{"id":99185,"date":"2024-11-14T16:11:38","date_gmt":"2024-11-14T08:11:38","guid":{"rendered":"\/\/www.dealsbon.com\/?p=99185"},"modified":"2024-11-14T16:11:45","modified_gmt":"2024-11-14T08:11:45","slug":"tmcssrhsxd","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/99185.html","title":{"rendered":"\u900f\u660e\u4f20\u8f93\u662f\u5982\u4f55\u5b9e\u73b0\u7684"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u900f\u660e\u4f20\u8f93<\/strong>\u662f\u4e00\u79cd\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u539f\u59cb\u72b6\u6001\u548c\u5b8c\u6574\u6027\u7684\u6280\u672f\uff0c\u5176\u6838\u5fc3\u5728\u4e8e\u4e0d\u5bf9\u6570\u636e\u8fdb\u884c\u4efb\u4f55\u4fee\u6539\u6216\u5904\u7406\u3002\u8fd9\u79cd\u4f20\u8f93\u65b9\u5f0f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u7f51\u7edc\u3001\u901a\u4fe1\u7cfb\u7edf\u4ee5\u53ca\u7269\u8054\u7f51\u7b49\u9886\u57df\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u65e0\u7f1d\u4f20\u9012\u548c\u9ad8\u6548\u4ea4\u6362\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u900f\u660e\u4f20\u8f93\u7684\u5b9e\u73b0\u4e3b\u8981\u4f9d\u8d56\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6280\u672f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5e27\u540c\u6b65\u6280\u672f<\/strong>\uff1a\u900f\u660e\u4f20\u8f93\u8981\u6c42\u63a5\u6536\u65b9\u80fd\u591f\u51c6\u786e\u8bc6\u522b\u5e27\u7684\u8d77\u59cb\u548c\u7ed3\u675f\u4f4d\u7f6e\u3002\u5e38\u7528\u7684\u5e27\u540c\u6b65\u6280\u672f\u5305\u62ec\u5b57\u7b26\u586b\u5145\u3001\u6bd4\u7279\u586b\u5145\u548c\u8fdd\u89c4\u7f16\u7801\u7b49\u3002\u4f8b\u5982\uff0cHDLC\u534f\u8bae\u4f7f\u7528\u96f6\u6bd4\u7279\u586b\u5145\u6cd5\uff0c\u901a\u8fc7\u5728\u6570\u636e\u4e2d\u63d2\u5165\u96f6\u6bd4\u7279\u6765\u907f\u514d\u8fde\u7eed\u51fa\u73b0\u516d\u4e2a1\u7684\u60c5\u51b5\uff0c\u4ece\u800c\u786e\u4fdd\u63a5\u6536\u65b9\u80fd\u591f\u6b63\u786e\u89e3\u6790\u5e27\u8fb9\u754c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5c01\u88c5\u6210\u5e27<\/strong>\uff1a\u5728\u6570\u636e\u94fe\u8def\u5c42\uff0c\u6570\u636e\u88ab\u5206\u5272\u6210\u5e27\u8fdb\u884c\u4f20\u8f93\uff0c\u901a\u8fc7\u5728\u5e27\u7684\u9996\u5c3e\u6dfb\u52a0\u63a7\u5236\u4fe1\u606f\u6765\u5b9e\u73b0\u5e27\u5b9a\u754c\u3002\u4f8b\u5982\uff0cPPP\u534f\u8bae\u91c7\u7528\u5b57\u7b26\u586b\u5145\u6cd5\uff0c\u901a\u8fc7\u5728\u63a7\u5236\u5b57\u7b26\u524d\u52a0\u4e0a\u8f6c\u4e49\u5b57\u7b26ESC\u6765\u907f\u514d\u6570\u636e\u4e0e\u63a7\u5236\u4fe1\u606f\u6df7\u6dc6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u52a0\u5bc6\u4e0e\u5b89\u5168\u6280\u672f<\/strong>\uff1a\u4e3a\u4e86\u4fdd\u62a4\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u900f\u660e\u4f20\u8f93\u4e2d\u5e38\u7ed3\u5408\u4f7f\u7528\u52a0\u5bc6\u6280\u672f\u548c\u96a7\u9053\u6280\u672f\u3002\u4f8b\u5982\uff0cSSL\/TLS\u534f\u8bae\u548cVPN\u6280\u672f\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7269\u7406\u5c42\u548c\u7f51\u7edc\u5c42\u7684\u652f\u6301<\/strong>\uff1a\u900f\u660e\u4f20\u8f93\u4e0d\u4ec5\u9650\u4e8e\u6570\u636e\u94fe\u8def\u5c42\uff0c\u8fd8\u6d89\u53ca\u7269\u7406\u5c42\u548c\u7f51\u7edc\u5c42\u7684\u6280\u672f\u652f\u6301\u3002\u4f8b\u5982\uff0c\u5728\u7269\u7406\u5c42\uff0c\u7ea0\u9519\u7f16\u7801\u548c\u8c03\u5236\u6280\u672f\u53ef\u4ee5\u4fdd\u8bc1\u4fe1\u53f7\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027;\u5728\u7f51\u7edc\u5c42\uff0cIP\u534f\u8bae\u548cNAT\u6280\u672f\u5219\u7528\u4e8e\u5206\u7ec4\u3001\u5bfb\u5740\u548c\u8def\u7531\u9009\u62e9\uff0c\u786e\u4fdd\u6570\u636e\u5305\u6b63\u786e\u4f20\u8f93\u548c\u91cd\u7ec4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\u7684\u7279\u6b8a\u9700\u6c42<\/strong>\uff1a\u900f\u660e\u4f20\u8f93\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5728\u65e0\u7ebf\u6a21\u5757\u4e2d\uff0c\u900f\u660e\u4f20\u8f93\u901a\u5e38\u901a\u8fc7\u7279\u5b9a\u7684\u6280\u672f\u548c\u673a\u5236\u6765\u5b9e\u73b0\uff0c\u5982\u65e0\u7ebf\u6a21\u5757\u914d\u7f6e\u4e3a\u900f\u660e\u4f20\u8f93\u6a21\u5f0f\uff0c\u5c06\u53d1\u9001\u7aef\u7684\u6570\u636e\u539f\u5c01\u4e0d\u52a8\u5730\u8f6c\u53d1\u7ed9\u63a5\u6536\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u900f\u660e\u4f20\u8f93\u901a\u8fc7\u591a\u79cd\u6280\u672f\u548c\u673a\u5236\u7684\u7efc\u5408\u5e94\u7528\uff0c\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u539f\u59cb\u72b6\u6001\u548c\u5b8c\u6574\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u6570\u636e\u4ea4\u6362\u548c\u5171\u4eab\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u900f\u660e\u4f20\u8f93\u4e2d\u7684\u5e27\u540c\u6b65\u6280\u672f\u6709\u54ea\u4e9b\u6700\u65b0\u53d1\u5c55?<\/h2>\n\n\n\n<p>\u3000\u3000\u900f\u660e\u4f20\u8f93\u4e2d\u7684\u5e27\u540c\u6b65\u6280\u672f\u8fd1\u5e74\u6765\u53d6\u5f97\u4e86\u663e\u8457\u7684\u53d1\u5c55\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>QPSK\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u4e00\u79cd\u65b0\u7684QPSK(\u6b63\u4ea4\u76f8\u79fb\u952e\u63a7)\u661f\u5ea7\u56fe\u548c\u76f8\u5e94\u7684\u8c03\u5236\u6280\u672f\u88ab\u63d0\u51fa\uff0c\u65e8\u5728\u63d0\u9ad8\u4fe1\u9053\u8d44\u6e90\u7684\u9891\u8c31\u5229\u7528\u7387\u3002\u8be5\u65b9\u6cd5\u4e13\u6ce8\u4e8e\u540c\u6b65\u9690\u85cf\u5728\u4fe1\u606f\u5305\u4e2d\u7684\u4f4d\uff0c\u5141\u8bb8\u540c\u65f6\u4f20\u8f93\u4fe1\u606f\u548c\u540c\u6b65\u5e8f\u5217\u3002\u6b64\u5916\uff0c\u8fd8\u8003\u8651\u4e86\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u591a\u666e\u52d2\u504f\u79fb\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u8054\u5408\u540c\u6b65\u65b9\u6848\uff0c\u5b9e\u73b0\u5e27\u540c\u6b65\u3001\u9891\u7387\u504f\u79fb\u4f30\u8ba1\u548c\u8865\u507f\u3002\u901a\u8fc7\u4f18\u5316\u52a8\u6001\u9608\u503c\u4ee5\u589e\u5f3a\u53ef\u9760\u6027\uff0cSQPSK\u7684BER\u6027\u80fd\u63a5\u8fd1QPSK\uff0c\u5e76\u901a\u8fc7\u4eff\u771f\u7ed3\u679c\u5c55\u793a\u4e86\u4f20\u8f93\u6027\u80fd\u7684\u63d0\u5347\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53ef\u89c1\u5149\u901a\u4fe1\uff08VLC\uff09\u94fe\u8def\u7684\u5e27\u540c\u6b65<\/strong>\uff1a\u9488\u5bf9VLC\u7cfb\u7edf\u4e2d\u5e27\u540c\u6b65\u4e0d\u5b8c\u7f8e\u5bfc\u81f4\u7684\u95ee\u9898\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u65e0\u901f\u7387\u7f16\u7801\u7684\u8bbe\u8ba1\uff0c\u901a\u8fc7\u5e94\u7528\u5c42\u8f6f\u4ef6\u65b9\u6cd5(Smooth Codes)\uff0c\u89e3\u51b3\u4e86\u5e27\u540c\u6b65\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u4efb\u4f55\u5e27\u901f\u7387\u6761\u4ef6\u4e0b\u7684\u5c4f\u5e55-\u76f8\u673a\u5bf9\u80fd\u591f\u5e73\u6ed1\u5730\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u541e\u5410\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u6e90\u5168\u606f\u4f20\u9001\u4e2d\u7684\u5e27\u540c\u6b65<\/strong>\uff1aHoloSync\u662f\u4e00\u79cd\u65b0\u578b\u5e27\u540c\u6b65\u65b9\u6848\uff0c\u65e8\u5728\u652f\u6301\u6d89\u53ca\u591a\u4e2a\u8fdc\u7a0b\u6e90\u7684\u5b9e\u65f6\u5168\u606f\u4f20\u9001\u64cd\u4f5c\u3002\u8be5\u65b9\u6848\u901a\u8fc7\u8c03\u6574\u540c\u6b65\u7a97\u53e3\u548c\u8fd1\u4f3c\u9608\u503c\uff0c\u6709\u6548\u51cf\u5c11\u4e86\u8fd0\u52a8\u5931\u771f\uff0c\u63d0\u5347\u4e86\u7528\u6237\u4f53\u9a8c\u3002\u5b9e\u9a8c\u8868\u660e\uff0c\u5e94\u7528\u540c\u6b65\u7b97\u6cd5\u80fd\u663e\u8457\u964d\u4f4e\u8fd0\u52a8\u5931\u771f\uff0c\u4f46\u8fd9\u4e00\u51cf\u5c11\u4f9d\u8d56\u4e8e\u591a\u79cd\u53c2\u6570\uff0c\u5982\u540c\u6b65\u7a97\u53e3\u548c\u8fd1\u4f3c\u9608\u503c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u901f\u5149\u901a\u4fe1\u4e2d\u7684\u5e27\u540c\u6b65<\/strong>\uff1a\u4e00\u79cd\u5e76\u884c\u5faa\u73af\u79fb\u4f4d\u6bd4\u8f83\u7684\u5e27\u540c\u6b65\u65b9\u5f0f\u88ab\u8bbe\u8ba1\u548c\u5b9e\u73b0\uff0c\u7528\u4e8e\u9ad8\u901f\u5149\u901a\u4fe1\u8109\u51b2\u4f4d\u7f6e\u8c03\u5236(PPM)\u3002\u8be5\u65b9\u6848\u901a\u8fc7\u5bf9\u5e27\u5934\u540c\u6b65\u68c0\u6d4b\u9608\u503c\u8fdb\u884c\u8c03\u6574\uff0c\u5373\u4f7f\u5728\u5927\u6c14\u4fe1\u9053\u72b6\u6001\u6076\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u4ecd\u53ef\u4fdd\u6301\u8f83\u597d\u7684\u540c\u6b65\u6027\u80fd\uff0c\u4e14\u7cfb\u7edf\u5b9e\u7528\u3001\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u89c6\u9891\u4f20\u8f93\u4e2d\u7684\u5e27\u540c\u6b65<\/strong>\uff1a\u534e\u4e3a\u5728\u5176\u89c6\u98913.0+\u65b9\u6848\u4e2d\u5f15\u5165\u4e86\u201c\u5e27\u540c\u6b65\u6280\u672f\u201d\uff0c\u53ef\u8ba9\u591a\u8def\u89c6\u89d2\u4ee5\u5e27\u7ea7\u8bef\u5dee(\u5c0f\u4e8e40ms)\u5448\u73b0\u5728\u7528\u6237\u89c2\u770b\u7ec8\u7aef\u4e2d\uff0c\u4ece\u800c\u8425\u9020\u51fa\u66f4\u4e3a\u987a\u7545\u7684\u89c6\u89d2\u5207\u6362\u4f53\u9a8c\u3002\u8fd9\u79cd\u6280\u672f\u5728\u6f14\u5531\u4f1a\u3001\u97f3\u4e50\u4f1a\u3001\u4f53\u80b2\u6bd4\u8d5b\u7b49\u5bf9\u540c\u6b65\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u663e\u5f97\u5c24\u4e3a\u7a81\u51fa\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u900f\u660e\u4f20\u8f93\u4e2d\u7684\u5e27\u540c\u6b65\u6280\u672f\u5728\u591a\u4e2a\u9886\u57df\u90fd\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u5305\u62ecQPSK\u8c03\u5236\u6280\u672f\u3001VLC\u94fe\u8def\u7684\u65e0\u901f\u7387\u7f16\u7801\u8bbe\u8ba1\u3001\u591a\u6e90\u5168\u606f\u4f20\u9001\u4e2d\u7684HoloSync\u65b9\u6848\u3001\u9ad8\u901f\u5149\u901a\u4fe1\u4e2d\u7684\u5e76\u884c\u5faa\u73af\u79fb\u4f4d\u6bd4\u8f83\u65b9\u5f0f\u4ee5\u53ca\u89c6\u9891\u4f20\u8f93\u4e2d\u7684\u5e27\u7ea7\u8bef\u5dee\u63a7\u5236\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5728\u4e0d\u540c\u7f51\u7edc\u5c42\u5b9e\u73b0\u900f\u660e\u4f20\u8f93\u7684\u6280\u672f\u7ec6\u8282<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540c\u7f51\u7edc\u5c42\u5b9e\u73b0\u900f\u660e\u4f20\u8f93\u7684\u6280\u672f\u7ec6\u8282\u6d89\u53ca\u591a\u4e2a\u65b9\u9762\uff0c\u5305\u62ec\u6570\u636e\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u548c\u4f20\u8f93\u5c42\u3002\u4ee5\u4e0b\u662f\u5404\u4e2a\u5c42\u6b21\u7684\u8be6\u7ec6\u5b9e\u73b0\u6280\u672f\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 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class=\"wp-block-heading\">\u3000\u30002. \u7f51\u7edc\u5c42(\u4e3b\u673a\u8fc1\u79fb\u900f\u660e\u5ea6)<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u7f51\u7edc\u5c42\uff0c\u900f\u660e\u4f20\u8f93\u4e3b\u8981\u901a\u8fc7\u865a\u62df\u7f51\u7edc\u7684\u6982\u5ff5\u6765\u5b9e\u73b0\u3002\u865a\u62df\u7f51\u7edc\u662f\u4e00\u4e2a\u903b\u8f91\u7f51\u7edc\uff0c\u5b58\u5728\u4e8e\u5b9e\u9645\u7f51\u7edc\u4e4b\u4e0a\uff0c\u4ec5\u5bf9\u4f20\u8f93\u5c42\u53ef\u89c1\u3002\u6bcf\u4e2a\u4e3b\u673a\u5177\u6709\u865a\u62df\u7f51\u7edc\u5730\u5740(VN\u5730\u5740)\u548c\u7269\u7406\u7f51\u7edc\u5730\u5740(PN\u5730\u5740)\u3002VN\u5730\u5740\u4e0d\u4f1a\u6539\u53d8\uff0c\u5373\u4f7f\u4e3b\u673a\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u7269\u7406\u5b50\u7f51\u7edc\uff0c\u5176VN\u5730\u5740\u4ecd\u7136\u4fdd\u6301\u4e0d\u53d8\u3002PN\u5730\u5740\u8868\u793a\u4e3b\u673a\u5728\u7269\u7406\u7f51\u7edc\u4e2d\u7684\u4f4d\u7f6e\uff0c\u7528\u4e8e\u6570\u636e\u5305\u8def\u7531\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u5b9e\u73b0\u8fc1\u79fb\u900f\u660e\u5ea6\uff0c\u7f51\u7edc\u5c42\u5fc5\u987b\u63d0\u4f9b\u989d\u5916\u7684\u670d\u52a1\uff0c\u5305\u62ec\u8fc1\u79fb\u900f\u660e\u7684\u4e3b\u673a\u5bfb\u5740\u3001\u8fc1\u79fb\u900f\u660e\u7684\u65e0\u8fde\u63a5\u6a21\u5f0f\u901a\u4fe1\u3001\u65ad\u5f00\u8bf7\u6c42\u3001\u65ad\u5f00\u6307\u793a\u3001\u8fde\u63a5\u8bf7\u6c42\u548c\u8fde\u63a5\u6307\u793a\u3002\u8fd9\u4e9b\u670d\u52a1\u7531\u4f20\u8f93\u5c42\u63d0\u4f9b\uff0c\u4ee5\u5b9e\u73b0\u7aef\u5230\u7aef\u670d\u52a1\u7684\u4e3b\u673a\u8fc1\u79fb\u900f\u660e\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u4f20\u8f93\u5c42(\u7aef\u5230\u7aef\u900f\u660e\u4f20\u8f93)<\/h3>\n\n\n\n<p>\u3000\u3000\u4f20\u8f93\u5c42\u4e3a\u4e0a\u5c42\u63d0\u4f9b\u7aef\u5230\u7aef\u7684\u900f\u660e\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\u3002\u6240\u8c13\u900f\u660e\u7684\u4f20\u8f93\uff0c\u662f\u6307\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u4f20\u8f93\u5c42\u5bf9\u4e0a\u5c42\u5c4f\u853d\u4e86\u901a\u4fe1\u4f20\u8f93\u7cfb\u7edf\u7684\u5177\u4f53\u7ec6\u8282\u3002\u4f20\u8f93\u5c42\u5fc5\u987b\u63d0\u4f9b\u4ee5\u4e0b\u56db\u9879\u670d\u52a1\uff1a(T-1)\u4f20\u8f93\u5b9e\u4f53\u5bfb\u5740\uff0c\u4e3a\u4f20\u8f93\u5b9e\u4f53\u63d0\u4f9b\u8fc1\u79fb\u65e0\u5173\u7684\u6807\u8bc6\u7b26;(T-2)\u65e0\u8fde\u63a5\u6a21\u5f0f\u901a\u4fe1\uff0c\u63d0\u4f9b\u4f20\u8f93\u5c42\u65e0\u8fde\u63a5\u6a21\u5f0f\u901a\u4fe1;(T-3)\u8fde\u63a5\u5efa\u7acb\uff0c\u80fd\u591f\u5efa\u7acb\u4f20\u8f93\u5c42\u8fde\u63a5;(T-4)\u9762\u5411\u8fde\u63a5\u901a\u4fe1\uff0c\u80fd\u591f\u4fdd\u7559\u4f20\u8f93\u5c42\u901a\u4fe1\u5e76\u63d0\u4f9b\u9762\u5411\u8fde\u63a5\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0c\u4f20\u8f93\u5c42\u8fd8\u8d1f\u8d23\u8ddf\u8e2a\u6570\u636e\u5355\u5143\u788e\u7247\u3001\u4e71\u5e8f\u5230\u8fbe\u7684\u6570\u636e\u5305\u548c\u5176\u4ed6\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u7684\u5371\u9669\uff0c\u5e76\u9009\u62e9\u7f51\u7edc\u63d0\u4f9b\u7684\u6700\u5408\u9002\u7684\u670d\u52a1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u603b\u7ed3<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u7f51\u7edc\u5c42\u5b9e\u73b0\u900f\u660e\u4f20\u8f93\u7684\u6280\u672f\u7ec6\u8282\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6570\u636e\u94fe\u8def\u5c42<\/strong>\uff1a\u901a\u8fc7\u66ff\u6362MAC\u5730\u5740\u548c\u4f7f\u7528\u65b0\u7684\u4e8c\u5c42\u5934\u5c01\u88c5\u62a5\u6587\u6765\u5b9e\u73b0\u900f\u660e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u5c42<\/strong>\uff1a\u901a\u8fc7\u865a\u62df\u7f51\u7edc\u7684\u6982\u5ff5\u548c\u63d0\u4f9b\u989d\u5916\u7684\u670d\u52a1\u6765\u5b9e\u73b0\u4e3b\u673a\u8fc1\u79fb\u900f\u660e\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 SSL\/TLS\u534f\u8bae\u548cVPN\u6280\u672f\u5728\u900f\u660e\u4f20\u8f93\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>SSL VPN\u7684\u5b9e\u73b0<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000SSL VPN\u662f\u4e00\u79cd\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u7b80\u5355VPN\u670d\u52a1\uff0c\u5141\u8bb8\u900f\u660e\u7684\u5ba2\u6237\u7aefIP\u5730\u5740\u5207\u6362\u3002\u8fd9\u79cdVPN\u89e3\u51b3\u65b9\u6848\u6613\u4e8e\u4f7f\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e3aWeb\u4f1a\u8bdd\u63d0\u4f9b\u900f\u660e\u7684\u5ba2\u6237\u7aefIP\u5730\u5740\u5207\u6362\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000SSL VPN\u901a\u8fc7OpenVPN\u5b9e\u73b0\uff0cOpenVPN\u662f\u4e00\u79cd\u5f00\u6e90\u7684VPN\u8f6f\u4ef6\uff0c\u80fd\u591f\u5229\u7528SSL\u534f\u8bae\u8fdb\u884c\u52a0\u5bc6\u901a\u4fe1\u3002OpenVPN\u652f\u6301\u591a\u79cd\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff0c\u5305\u62ec\u7b2c3\u5c42IP\u96a7\u9053\u548c\u7b2c2\u5c42\u4ee5\u592a\u7f51\u96a7\u9053\uff0c\u8fd9\u4e9b\u96a7\u9053\u53ef\u4ee5\u4f20\u8f93\u4efb\u4f55\u7c7b\u578b\u7684\u7b2c2\u5c42\u4ee5\u592a\u7f51\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7LZO\u7b97\u6cd5\u8fdb\u884c\u538b\u7f29\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>OpenVPN\u4e0eSSL\u7ed3\u5408\u7684\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u7f51\u7edc\u9644\u52a0\u5b58\u50a8(NAS)\u7684\u5e94\u7528\u4e2d\uff0cOpenVPN\u7ed3\u5408SSL\u8bc1\u4e66\u88ab\u7528\u4e8e\u589e\u5f3a\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002\u8fd9\u79cd\u914d\u7f6e\u4e0d\u4ec5\u5141\u8bb8\u8fdc\u7a0b\u5ba2\u6237\u7aef\u901a\u8fc7\u516c\u5171\u4e92\u8054\u7f51\u5b89\u5168\u5730\u8bbf\u95ee\u672c\u5730NAS\uff0c\u8fd8\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000OpenVPN\u8fd8\u88ab\u7528\u4e8e\u6784\u5efa\u900f\u660e\u7684VPN\u96a7\u9053\uff0c\u8fd9\u79cd\u96a7\u9053\u5728\u4e0d\u5e94\u7528\u52a0\u5bc6\u548c\u7b7e\u540d\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002\u5f53\u4ee5\u592a\u7f51\u8bbe\u5907\u7684MTU\u5927\u5c0f\u8bbe\u7f6e\u4e3a6000\u5b57\u8282\u6216\u66f4\u9ad8\u65f6\uff0c\u900f\u660e\u96a7\u9053\u53ef\u4ee5\u5b9e\u73b0\u8fd1\u7ebf\u901f\u7387\u7684\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>SSL\/TLS\u534f\u8bae\u5728\u4fe1\u606f\u4f20\u8f93\u4e2d\u7684\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000SSL\/TLS\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f51\u7ad9\u548c\u7535\u5b50\u90ae\u4ef6\u7684\u5b89\u5168\u4fe1\u606f\u4f20\u8f93\u3002\u8fd9\u4e9b\u534f\u8bae\u901a\u8fc7\u52a0\u5bc6\u6280\u672f\u63d0\u4f9b\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\uff0c\u786e\u4fdd\u901a\u8fc7\u516c\u5171\u6216\u79c1\u4eba\u7f51\u7edc\u4f20\u8f93\u7684\u4fe1\u606f\u5b89\u5168\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\uff0cOpenVPN\u5229\u7528SSL\u534f\u8bae\u4fdd\u62a4\u4fe1\u606f\u4f20\u8f93\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u6570\u636e\u4f20\u8f93\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000SSL\/TLS\u534f\u8bae\u548cVPN\u6280\u672f\u5728\u900f\u660e\u4f20\u8f93\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u6db5\u76d6\u4e86\u4ece\u7b80\u5355\u7684\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684VPN\u670d\u52a1\u5230\u590d\u6742\u7684\u7f51\u7edc\u9644\u52a0\u5b58\u50a8\u5b89\u5168\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u53ca\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u6570\u636e\u4fdd\u62a4\u7b49\u591a\u4e2a\u9886\u57df\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u7269\u7406\u5c42\u7ea0\u9519\u7f16\u7801\u548c\u8c03\u5236\u6280\u672f\u5728\u4fdd\u8bc1\u4fe1\u53f7\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u65b9\u9762\u7684\u6700\u65b0\u8fdb\u5c55\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u7269\u7406\u5c42\u7ea0\u9519\u7f16\u7801\u548c\u8c03\u5236\u6280\u672f\u5728\u4fdd\u8bc1\u4fe1\u53f7\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u65b9\u9762\u7684\u6700\u65b0\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u524d\u5411\u9519\u8bef\u7ea0\u6b63\uff08FEC\uff09\u6280\u672f\u7684\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u5149\u7ebf\u8def\u4fa7\uff0c\u524d\u5411\u8bef\u7801\u7ea0\u9519\u6280\u672f(FEC)\u5229\u7528\u5197\u4f59\u7f16\u7801\u5bf9\u53ef\u80fd\u4ea7\u751f\u7684\u9519\u8bef\u6bd4\u7279\u8fdb\u884c\u7ea0\u6b63\uff0c\u5b9e\u73b0\u7269\u7406\u5c42\u65e0\u8bef\u7801\u4f20\u8f93\u3002OTN 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class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c\uff08LDPC\uff09\u7801\u548c\u6270\u7801\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LDPC\u7801\u56e0\u5176\u51fa\u8272\u7684\u9519\u8bef\u7ea0\u6b63\u80fd\u529b\u548c\u5f3a\u5927\u7684\u4fe1\u5ff5\u4f20\u64ad(BP)\u89e3\u7801\u5668\u5206\u6790\u5de5\u5177\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u7406\u5c42\u5b89\u5168\u4e2d\u3002\u901a\u8fc7\u7ed3\u5408\u7a7f\u5b54\u65b9\u6848\u548c\u975e\u7cfb\u7edf\u6027\u7801\uff0cLDPC\u7801\u53ef\u4ee5\u5b9e\u73b0\u8f83\u9ad8\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528LDPC\u7801\u548c\u7a7f\u5b54\u65b9\u6848\u7684\u5b89\u5168\u5b9e\u73b0\u7b97\u6cd5\u4ec5\u4f20\u8f93\u5947\u5076\u6821\u9a8c\u4f4d\u4ee5\u6d88\u9664\u79d8\u5bc6\u6d88\u606f\u7684\u66b4\u9732\uff0c\u800c\u89e3\u7801\u5668\u5219\u4f7f\u7528\u63a5\u6536\u5230\u7684\u5947\u5076\u6821\u9a8c\u4f4d\u6062\u590d\u7a7f\u5b54\u4f4d\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53e6\u5916\uff0c\u6270\u7801\u6280\u672f\u4e5f\u88ab\u7528\u4e8e\u63d0\u9ad8\u7269\u7406\u5c42\u7684\u5b89\u5168\u6027\u548c\u80fd\u91cf\u6548\u7387\u3002\u6270\u7801\u6280\u672f\u901a\u8fc7\u5c06\u6d88\u606f\u7f16\u7801\u4e3a\u7279\u5b9a\u683c\u5f0f\uff0c\u786e\u4fdd\u4e86\u7f16\u7801\u7684\u6b63\u786e\u6027\uff0c\u5e76\u63d0\u9ad8\u4e86\u4fe1\u566a\u6bd4\u4ee5\u7ea0\u6b63\u6240\u6709\u9519\u8bef\u3002\u8fd9\u79cd\u6280\u672f\u5728\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc(WSN)\u4e2d\u5c24\u5176\u6709\u6548\uff0c\u56e0\u4e3a\u5b83\u80fd\u663e\u8457\u964d\u4f4e\u7a83\u542c\u8005\u4e0e\u5408\u6cd5\u63a5\u6536\u8005\u4e4b\u95f4\u7684\u4fe1\u53f7\u5e72\u6270(SG)\uff0c\u4ece\u800c\u589e\u5f3a\u7f16\u7801\u7684\u9c81\u68d2\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u8c03\u5236\u6280\u672f\u7684\u8fdb\u6b65<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u4f4e\u4fe1\u566a\u6bd4(SNR)\u573a\u666f\u4e0b\uff0c\u4f7f\u7528\u66f4\u9ad8\u9636\u7684\u8c03\u5236\u65b9\u6848(\u59828-PSK\u300116-PSK\u548c16-QAM)\u53ef\u4ee5\u51cf\u5c11\u6bcf\u6bd4\u7279\u4f20\u8f93\u529f\u7387\uff0c\u540c\u65f6\u589e\u52a0\u6bcf\u4e2a\u7b26\u53f7\u7684\u6bd4\u7279\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u5c06\u6bd4\u7279\u8bef\u7801\u7387(BER)\u66f2\u7ebf\u5411\u66f4\u9ad8SNR\u9608\u503c\u79fb\u52a8\uff0c\u4ece\u800c\u63d0\u9ad8\u7269\u7406\u5c42\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u7269\u7406\u5c42\u534f\u8bae\u4e2d\uff0c\u8c03\u5236\u65b9\u5f0f\u7684\u9009\u62e9\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u4f8b\u5982\uff0cATSC\u6807\u51c6\u5b9a\u4e49\u4e86\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\uff0c\u5305\u62ecQPSK\u300116QAM-NUC\u300164QAM-NUC\u7b49\uff0c\u8fd9\u4e9b\u8c03\u5236\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u7269\u7406\u5c42\u7269\u7406\u8fc7\u7a0b(PLP)\u63d0\u4f9b\u4e0d\u540c\u7684\u8c03\u5236\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u6a21\u62df\u548c\u5b9e\u9a8c\u9a8c\u8bc1<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u8499\u7279\u5361\u6d1b\u6a21\u62df\u8bc4\u4f30\u4e0d\u540c\u4fe1\u9053\u7f16\u7801\u5728\u77ed\u6570\u636e\u5305\u957f\u5ea6\u4e0b\u7684\u6027\u80fd\uff0c\u4f7f\u7528BPSK\u8c03\u5236\u5e76\u901a\u8fc7\u52a0\u6027\u9ad8\u65af\u767d\u566a\u58f0(AWGN)\u4fe1\u9053\u4f20\u8f93\u4fe1\u53f7\u3002\u7ed3\u679c\u8868\u660e\uff0cVA\u3001Log-BP\u548cCRC-SCL\u89e3\u7801\u7b97\u6cd5\u5206\u522b\u7528\u4e8e\u5faa\u73af\u5197\u4f59\u6821\u9a8c(CCs)\u3001\u4f4e\u5bc6\u5ea6\u5947\u5076\u6821\u9a8c(LDPC)\u4ee3\u7801\u548c\u6781\u5316\u7801\uff0c\u5728\u4e0d\u540c\u4fe1\u566a\u6bd4\u6c34\u5e73\u4e0b\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7269\u7406\u5c42\u7ea0\u9519\u7f16\u7801\u548c\u8c03\u5236\u6280\u672f\u7684\u6700\u65b0\u8fdb\u5c55\u5305\u62ec\u591a\u79cdFEC\u6280\u672f\u7684\u5e94\u7528\u3001LDPC\u7801\u548c\u6270\u7801\u6280\u672f\u7684\u7ed3\u5408\u4f7f\u7528\u3001\u66f4\u9ad8\u9636\u8c03\u5236\u65b9\u6848\u7684\u5f15\u5165\u4ee5\u53ca\u901a\u8fc7\u6a21\u62df\u548c\u5b9e\u9a8c\u9a8c\u8bc1\u6765\u4f18\u5316\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 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