{"id":36696,"date":"2026-10-21T10:47:17","date_gmt":"2026-10-21T02:47:17","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/why-bandwidth-isnt-maxed-out-but-downloads-are-still-slow\/"},"modified":"2026-10-21T10:51:34","modified_gmt":"2026-10-21T02:51:34","slug":"why-bandwidth-isnt-maxed-out-but-downloads-are-still-slow","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/why-bandwidth-isnt-maxed-out-but-downloads-are-still-slow\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5e26\u5bbd\u6ca1\u6709\u8dd1\u6ee1\uff0c\u4f46\u4e0b\u8f7d\u4f9d\u7136\u5f88\u6162"},"content":{"rendered":"<p>\n\u4ece\u8868\u9762\u770b\uff0c\u8fd9\u50cf\u662f\u4e2a\u6096\u8bba\uff1a\u4f60\u7684<br \/>\n<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/los-angeles\/cn2\/\" target=\"_blank\">\u7f8e\u56fd\u670d\u52a1\u5668<\/a><br \/>\n\u5728\u76d1\u63a7\u56fe\u4e0a\u5e26\u5bbd\u5229\u7528\u7387\u5f88\u4f4e\uff0c\u4f46\u7528\u6237\u5374\u4f9d\u7136\u62b1\u6028\u4e0b\u8f7d\u7f13\u6162\uff0c\u800c\u4f60\u7cbe\u5fc3\u8bbe\u7f6e\u7684\u5173\u952e\u8bcd\u77ed\u8bed \u201cUS server bandwidth optimization\uff08\u7f8e\u56fd\u670d\u52a1\u5668\u5e26\u5bbd\u4f18\u5316\uff09\u201d \u4eff\u4f5b\u6210\u4e86\u4e00\u4e2a\u51b7\u7b11\u8bdd\u3002\u5bf9\u5de5\u7a0b\u5e08\u548c\u8fd0\u7ef4\u56e2\u961f\u6765\u8bf4\uff0c\u8fd9\u7edd\u4e0d\u662f\u7b80\u5355\u7684\u201c\u52a0\u5927\u5e26\u5bbd\u201d\u95ee\u9898\uff0c\u800c\u662f\u534f\u8bae\u884c\u4e3a\u3001\u8def\u7531\u3001\u670d\u52a1\u5668\u9650\u5236\u4ee5\u53ca\u590d\u6742\u7684\u5ba2\u6237\u7aef\u771f\u5b9e\u7f51\u7edc\u73af\u5883\u4ea4\u7ec7\u5728\u4e00\u8d77\u7684\u7ed3\u679c\u3002\n<\/p>\n<h2><strong>1. \u5206\u6e05\u5e26\u5bbd\u3001\u541e\u5410\u3001\u65f6\u5ef6\u4e0e\u4e22\u5305<\/strong><\/h2>\n<p>\n\u5728\u6392\u67e5\u74f6\u9888\u4e4b\u524d\uff0c\u5148\u628a\u4eba\u4eec\u5e38\u5e38\u7b3c\u7edf\u79f0\u4e3a\u201c\u901f\u5ea6\u201d\u7684\u56db\u4e2a\u6982\u5ff5\u533a\u5206\u5f00\u6765\u5f88\u6709\u5fc5\u8981\u3002\u5b83\u4eec\u5f7c\u6b64\u5173\u8054\uff0c\u5374\u4e0d\u80fd\u4e92\u76f8\u66ff\u4ee3\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u628a\u7406\u8bba\u5bb9\u91cf\u548c\u5b9e\u9645\u89c2\u6d4b\u5230\u7684\u541e\u5410\u6df7\u4e3a\u4e00\u8c08\uff0c\u5f80\u5f80\u4f1a\u63a9\u76d6\u771f\u6b63\u7684\u7ea6\u675f\u3002\n<\/p>\n<ul>\n<li><strong>\u5df2\u914d\u7f6e\u5e26\u5bbd<\/strong>\uff1a\u94fe\u8def\u5408\u7ea6\u4e2d\u7ea6\u5b9a\u7684\u6700\u5927\u5bb9\u91cf\uff08\u4f8b\u5982\uff1a\u72ec\u5360\u7aef\u53e3\u4e0a\u7684 1&nbsp;Gbps\uff09\u3002<\/li>\n<li><strong>\u541e\u5410\u91cf<\/strong>\uff1a\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff0c\u5982\u6d41\u91cf\u65e5\u5fd7\u6216\u5ba2\u6237\u7aef\u4e0b\u8f7d\u6d4b\u91cf\u503c\u4e2d\u770b\u5230\u7684\u6570\u5b57\u3002<\/li>\n<li><strong>\u65f6\u5ef6\uff08\u5ef6\u8fdf\uff09<\/strong>\uff1a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\uff0c\u53d7\u7269\u7406\u8ddd\u79bb\u548c\u8def\u7531\u7b56\u7565\u5f3a\u70c8\u5f71\u54cd\u3002<\/li>\n<li><strong>\u4e22\u5305\u4e0e\u6296\u52a8<\/strong>\uff1a\u6570\u636e\u5305\u4e22\u5931\u548c\u65f6\u5ef6\u6296\u52a8\u4f1a\u5bfc\u81f4\u91cd\u4f20\uff0c\u5e76\u5e72\u6270\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u7684\u5224\u65ad\u3002<\/li>\n<\/ul>\n<p>\n\u5373\u4fbf\u7f8e\u56fd\u51fa\u53e3\u5e26\u5bbd\u5229\u7528\u7387\u56fe\u8868\u65e0\u804a\u5730\u505c\u7559\u5728 10\u201320%\uff0c\u5ba2\u6237\u7aef\u7684\u5b9e\u9645\u541e\u5410\u4ecd\u7136\u53ef\u80fd\u56e0\u4e3a 200&nbsp;ms \u7ea7\u522b\u7684 RTT\u3001\u8fc7\u5c0f\u7684 TCP \u7a97\u53e3\u6216\u8f7b\u5fae\u4e22\u5305\u800c\u4e00\u843d\u5343\u4e08\u3002\u8981\u9ad8\u6548\u6392\u969c\uff0c\u4f60\u7684\u5fc3\u667a\u6a21\u578b\u5fc5\u987b\u628a\u8fd9\u4e9b\u770b\u4f5c\u76f8\u4e92\u72ec\u7acb\u4f46\u5f7c\u6b64\u5f71\u54cd\u7684\u7ef4\u5ea6\uff0c\u800c\u4e0d\u662f\u540c\u4e00\u6307\u6807\u7684\u4e0d\u540c\u8bf4\u6cd5\u3002\n<\/p>\n<h2><strong>2. \u4e3a\u4ec0\u4e48\u201c\u5e26\u5bbd\u7a7a\u95f2\u201d\u5e76\u4e0d\u4fdd\u8bc1\u4e0b\u8f7d\u5f88\u5feb<\/strong><\/h2>\n<p>\n\u5f53\u7528\u6237\u4ece\u7f8e\u56fd\u4e3b\u673a\u4e0b\u8f7d\u65f6\u53d1\u73b0\u901f\u5ea6\u60e8\u6de1\uff0c\u4ed6\u4eec\u5f80\u5f80\u4f1a\u60f3\uff1a\u4f60\u7684\u7aef\u53e3\u80af\u5b9a\u5df2\u7ecf\u88ab\u6253\u6ee1\u3002\u4f46\u5229\u7528\u7387\u62a5\u8868\u5374\u7ecf\u5e38\u5c55\u793a\u76f8\u53cd\u7684\u7ed3\u679c\u3002\u8fd9\u79cd\u5dee\u5f02\u901a\u5e38\u610f\u5473\u7740\uff0c\u771f\u6b63\u7684\u74f6\u9888\u5e76\u4e0d\u5728\u673a\u623f\u51fa\u53e3\u2014\u2014\u800c\u662f\u5728\u7aef\u5230\u7aef\u8def\u5f84\u4e2d\u7684\u67d0\u4e2a\u73af\u8282\uff0c\u5728\u8fdc\u8fdc\u4f4e\u4e8e\u540d\u4e49\u5bb9\u91cf\u7684\u5730\u65b9\u5c31\u5df2\u7ecf\u5bf9\u6709\u6548\u541e\u5410\u201c\u5361\u6b7b\u201d\u4e86\u3002\n<\/p>\n<ol>\n<li><strong>\u94fe\u8def\u4e2d\u7684\u201c\u6728\u6876\u77ed\u677f\u201d<\/strong>\uff1a\u8def\u7531\u4e0a\u7684\u67d0\u4e00\u6761\u7a84\u94fe\u8def\u53ef\u4ee5\u9650\u5236\u6574\u4e2a\u6d41\u91cf\u7684\u4e0a\u9650\uff0c\u5373\u4f7f\u4f60\u7684\u6570\u636e\u4e2d\u5fc3\u8fb9\u7f18\u94fe\u8def\u975e\u5e38\u5bbd\u88d5\u3002<\/li>\n<li><strong>\u534f\u8bae\u884c\u4e3a<\/strong>\uff1a\u62e5\u585e\u63a7\u5236\u4f1a\u5bf9\u4e22\u5305\u4e0e\u9ad8\u65f6\u5ef6\u505a\u51fa\u4fdd\u5b88\u53cd\u5e94\uff0c\u4ece\u800c\u8ba9\u541e\u5410\u957f\u671f\u5904\u4e8e\u504f\u4f4e\u6c34\u5e73\u3002<\/li>\n<li><strong>\u670d\u52a1\u5668\u81ea\u8eab\u9650\u5236<\/strong>\uff1a\u8fdb\u7a0b\u3001\u78c1\u76d8 I\/O \u6216\u5355\u8fde\u63a5\u9650\u901f\uff0c\u90fd\u53ef\u80fd\u628a\u4f20\u8f93\u901f\u7387\u538b\u5728\u8fdc\u4f4e\u4e8e\u7269\u7406\u7ebf\u8def\u901f\u5ea6\u7684\u6c34\u5e73\u4e0a\u3002<\/li>\n<li><strong>\u5ba2\u6237\u7aef\u4fa7\u4e0a\u9650<\/strong>\uff1a\u5bb6\u5ead\u5bbd\u5e26\u548c\u8f83\u5dee\u7684 Wi\u2011Fi \u94fe\u8def\u5728\u5b9e\u9645\u8868\u73b0\u4e0a\u5f80\u5f80\u8fdc\u4f4e\u4e8e\u9aa8\u5e72\u7f51\u7684\u80fd\u529b\u3002<\/li>\n<\/ol>\n<p>\n\u4e00\u65e6\u4f60\u4e0d\u518d\u628a\u201c\u6570\u636e\u4e2d\u5fc3\u8fb9\u7f18\u5e26\u5bbd\u6ca1\u8dd1\u6ee1\u201d\u7b80\u5355\u7b49\u540c\u4e8e\u201c\u80af\u5b9a\u6ca1\u95ee\u9898\u201d\uff0c\u5c31\u66f4\u5bb9\u6613\u628a\u5b9e\u9645\u4e0b\u8f7d\u8868\u73b0\u6620\u5c04\u5230\u5177\u4f53\u73af\u8282\uff0c\u4ece\u800c\u9009\u62e9\u66f4\u73b0\u5b9e\u7684\u4f18\u5316\u7b56\u7565\uff0c\u800c\u4e0d\u662f\u5728\u9519\u8bef\u7684\u5c42\u9762\u4e0a\u76f2\u76ee\u52a0\u5bb9\u91cf\u3002\n<\/p>\n<h2><strong>3. \u7f8e\u56fd\u670d\u52a1\u5668\u4e0a\u7684\u670d\u52a1\u7aef\u7ea6\u675f<\/strong><\/h2>\n<p>\n\u5bf9\u4e8e\u5728\u7f8e\u56fd\u673a\u623f\u505a\u670d\u52a1\u5668\u79df\u7528\u6216\u670d\u52a1\u5668\u6258\u7ba1\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u6392\u67e5\u5e94\u9996\u5148\u4ece\u6700\u63a5\u8fd1\u201c\u63a8\u9001\u5b57\u8282\u201d\u7684\u8fdb\u7a0b\u5f00\u59cb\u3002\u5373\u4f7f\u7aef\u53e3\u5728\u5e26\u5bbd\u5c42\u9762\u4e0a\u8fd8\u6709\u5f88\u5927\u5bcc\u4f59\uff0c\u4e0a\u5c42\u7684\u9650\u5236\u6216\u670d\u52a1\u5668\u672c\u8eab\u4ea7\u51fa\u6570\u636e\u7684\u80fd\u529b\u4e0d\u8db3\uff0c\u4e5f\u4f1a\u8ba9\u8fd9\u4e9b\u770b\u4f3c\u201c\u53ef\u7528\u201d\u7684\u5e26\u5bbd\u5f62\u540c\u865a\u8bbe\u3002\n<\/p>\n<ul>\n<li>\n    <strong>CPU \u4e0e I\/O \u4e0a\u9650<\/strong><br \/>\n    \u5982\u679c\u4f60\u7684\u4e1a\u52a1\u4ece\u673a\u68b0\u786c\u76d8\u4e2d\u6d41\u5f0f\u8bfb\u53d6\u5927\u5bf9\u8c61\uff0c\u6bcf\u4e00\u6b21\u968f\u673a\u5bfb\u9053\u548c\u8f6c\u52a8\u5ef6\u8fdf\u90fd\u5728\u589e\u52a0\u7b49\u5f85\u65f6\u95f4\u3002\u5373\u4fbf\u4f7f\u7528 SSD\uff0c\u5728\u9ad8\u5e76\u53d1\u4e0b\u4e5f\u53ef\u80fd\u6253\u6ee1 IOPS \u6216\u63a7\u5236\u5668\u961f\u5217\u3002\u5f53 CPU \u9891\u7e41\u4e0a\u4e0b\u6587\u5207\u6362\uff0c\u540c\u65f6\u8fd8\u8981\u8d1f\u8d23\u52a0\u89e3\u5bc6\u548c\u4e1a\u52a1\u903b\u8f91\u65f6\uff0c\u53d1\u9001\u8def\u5f84\u7684\u5b9e\u9645\u6267\u884c\u5c31\u4f1a\u6bd4\u60f3\u8c61\u4e2d\u66f4\u201c\u4e32\u884c\u201d\u3002\n  <\/li>\n<li>\n    <strong>\u5185\u6838\u4e0e\u5957\u63a5\u5b57\u914d\u7f6e<\/strong><br \/>\n    \u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u9650\u3001backlog \u961f\u5217\u4ee5\u53ca\u4e34\u65f6\u7aef\u53e3\u8303\u56f4\u7b49\u9ed8\u8ba4\u503c\uff0c\u90fd\u53ef\u80fd\u6084\u6084\u5730\u201c\u6390\u6b7b\u201d\u4e00\u4e2a\u9ad8\u8d1f\u8f7d\u7684\u4e0b\u8f7d\u8282\u70b9\u3002\u8fc7\u5c0f\u7684 TCP \u53d1\u9001\u4e0e\u63a5\u6536\u7f13\u51b2\u533a\uff0c\u6216\u8005\u6ca1\u6709\u542f\u7528\u73b0\u4ee3\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u90fd\u4f1a\u8ba9\u957f\u8ddd\u79bb\u94fe\u8def\u53d8\u5f97\u6781\u4e3a\u4f4e\u6548\u3002\n  <\/li>\n<li>\n    <strong>\u5e94\u7528\u5c42\u9650\u901f<\/strong><br \/>\n    \u8bb8\u591a\u5e38\u7528\u6280\u672f\u6808\u51fa\u5382\u9ed8\u8ba4\u5c31\u5f88\u4fdd\u5b88\u3002Web \u670d\u52a1\u5668\u901a\u5e38\u4f1a\u8bbe\u5b9a\u5355\u8fde\u63a5\u4e0e\u5355 IP \u7684\u901f\u7387\u4e0a\u9650\uff0c\u9632\u6b62\u201c\u5435\u95f9\u7684\u90bb\u5c45\u201d\u3002\u53cd\u5411\u4ee3\u7406\u3001\u9650\u6d41\u8fc7\u6ee4\u5668\u3001\u9274\u6743\u7f51\u5173\u7b49\uff0c\u4e5f\u53ef\u80fd\u5728\u7269\u7406\u7aef\u53e3\u4e4b\u5916\u518d\u5957\u4e0a\u4e00\u5c42\u201c\u9690\u5f62\u9876\u5e3d\u201d\u3002\n  <\/li>\n<li>\n    <strong>\u5355\u673a\u5bb9\u91cf vs. \u673a\u67dc\/\u673a\u67b6\u603b\u5bb9\u91cf<\/strong><br \/>\n    \u673a\u623f\u7684\u8425\u9500\u6587\u6848\u5f80\u5f80\u5f3a\u8c03\u7684\u662f\u6574\u4e2a\u673a\u623f\u6216\u673a\u67b6\u7684\u603b\u5e26\u5bbd\u80fd\u529b\u3002\u800c\u4f60\u5728\u5176\u4e2d\u7684\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u5b9e\u9645\u53ef\u80fd\u88ab\u9650\u5236\u5728\u8fdc\u4f4e\u4e8e\u5ba3\u4f20\u6570\u5b57\u7684\u627f\u8bfa\u901f\u7387\u4e4b\u5185\uff0c\u8fd8\u8981\u4e0e\u673a\u67dc\u5185\u7684\u5176\u5b83\u673a\u5668\u5171\u4eab\u4e00\u6761\u88ab\u8fc7\u5ea6\u6c47\u805a\u7684 ToR \u4e0a\u884c\u3002\u53ea\u770b\u673a\u623f\u5ba3\u4f20\u5f88\u5bb9\u6613\u5ffd\u7565\u8fd9\u4e9b\u5355\u7aef\u53e3\u3001\u5355\u670d\u52a1\u5668\u7684\u771f\u5b9e\u4e0a\u9650\u3002\n  <\/li>\n<\/ul>\n<p>\n\u4ece\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u201c\u51fa\u53e3\u5e26\u5bbd\u7a7a\u7a7a\u5982\u4e5f\u201d\u4e0e\u201c\u8fd9\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u548c\u5b83\u7684\u5185\u6838\u914d\u7f6e\u628a\u6d41\u91cf\u52d2\u4f4f\u4e86\u8116\u5b50\u201d\u5b8c\u5168\u53ef\u4ee5\u540c\u65f6\u6210\u7acb\u3002\u53ea\u6709\u628a CPU\u3001\u78c1\u76d8\u961f\u5217\u3001\u5957\u63a5\u5b57\u7edf\u8ba1\u4e0e\u8fb9\u7f18\u5e26\u5bbd\u56fe\u4e00\u8d77\u76d1\u63a7\uff0c\u624d\u80fd\u5f97\u5230\u5b8c\u6574\u3001\u8bda\u5b9e\u7684\u89c6\u56fe\u3002\n<\/p>\n<h2><strong>4. \u9762\u5411\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u8de8\u6d0b\u957f\u9014\u8def\u7531\u4e4b\u75db<\/strong><\/h2>\n<p>\n\u5f53\u6d41\u91cf\u7684\u6e90\u7aef\u8ddd\u79bb\u4f60\u7684\u7f8e\u56fd\u673a\u623f\u5f88\u8fdc\u65f6\uff0c\u7f51\u7edc\u8def\u5f84\u672c\u8eab\u5c31\u6210\u4e86\u5de6\u53f3\u7528\u6237\u4f53\u9a8c\u7684\u4e3b\u89d2\u3002\u90a3\u4e9b\u8bd5\u56fe\u4ece\u7f8e\u56fd\u533a\u57df\u5411\u4e9a\u6d32\u3001\u6b27\u6d32\u6216\u975e\u6d32\u63d0\u4f9b\u670d\u52a1\u7684\u56e2\u961f\uff0c\u5f80\u5f80\u4f1a\u53d1\u73b0\uff0c\u771f\u6b63\u7684\u9650\u5236\u56e0\u7d20\u4e0d\u5728\u4e8e\u5e26\u5bbd\uff0c\u800c\u5728\u4e8e\u591a\u81ea\u6cbb\u7cfb\u7edf\u8def\u5f84\u4e0a\u7684\u65f6\u5ef6\u548c\u8d28\u91cf\u3002\n<\/p>\n<ol>\n<li>\n    <strong>\u5149\u901f\u4e0e\u5730\u7406\u8ddd\u79bb<\/strong><br \/>\n    \u8de8\u6d0b\u5149\u7f06\u5728\u7269\u7406\u4e0a\u4e3a RTT \u8bbe\u5b9a\u4e86\u786c\u4e0b\u9650\u3002\u4e00\u6b21\u8de8\u8d8a\u6570\u5343\u516c\u91cc\u7684\u5f80\u8fd4\uff0c\u5fc5\u7136\u5f15\u5165\u51e0\u5341\u751a\u81f3\u4e0a\u767e\u6beb\u79d2\u7684\u989d\u5916\u65f6\u5ef6\u2014\u2014\u518d\u600e\u4e48\u672c\u5730\u4f18\u5316\u4e5f\u65e0\u6cd5\u6d88\u9664\u3002\n  <\/li>\n<li>\n    <strong>\u4e92\u8054\u4e0e\u5bf9\u7b49\u8d28\u91cf<\/strong><br \/>\n    \u5373\u4fbf\u662f\u5927\u578b\u8fd0\u8425\u5546\uff0c\u4e5f\u53ef\u80fd\u505a\u51fa\u5e76\u4e0d\u7406\u60f3\u7684\u8def\u7531\u51b3\u7b56\u3002\u6d77\u5916 ISP \u4e0e\u4f60\u5728\u7f8e\u56fd\u7684\u8fd0\u8425\u5546\u4e4b\u95f4\u7684\u6d41\u91cf\uff0c\u53ef\u80fd\u8981\u8f97\u8f6c\u591a\u4e2a\u4ea4\u6362\u70b9\uff0c\u5f15\u5165\u989d\u5916\u7684\u65f6\u5ef6\u3001\u6392\u961f\u548c\u96f6\u661f\u4e22\u5305\uff0c\u4ece\u800c\u5bf9\u62e5\u585e\u63a7\u5236\u9020\u6210\u6781\u5927\u5e72\u6270\u3002\n  <\/li>\n<li>\n    <strong>\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u62e5\u585e<\/strong><br \/>\n    \u5728\u5f53\u5730\u7684\u665a\u9ad8\u5cf0\u65f6\u6bb5\uff0c\u5171\u4eab\u7684\u56fd\u9645\u94fe\u8def\u66f4\u53ef\u80fd\u51fa\u73b0\u5fae\u7a81\u53d1\u548c\u961f\u5217\u79ef\u538b\u3002\u4ece TCP \u6d41\u7684\u89d2\u5ea6\u770b\uff0c\u8fd9\u5c31\u50cf\u96f6\u661f\u4e22\u5305\u548c RTT \u7a81\u7136\u98d9\u5347\uff0c\u8feb\u4f7f\u90a3\u4e9b\u4fdd\u5b88\u8c03\u4f18\u7684\u7b97\u6cd5\u4e0d\u65ad\u201c\u8e29\u5239\u8f66\u201d\u3002\n  <\/li>\n<\/ol>\n<p>\n\u4ece\u591a\u4e2a\u8fdc\u7a0b\u89c2\u6d4b\u70b9\u8fdb\u884c\u8def\u7531\u8ffd\u8e2a\uff0c\u5e76\u968f\u65f6\u95f4\u8ddf\u8e2a\u65f6\u5ef6\u5206\u5e03\uff0c\u53ef\u4ee5\u89e3\u91ca\uff1a\u4e3a\u4ec0\u4e48\u4e24\u4f4d\u6700\u540e\u4e00\u516c\u91cc\u5e26\u5bbd\u76f8\u4f3c\u7684\u7528\u6237\uff0c\u5728\u8bbf\u95ee\u540c\u4e00\u4e2a\u7f8e\u56fd\u7ec8\u7aef\u65f6\uff0c\u611f\u53d7\u5230\u7684\u4e0b\u8f7d\u901f\u5ea6\u5374\u5929\u5dee\u5730\u522b\u3002\n<\/p>\n<h2><strong>5. TCP \u52a8\u6001\uff1a\u9ad8\u65f6\u5ef6\u4e3a\u4f55\u4f1a\u201c\u538b\u57ae\u201d\u541e\u5410<\/strong><\/h2>\n<p>\n\u4e00\u65e6\u4f60\u79bb\u5f00\u4f4e\u65f6\u5ef6\u5c40\u57df\u7f51\u7684\u8212\u9002\u533a\uff0c\u5f00\u59cb\u8de8\u5927\u6d32\u53d1\u9001\u6d41\u91cf\uff0cTCP \u7684\u5404\u79cd\u7ec6\u8282\u5c31\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u8fd9\u4e2a\u534f\u8bae\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u516c\u5e73\u5171\u4eab\u94fe\u8def\u5bb9\u91cf\u3001\u4fdd\u62a4\u62e5\u585e\u4e2d\u7684\u8def\u7531\u5668\uff0c\u800c\u4e0d\u662f\u5728\u4e00\u6761\u957f\u800c\u5e72\u51c0\u7684\u94fe\u8def\u4e0a\uff0c\u8ba9\u5355\u4e2a\u5ba2\u6237\u7aef\u77ac\u95f4\u201c\u8dd1\u6ee1\u5e26\u5bbd\u201d\u3002\n<\/p>\n<ul>\n<li>\n    <strong>\u6162\u542f\u52a8\u4e0e\u62e5\u585e\u907f\u514d<\/strong><br \/>\n    \u65b0\u8fde\u63a5\u4f1a\u8c28\u614e\u5730\u5f00\u59cb\uff0c\u9010\u6b65\u63a2\u6d4b\u8def\u5f84\u4e0a\u7684\u53ef\u7528\u901f\u7387\u3002\u5728\u8de8\u6d0b\u94fe\u8def\u4e0a\uff0c\u6bcf\u4e00\u6b21\u201c\u63a2\u6d4b\u2014\u786e\u8ba4\u201d\u5faa\u73af\u90fd\u4f1a\u6d88\u8017\u4e00\u4e2a\u5b8c\u6574\u7684 RTT\u3002\u5728 200&nbsp;ms \u7ea7\u522b\u7684 RTT \u4e0b\uff0c\u62e5\u585e\u7a97\u53e3\u53ef\u80fd\u9700\u8981\u51e0\u79d2\u949f\u624d\u80fd\u589e\u957f\u5230\u4e0e\u7406\u8bba\u5e26\u5bbd\u76f8\u5339\u914d\u7684\u91cf\u7ea7\u3002\n  <\/li>\n<li>\n    <strong>\u7a97\u53e3\u5927\u5c0f\u4e0e\u5e26\u5bbd\u2013\u65f6\u5ef6\u79ef<\/strong><br \/>\n    \u8981\u586b\u6ee1\u4e00\u6761\u201c\u53c8\u5feb\u53c8\u8fdc\u201d\u7684\u94fe\u8def\uff0c\u53d1\u9001\u7aef\u5fc5\u987b\u540c\u65f6\u4fdd\u6301\u8db3\u591f\u591a\u7684\u672a\u786e\u8ba4\u6570\u636e\u5728\u9014\uff0c\u4ee5\u5339\u914d\u5e26\u5bbd\u2013\u65f6\u5ef6\u79ef\u3002\u5982\u679c\u63a5\u6536\u7a97\u53e3\u592a\u5c0f\uff0c\u6216\u8005\u53d1\u9001\u7aef\u81ea\u8eab\u9650\u5236\u592a\u4fdd\u5b88\uff0c\u5c31\u6ce8\u5b9a\u65e0\u6cd5\u5145\u5206\u5229\u7528\u94fe\u8def\u80fd\u529b\uff0c\u4e0d\u7ba1\u4f60\u7684\u8fd0\u8425\u5546\u5356\u7ed9\u4e86\u4f60\u591a\u5927\u7684\u5e26\u5bbd\u3002\n  <\/li>\n<li>\n    <strong>\u4e22\u5305\u7684\u5f71\u54cd<\/strong><br \/>\n    \u6bcf\u4e00\u4e2a\u4e22\u5305\u90fd\u4f1a\u88ab\u89c6\u4e3a\u62e5\u585e\u4fe1\u53f7\u3002\u4f20\u7edf\u7b97\u6cd5\u5f80\u5f80\u4f1a\u975e\u5e38\u6fc0\u8fdb\u5730\u6536\u7f29\u62e5\u585e\u7a97\u53e3\u3002\u770b\u4f3c\u53ea\u6709 0.5% \u7684\u4e22\u5305\u7387\uff0c\u518d\u53e0\u52a0\u8f83\u9ad8\u7684 RTT\uff0c\u5c31\u53ef\u4ee5\u628a\u53ef\u7528\u541e\u5410\u538b\u7f29\u5230\u94fe\u8def\u540d\u4e49\u5bb9\u91cf\u7684\u4e00\u5c0f\u90e8\u5206\u3002\n  <\/li>\n<li>\n    <strong>\u52a0\u5bc6\u63e1\u624b\u4e0e\u989d\u5916\u5f80\u8fd4<\/strong><br \/>\n    TLS \u534f\u8bae\u7684\u534f\u5546\u548c\u8bc1\u4e66\u6821\u9a8c\u9700\u8981\u989d\u5916\u7684\u5f80\u8fd4\u4ea4\u4e92\u3002\u5728\u77ed\u8def\u5f84\u4e0a\uff0c\u8fd9\u79cd\u5f00\u9500\u53ef\u4ee5\u5ffd\u7565\uff1b\u4f46\u5728\u6d32\u9645\u8def\u5f84\u4e0a\uff0c\u8fd9\u4e9b\u989d\u5916 RTT \u4f1a\u53e0\u52a0\u5230\u9996\u5305\u5ef6\u8fdf\u4e0a\uff0c\u4e5f\u63a8\u8fdf\u4e86\u7a33\u5b9a\u6001\u541e\u5410\u7684\u201c\u8d77\u98de\u201d\u65f6\u95f4\u3002\n  <\/li>\n<\/ul>\n<p>\n\u73b0\u4ee3\u534f\u8bae\u6808\u91c7\u7528\u66f4\u5927\u7684\u7a97\u53e3\u3001SACK\uff08\u9009\u62e9\u6027\u786e\u8ba4\uff09\u548c\u66f4\u5148\u8fdb\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u8868\u73b0\u786e\u5b9e\u6bd4\u4f20\u7edf\u9ed8\u8ba4\u503c\u597d\u5f97\u591a\uff0c\u4f46\u4e5f\u6539\u53d8\u4e0d\u4e86\u7269\u7406\u6781\u9650\u3002\u5f53 RTT \u4e0e\u4e22\u5305\u63a5\u8fd1\u73b0\u5b9e\u7f51\u7edc\u4e2d\u90a3\u4e9b\u201c\u6b8b\u9177\u201d\u7684\u6570\u503c\u65f6\uff0c\u7406\u8bba\u5e26\u5bbd\u4e0e\u5b9e\u9645\u53ef\u7528\u5e26\u5bbd\u4e4b\u95f4\u7684\u5dee\u8ddd\u5c31\u4f1a\u53d8\u5f97\u89e6\u76ee\u60ca\u5fc3\u3002\n<\/p>\n<h2><strong>6. \u5e76\u53d1\u6570\u3001HTTP \u7248\u672c\u4e0e\u4e0b\u8f7d\u6a21\u5f0f<\/strong><\/h2>\n<p>\n\u5373\u4f7f\u5728 TCP \u53c2\u6570\u5df2\u7ecf\u8f83\u4e3a\u5408\u7406\u7684\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u5982\u4f55\u7ba1\u7406\u8fde\u63a5\uff0c\u540c\u6837\u4f1a\u6df1\u523b\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002\u4e24\u4e2a\u5ba2\u6237\u7aef\u5373\u4fbf\u4e0b\u8f7d\u540c\u6837\u7684\u5185\u5bb9\uff0c\u6240\u83b7\u5f97\u7684\u901f\u5ea6\u4e5f\u4f1a\u56e0\u4e3a\u6253\u5f00\u7684\u6d41\u6570\u91cf\u4e0d\u540c\u3001\u6240\u7528 HTTP \u7248\u672c\u4e0d\u540c\u800c\u5927\u76f8\u5f84\u5ead\u3002\n<\/p>\n<ol>\n<li>\n    <strong>\u5355\u6d41\u4e0b\u8f7d vs. \u591a\u6d41\u4e0b\u8f7d<\/strong><br \/>\n    \u5355\u4e00 TCP \u6d41\u5728\u957f\u8ddd\u79bb\u94fe\u8def\u4e0a\uff0c\u5f88\u96be\u5feb\u901f\u586b\u6ee1\u53ef\u7528\u5e26\u5bbd\u3002\u628a\u4e00\u4e2a\u5927\u578b\u6587\u4ef6\u62c6\u5206\u4e3a\u591a\u4e2a\u7247\u6bb5\u5e76\u5e76\u884c\u62c9\u53d6\uff0c\u53ef\u4ee5\u5206\u6563\u98ce\u9669\uff1a\u5373\u4fbf\u5176\u4e2d\u4e00\u6761\u6d41\u56e0\u4e22\u5305\u88ab\u201c\u8e29\u5239\u8f66\u201d\uff0c\u5176\u4ed6\u6d41\u4ecd\u53ef\u4fdd\u6301\u8f83\u9ad8\u901f\u5ea6\uff0c\u4ece\u800c\u5728\u603b\u4f53\u4e0a\u644a\u8584\u635f\u5931\u3002\n  <\/li>\n<li>\n    <strong>HTTP\/1.1 \u7684\u9650\u5236<\/strong><br \/>\n    \u8fde\u63a5\u590d\u7528\u80fd\u529b\u6709\u9650\uff0c\u5ba2\u6237\u7aef\u5f80\u5f80\u4f1a\u5728\u5c11\u91cf\u6301\u4e45\u8fde\u63a5\u4e0a\u4e32\u884c\u5316\u5173\u952e\u8bf7\u6c42\u3002\u5e94\u7528\u5c42\u7684\u961f\u5934\u963b\u585e\uff0c\u4f1a\u8ba9\u6574\u4f53\u541e\u5410\u770b\u8d77\u6765\u8fdc\u8fdc\u4f4e\u4e8e\u4f20\u8f93\u5c42\u672c\u8eab\u53ef\u4ee5\u8fbe\u5230\u7684\u6c34\u5e73\u3002\n  <\/li>\n<li>\n    <strong>HTTP\/2 \u4e0e HTTP\/3 \u7684\u4f18\u52bf<\/strong><br \/>\n    \u8fd9\u4e9b\u534f\u8bae\u5f15\u5165\u4e86\u591a\u8def\u590d\u7528\u3001\u5934\u90e8\u538b\u7f29\uff0c\u800c HTTP\/3 \u901a\u8fc7 QUIC\uff08\u57fa\u4e8e UDP\uff09\u62e5\u6709\u4e00\u5957\u65b0\u7684\u4e22\u5305\u6062\u590d\u673a\u5236\u3002\u5728\u4e22\u5305\u7a81\u53d1\u9891\u7e41\u7684\u771f\u5b9e\u7f51\u7edc\u4e2d\uff0c\u5b83\u4eec\u5f80\u5f80\u80fd\u7ef4\u6301\u66f4\u9ad8\u7684\u6709\u6548\u541e\u5410\u548c\u66f4\u597d\u7684\u5e76\u884c\u5ea6\uff0c\u76f8\u6bd4\u7eaf\u7cb9\u7684 HTTP\/1.1 \u4f53\u9a8c\u66f4\u4f73\u3002\n  <\/li>\n<li>\n    <strong>\u5bf9\u5355\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6570\u9650\u5236<\/strong><br \/>\n    \u4e3a\u9632\u6b62\u6ee5\u7528\uff0c\u8fd0\u8425\u65b9\u901a\u5e38\u4f1a\u5bf9\u5355 IP \u7684\u8fde\u63a5\u6570\u8bbe\u5b9a\u8f83\u5c0f\u7684\u4e0a\u9650\uff0c\u6216\u8005\u6309 ASN \u5b9e\u65bd\u516c\u5e73\u5171\u4eab\u7b56\u7565\u3002\u5bf9\u591a\u79df\u6237\u73af\u5883\u6765\u8bf4\uff0c\u8fd9\u662f\u5065\u5eb7\u7684\u505a\u6cd5\uff0c\u4f46\u4e5f\u4f1a\u9650\u5236\u5355\u4e2a\u4e0b\u8f7d\u5de5\u5177\u5728\u9ad8\u65f6\u5ef6\u73af\u5883\u4e0b\u53ef\u4ee5\u53d1\u6325\u7684\u6781\u9650\u3002\n  <\/li>\n<\/ol>\n<p>\n\u6392\u67e5\u201c\u4e0b\u8f7d\u5f88\u6162\u201d\u65f6\uff0c\u5982\u679c\u53ea\u770b\u5355\u4f4d\u65f6\u95f4\u5185\u7684\u603b\u5b57\u8282\u6570\uff0c\u5f88\u5bb9\u6613\u5ffd\u7565\u8fd9\u4e9b\u7ed3\u6784\u6027\u95ee\u9898\u3002\u53ea\u6709\u901a\u8fc7\u6293\u5305\u548c\u7ec6\u81f4\u7684\u8fde\u63a5\u65e5\u5fd7\uff0c\u4f60\u624d\u80fd\u770b\u5230\u8bf8\u5982\u201c\u4e32\u884c\u5316\u4f20\u8f93\u201d\u201c\u591a\u8def\u590d\u7528\u6ca1\u6709\u771f\u6b63\u7528\u8d77\u6765\u201d\u7b49\u6a21\u5f0f\uff0c\u800c\u8fd9\u4e9b\u5728\u7b80\u5355\u7684\u5e26\u5bbd\u56fe\u4e2d\u662f\u5b8c\u5168\u4e0d\u53ef\u89c1\u7684\u3002\n<\/p>\n<h2><strong>7. \u56f4\u7ed5\u7f8e\u56fd\u6e90\u7ad9\u7684 CDN \u7b56\u7565\u4e0e\u8fb9\u7f18\u5e03\u5c40<\/strong><\/h2>\n<p>\n\u5982\u679c\u4f60\u8ba9\u6240\u6709\u5ba2\u6237\u7aef\u4f1a\u8bdd\u90fd\u76f4\u63a5\u6253\u5230\u7f8e\u56fd\u6e90\u7ad9\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u6307\u671b\u5f00\u653e\u4e92\u8054\u7f51\u80fd\u8868\u73b0\u5f97\u50cf\u4e00\u6761\u5e72\u51c0\u7684\u79c1\u6709\u9aa8\u5e72\u7f51\u2014\u2014\u800c\u4e8b\u5b9e\u663e\u7136\u4e0d\u4f1a\u5982\u6b64\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u4e0e\u8fb9\u7f18\u7f13\u5b58\u7684\u5b58\u5728\u610f\u4e49\uff0c\u5c31\u662f\u628a TCP \u63e1\u624b\u7ec8\u6b62\u5728\u66f4\u9760\u8fd1\u7528\u6237\u7684\u4f4d\u7f6e\uff0c\u628a\u90a3\u4e9b\u957f\u9014\u8def\u7531\u4e2d\u7684\u201c\u4e11\u964b\u7ec6\u8282\u201d\u9690\u85cf\u5728\u5e94\u7528\u8eab\u540e\u3002\n<\/p>\n<ul>\n<li>\n    <strong>\u7f29\u77ed\u8ddd\u79bb\u4e0e RTT<\/strong><br \/>\n    \u628a\u8fb9\u7f18\u8282\u70b9\uff08POP\uff09\u90e8\u7f72\u5728\u9760\u8fd1\u7528\u6237\u7684\u5730\u65b9\uff0c\u80fd\u628a\u539f\u672c\u6570\u767e\u6beb\u79d2\u7684 RTT \u538b\u7f29\u5230\u51e0\u5341\u6beb\u79d2\u3002\u4e00\u65e6 RTT \u964d\u4e0b\u6765\uff0c\u62e5\u585e\u63a7\u5236\u5c31\u80fd\u66f4\u5feb\u8fdb\u5165\u7a33\u5b9a\u72b6\u6001\uff0c\u4e0b\u8f7d\u5728\u9884\u70ed\u4e4b\u540e\u5f80\u5f80\u53ef\u4ee5\u6536\u655b\u5230\u66f4\u9ad8\u7684\u7a33\u6001\u541e\u5410\u3002\n  <\/li>\n<li>\n    <strong>\u4fdd\u62a4\u6e90\u7ad9\u4e0e\u56de\u6e90\u4e13\u7ebf<\/strong><br \/>\n    \u4e0e\u5176\u8ba9\u4f60\u7684\u6e90\u7ad9\u76f4\u63a5\u66b4\u9732\u5728\u6574\u4e2a\u4e92\u8054\u7f51\u9762\u524d\uff0c\u4e0d\u5982\u628a\u8fde\u63a5\u96c6\u4e2d\u5230\u6709\u9650\u6570\u91cf\u3001\u8d28\u91cf\u66f4\u53ef\u63a7\u7684\u8fb9\u7f18\u8282\u70b9\u4e0a\uff0c\u518d\u901a\u8fc7\u76f8\u5bf9\u5e72\u51c0\u7684\u8def\u5f84\u56de\u6e90\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4f60\u7684\u670d\u52a1\u5668\u79df\u7528\u6216\u670d\u52a1\u5668\u6258\u7ba1\u7aef\u53e3\u914d\u7f6e\u53ef\u4ee5\u4fdd\u6301\u76f8\u5bf9\u201c\u6734\u7d20\u201d\uff0c\u5374\u4f9d\u7136\u63d0\u4f9b\u51fa\u8272\u7684\u7528\u6237\u4f53\u9a8c\u3002\n  <\/li>\n<li>\n    <strong>\u7f13\u5b58\u7b56\u7565\u4e0e\u5bf9\u8c61\u5927\u5c0f<\/strong><br \/>\n    \u8fb9\u7f18\u5b58\u50a8\u5e76\u975e\u65e0\u9650\u3002\u5982\u679c\u7f13\u5b58\u65f6\u95f4\u8fc7\u77ed\uff0c\u6216\u4e3a\u4e86\u89c4\u907f\u98ce\u9669\u800c\u523b\u610f\u5bf9\u5927\u6587\u4ef6\u7ed5\u8fc7\u7f13\u5b58\uff0c\u90a3\u4e48\u6e90\u7ad9\u4ecd\u7136\u4f1a\u9762\u5bf9\u5927\u91cf\u957f\u9014\u56de\u6e90\u8bf7\u6c42\u3002\u5bf9\u7528\u6237\u800c\u8a00\uff0c\u8fd9\u4f1a\u5927\u5927\u524a\u5f31\u5206\u53d1\u5c42\u672c\u5e94\u5e26\u6765\u7684\u52a0\u901f\u6548\u679c\u3002\n  <\/li>\n<li>\n    <strong>\u5730\u7406\u8986\u76d6\u7a7a\u767d<\/strong><br \/>\n    \u53ea\u5728\u7f8e\u56fd\u548c\u6b27\u6d32\u542f\u7528 CDN \u8282\u70b9\uff0c\u5f80\u5f80\u4f1a\u8ba9\u5176\u4ed6\u5730\u533a\u7684\u7528\u6237\u5904\u4e8e\u201c\u5b9e\u9645\u4e0a\u7b49\u4e8e\u6ca1\u7f13\u5b58\u201d\u7684\u72b6\u6001\uff0c\u6bcf\u6b21\u8bbf\u95ee\u90fd\u8981\u8de8\u534a\u4e2a\u5730\u7403\u3002\u8981\u60f3\u9a8c\u8bc1\u8fb9\u7f18\u90e8\u7f72\u662f\u5426\u5339\u914d\u4f60\u7684\u7528\u6237\u5206\u5e03\uff0c\u5c31\u5fc5\u987b\u4f9d\u9760\u8986\u76d6\u5730\u56fe\u548c\u6309\u533a\u57df\u5212\u5206\u7684\u6027\u80fd\u770b\u677f\u3002\n  <\/li>\n<\/ul>\n<p>\n\u4ece\u7eaf\u7cb9\u7684\u7aef\u53e3\u76d1\u63a7\u89d2\u5ea6\u770b\uff0c\u4f60\u5728\u7f8e\u56fd\u7684\u6e90\u7ad9\u53ef\u80fd\u663e\u5f97\u201c\u5229\u7528\u7387\u4e0d\u8db3\u201d\uff0c\u56e0\u4e3a\u5927\u90e8\u5206\u9ad8\u5cf0\u6d41\u91cf\u5df2\u88ab CDN \u5438\u6536\u3002\u8fd9\u5e76\u4e0d\u662f\u6d6a\u8d39\uff0c\u800c\u662f\u6210\u529f\u2014\u2014\u5b57\u8282\u5df2\u7ecf\u88ab\u5728\u66f4\u9760\u8fd1\u7528\u6237\u7684\u5730\u65b9\u9001\u8fbe\uff0c\u800c\u4e0d\u518d\u88ab\u5f3a\u884c\u6324\u8fc7\u67d0\u4e00\u4e2a\u770b\u5f97\u89c1\u7684\u5355\u70b9\u201c\u70ed\u70b9\u201d\u3002\n<\/p>\n<h2><strong>8. \u5ba2\u6237\u7aef\u9650\u5236\u4e0e\u672c\u5730\u63a5\u5165\u7f51\u7edc<\/strong><\/h2>\n<p>\n\u5e76\u4e0d\u662f\u6240\u6709\u4e0b\u8f7d\u7f13\u6162\u7684\u95ee\u9898\u90fd\u80fd\u5f52\u548e\u4e8e\u4f60\u5728\u7f8e\u56fd\u7684\u57fa\u7840\u8bbe\u65bd\u3002\u4e00\u65e6\u6d41\u91cf\u79bb\u5f00\u4f60\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u5b83\u8fd8\u8981\u7a7f\u8d8a\u672c\u5730\u63a5\u5165\u7f51\u7edc\u3001\u5bb6\u5ead\u8def\u7531\u5668\u548c\u65e0\u7ebf\u94fe\u8def\uff0c\u800c\u8fd9\u4e9b\u73af\u8282\u5f80\u5f80\u65e0\u6cd5\u771f\u6b63\u5151\u73b0\u6700\u540e\u4e00\u516c\u91cc\u4f9b\u5e94\u5546\u6240\u5ba3\u4f20\u7684\u201c\u7406\u60f3\u5e26\u5bbd\u201d\u3002\n<\/p>\n<ol>\n<li>\n    <strong>\u5bb6\u5ead\u5bbd\u5e26\u7684\u73b0\u5b9e\u4e0a\u9650<\/strong><br \/>\n    \u5f88\u591a\u7528\u6237\u4f7f\u7528\u7684\u662f\u4e2d\u4f4e\u901f\u7684\u5171\u4eab\u7ebf\u8def\u3002\u5373\u4fbf\u4ed6\u4eec\u7684\u8def\u7531\u5668\u754c\u9762\u663e\u793a\u7684\u662f\u6570\u767e\u5146\u6bd4\u7279\u6bcf\u79d2\uff0c\u6574\u5f62\u7b56\u7565\u3001\u8fc7\u5ea6\u5171\u4eab\u4ee5\u53ca\u5bb6\u5ead\u5185\u90e8\u7ade\u4e89\uff08\u591a\u8bbe\u5907\u540c\u65f6\u4f7f\u7528\uff09\u90fd\u53ef\u80fd\u628a\u7a33\u5b9a\u53ef\u7528\u7684\u541e\u5410\u538b\u5230\u6807\u79f0\u503c\u7684\u4e00\u5c0f\u90e8\u5206\u3002\n  <\/li>\n<li>\n    <strong>Wi\u2011Fi \u94fe\u8def\u901f\u7387\u795e\u8bdd vs. \u771f\u5b9e\u541e\u5410<\/strong><br \/>\n    \u73b0\u4ee3\u65e0\u7ebf\u8bbe\u5907\u4e0a\u663e\u793a\u7684\u9ad8\u94fe\u8def\u901f\u7387\uff0c\u5e76\u4e0d\u7b49\u4e8e TCP \u5c42\u7684\u51c0\u541e\u5410\u3002\u5e72\u6270\u3001\u91cd\u4f20\u4ee5\u53ca\u534a\u53cc\u5de5\u7684\u7a7a\u53e3\u5171\u4eab\uff0c\u90fd\u4f1a\u5927\u5e45\u201c\u5403\u6389\u201d\u770b\u4f3c\u53ef\u89c2\u7684\u5bb9\u91cf\u3002\u6240\u6709\u4e0b\u8f7d\u90fd\u8981\u4e0e\u5bb6\u91cc\u5176\u4ed6\u8bbe\u5907\u4e00\u8d77\u201c\u5435\u7740\u62a2\u201d\u540c\u4e00\u6bb5\u9891\u8c31\u3002\n  <\/li>\n<li>\n    <strong>\u672c\u5730\u62e5\u585e\u4e0e\u6392\u961f<\/strong><br \/>\n    \u4fbf\u5b9c\u7684\u5bb6\u5ead\u8def\u7531\u5668\u901a\u5e38\u53ea\u6709\u5f88\u6d45\u7684\u7f13\u51b2\u533a\u548c\u8106\u5f31\u7684\u961f\u5217\u7b56\u7565\u3002\u4e00\u4e2a\u6b63\u5728\u6267\u884c\u7684\u4e91\u5907\u4efd\u4efb\u52a1\u5c31\u80fd\u8f7b\u677e\u6253\u6ee1\u4e0a\u884c\uff0c\u8ba9 RTT \u56e0\u7f13\u51b2\u81a8\u80c0\uff08bufferbloat\uff09\u800c\u98d9\u5347\uff0c\u5e76\u987a\u5e26\u628a\u4e0b\u884c\u4e0b\u8f7d\u901f\u5ea6\u201c\u62d6\u6b7b\u201d\u3002\n  <\/li>\n<li>\n    <strong>\u7ec8\u7aef\u7b97\u529b\u4e0e\u8d44\u6e90\u7ea6\u675f<\/strong><br \/>\n    \u5f53\u6d4f\u89c8\u5668\u5728\u4e00\u53f0\u88ab\u4e25\u91cd\u964d\u9891\u7684\u7b14\u8bb0\u672c\u6216\u6027\u80fd\u5b71\u5f31\u7684\u624b\u673a\u4e0a\u4e0b\u8f7d\u65f6\uff0c\u6fc0\u70c8\u7684\u78c1\u76d8\u5199\u5165\u6216\u6821\u9a8c\u8ba1\u7b97\u540c\u6837\u4f1a\u5bfc\u81f4\u5361\u987f\u3002\u5728\u76d1\u63a7\u7cfb\u7edf\u773c\u4e2d\uff0c\u8fd9\u770b\u4e0a\u53bb\u50cf\u4e00\u4e2a\u7f51\u7edc\u95ee\u9898\uff0c\u5b9e\u9645\u4e0a\u74f6\u9888\u5374\u5728\u5ba2\u6237\u7aef\u672c\u673a\u3002\n  <\/li>\n<\/ol>\n<p>\n\u8fd0\u7ef4\u56e2\u961f\u5fc5\u987b\u5408\u7406\u6821\u51c6\u9884\u671f\uff1a\u4f60\u80fd\u6539\u5584\u7684\u201c\u6700\u540e\u4e00\u516c\u91cc\u201d\u662f\u6709\u9650\u7684\u3002\u4e0d\u8fc7\uff0c\u901a\u8fc7\u6e05\u6670\u7684\u89c2\u6d4b\u548c\u5ba2\u6237\u7aef\u8bca\u65ad\uff0c\u81f3\u5c11\u53ef\u4ee5\u5206\u5f97\u6e05\u201c\u6211\u4eec\u7684\u8fb9\u7f18\u771f\u7684\u574f\u4e86\u201d\u4e0e\u201c\u7528\u6237\u6240\u5728\u7684\u662f\u4e00\u4e2a\u62e5\u6324\u4e14\u8106\u5f31\u7684\u5bb6\u5ead\u7f51\u7edc\u201d\u3002\n<\/p>\n<h2><strong>9. \u627e\u51fa\u771f\u5b9e\u74f6\u9888\u7684\u5b9e\u6218\u6280\u5de7<\/strong><\/h2>\n<p>\n\u7531\u4e8e\u4e0b\u8f7d\u8def\u5f84\u6a2a\u8de8\u4f17\u591a\u9886\u57df\u2014\u2014\u5185\u6838\u3001\u5e94\u7528\u3001\u8fd0\u8425\u5546\u4f20\u8f93\u3001\u6700\u540e\u4e00\u516c\u91cc\u2014\u2014\u4f60\u9700\u8981\u4e00\u5957\u6709\u7eaa\u5f8b\u7684\u6d41\u7a0b\u6765\u5224\u65ad\u5230\u5e95\u8be5\u628a\u7cbe\u529b\u6295\u5230\u54ea\u91cc\u3002\u6ca1\u6709\u53ef\u89c1\u6027\u7684\u76f2\u76ee\u8c03\u4f18\uff0c\u53ea\u4f1a\u8ba9\u5de5\u7a0b\u5e08\u75b2\u4e8e\u5954\u547d\uff0c\u800c\u7528\u6237\u4f9d\u7136\u770b\u5230\u65f6\u5feb\u65f6\u6162\u7684\u4e0b\u8f7d\u3002\n<\/p>\n<ul>\n<li>\n    <strong>\u5bf9\u6bd4\u591a\u4e2a\u89c2\u6d4b\u70b9<\/strong><br \/>\n    \u4ece\u4e0d\u540c\u7f51\u7edc\u53d1\u8d77\u7684\u5408\u6210\u63a2\u6d4b\u53ef\u4ee5\u63d0\u4f9b\u65e9\u671f\u7ebf\u7d22\u3002\u5982\u679c\u67d0\u4e9b\u533a\u57df\u59cb\u7ec8\u80fd\u8dd1\u51fa\u9ad8\u901f\u5ea6\uff0c\u800c\u53e6\u4e00\u4e9b\u533a\u57df\u6c38\u8fdc\u8dd1\u4e0d\u8d77\u6765\uff0c\u90a3\u4e48\u74f6\u9888\u5f88\u53ef\u80fd\u4e0d\u5728\u4f60\u7684\u6570\u636e\u4e2d\u5fc3\u3002\u76f8\u53cd\uff0c\u5982\u679c\u9760\u8fd1\u6e90\u7ad9\u7684\u63a2\u9488\u8868\u73b0\u90fd\u5f88\u5dee\uff0c\u5c31\u8981\u4f18\u5148\u6000\u7591\u672c\u5730\u670d\u52a1\u5668\u4fa7\u7684\u9650\u5236\u3002\n  <\/li>\n<li>\n    <strong>\u505a\u8def\u7531\u8ffd\u8e2a\u4e0e RTT \u753b\u50cf<\/strong><br \/>\n    \u4e00\u8df3\u4e00\u8df3\u5730\u8ffd\u8e2a\u8def\u7531\u53ef\u4ee5\u63ed\u793a\u4e00\u4e9b\u53cd\u5e38\u7ed5\u8def\u548c\u53ef\u7591\u7684\u65f6\u5ef6\u9661\u589e\u3002\u5982\u679c\u5728\u67d0\u4e9b\u4ea4\u6362\u70b9\u4e0a\u957f\u671f\u770b\u5230\u5f02\u5e38\uff0c\u90a3\u901a\u5e38\u5c31\u5bf9\u5e94\u7740\u8def\u7531\u7b56\u7565\u95ee\u9898\u6216\u8fd0\u8425\u5546\u4e4b\u95f4\u5bf9\u7b49\u7aef\u53e3\u7684\u62e5\u585e\u3002\n  <\/li>\n<li>\n    <strong>\u5206\u6790\u6d41\u91cf\u4e0e\u7a97\u53e3\u5927\u5c0f<\/strong><br \/>\n    \u5728\u670d\u52a1\u5668\u4fa7\u6293\u5305\uff0c\u89c2\u5bdf\u62e5\u585e\u7a97\u53e3\u7684\u53d8\u5316\u3001\u91cd\u4f20\u60c5\u51b5\u4ee5\u53ca\u5ba2\u6237\u7aef\u7684\u901a\u544a\u7a97\u53e3\u5927\u5c0f\uff0c\u4f60\u5c31\u80fd\u5224\u65ad TCP \u4e3b\u8981\u662f\u88ab\u4e22\u5305\u9650\u5236\u3001\u88ab\u4fdd\u5b88\u914d\u7f6e\u675f\u7f1a\uff0c\u8fd8\u662f\u88ab\u5ba2\u6237\u7aef\u8fc7\u5c0f\u7684\u7f13\u51b2\u533a\u62d6\u540e\u817f\u3002\n  <\/li>\n<li>\n    <strong>\u5c06\u7cfb\u7edf\u6307\u6807\u4e0e\u7528\u6237\u5c42\u9762\u7684\u5361\u987f\u5173\u8054\u8d77\u6765<\/strong><br \/>\n    \u7528\u6237\u6295\u8bc9\u6216\u5408\u6210\u6d4b\u8bd5\u7684\u65f6\u95f4\u6233\uff0c\u5e94\u5f53\u4e0e\u4e3b\u673a\u7ea7\u6307\u6807\u8fdb\u884c\u5bf9\u9f50\u3002\u5982\u679c\u6bcf\u4e00\u6b21\u541e\u5410\u201c\u5d29\u76d8\u201d\u7684\u65f6\u95f4\u70b9\uff0c\u90fd\u6070\u597d\u5bf9\u5e94\u6e90\u7ad9 CPU \u98d9\u5347\u6216\u78c1\u76d8\u961f\u5217\u6253\u6ee1\uff0c\u90a3\u4e48\u518d\u591a\u7684\u5916\u90e8\u8c03\u4f18\u4e5f\u65e0\u6d4e\u4e8e\u4e8b\u2014\u2014\u95ee\u9898\u6839\u672c\u8fd8\u6ca1\u8d70\u51fa\u673a\u5668\u672c\u8eab\u3002\n  <\/li>\n<\/ul>\n<p>\n\u4e00\u5957\u53ef\u590d\u73b0\u7684\u6d4b\u8bd5\u77e9\u9635\u548c\u5171\u4eab\u7684\u53ef\u89c6\u5316\u770b\u677f\uff0c\u80fd\u907f\u514d\u56e2\u961f\u201c\u51ed\u611f\u89c9\u201d\u64cd\u4f5c\u3002\u4e00\u65e6\u77e5\u9053\u74f6\u9888\u7a76\u7adf\u662f\u5185\u6838\u914d\u7f6e\u3001\u6e90\u7ad9\u9971\u548c\u3001\u957f\u9014\u94fe\u8def\u95ee\u9898\u3001\u8fb9\u7f18\u914d\u7f6e\u9519\u8bef\uff0c\u8fd8\u662f\u6700\u540e\u4e00\u516c\u91cc\u62e5\u585e\uff0c\u4f60\u5c31\u80fd\u9009\u62e9\u771f\u6b63\u6709\u4ea7\u51fa\u7684\u6539\u8fdb\u63aa\u65bd\u3002\n<\/p>\n<h2><strong>10. \u9762\u5411\u7f8e\u56fd\u6258\u7ba1\u4e0b\u8f7d\u573a\u666f\u7684\u4f18\u5316\u624b\u518c<\/strong><\/h2>\n<p>\n\u5728\u627e\u5230\u8584\u5f31\u73af\u8282\u4e4b\u540e\uff0c\u4f60\u53ef\u4ee5\u5faa\u5e8f\u6e10\u8fdb\u5730\u628a\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u4e0b\u8f7d\u541e\u5410\u63a8\u8fdb\u5230\u66f4\u8d34\u8fd1\u7406\u8bba\u4e0a\u9650\u7684\u6c34\u5e73\uff0c\u800c\u4e0d\u662f\u76f2\u76ee\u5730\u7838\u94b1\u52a0\u5e26\u5bbd\u3002\u5bf9\u4e8e\u5728\u7f8e\u56fd\u5f00\u5c55\u4e25\u8083\u4e1a\u52a1\u7684\u8fd0\u8425\u8005\u800c\u8a00\uff0c\u8fd9\u901a\u5e38\u662f\u4e00\u9879\u6301\u7eed\u6f14\u8fdb\u7684\u5de5\u7a0b\u5b9e\u8df5\uff0c\u800c\u7edd\u975e\u4e00\u6b21\u6027\u8c03\u53c2\u3002\n<\/p>\n<ol>\n<li>\n    <strong>\u8c03\u4f18\u4f20\u8f93\u5c42\u4e0e\u5185\u6838\u53c2\u6570<\/strong><br \/>\n    \u542f\u7528\u73b0\u4ee3\u62e5\u585e\u63a7\u5236\u3001\u5728\u5408\u9002\u573a\u666f\u4e0b\u589e\u5927\u7f13\u51b2\u533a\u3001\u5e76\u8ba9\u5957\u63a5\u5b57\u9009\u9879\u4e0e\u5e26\u5bbd\u2013\u65f6\u5ef6\u79ef\u7684\u8ba1\u7b97\u7ed3\u679c\u5bf9\u9f50\uff0c\u90fd\u53ef\u4ee5\u663e\u8457\u6539\u5584\u957f\u8ddd\u79bb\u94fe\u8def\u7684\u201c\u586b\u5145\u6548\u7387\u201d\u3002\u5b9a\u671f\u5ba1\u67e5\u8fd9\u4e9b\u914d\u7f6e\uff0c\u786e\u4fdd\u5b83\u4eec\u80fd\u8ddf\u4e0a\u6d41\u91cf\u5f62\u6001\u7684\u6f14\u5316\u3002\n  <\/li>\n<li>\n    <strong>\u5347\u7ea7\u5b58\u50a8\u4e0e I\/O \u8def\u5f84<\/strong><br \/>\n    \u628a\u9ad8\u9891\u8bbf\u95ee\u7684\u5bf9\u8c61\u4ece\u673a\u68b0\u786c\u76d8\u8fc1\u79fb\u5230 SSD \u6216 NVMe \u5c42\uff0c\u53ef\u4ee5\u9632\u6b62\u5b58\u50a8\u5b50\u7cfb\u7edf\u6210\u4e3a\u4e0b\u8f7d\u74f6\u9888\u3002\u5408\u7406\u7684\u6587\u4ef6\u5e03\u5c40\u4e0e\u9884\u70ed\u7b56\u7565\u5219\u6709\u52a9\u4e8e\u5728\u6d41\u91cf\u5cf0\u503c\u671f\u95f4\u907f\u514d\u201c\u51b7\u8bfb\u60e9\u7f5a\u201d\u3002\n  <\/li>\n<li>\n    <strong>\u90e8\u7f72\u6216\u6269\u5c55 CDN \u8986\u76d6<\/strong><br \/>\n    \u628a\u66f4\u591a\u6d41\u91cf\u8f6c\u79fb\u5230\u9760\u8fd1\u7528\u6237\u7684\u8fb9\u7f18\u7f13\u5b58\u4e0a\uff0c\u53ef\u4ee5\u628a\u5927\u90e8\u5206\u65f6\u5ef6\u4e0e\u4e22\u5305\u5c01\u88c5\u5728\u79c1\u6709\u9aa8\u5e72\u5185\u90e8\uff0c\u800c\u4e0d\u662f\u66b4\u9732\u5728\u516c\u7f51\u4e4b\u4e0a\u3002\u5408\u7406\u8bbe\u8ba1\u7f13\u5b58\u952e\u548c TTL \u7b56\u7565\uff0c\u6709\u52a9\u4e8e\u7ef4\u6301\u9ad8\u547d\u4e2d\u7387\uff0c\u907f\u514d\u7ed9\u7f8e\u56fd\u6e90\u7ad9\u5236\u9020\u4e0d\u5fc5\u8981\u7684\u957f\u9014\u56de\u6e90\u8d1f\u8f7d\u3002\n  <\/li>\n<li>\n    <strong>\u5145\u5206\u5229\u7528\u73b0\u4ee3 HTTP \u7248\u672c\u4e0e\u5e76\u53d1\u7b56\u7565<\/strong><br \/>\n    \u652f\u6301 HTTP\/2 \u548c HTTP\/3\uff0c\u5e76\u914d\u5408\u5408\u7406\u7684\u4f18\u5148\u7ea7\u7b56\u7565\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6d4f\u89c8\u5668\u4e0e\u4e0b\u8f7d\u5de5\u5177\u66f4\u9ad8\u6548\u5730\u5229\u7528\u6bcf\u4e00\u6761\u8fde\u63a5\u3002\u5728\u9002\u5f53\u573a\u666f\u4e0b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u660e\u786e\u5efa\u8bae\u5ba2\u6237\u7aef\u5bf9\u5927\u6587\u4ef6\u91c7\u7528\u591a\u5206\u6bb5\u5e76\u53d1\u4e0b\u8f7d\uff0c\u4ee5\u5bf9\u51b2\u8def\u5f84\u8d28\u91cf\u7684\u6ce2\u52a8\u3002\n  <\/li>\n<li>\n    <strong>\u5408\u7406\u89c4\u5212\u670d\u52a1\u5668\u79df\u7528\/\u670d\u52a1\u5668\u6258\u7ba1\u7684\u5e26\u5bbd\u4e0e\u7aef\u53e3\u89c4\u683c<\/strong><br \/>\n    \u5bf9\u90a3\u4e9b\u786e\u5b9e\u7ecf\u5e38\u201c\u9876\u6ee1\u201d\u627f\u8bfa\u5e26\u5bbd\u7684\u670d\u52a1\u5668\uff0c\u5347\u7ea7\u7aef\u53e3\u901f\u7387\u6216\u589e\u52a0\u4e13\u5c5e\u5bb9\u91cf\u662f\u5408\u7406\u7684\u6295\u8d44\u3002\u53cd\u4e4b\uff0c\u5982\u679c\u6e90\u7ad9\u7aef\u53e3\u957f\u671f\u5904\u4e8e\u4f4e\u5229\u7528\u7387\uff0c\u5f80\u5f80\u901a\u8fc7\u4f18\u5316\u8def\u7531\u3001\u7f13\u5b58\u548c\u4f20\u8f93\u5c42\u53c2\u6570\u6240\u83b7\u5f97\u7684\u6536\u76ca\uff0c\u4f1a\u6bd4\u5355\u7eaf\u5806\u5e26\u5bbd\u66f4\u53ef\u89c2\u3002\n  <\/li>\n<li>\n    <strong>\u52a0\u5f3a\u5168\u94fe\u8def\u89c2\u6d4b\u5e76\u6301\u7eed\u8fed\u4ee3<\/strong><br \/>\n    \u4e3a\u6bcf\u4e00\u5c42\u6253\u70b9\uff1a\u7cfb\u7edf\u8d1f\u8f7d\u3001\u7f51\u7edc\u63a5\u53e3\u8ba1\u6570\u3001RTT \u5206\u5e03\u3001\u6d41\u91cf\u884c\u4e3a\u3001CDN \u7f13\u5b58\u547d\u4e2d\u7387\u7b49\u3002\u628a\u8fd9\u4e9b\u6307\u6807\u7eb3\u5165\u5b9a\u671f\u8bc4\u5ba1\uff0c\u4f7f\u56de\u5f52\u95ee\u9898\u80fd\u88ab\u5c3d\u65e9\u53d1\u73b0\uff0c\u540c\u65f6\u4e5f\u80fd\u7528\u771f\u5b9e\u7528\u6237\u4f53\u9a8c\u800c\u975e\u5b9e\u9a8c\u5ba4\u6570\u636e\u6765\u9a8c\u8bc1\u6bcf\u4e00\u6b21\u6539\u52a8\u3002\n  <\/li>\n<\/ol>\n<p>\n\u8fd9\u4e9b\u884c\u52a8\u7684\u7d2f\u79ef\u6548\u5e94\u5f80\u5f80\u5341\u5206\u663e\u8457\u3002\u5373\u4f7f\u4f60\u5728\u7f8e\u56fd\u7684\u6e90\u7ad9\u5e26\u5bbd\u56fe\u4e0a\u4ecd\u7136\u80fd\u770b\u5230\u201c\u7a7a\u95f2\u7a7a\u95f4\u201d\uff0c\u7528\u6237\u5176\u5b9e\u66f4\u5173\u5fc3\u7684\u5e76\u4e0d\u662f\u90a3\u4e9b\u5c1a\u672a\u4f7f\u7528\u7684\u5bb9\u91cf\uff0c\u800c\u662f\u4ed6\u4eec\u81ea\u5df1\u7684\u63a5\u5165\u94fe\u8def\u662f\u5426\u80fd\u591f\u88ab\u7a33\u5b9a\u800c\u5145\u5206\u5730\u201c\u8dd1\u6ee1\u201d\u3002\n<\/p>\n<h2><strong>11. \u6536\u675f\u201c\u5e26\u5bbd vs. \u4f53\u9a8c\u201d\u6096\u8bba<\/strong><\/h2>\n<p>\n\u7ad9\u5728\u5de5\u7a0b\u56e2\u961f\u7684\u89c6\u89d2\uff0c\u4e00\u65e6\u4f60\u7528\u7aef\u5230\u7aef\u7684\u65b9\u5f0f\u6765\u5efa\u6a21\u6574\u4e2a\u7cfb\u7edf\uff0c\u6709\u5173\u201c\u4e0b\u8f7d\u5f88\u6162\u4f46\u5e26\u5bbd\u5229\u7528\u7387\u5f88\u4f4e\u201d\u7684\u56f0\u60d1\u5c31\u4f1a\u70df\u6d88\u4e91\u6563\u3002\u8de8\u6d0b\u65f6\u5ef6\u3001\u6613\u4e22\u5305\u8def\u5f84\u3001\u4fdd\u5b88\u7684\u62e5\u585e\u63a7\u5236\u3001\u670d\u52a1\u7aef\u9650\u5236\u3001\u7f13\u5b58\u62d3\u6251\u4ee5\u53ca\u8106\u5f31\u7684\u6700\u540e\u4e00\u516c\u91cc\u7f51\u7edc\uff0c\u8fd9\u4e9b\u56e0\u7d20\u5f7c\u6b64\u4f5c\u7528\uff0c\u800c\u666e\u901a\u7684\u5e26\u5bbd\u56fe\u6839\u672c\u65e0\u6cd5\u523b\u753b\u8fd9\u79cd\u590d\u6742\u5ea6\u2014\u2014\u5373\u4f7f\u4f60\u4ece\u4e00\u5f00\u59cb\u5c31\u56f4\u7ed5\u7f8e\u56fd\u670d\u52a1\u5668\u5e26\u5bbd\u4f18\u5316\u6765\u505a\u8bbe\u8ba1\u3002\n<\/p>\n<p>\n\u4e0e\u5176\u628a\u7f8e\u56fd\u67d0\u6761\u4e0a\u884c\u94fe\u8def\u4e0a\u5269\u4f59\u7684\u5e26\u5bbd\u89c6\u4e3a\u201c\u4e00\u5207\u6b63\u5e38\u201d\u7684\u8bc1\u636e\uff0c\u4e0d\u5982\u628a\u5b83\u5f53\u4f5c\u4f17\u591a\u4fe1\u53f7\u4e2d\u7684\u4e00\u4e2a\u3002\u6cbf\u7740\u201c\u4ece\u78c1\u76d8\u5230\u5185\u6838\u3001\u4ece\u7f51\u5361\u5230\u4f20\u8f93\u7f51\u7edc\u3001\u4ece\u9aa8\u5e72\u5230\u5bb6\u5ead\u8def\u7531\u5668\u201d\u7684\u8def\u5f84\u9010\u5c42\u8ffd\u8e2a\u5b57\u8282\u7684\u6d41\u52a8\uff0c\u5e76\u89c2\u5bdf\u771f\u5b9e\u7528\u6237\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u884c\u4e3a\u3002\u8fd9\u6837\u7684\u89c6\u89d2\u53ef\u4ee5\u628a\u7b3c\u7edf\u7684\u201c\u4e0b\u8f7d\u5f88\u6162\u201d\u62b1\u6028\uff0c\u62c6\u89e3\u4e3a\u4e00\u4e2a\u4e2a\u53ef\u6d4b\u91cf\u7684\u5de5\u7a0b\u4efb\u52a1\uff0c\u8ba9\u4f60\u5f97\u4ee5\u4f18\u5148\u5904\u7406\u90a3\u4e9b\u771f\u6b63\u5728\u8def\u7531\u3001\u4f20\u8f93\u548c\u5e94\u7528\u5c42\u4e0a\u201c\u80fd\u52a8\u9488\u201d\u7684\u6539\u52a8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u8868\u9762\u770b\uff0c\u8fd9\u50cf\u662f\u4e2a\u6096\u8bba\uff1a\u4f60\u7684 \u7f8e\u56fd\u670d\u52a1\u5668 \u5728\u76d1\u63a7\u56fe\u4e0a\u5e26\u5bbd\u5229\u7528\u7387\u5f88\u4f4e\uff0c\u4f46\u7528\u6237\u5374\u4f9d\u7136\u62b1\u6028\u4e0b\u8f7d\u7f13\u6162\uff0c\u800c\u4f60\u7cbe\u5fc3\u8bbe\u7f6e\u7684\u5173\u952e\u8bcd\u77ed\u8bed \u201cUS server bandwidth optimization\uff08\u7f8e\u56fd\u670d\u52a1\u5668\u5e26\u5bbd\u4f18\u5316\uff09\u201d \u4eff\u4f5b\u6210\u4e86\u4e00\u4e2a\u51b7\u7b11\u8bdd\u3002\u5bf9\u5de5\u7a0b\u5e08\u548c\u8fd0\u7ef4\u56e2\u961f\u6765\u8bf4\uff0c\u8fd9\u7edd\u4e0d\u662f\u7b80\u5355\u7684\u201c\u52a0\u5927\u5e26\u5bbd\u201d\u95ee\u9898\uff0c\u800c\u662f\u534f\u8bae\u884c\u4e3a\u3001\u8def\u7531\u3001\u670d\u52a1\u5668\u9650\u5236\u4ee5\u53ca\u590d\u6742\u7684\u5ba2\u6237\u7aef\u771f\u5b9e\u7f51\u7edc\u73af\u5883\u4ea4\u7ec7\u5728\u4e00\u8d77\u7684\u7ed3\u679c\u3002 1. \u5206\u6e05\u5e26\u5bbd\u3001\u541e\u5410\u3001\u65f6\u5ef6\u4e0e\u4e22\u5305 \u5728\u6392\u67e5\u74f6\u9888\u4e4b\u524d\uff0c\u5148\u628a\u4eba\u4eec\u5e38\u5e38\u7b3c\u7edf\u79f0\u4e3a\u201c\u901f\u5ea6\u201d\u7684\u56db\u4e2a\u6982\u5ff5\u533a\u5206\u5f00\u6765\u5f88\u6709\u5fc5\u8981\u3002\u5b83\u4eec\u5f7c\u6b64\u5173\u8054\uff0c\u5374\u4e0d\u80fd\u4e92\u76f8\u66ff\u4ee3\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u628a\u7406\u8bba\u5bb9\u91cf\u548c\u5b9e\u9645\u89c2\u6d4b\u5230\u7684\u541e\u5410\u6df7\u4e3a\u4e00\u8c08\uff0c\u5f80\u5f80\u4f1a\u63a9\u76d6\u771f\u6b63\u7684\u7ea6\u675f\u3002 \u5df2\u914d\u7f6e\u5e26\u5bbd\uff1a\u94fe\u8def\u5408\u7ea6\u4e2d\u7ea6\u5b9a\u7684\u6700\u5927\u5bb9\u91cf\uff08\u4f8b\u5982\uff1a\u72ec\u5360\u7aef\u53e3\u4e0a\u7684 1&nbsp;Gbps\uff09\u3002 \u541e\u5410\u91cf\uff1a\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff0c\u5982\u6d41\u91cf\u65e5\u5fd7\u6216\u5ba2\u6237\u7aef\u4e0b\u8f7d\u6d4b\u91cf\u503c\u4e2d\u770b\u5230\u7684\u6570\u5b57\u3002 \u65f6\u5ef6\uff08\u5ef6\u8fdf\uff09\uff1a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6\u95f4\uff08RTT\uff09\uff0c\u53d7\u7269\u7406\u8ddd\u79bb\u548c\u8def\u7531\u7b56\u7565\u5f3a\u70c8\u5f71\u54cd\u3002 \u4e22\u5305\u4e0e\u6296\u52a8\uff1a\u6570\u636e\u5305\u4e22\u5931\u548c\u65f6\u5ef6\u6296\u52a8\u4f1a\u5bfc\u81f4\u91cd\u4f20\uff0c\u5e76\u5e72\u6270\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u7684\u5224\u65ad\u3002 \u5373\u4fbf\u7f8e\u56fd\u51fa\u53e3\u5e26\u5bbd\u5229\u7528\u7387\u56fe\u8868\u65e0\u804a\u5730\u505c\u7559\u5728 10\u201320%\uff0c\u5ba2\u6237\u7aef\u7684\u5b9e\u9645\u541e\u5410\u4ecd\u7136\u53ef\u80fd\u56e0\u4e3a 200&nbsp;ms \u7ea7\u522b\u7684 RTT\u3001\u8fc7\u5c0f\u7684 TCP \u7a97\u53e3\u6216\u8f7b\u5fae\u4e22\u5305\u800c\u4e00\u843d\u5343\u4e08\u3002\u8981\u9ad8\u6548\u6392\u969c\uff0c\u4f60\u7684\u5fc3\u667a\u6a21\u578b\u5fc5\u987b\u628a\u8fd9\u4e9b\u770b\u4f5c\u76f8\u4e92\u72ec\u7acb\u4f46\u5f7c\u6b64\u5f71\u54cd\u7684\u7ef4\u5ea6\uff0c\u800c\u4e0d\u662f\u540c\u4e00\u6307\u6807\u7684\u4e0d\u540c\u8bf4\u6cd5\u3002 2. \u4e3a\u4ec0\u4e48\u201c\u5e26\u5bbd\u7a7a\u95f2\u201d\u5e76\u4e0d\u4fdd\u8bc1\u4e0b\u8f7d\u5f88\u5feb \u5f53\u7528\u6237\u4ece\u7f8e\u56fd\u4e3b\u673a\u4e0b\u8f7d\u65f6\u53d1\u73b0\u901f\u5ea6\u60e8\u6de1\uff0c\u4ed6\u4eec\u5f80\u5f80\u4f1a\u60f3\uff1a\u4f60\u7684\u7aef\u53e3\u80af\u5b9a\u5df2\u7ecf\u88ab\u6253\u6ee1\u3002\u4f46\u5229\u7528\u7387\u62a5\u8868\u5374\u7ecf\u5e38\u5c55\u793a\u76f8\u53cd\u7684\u7ed3\u679c\u3002\u8fd9\u79cd\u5dee\u5f02\u901a\u5e38\u610f\u5473\u7740\uff0c\u771f\u6b63\u7684\u74f6\u9888\u5e76\u4e0d\u5728\u673a\u623f\u51fa\u53e3\u2014\u2014\u800c\u662f\u5728\u7aef\u5230\u7aef\u8def\u5f84\u4e2d\u7684\u67d0\u4e2a\u73af\u8282\uff0c\u5728\u8fdc\u8fdc\u4f4e\u4e8e\u540d\u4e49\u5bb9\u91cf\u7684\u5730\u65b9\u5c31\u5df2\u7ecf\u5bf9\u6709\u6548\u541e\u5410\u201c\u5361\u6b7b\u201d\u4e86\u3002 \u94fe\u8def\u4e2d\u7684\u201c\u6728\u6876\u77ed\u677f\u201d\uff1a\u8def\u7531\u4e0a\u7684\u67d0\u4e00\u6761\u7a84\u94fe\u8def\u53ef\u4ee5\u9650\u5236\u6574\u4e2a\u6d41\u91cf\u7684\u4e0a\u9650\uff0c\u5373\u4f7f\u4f60\u7684\u6570\u636e\u4e2d\u5fc3\u8fb9\u7f18\u94fe\u8def\u975e\u5e38\u5bbd\u88d5\u3002 \u534f\u8bae\u884c\u4e3a\uff1a\u62e5\u585e\u63a7\u5236\u4f1a\u5bf9\u4e22\u5305\u4e0e\u9ad8\u65f6\u5ef6\u505a\u51fa\u4fdd\u5b88\u53cd\u5e94\uff0c\u4ece\u800c\u8ba9\u541e\u5410\u957f\u671f\u5904\u4e8e\u504f\u4f4e\u6c34\u5e73\u3002 \u670d\u52a1\u5668\u81ea\u8eab\u9650\u5236\uff1a\u8fdb\u7a0b\u3001\u78c1\u76d8 I\/O \u6216\u5355\u8fde\u63a5\u9650\u901f\uff0c\u90fd\u53ef\u80fd\u628a\u4f20\u8f93\u901f\u7387\u538b\u5728\u8fdc\u4f4e\u4e8e\u7269\u7406\u7ebf\u8def\u901f\u5ea6\u7684\u6c34\u5e73\u4e0a\u3002 \u5ba2\u6237\u7aef\u4fa7\u4e0a\u9650\uff1a\u5bb6\u5ead\u5bbd\u5e26\u548c\u8f83\u5dee\u7684 Wi\u2011Fi 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