4ecb\u9762\u914d\u7f6e<\/h3>\n<ul>\n<li>\u5728\u76f8\u5bb9\u7db2\u8def\u4e0a\u555f\u7528\u5de8\u578b\u6846\u67b6\uff08MTU 9000\uff09<\/li>\n<li>\u5be6\u65bd\u7db2\u8def\u4ecb\u9762\u7d81\u5b9a\u4ee5\u5be6\u73fe\u5197\u9918<\/li>\n<li>\u70ba\u591a\u6838\u5fc3\u7cfb\u7d71\u914d\u7f6eRSS\uff08\u63a5\u6536\u7aef\u5206\u6d41\uff09<\/li>\n<li>\u512a\u5316\u4e2d\u65b7\u805a\u5408\u8a2d\u5b9a<\/li>\n<\/ul>\n<h2><strong>DNS\u512a\u5316\u7b56\u7565<\/strong><\/h2>\n<p>\u6b63\u78ba\u7684DNS\u914d\u7f6e\u53ef\u986f\u8457\u6e1b\u5c11\u9023\u63a5\u5efa\u7acb\u6642\u9593\uff1a<\/p>\n<ol>\n<li>\u5be6\u65bdDNS\u9810\u7372\u53d6\uff1a<br \/>\n        <code>&lt;link rel=\"dns-prefetch\" href=\"\/\/your-japanese-domain.jp\"&gt;<\/code>\n    <\/li>\n<li>\u5728\u65e5\u672c\u90e8\u7f72\u672c\u5730DNS\u89e3\u6790\u5668\uff1a\n<ul>\n<li>\u4f7f\u7528\u4efb\u64adDNS\u670d\u52d9<\/li>\n<li>\u5be6\u65bdDNSSEC\u9a57\u8b49<\/li>\n<li>\u914d\u7f6e\u9069\u7576\u7684TTL\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\u512a\u5316\u5340\u57df\u6a94\u6848\u914d\u7f6e\uff1a\n<ul>\n<li>\u4f7f\u7528EDNS\u5ba2\u6236\u7aef\u5b50\u7db2\uff08ECS\uff09<\/li>\n<li>\u5be6\u65bd\u57fa\u65bcDNS\u7684\u8ca0\u8f09\u5e73\u8861<\/li>\n<li>\u914d\u7f6e\u5730\u7406DNS\u8def\u7531<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u76e3\u63a7\u548c\u6548\u80fd\u5206\u6790<\/strong><\/h2>\n<p>\u5be6\u65bd\u5168\u9762\u7684\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\u4ee5\u7dad\u6301\u6700\u4f73\u6548\u80fd\uff1a<\/p>\n<ul>\n<li>\u90e8\u7f72\u5206\u6563\u5f0f\u76e3\u63a7\u4ee3\u7406\uff1a\n<ul>\n<li>\u5f9e\u591a\u500b\u4f4d\u7f6e\u6e2c\u91cfRTT<\/li>\n<li>\u8cc7\u6599\u5305\u907a\u5931\u6aa2\u6e2c<\/li>\n<li>\u8def\u5f91MTU\u767c\u73fe\u76e3\u63a7<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528\u9032\u968e\u76e3\u63a7\u5de5\u5177\uff1a\n<ul>\n<li>\u4f7f\u7528smokeping\u9032\u884c\u5ef6\u9072\u8ffd\u8e64<\/li>\n<li>\u4f7f\u7528mtr\u9032\u884c\u8def\u7531\u5206\u6790<\/li>\n<li>\u4f7f\u7528iperf3\u9032\u884c\u983b\u5bec\u6e2c\u8a66<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u9ad8\u5ef6\u9072\u554f\u984c\u6545\u969c\u6392\u9664\u6307\u5357<\/strong><\/h2>\n<p>\u7576\u9047\u5230\u65e5\u672c\u4f3a\u670d\u5668\u6301\u7e8c\u6027\u5ef6\u9072\u554f\u984c\u6642\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u7cfb\u7d71\u5316\u9664\u932f\u65b9\u6cd5\uff1a<\/p>\n<h3>\u7db2\u8def\u8def\u5f91\u5206\u6790<\/h3>\n<ol>\n<li>\u521d\u59cb\u8a3a\u65b7\uff1a<br \/>\n        <code>mtr -n -w -c 100 your-japanese-server.jp<\/code>\n    <\/li>\n<li>TCP\u9023\u63a5\u5206\u6790\uff1a<br \/>\n        <code>tcpdump -i any host your-japanese-server.jp<\/code>\n    <\/li>\n<li>\u7db2\u8def\u54c1\u8cea\u6e2c\u8a66\uff1a\n<pre>\r\nfor i in {1..10}; do\r\n    ping -c 100 your-japanese-server.jp >> ping_stats.log\r\n    sleep 60\r\ndone<\/pre>\n<\/li>\n<\/ol>\n<h3>\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h3>\n<ul>\n<li>\u8cc7\u6599\u5305\u907a\u5931\uff1a\n<ul>\n<li>\u6aa2\u67e5\u7db2\u8def\u64c1\u585e\u60c5\u6cc1<\/li>\n<li>\u9a57\u8b49QoS\u8a2d\u5b9a<\/li>\n<li>\u76e3\u63a7\u7de9\u885d\u81a8\u8139<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u6296\u52d5\uff1a\n<ul>\n<li>\u5206\u6790BGP\u516c\u544a<\/li>\n<li>\u6aa2\u67e5\u8def\u7531\u7a69\u5b9a\u6027<\/li>\n<li>\u5be6\u65bd\u8def\u7531\u6291\u5236<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u6700\u4f73\u5be6\u8e10\u548c\u672a\u4f86\u8003\u91cf<\/strong><\/h2>\n<p>\u900f\u904e\u4ee5\u4e0b\u9577\u671f\u7b56\u7565\u7dad\u6301\u6700\u4f73\u6548\u80fd\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6548\u80fd\u7a3d\u6838\uff1a\n<ul>\n<li>\u6bcf\u6708\u5ef6\u9072\u57fa\u6e96\u6aa2\u67e5<\/li>\n<li>\u5b63\u5ea6\u8def\u7531\u512a\u5316\u5be9\u67e5<\/li>\n<li>\u534a\u5e74\u5ea6\u57fa\u790e\u8a2d\u65bd\u8a55\u4f30<\/li>\n<\/ul>\n<\/li>\n<li>\u9762\u5411\u672a\u4f86\u7684\u898f\u5283\uff1a\n<ul>\n<li>\u898f\u5283IPv6\u8f49\u79fb<\/li>\n<li>\u8003\u616e\u91cf\u5b50\u5c31\u7dd2\u52a0\u5bc6<\/li>\n<li>\u8a55\u4f30\u65b0\u8208\u5354\u5b9a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u512a\u5316\u65e5\u672c\u4f3a\u670d\u5668\u9023\u63a5\u9700\u8981\u7d50\u5408\u7db2\u8def\u5de5\u7a0b\u3001\u7cfb\u7d71\u7ba1\u7406\u548c\u6301\u7e8c\u76e3\u63a7\u7684\u591a\u65b9\u9762\u65b9\u6cd5\u3002\u900f\u904e\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u89e3\u6c7a\u65b9\u6848\u4e26\u4fdd\u6301\u5c0d\u57fa\u790e\u8a2d\u65bd\u7684\u8b66\u89ba\u76e3\u7763\uff0c\u60a8\u53ef\u4ee5\u5be6\u73fe\u4e26\u7dad\u6301\u8207\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u670d\u52d9\u7684\u4f4e\u5ef6\u9072\u9023\u63a5\u3002\u8acb\u8a18\u4f4f\uff0c\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u9700\u8981\u96a8\u8457\u7db2\u8def\u689d\u4ef6\u548c\u6280\u8853\u7684\u767c\u5c55\u9032\u884c\u5b9a\u671f\u8a55\u4f30\u548c\u8abf\u6574\u3002<\/p>\n<p>\u70ba\u7372\u5f97\u6700\u4f73\u6548\u679c\uff0c\u8acb\u8003\u616e\u8207\u63d0\u4f9b\u5148\u9032\u7db2\u8def\u529f\u80fd\u4e26\u8207\u4e3b\u8981\u4e9e\u6d32\u71df\u904b\u5546\u4fdd\u6301\u7a69\u56fa\u5c0d\u7b49\u4e92\u9023\u95dc\u4fc2\u7684\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u63d0\u4f9b\u5546\u5408\u4f5c\u3002\u6301\u7e8c\u76e3\u63a7\u65b0\u8208\u6280\u8853\u548c\u7db2\u8def\u512a\u5316\u6700\u4f73\u5be6\u8e10\uff0c\u78ba\u4fdd\u60a8\u7684\u57fa\u790e\u8a2d\u65bd\u5728\u5feb\u901f\u767c\u5c55\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0d\u65bc\u4f7f\u7528\u65e5\u672c\u4f3a\u670d\u5668\u7684\u6280\u8853\u5c08\u696d\u4eba\u54e1\u4f86\u8aaa\uff0c\u9ad8ping\u503c\u548c\u5ef6\u9072\u554f\u984c\u6703\u986f\u8457\u5f71\u97ff\u61c9\u7528\u7a0b\u5f0f\u6548\u80fd\u548c\u4f7f\u7528\u8005\u9ad4\u9a57\u3002\u672c\u7d9c\u5408\u6307\u5357\u63a2\u8a0e [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-to-reduce-high-ping-and-latency-for-japan-servers\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":26786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-26790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u964d\u4f4e\u65e5\u672c\u4f3a\u670d\u5668\u7684\u9ad8Ping\u503c\u548c\u5ef6\u9072<\/title>\n<meta name=\"description\" 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