\u7b80\u4ecb<\/strong><\/div>\n
\u5f88\u591a\u5c0f\u4f19\u4f34\u53ef\u80fd\u8fd8\u6c89\u6d78\u5728HTTP1.1\u7684\u4e16\u754c\u65e0\u6cd5\u81ea\u62d4\uff0c\u4f46\u662f\u65f6\u4ee3\u7684\u6d2a\u6d41\u5df2\u7ecf\u5e26\u9886\u6211\u4eec\u6765\u5230\u4e86HTTP3\u7684\u4e16\u754c\u4e86\u3002\u662f\u7684\uff0c\u4f60\u5728\u6865\u4e0a\u770b\u98ce\u666f\uff0c\u800c\u6865\u8fb9\u7684\u623f\u5b50\u4e0a\u6709\u4eba\u6b63\u5728\u770b\u4f60\u3002<\/p>\n
\u4e3a\u4e86\u4e0d\u88ab\u65f6\u4ee3\u6240\u629b\u5f03\uff0c\u4eca\u5929\u7ed9\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0bHTTP3\u7684\u65b0\u7279\u6027\u3002<\/p>\n
HTTP\u6210\u957f\u4ecb\u7ecd<\/strong><\/div>\n
HTTP\u7684\u5168\u540d\u53eb\u505a\u8d85\u6587\u672c\u4f20\u8f93\u200b\u200b\u534f\u8bae\uff0c\u662f\u4e07\u7ef4\u7f51\u6240\u57fa\u4e8e\u7684\u5e94\u7528\u5c42\u4f20\u8f93\u534f\u8bae\u3002\u6700\u521d\u7684\u7248\u672c\u662fHTTP 0.9\uff0c\u662f\u572880\u5e74\u7684\u540e\u671f\u4ea7\u751f\u7684\uff0c\u540e\u9762\u57281996\u5e74\u5347\u7ea7\u5230\u4e861.0.<\/p>\n
\u4f46\u662fHTTP1.0\u6ee1\u8db3\u4e0d\u4e86\u65e5\u76ca\u589e\u957f\u7684\u7269\u8d28\u6587\u5316\u9700\u6c42\u548c\u5bf9\u7f8e\u597d\u4e16\u754c\u7684\u5411\u5f80\u3002\u6240\u4ee5\u57281997\u5e74\u51fa\u73b0\u4e86HTTP1.1\uff0c\u968f\u540e\u52302014\u5e74\uff0cHTTP1.1\u90fd\u4e00\u76f4\u90fd\u5728\u66f4\u65b0\u3002<\/p>\n
\u7136\u540e\u5230\u4e862015\u5e74\uff0c\u4e3a\u4e86\u9002\u5e94\u5feb\u901f\u53d1\u9001\u7684web\u5e94\u7528\u548c\u73b0\u4ee3\u6d4f\u89c8\u5668\u7684\u9700\u6c42\uff0c\u5728Google\u7684SPDY\u9879\u76ee\u57fa\u7840\u4e0a\u53d1\u5c55\u51fa\u4e86\u65b0\u7684HTTP2\u534f\u8bae\u3002<\/p>\n
\u53c8\u8fc7\u4e864\u5e74\uff0c\u57282019\u5e74\uff0cGoogle\u53c8\u5f00\u53d1\u51fa\u4e86\u4e00\u4e2a\u65b0\u7684\u534f\u8bae\u6807\u51c6QUIC\u534f\u8bae\uff0c\u5b83\u5c31\u662fHTTP3\u7684\u57fa\u77f3\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u7528\u6237\u4e0e\u7f51\u7ad9\u548cAPI\u4ea4\u4e92\u7684\u901f\u5ea6\u548c\u5b89\u5168\u6027\u3002<\/p>\n
\u4e0d\u540cHTTP\u534f\u8bae\u89e3\u51b3\u7684\u95ee\u9898<\/strong><\/div>\n
\u4e0d\u540cHTTP\u534f\u8bae\u89e3\u51b3\u7684\u95ee\u9898\u4e5f\u662f\u4e0d\u540c\u7684\uff0cHTTP1.1\u6709\u4ec0\u4e48\u95ee\u9898\u5462\uff1f<\/p>\n
1.\u56e0\u4e3aHTTP1.1\u4e00\u4e2a\u8fde\u63a5\u4e2d\u6570\u636e\u662f\u987a\u5e8f\u4f20\u8f93\u7684\uff0c\u6240\u4ee5\u4f1a\u6709Head-of-line Blocking\u7684\u95ee\u9898\uff0c\u5982\u679c\u524d\u9762\u662f\u4e00\u4e2a\u5927\u7684\u6570\u636e\u5305\uff0c\u5219\u4f1a\u5bfc\u81f4\u540e\u7eed\u6570\u636e\u5305\u7684\u963b\u585e\u3002<\/p>\n
2.HTTP1.1\u65e0\u6cd5\u5bf9\u8bf7\u6c42\u5934\u548ccookie\u8fdb\u884c\u538b\u7f29\uff0c\u6240\u4ee5\u4f20\u8f93\u6548\u7387\u4f1a\u6bd4\u8f83\u4f4e\u3002<\/p>\n
3.\u4e3a\u4e86\u4fdd\u8bc1\u7f13\u51b2\u533a\u4e0d\u4f1a\u6ea2\u51fa\uff0cHTTP1.1\u6709\u4e00\u4e2aTCP\u6162\u542f\u52a8\u7684\u529f\u80fd\uff0c\u4f5c\u4e3a\u62e5\u585e\u63a7\u5236\u63aa\u65bd\uff0c\u534f\u8bae\u53cd\u590d\u63a2\u6d4b\u7f51\u7edc\u4ee5\u8ba1\u7b97\u53ef\u7528\u5bb9\u91cf\uff0c\u4f46\u662f\u8fd9\u6837\u5c31\u4f1a\u5bfc\u81f4\u591a\u6b21\u6570\u636e\u7684\u4f20\u8f93\uff0c\u4ece\u800c\u5bfc\u81f4\u6d88\u606f\u7684\u5ef6\u65f6\u3002<\/p>\n
\u5bf9\u4e8eHTTP2\u6765\u8bf4\uff0c\u5b83\u4f7f\u7528\u4e8c\u8fdb\u5236\u8fdb\u884c\u6d88\u606f\u4f20\u8f93\uff0c\u5e76\u4e14\u5c06\u6d88\u606f\u62c6\u5206\u6210\u4e00\u4e2a\u4e2a\u7684stream\uff0c\u5728stream\u4e2d\u53c8\u5305\u542b\u4e86\u591a\u4e2aframe\uff0c\u5141\u8bb8\u8d44\u6e90\u901a\u8fc7\u591a\u8def\u590d\u7528\u4f7f\u7528\u540c\u4e00\u4e2a\u8fde\u63a5\u53d1\u9001\uff0c\u89e3\u51b3\u4e86\u884c\u5934\u963b\u585e\u7684\u95ee\u9898\uff0c\u5e76\u4e14\u8fd8\u652f\u6301\u6570\u636e\u5305\u7684\u4f18\u5148\u7ea7\u548c\u670d\u52a1\u5668\u63a8\u9001\u3002<\/p>\n
\u4f46\u662fHTTP2\u7684\u670d\u52a1\u5668\u63a8\u9001\u4f1a\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u590d\u6742\uff0cTCP\u7ea7\u522b\u7684\u5934\u963b\u585e\u7684\u95ee\u9898\u5728\u6570\u636e\u5305\u4e22\u5931\u5e76\u4e14\u5fc5\u987b\u91cd\u65b0\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u91cd\u65b0\u53d1\u9001\u65f6\uff0c\u4ecd\u7136\u53ef\u80fd\u53d1\u751f\u3002<\/p>\n
\u8981\u6ce8\u610f\uff0cHTTP\/2\u662fHTTP\/1.1\u7684\u6269\u5c55\uff0c\u800c\u4e0d\u662f\u5b83\u7684\u66ff\u4ee3\u54c1\u3002 \u5e94\u7528\u7a0b\u5e8f\u8bed\u4e49\u4fdd\u6301\u4e0d\u53d8\uff0c\u5177\u6709\u76f8\u540c\u7684HTTP\u65b9\u6cd5\u3001\u72b6\u6001\u4ee3\u7801\u3001URI\u548c\u6807\u5934\u5b57\u6bb5\u3002 \u6240\u4ee5HTTP\/2\u53ef\u4ee5\u88ab\u7528\u5728\u4efb\u4f55\u4f7f\u7528HTTP\/1.1\u7684\u5730\u65b9\u3002<\/p>\n
HTTP\/2\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f7f\u7528\u5355\u4e2aTCP\u8fde\u63a5\uff0c\u8be5\u8fde\u63a5\u5728\u4ea4\u4e92\u671f\u95f4\u4fdd\u6301\u6253\u5f00\u72b6\u6001\u3002<\/p>\n
\u867d\u7136HTTP\/2\u652f\u6301\u5e76\u53d1\uff0c\u4f46\u662f\u8fc7\u591a\u7684\u5e76\u53d1\u4f1a\u5bfc\u81f4HTTP\/2\u670d\u52a1\u5668\u63a5\u6536\u5230\u5927\u6279\u91cf\u7684\u8bf7\u6c42\uff0c\u4ece\u800c\u5bfc\u81f4\u8bf7\u6c42\u8d85\u65f6\u3002<\/p>\n
HTTP3\u548cQUIC<\/strong><\/div>\n
HTTP\/3\u7684\u76ee\u6807\u662f\u901a\u8fc7\u89e3\u51b3HTTP\/2\u7684\u4f20\u8f93\u76f8\u5173\u95ee\u9898\uff0c\u5728\u6240\u6709\u5f62\u5f0f\u7684\u8bbe\u5907\u4e0a\u63d0\u4f9b\u5feb\u901f\u3001\u53ef\u9760\u548c\u5b89\u5168\u7684Web\u8fde\u63a5\u3002\u4e3a\u6b64\uff0c\u5b83\u4f7f\u7528\u4e86\u4e00\u79cd\u4e0d\u540c\u7684\u4f20\u8f93\u5c42\u7f51\u7edc\u534f\u8bae\uff0c\u79f0\u4e3aQUIC\uff0c\u8be5\u534f\u8bae\u6700\u521d\u7531Google\u5f00\u53d1\u7684\u3002<\/p>\n
\u611f\u6168\u4e00\u4e0b\uff0c\u867d\u7136\u6700\u8fd1\u4e2d\u56fd\u5728\u7cfb\u7edf\u7684\u5e94\u7528\u65b9\u9762\u6709\u4e86\u4e00\u5b9a\u7684\u8fdb\u6b65\uff0c\u4f46\u662f\u770b\u770b\u8fd9\u4e9b\u5e95\u5c42\u7684\u534f\u8bae\uff0c\u8fd8\u90fd\u662f\u5916\u56fd\u4eba\u641e\u51fa\u6765\u7684\u3002<\/p>\n
HTTP\/2\u548cHTTP\/3\u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\uff0cHTTP\/2\u5e95\u5c42\u4f7f\u7528\u7684\u662fTCP\u534f\u8bae\uff0c\u800cHTTP\/3\u4f7f\u7528\u7684\u662fQUIC\uff0c\u800cQUIC\u7684\u5e95\u5c42\u4f7f\u7528\u7684\u662fUDP\u534f\u8bae\u3002<\/p>\n
\u6211\u4eec\u770b\u4e00\u4e0bHTTP\/2\u548cHTTP\/3\u7684\u534f\u8bae\u6808\u5bf9\u6bd4\uff1a<\/p>\n
TCP\u534f\u8bae\u4e3b\u8981\u4fdd\u8bc1\u670d\u52a1\u7684\u53ef\u9760\u6027\u548c\u6709\u5e8f\u4ea4\u4ed8\uff0c\u4f46\u662fTCP\u9700\u8981\u540c\u63e1\u624b\u6765\u5efa\u7acb\u8fde\u63a5\uff0c\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u786e\u4fdd\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u5b58\u5728\u5e76\u4e14\u4ed6\u4eec\u613f\u610f\u5e76\u4e14\u80fd\u591f\u4ea4\u6362\u6570\u636e\u3002\u4f46\u662f\uff0c\u5b83\u4e5f\u9700\u8981\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u7edc\u5f80\u8fd4\u624d\u80fd\u5b8c\u6210\uff0c\u7136\u540e\u624d\u80fd\u5728\u8fde\u63a5\u4e0a\u5b8c\u6210\u4efb\u4f55\u5176\u4ed6\u64cd\u4f5c\u3002 \u5982\u679c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u76f8\u8ddd\u6bd4\u8f83\u8fdc\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u82b1\u8d39\u8f83\u591a\u7684\u65f6\u95f4\u6765\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n
\u6211\u4eec\u77e5\u9053UDP\u662f\u65e0\u8fde\u63a5\u7684\uff0c\u6240\u4ee5\u5b83\u8981\u6bd4TCP\u7b80\u5355\u5f88\u591a\u3002\u5b83\u4e0d\u9700\u8981TCP\u8fd9\u79cd\u5efa\u7acb\u591a\u6b21\u8fde\u63a5\u7684\u6b65\u9aa4\uff0c\u53ea\u9700\u8981\u53d1\u9001\u6570\u636e\u5305\u51fa\u53bb\u5c31\u591f\u4e86\u3002<\/p>\n
\u6240\u4ee5\u4f7f\u7528QUIC\u7684\u4f18\u70b9\u5c31\u5728\u4e8e\u51cf\u5c11\u4e86\u7cfb\u7edf\u7684\u5ef6\u65f6\uff0c\u9002\u7528\u4e8e\u53ef\u4ee5\u5bb9\u5fcd\u4e00\u4e9b\u6570\u636e\u4e22\u5305\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u5728\u7ebf\u6e38\u620f\u3001\u5e7f\u544a\u7ade\u4ef7\u3001\u5728\u7ebf\u89c6\u9891\u3001\u5b9e\u65f6\u6d41\u7b49\u5730\u65b9\u3002<\/p>\n
\u53e6\u5916\u56e0\u4e3aUDP\u652f\u6301\u5e7f\u64ad\uff0c\u6240\u4ee5HTTP3\u8fd8\u9002\u7528\u4e8e\u5e7f\u64ad\u5e94\u7528\u4e2d\uff0c\u5982\u7cbe\u786e\u65f6\u95f4\u534f\u8bae\u548c\u8def\u7531\u4fe1\u606f\u534f\u8bae\u7b49\u3002<\/p>\n
\u53e6\u5916HTTP3\u8fd8\u53ef\u4ee5\u7528\u5728\u7269\u8054\u7f51\u3001\u5927\u6570\u636e\u548cVR\u7b49\u65b9\u9762\u3002<\/p>\n
\u65e2\u7136HTTP3\u4f7f\u7528\u7684\u662fQUIC\u534f\u8bae\uff0c\u90a3\u4e48QUIC\u5230\u5e95\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n
\u901a\u5e38\u6765\u8bf4QUIC\u662f\u4e00\u79cd\u901a\u7528\u4f20\u8f93\u534f\u8bae\uff0c\u4e0eTCP\u975e\u5e38\u76f8\u4f3c\u3002\u4e3a\u4ec0\u4e48\u8981\u6253\u9020\u4e00\u5957\u65b0\u7684\u534f\u8bae\u5462\uff1f\u8fd9\u662f\u56e0\u4e3a\u73b0\u6709\u7684TCP\u534f\u8bae\u6269\u5c55\u8d77\u6765\u975e\u5e38\u56f0\u96be\uff0c\u56e0\u4e3a\u5df2\u7ecf\u6709\u592a\u591a\u592a\u591a\u7684\u8bbe\u5907\u4f7f\u7528\u4e86\u5404\u79cd\u4e0d\u540c\u7684TCP\u534f\u8bae\u7684\u7248\u672c\uff0c\u5982\u679c\u60f3\u76f4\u63a5\u5728\u73b0\u6709\u7684TCP\u534f\u8bae\u4e0a\u8fdb\u884c\u6269\u5c55\u975e\u5e38\u56f0\u96be\uff0c\u56e0\u4e3a\u9700\u8981\u7ed9\u8fd9\u4e48\u591a\u53f0\u8bbe\u5907\u8fdb\u884c\u5347\u7ea7\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u5b8c\u6210\u7684\u4efb\u52a1\u3002<\/p>\n
\u6240\u4ee5QUIC\u5728\u9009\u62e9\u5728UDP\u534f\u8bae\u4e4b\u4e0a\u8fdb\u884c\u6784\u5efa\u3002QUIC\u4f7f\u7528UDP\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u5e0c\u671b\u80fd\u8ba9HTTP\/3\u66f4\u5bb9\u6613\u90e8\u7f72\uff0c\u56e0\u4e3a\u5b83\u5df2\u7ecf\u88ab\u4e92\u8054\u7f51\u4e0a\u7684\u6240\u6709\u8bbe\u5907\u6240\u77e5\u5e76\u5df2\u5b9e\u73b0.<\/p>\n
QUIC\u5b9e\u9645\u4e0a\u5c31\u662f\u5728UDP\u57fa\u7840\u4e0a\u91cd\u5199\u4e86TCP\u7684\u529f\u80fd\uff0c\u4f46\u662f\u53c8\u6bd4TCP\u66f4\u52a0\u667a\u80fd\uff0c\u66f4\u9ad8\u6548\u7684\u5b9e\u73b0\u4e86TCP\u7684\u6838\u5fc3\u529f\u80fd\u3002<\/p>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u770b\u4e0bQUIC\u5177\u4f53\u6709\u54ea\u4e9b\u7279\u5f81\u3002<\/p>\n
TLS1.3<\/strong><\/span><\/div>\n
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