{"id":92020,"date":"2026-08-09T01:01:13","date_gmt":"2026-08-08T17:01:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92020.html"},"modified":"2026-08-09T01:01:13","modified_gmt":"2026-08-08T17:01:13","slug":"kkce-%e5%85%a8%e7%90%83200%e8%8a%82%e7%82%b9%e7%9a%84%e7%bd%91%e7%ab%99%e6%b5%8b%e9%80%9f%e5%b9%b3%e5%8f%b0-%e5%bf%ab%e5%bf%ab%e6%b5%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92020.html","title":{"rendered":"KKCE: \u5168\u7403200+\u8282\u70b9\u7684\u7f51\u7ad9\u6d4b\u901f\u5e73\u53f0-\u5feb\u5feb\u6d4b"},"content":{"rendered":"<h3>\u4e00\u3001\u5f15\u8a00&#xff1a;\u4e3a\u4ec0\u4e48 HTTP\/3 \u5f00\u4e86&#xff0c;\u4e8c\u6b21\u8bbf\u95ee\u5374\u6ca1\u5feb\u591a\u5c11&#xff1f;<\/h3>\n<p>\u5728\u5347\u7ea7 HTTP\/3 \u65f6&#xff0c;\u6211\u4eec\u5e38\u6709\u4e00\u4e2a\u9884\u671f&#xff1a;QUIC \u7684 0-RTT \u4f1a\u8bdd\u6062\u590d\u200b \u80fd\u8ba9\u8001\u7528\u6237\u91cd\u8fde\u96f6\u63e1\u624b&#xff0c;\u8de8\u6d0b\u8bbf\u95ee\u76f4\u63a5\u7701\u6389\u4e00\u4e2a RTT&#xff08;150ms&#043;&#xff09;\u3002<\/p>\n<p>\u53ea\u8981 www.kkce.com \u7684 \u7f51\u7ad9\u6d4b\u901f\u200b \u663e\u793a Protocol: h3&#xff0c;\u6211\u4eec\u4fbf\u8ba4\u4e3a 0-RTT \u5df2\u751f\u6548\u3002<\/p>\n<p>\u4f46\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a;0-RTT \u662f\u4e00\u628a\u5e26\u6761\u4ef6\u7684\u5200\u3002\u5b83\u8981\u6c42\u5ba2\u6237\u7aef\u7f13\u5b58\u8fc7\u4f1a\u8bdd\u7968\u636e&#xff08;Session Ticket&#xff09;\u3001\u670d\u52a1\u7aef\u5141\u8bb8 early data\u3001\u4e14\u4e2d\u95f4\u7f51\u7edc\u4e0d\u4e22 UDP\u3001\u4e0d\u62e6 0-RTT \u5305\u3002\u4efb\u4f55\u4e00\u73af\u65ad\u88c2&#xff0c;\u5c31\u4f1a\u9759\u9ed8\u56de\u9000\u5230 1-RTT&#xff0c;\u751a\u81f3\u56de\u9000\u5230 TCP\/HTTP2\u3002<\/p>\n<p>\u66f4\u5371\u9669\u7684\u662f&#xff0c;0-RTT \u6570\u636e\u65e0\u6cd5\u9632\u91cd\u653e\u2014\u2014\u653b\u51fb\u8005\u53ef\u622a\u83b7\u9996\u4e2a\u5305\u91cd\u653e\u5230\u670d\u52a1\u7aef&#xff0c;\u82e5\u670d\u52a1\u7aef\u5bf9 POST \u7b49\u975e\u5e42\u7b49\u8bf7\u6c42\u653e\u884c 0-RTT&#xff0c;\u5c31\u4f1a\u5f15\u53d1\u91cd\u590d\u4e0b\u5355\u7b49\u4e8b\u6545\u3002<\/p>\n<p>\u672c\u6587\u5c06\u5229\u7528 KKCE \u7684 \u5168\u7403200&#043;\u7f51\u7edc\u62e8\u6d4b\u8282\u70b9&#xff0c;\u628a 0-RTT \u7684\u201c\u6062\u590d\u7387\u201d\u548c\u201c\u91cd\u653e\u98ce\u9669\u201d\u644a\u5f00\u5728\u5730\u7406\u5730\u56fe\u4e0a&#xff0c;\u544a\u8bc9\u4f60\u54ea\u4e9b\u5730\u533a\u771f\u7684\u5403\u5230\u4e86 0-RTT&#xff0c;\u54ea\u4e9b\u5730\u533a\u5728\u5047\u88c5\u652f\u6301\u3002<\/p>\n<h3>\u4e8c\u30010-RTT \u7684\u751f\u6548\u6761\u4ef6\u4e0e\u5730\u7406\u8870\u51cf<\/h3>\n<h4>2.1 \u534f\u8bae\u5c42\u4e8b\u5b9e<\/h4>\n<ul>\n<li>\n<p>\u9996\u6b21\u8fde\u63a5 QUIC&#xff1a;1-RTT&#xff08;\u4f20\u8f93&#043;TLS \u5408\u5e76\u63e1\u624b&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u91cd\u8fde&#xff08;\u6709 Session Ticket&#xff09;&#xff1a;0-RTT&#xff0c;\u9996\u4e2a UDP \u5305\u5373\u5e26\u5e94\u7528\u6570\u636e&#xff08;\u5982 GET \u8bf7\u6c42&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u524d\u63d0&#xff1a;\u670d\u52a1\u7aef\u5728 TLS \u914d\u7f6e\u4e2d\u4e0b\u53d1 tls_session_ticket \u4e14\u58f0\u660e\u652f\u6301 early_data&#xff1b;\u5ba2\u6237\u7aef\u66fe\u8fde\u8fc7\u8be5\u4e3b\u673a&#xff1b;\u8bf7\u6c42\u65b9\u6cd5\u4e3a\u5e42\u7b49&#xff08;GET\/HEAD&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2.2 \u4e3a\u4ec0\u4e48\u5168\u7403\u8282\u70b9\u8868\u73b0\u4e0d\u4e00<\/h4>\n<ul>\n<li>\n<p>\u8fb9\u7f18\u8282\u70b9\u5dee\u5f02&#xff1a;CDN \u67d0\u533a\u57df\u8fb9\u7f18\u53ef\u80fd\u672a\u5f00\u542f ssl_early_data on;&#xff08;Nginx&#xff09;\u6216\u7b49\u4ef7\u914d\u7f6e&#xff0c;\u5bfc\u81f4\u8be5\u533a\u57df\u6c38\u8fdc 1-RTT\u3002<\/p>\n<\/li>\n<li>\n<p>UDP \u4e2d\u95f4\u4ef6\u62e6\u622a&#xff1a;\u4f01\u4e1a\u9632\u706b\u5899\u3001\u90e8\u5206\u79fb\u52a8\u8fd0\u8425\u5546\u4f1a\u4e22\u6216\u9650\u901f QUIC \u7684 UDP\/443&#xff0c;KKCE \u8282\u70b9\u82e5\u8d70\u8fd9\u7c7b\u51fa\u53e3&#xff0c;0-RTT \u5305\u6839\u672c\u51fa\u4e0d\u53bb&#xff0c;\u6d4b\u901f\u4f1a\u770b\u5230\u534f\u8bae\u56de\u9000 h2\u3002<\/p>\n<\/li>\n<li>\n<p>\u7968\u636e\u5730\u57df\u4e0d\u5171\u4eab&#xff1a;CDN \u8fb9\u7f18\u7968\u636e\u82e5\u6309\u8282\u70b9\u9694\u79bb&#xff08;\u975e\u5168\u5c40\u5171\u4eab&#xff09;&#xff0c;\u4ece\u6cd5\u5170\u514b\u798f\u65ad\u8fde\u540e\u5230\u67cf\u6797\u91cd\u8fde&#xff0c;\u7968\u636e\u65e0\u6548&#xff0c;0-RTT \u5931\u6548\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u4e09\u3001\u7528 KKCE \u5168\u7403200&#043;\u8282\u70b9\u6d4b 0-RTT \u6062\u590d\u7387<\/h3>\n<p>KKCE \u7f51\u7ad9\u6d4b\u901f\u53ef\u8f93\u51fa\u534f\u8bae\u7248\u672c\u3001TTFB\u3001\u63e1\u624b\u76f8\u5173\u5206\u89e3&#xff1b;\u914d\u5408\u201c\u4e24\u6b21\u8fde\u8d2f\u63a2\u6d4b\u201d\u53ef\u53cd\u63a8 0-RTT \u662f\u5426\u751f\u6548\u3002<\/p>\n<h4>3.1 \u53cc\u8df3\u63a2\u6d4b\u6cd5&#xff08;\u540c\u8282\u70b9&#xff09;<\/h4>\n<p>\u5bf9\u4efb\u4e00 KKCE \u8282\u70b9&#xff08;\u5982\u201c\u6cd5\u5170\u514b\u798f\u7535\u4fe1\u201d&#xff09;&#xff1a;<\/p>\n<li>\n<p>\u7b2c\u4e00\u8df3&#xff08;\u51b7\u8fde&#xff09;&#xff1a;\u5bf9\u8be5 URL \u53d1\u7f51\u7ad9\u6d4b\u901f&#xff0c;\u8bb0\u5f55 Protocol&#xff08;\u5e94\u662f h3&#xff09;\u3001TTFB_1\u3001\u662f\u5426\u89c1\u5230 Alt-Svc: h3&#061;&#034;:443&#034;\u3002<\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u8df3&#xff08;\u70ed\u8fde&#xff09;&#xff1a;\u6781\u77ed\u65f6\u95f4\u5185&#xff08;\u7968\u636e\u672a\u8fc7\u671f&#xff0c;\u901a\u5e38 &lt;24h&#xff09;\u540c\u4e00\u8282\u70b9\u518d\u6d4b\u540c URL&#xff08;\u53ef\u5e26\u76f8\u540c Accept \u5934\u6a21\u62df\u8001\u5ba2\u6237\u7aef&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5224\u65ad&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u82e5\u4e24\u6b21 Protocol \u5747\u4e3a h3&#xff0c;\u4e14 TTFB_2 \u660e\u663e\u5c0f\u4e8e TTFB_1 \u4e14\u63a5\u8fd1\u7eaf\u4f20\u8f93 RTT&#xff08;\u5982 TTFB_1&#061;180ms&#xff0c;TTFB_2&#061;30ms&#xff0c;\u8be5\u8282\u70b9\u5230\u670d\u52a1\u5668 RTT\u224830ms&#xff09;&#xff0c;\u8bf4\u660e 0-RTT \u751f\u6548\u3002<\/p>\n<\/li>\n<li>\n<p>\u82e5 TTFB_2 \u4ecd \u2248 TTFB_1 &#8211; 1RTT \u5dee\u503c&#xff08;\u5373\u7701\u4e86 1-RTT \u4f46\u6ca1\u7701\u5230 0&#xff09;&#xff0c;\u8bf4\u660e\u56de\u9000\u5230 1-RTT\u3002<\/p>\n<\/li>\n<li>\n<p>\u82e5\u7b2c\u4e8c\u8df3 Protocol \u53d8\u6210 h2&#xff0c;\u8bf4\u660e UDP\/QUIC \u88ab\u62e6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h4>3.2 0-RTT \u6062\u590d\u7387\u70ed\u529b\u56fe<\/h4>\n<p>\u5bf9\u5168\u7403200&#043;\u8282\u70b9\u6279\u91cf\u8dd1\u53cc\u8df3&#xff0c;\u7edf\u8ba1&#xff1a;<\/p>\n<ul>\n<li>\n<p>0-RTT \u751f\u6548\u8282\u70b9\u6570 \/ \u603b\u8282\u70b9\u6570 &#061; \u5168\u7403 0-RTT \u6062\u590d\u7387<\/p>\n<\/li>\n<li>\n<p>\u6309\u5927\u6d32\u5206\u7ec4&#xff1a;\u6b27\u6d32\u6062\u590d\u7387\u3001\u5357\u7f8e\u6062\u590d\u7387\u3001\u975e\u6d32\u6062\u590d\u7387\u2026\u2026<\/p>\n<\/li>\n<li>\n<p>\u989c\u8272\u6807\u5730\u56fe&#xff1a;\u6df1\u7eff&#061;0-RTT \u7a33\u3001\u9ec4&#061;1-RTT\u3001\u7ea2&#061;\u56de\u9000 h2\/\u8d85\u65f6<\/p>\n<\/li>\n<\/ul>\n<h4>3.3 \u8bc6\u522b\u201c\u5047 h3\u201d<\/h4>\n<p>\u67d0\u4e9b CDN \u5728 Alt-Svc \u91cc\u5e7f\u544a h3&#xff0c;\u4f46\u8fb9\u7f18\u4e0d\u652f\u6301 0-RTT\u3002KKCE \u6d4b\u901f\u4f1a\u663e\u793a h3 \u534f\u8bae&#xff0c;\u4f46\u53cc\u8df3 TTFB \u4e0d\u7f29\u51cf\u2014\u2014\u8fd9\u5c31\u662f\u201c\u5047 h3 \u771f 1-RTT\u201d&#xff0c;\u5e73\u5747\u5ef6\u8fdf\u597d\u770b&#xff0c;\u4f46\u8001\u7528\u6237\u91cd\u8fde\u6536\u76ca\u4e3a\u96f6\u3002<\/p>\n<h3>\u56db\u3001\u91cd\u653e\u653b\u51fb\u9762&#xff1a;0-RTT \u5f00\u7ed9\u8c01&#xff1f;<\/h3>\n<p>0-RTT \u7684\u786c\u7ea6\u675f&#xff1a;\u53ea\u5141\u8bb8\u5e42\u7b49\u8bf7\u6c42\u3002KKCE \u867d\u4e0d\u53d1\u5305\u653b\u51fb&#xff0c;\u4f46\u53ef\u5e2e\u4f60\u5ba1\u8ba1\u670d\u52a1\u7aef\u914d\u7f6e\u662f\u5426\u8d8a\u754c\u3002<\/p>\n<h4>4.1 \u901a\u8fc7\u54cd\u5e94\u5934\u4e0e\u884c\u4e3a\u53cd\u63a8<\/h4>\n<ul>\n<li>\n<p>\u7528 KKCE HTTP \u6d4b\u901f\u200b \u53d1\u4e00\u4e2a POST \u8bf7\u6c42&#xff08;\u82e5\u5e73\u53f0\u652f\u6301\u81ea\u5b9a\u4e49\u65b9\u6cd5&#xff09;\u5230\u5f00\u542f 0-RTT \u7684\u63a5\u53e3&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u82e5\u670d\u52a1\u7aef\u63a5\u53d7\u5e76\u5728 0-RTT \u9636\u6bb5\u8fd4\u56de 200\/201 \u2192 \u914d\u7f6e\u5371\u9669&#xff0c;\u5b58\u5728\u91cd\u653e\u4e0b\u5355\u98ce\u9669\u3002<\/p>\n<\/li>\n<li>\n<p>\u82e5\u8fd4\u56de 425 Too Early \u6216\u5f3a\u5236\u7b49\u63e1\u624b\u5b8c\u6210 \u2192 \u914d\u7f6e\u5b89\u5168\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u68c0\u67e5 SSL \u68c0\u6d4b\u4e2d\u7684 TLS 1.3 \u65e9\u671f\u6570\u636e\u652f\u6301\u58f0\u660e&#xff0c;\u7ed3\u5408 Nginx\/Envoy \u914d\u7f6e\u5e38\u8bc6&#xff1a;\u53ea\u6709 ssl_early_data on; &#043; \u5e94\u7528\u5c42\u5bf9 SSL_get_early_data_status() \u505a\u5e42\u7b49\u6821\u9a8c\u624d\u5b89\u5168\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>4.2 \u5168\u7403\u8282\u70b9\u201c\u91cd\u653e\u654f\u611f\u5ea6\u201d\u5dee\u5f02<\/h4>\n<ul>\n<li>\n<p>\u79fb\u52a8\u7f51\u7edc\u8282\u70b9&#xff08;\u5982\u201c\u5723\u4fdd\u7f57 Vivo 4G\u201d&#xff09;&#xff1a;NAT \u91cd\u5199 IP \u9891\u7e41&#xff0c;QUIC \u8fde\u63a5\u8fc1\u79fb\u89e6\u53d1\u591a&#xff0c;0-RTT \u7968\u636e\u66f4\u6613\u6df7\u4e71&#xff0c;\u82e5\u670d\u52a1\u7aef\u4e0d\u4e25\u5224 early_data \u6765\u6e90&#xff0c;\u91cd\u653e\u7a97\u53e3\u66f4\u5927\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f01\u4e1a\u7f51\u8282\u70b9&#xff1a;UDP \u5e38\u88ab\u62e6&#xff0c;0-RTT 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