{"id":320,"date":"2020-12-15T21:52:47","date_gmt":"2020-12-15T13:52:47","guid":{"rendered":"http:\/\/blog.cyasylum.top\/?p=320"},"modified":"2020-12-16T11:59:36","modified_gmt":"2020-12-16T03:59:36","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c-%e6%95%b0%e6%8d%ae%e9%93%be%e8%b7%af%e5%b1%82","status":"publish","type":"post","link":"http:\/\/blog.cyasylum.top\/index.php\/2020\/12\/15\/%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c-%e6%95%b0%e6%8d%ae%e9%93%be%e8%b7%af%e5%b1%82\/","title":{"rendered":"\u8ba1\u7b97\u673a\u7f51\u7edc-\u6570\u636e\u94fe\u8def\u5c42"},"content":{"rendered":"<ul>\n<li>\u94fe\u8def\u5c42\u7684\u529f\u80fd<\/li>\n<li>\u94fe\u8def\u5c42\u7684\u4fe1\u9053<\/li>\n<li>\u5c40\u57df\u7f51&amp;\u5e7f\u57df\u7f51<\/li>\n<li>\u94fe\u8def\u5c42\u7684\u8bbe\u5907<\/li>\n<\/ul>\n<h1>\u57fa\u672c\u6982\u5ff5<\/h1>\n<ul>\n<li>\u7ed3\u70b9\uff1a\u4e3b\u673a\u3001\u8def\u7531\u5668<\/li>\n<li>\u94fe\u8def\uff1a\u8282\u70b9\u4e4b\u95f4\u7684\u7269\u7406\u901a\u9053\uff0c\u7ecf\u8fc7\u4f20\u8f93\u4ecb\u8d28<\/li>\n<li>\u6570\u636e\u94fe\u8def\uff1a\u8282\u70b9\u4e4b\u95f4\u7684\u903b\u8f91\u901a\u9053\uff0c\u4e3a\u94fe\u8def\u8865\u5145\u5b9e\u73b0\u63a7\u5236\u6570\u636e\u4f20\u8f93\u534f\u8bae\u7684\u786c\u4ef6\u8f6f\u4ef6<\/li>\n<li>\u5e27\uff1a\u94fe\u8def\u5c42\u7684\u534f\u8bae\u6570\u636e\u5355\u5143\uff0c\u5c01\u88c5\u7f51\u7edc\u5c42\u6570\u636e\u62a5<\/li>\n<\/ul>\n<p>\u6570\u636e\u94fe\u8def\u5c42\u8d1f\u8d23\u901a\u8fc7\u4e00\u6761\u94fe\u8def\u4ece\u4e00\u4e2a\u7ed3\u70b9\u5411\u53e6\u4e00\u4e2a\u7269\u7406\u94fe\u8def\u76f4\u63a5\u76f8\u8fde\u7684\u76f8\u90bb\u8282\u70b9\u4f20\u9001\u6570\u636e\u62a5\u3002<\/p>\n<p>\u6570\u636e\u94fe\u8def\u5c42\u5728\u7269\u7406\u5c42\u63d0\u4f9b\u7684\u57fa\u7840\u4e0a\u5411\u7f51\u7edc\u5c42\u63d0\u4f9b\u670d\u52a1\u7684\u57fa\u7840\u4e0a\u5411\u7f51\u7edc\u5c42\u63d0\u4f9b\u670d\u52a1\uff0c\u5176\u6700\u57fa\u672c\u7684\u670d\u52a1\u662f\u6e90\u81ea\u7f51\u7edc\u5c42\u6765\u7684\u53ef\u9760\u7684\u4f20\u8f93\u5230\u76f8\u90bb\u8282\u70b9\u7684\u76ee\u6807\u673a\u7f51\u7edc\u5c42\u3002\u4f5c\u7528\u4e3a\u52a0\u5f3a\u7269\u7406\u5c42\u4f20\u8f93\u539f\u59cb\u6bd4\u7279\u6d41\u7684\u529f\u80fd\uff0c\u5c06\u53ef\u80fd\u51fa\u9519\u7684\u7269\u7406\u94fe\u8def\u8f6c\u5316\u4e3a\u903b\u8f91\u65e0\u5dee\u9519\u7684\u6570\u636e\u94fe\u8def\uff0c\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<ul>\n<li>\u529f\u80fd\n<ul>\n<li>\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b\u670d\u52a1\n<ul>\n<li>\u65e0\u786e\u8ba4\u65e0\u8fde\u63a5\u670d\u52a1<\/li>\n<li>\u6709\u786e\u8ba4\u65e0\u8fde\u63a5\u670d\u52a1<\/li>\n<li>\u6709\u786e\u8ba4\u9762\u5411\u8fde\u63a5\u670d\u52a1<\/li>\n<\/ul>\n<\/li>\n<li>\u94fe\u8def\u7ba1\u7406\uff0c\u5373\u5efa\u7acb\u3001\u7ef4\u6301\u3001\u91ca\u653e\u9762\u5411\u8fde\u63a5\u7684\u670d\u52a1<\/li>\n<li>\u7ec4\u5e27<\/li>\n<li>\u6d41\u91cf\u63a7\u5236\uff08\u9650\u5236\u53d1\u9001\u65b9\uff09<\/li>\n<li>\u5dee\u9519\u63a7\u5236\uff08\u5e27\u9519\/\u4f4d\u9519\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>\u5e27\u5c01\u88c5&amp;\u900f\u660e\u4f20\u8f93<\/h1>\n<p>\u5c01\u88c5\u6210\u5e27\u662f\u5728\u7f51\u7edc\u5c42\u6570\u636e\u62a5\u524d\u540e\u6dfb\u52a0\u5e27\u5b9a\u754c\u7b26\uff0c\u5e27\u9996\u90e8\u53ca\u5e27\u5c3e\u90e8\uff0c\u5305\u542b\u63a7\u5236\u4fe1\u606f\uff0c\u4ece\u800c\u6709\u6548\u8fbe\u6210\u63a5\u6536\u65b9\u7684\u5e27\u540c\u6b65\u3002<\/p>\n<p>\u4ece\u5e27\u7684\u5f00\u59cb\u5230\u5e27\u7684\u7ed3\u675f\u79f0\u4e3a\u6570\u636e\u94fe\u8def\u5c42\u7684\u5e27\u957f\uff0c\u901a\u5e38\u5e0c\u671b\u5e27\u6570\u636e\u8fdc\u5927\u4e8e\u5e27\u5934\u90e8\u548c\u5e27\u5c3e\u90e8\uff0c\u4ece\u800c\u8fbe\u6210\u6709\u6548\u6570\u636e\u4f20\u8f93\u3002 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decoding=\"async\" src=\"http:\/\/kodo.cyasylum.top\/2020\/12\/15\/c6c97f5166abe.png\" alt=\"pic\" \/><\/li>\n<li>\u63a5\u6536\u7aef\u5224\u65ad\u4f59\u6570\u662f\u5426\u4e3a0\uff0c\u5982\u5b58\u5728\u5dee\u9519\u5219\u4e22\u5f03<\/li>\n<li>\u5faa\u73af\u5197\u4f59\u7801\u57fa\u672c\u53ef\u4ee5\u786e\u5b9a\u63a5\u6536\u5e27\u65e0\u5dee\u9519<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u7ea0\u9519\u7f16\u7801<\/h2>\n<ul>\n<li>\u6d77\u660e\u7801\n<ul>\n<li>\u53d1\u73b0\u53cc\u6bd4\u7279\u9519\uff0c\u7ea0\u6b63\u5355\u6bd4\u7279\u9519<\/li>\n<li>\u5de5\u4f5c\u6d41\u7a0b\n<ul>\n<li>\u786e\u5b9a\u6821\u9a8c\u7801\u4f4d\u6570r\n<ul>\n<li>\u6d77\u660e\u4e0d\u7b49\u5f0f$$2^r \\ge k+r+1$$ \uff08r\u4e3a\u5197\u4f59\u4fe1\u606f\u4f4d\uff0ck\u4e3a\u4fe1\u606f\u4f4d\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u786e\u5b9a\u6821\u9a8c\u7801\u548c\u6570\u636e\u4f4d\u7f6e\n<ul>\n<li>\u6821\u9a8c\u7801\u63d2\u5165\u6570\u636e\u4e2d\uff0c\u6821\u9a8c\u7801\u7f6e\u4e8e\u4e8c\u7684\u6b21\u65b9\u4f4d<\/li>\n<\/ul>\n<\/li>\n<li>\u6c42\u51fa\u6821\u9a8c\u7801\u503c\n<ul>\n<li>\u8981\u6c42\u6240\u6709\u4e8c\u8fdb\u5236\u6392\u5217\u6821\u9a8c\u96c6\u5408\u5f02\u6216\u4e3a0<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/kodo.cyasylum.top\/2020\/12\/15\/24ec1194955ca.png\" alt=\"pic\" \/><\/li>\n<\/ul>\n<\/li>\n<li>\u68c0\u9519\u5e76\u7ea0\u9519\n<ul>\n<li>\u4ee4\u6240\u6709\u9700\u8981\u6821\u9a8c\u7684\u4f4d\u5f02\u6216\u7ea0\u9519<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>\u6d41\u91cf\u63a7\u5236&amp;\u53ef\u9760\u4f20\u8f93\u673a\u5236<\/h1>\n<p>\u8f83\u9ad8\u53d1\u9001\u901f\u5ea6\u548c\u8f83\u4f4e\u63a5\u53d7\u80fd\u529b\u7684\u4e0d\u5339\u914d\uff0c\u4f1a\u9020\u6210\u4f20\u8f93\u51fa\u9519\u3002 \u6570\u636e\u94fe\u8def\u5c42\u6d41\u91cf\u63a7\u5236\u70b9\u5bf9\u70b9\uff0c\u63a7\u5236\u624b\u6bb5\u4e3a\u4e0d\u8fdb\u884c\u56de\u590d\u3002 \u4f20\u8f93\u5c42\u6d41\u91cf\u63a7\u5236\u7aef\u5230\u7aef\uff0c\u63a7\u5236\u624b\u6bb5\u4e3a\u7a97\u53e3\u516c\u544a\u3002<\/p>\n<p>\u6d41\u91cf\u63a7\u5236\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u505c\u6b62\u7b49\u5f85\u534f\u8bae\uff08\u53d1\u9001\u7a97\u53e3\u5927\u5c0f=1\uff0c\u63a5\u6536\u7a97\u53e3\u5927\u5c0f=1\uff09<\/li>\n<li>\u6ed1\u52a8\u7a97\u53e3\u534f\u8bae\n<ul>\n<li>\u540e\u9000N\u5e27\u534f\u8bae\uff08\u53d1\u9001\u7a97\u53e3\u5927\u5c0f\uff1e1\uff0c\u63a5\u6536\u7a97\u53e3\u5927\u5c0f=1\uff09<\/li>\n<li>\u9009\u62e9\u91cd\u4f20\u534f\u8bae\uff08\u53d1\u9001\u7a97\u53e3\u5927\u5c0f&gt;1\uff0c\u63a5\u6536\u7a97\u53e3\u5927\u5c0f=1\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u53ef\u9760\u63a7\u5236\uff1a\u53d1\u9001\u65b9\u53d1\u5565\uff0c\u63a5\u6536\u7aef\u6536\u5565<\/p>\n<p>\u6d41\u91cf\u63a7\u5236\uff1a\u63a7\u5236\u53d1\u9001\u901f\u7387\uff0c\u4f7f\u63a5\u6536\u65b9\u7531\u8db3\u591f\u7f13\u5b58\u7a7a\u95f4\u63a5\u6536\u6bcf\u4e2a\u5e27<\/p>\n<p>\u6ed1\u52a8\u7a97\u53e3\u89e3\u51b3\u2014\u2014\u300b\u6d41\u91cf\u63a7\u5236\uff08\u53d7\u786e\u8ba4\u9650\u5236\uff09\uff0c\u53ef\u9760\u4f20\u8f93\uff08\u53d1\u9001\u65b9\u81ea\u52a8\u91cd\u4f20\uff09<\/p>\n<h2>\u505c\u6b62-\u7b49\u5f85\u534f\u8bae<\/h2>\n<p>\u89e3\u51b3\u6bd4\u7279\u5dee\u9519\u53ca\u4fe1\u9053\u4e22\u5305\u95ee\u9898\uff0c\u540c\u65f6\u5b9e\u73b0\u6d41\u91cf\u63a7\u5236<\/p>\n<p>\u7814\u7a76\u524d\u63d0\uff1a\u4ec5\u8003\u8651\u5355\u5411\u53d1\u9001\uff0c\u4e0d\u8003\u8651\u6570\u636e\u4f20\u9001\u5c42\u6b21<\/p>\n<p>\u6ca1\u53d1\u9001\u5b8c\u4e00\u4e2a\u5206\u7ec4\u5c31\u505c\u6b62\u53d1\u9001\uff0c\u7b49\u5f85\u786e\u8ba4\uff0c\u5728\u6536\u5230\u786e\u8ba4\u540e\u53d1\u9001\u4e0b\u4e00\u5206\u7ec4<\/p>\n<p><em>\u6709\u5dee\u9519\u60c5\u51b5etc<\/em><\/p>\n<p>\u534f\u8bae\u7b80\u5355\u4f46\u4fe1\u9053\u5229\u7528\u7387\u4f4e$$U=\\frac{T_D}{T_D+RTT+T_A}$$\uff08TD\u4e3a\u53d1\u9001\u65f6\u5ef6\uff0cTA\u4e3a\u786e\u8ba4\u65f6\u5ef6\uff0cRTT\u4e3a\u5f80\u8fd4\u65f6\u5ef6\uff09<\/p>\n<ul>\n<li>*\u4fe1\u9053\u5229\u7528\u7387\u6307\u53d1\u9001\u65b9\u5728\u4e00\u4e2a\u53d1\u9001\u5468\u671f\u5185\u6709\u6548\u53d1\u9001\u6570\u636e\u6240\u9700\u65f6\u95f4\u5360\u6574\u4e2a\u53d1\u9001\u5468\u671f\u7684\u6bd4\u7387\uff0c\u4fe1\u9053\u5229\u7528\u7387=\uff08T\u5185\u53d1\u9001\u6bd4\u7279\u6570\u636e\u957f\u5ea6L\/\u53d1\u9001\u65b9\u4f20\u8f93\u901f\u7387C\uff09\/\u53d1\u9001\u5468\u671fT=\u4fe1\u9053\u541e\u5410\u7387\/\u53d1\u9001\u5468\u671f<\/li>\n<li><em>\u4fe1\u9053\u541e\u5410\u7387=\u4fe1\u9053\u5229\u7528\u7387<\/em>\u53d1\u9001\u65b9\u53d1\u9001\u901f\u7387<\/li>\n<\/ul>\n<h2>\u540e\u9000N\u5e27\u534f\u8bae(GBN)<\/h2>\n<p>\u5bf9\u505c\u7b49\u534f\u8bae\u7684\u8865\u5145\uff1a\u589e\u52a0\u53d1\u9001\u5e8f\u53f7\u8303\u56f4\uff0c\u53d1\u9001\u65b9\u7f13\u5b58\u591a\u4e2a\u5206\u7ec4<\/p>\n<p>GBN\u534f\u8bae\uff0c\u6ed1\u52a8\u53d1\u9001\u7a97\u53e3\uff0c\u53d1\u9001\u4e00\u7ec4\u8fde\u7eed\u5141\u8bb8\u53d1\u9001\u5e27\u7684\u5e8f\u53f7\uff0c\u63a5\u6536\u65b9\u7ef4\u6301\u4e00\u7ec4\u8fde\u7eed\u7684\u5141\u8bb8\u63a5\u6536\u5e27\u7684\u5e8f\u53f7\u3002\u5373\u53d1\u9001\u7a97\u53e3\u5927\u4e8e1\uff0c\u63a5\u6536\u7a97\u53e3\u7b49\u4e8e1\u3002<\/p>\n<p>\u53d1\u9001\u65b9\u6536\u5230\u786e\u8ba4\uff0c\u5411\u524d\u5e73\u79fb\u7a97\u53e3\u3002\u53d1\u9001\u65b9\u4e09\u4e2a\u90e8\u5206\uff1a\u53d1\u5b8c\u5df2\u786e\u8ba4\uff0c\u53d1\u5b8c\u5f85\u786e\u8ba4\uff0c\u53ef\u53d1\u9001\u90e8\u5206\uff0c\u4e0d\u53ef\u53d1\u90e8\u5206\u3002<\/p>\n<ul>\n<li>\u53d1\u9001\u65b9\u54cd\u5e94\n<ul>\n<li>GBN\u534f\u8bae\u5bf9\u4e0a\u5c42\u54cd\u5e94\u5f53\u524d\u7a97\u53e3\u72b6\u6001\u51b3\u5b9a\u4e0a\u5c42\u662f\u5426\u5c06\u6570\u636e\u4e0b\u884c\uff08\u6216\u8fdb\u884c\u7f13\u5b58<\/li>\n<li>\u54cd\u5e94\u6536\u5230ACK\uff0c\u53ef\u5bf9n\u53f7\u5e27\u7d2f\u8ba1\u786e\u8ba4\uff0c\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u5e76\u53d1\u9001\u53ef\u53d1\u9001\u5e27<\/li>\n<li>\u54cd\u5e94\u8d85\u65f6\u4e8b\u4ef6\uff0c\u91cd\u53d1\u6574\u4e2a\u7a97\u53e3<\/li>\n<\/ul>\n<\/li>\n<li>\u63a5\u6536\u65b9\u54cd\u5e94\n<ul>\n<li>\u5bf9\u6b63\u786e\u6536\u5230\u7684\u5e27\u4ea4\u4ed8\u4e0a\u5c42\u5e76\u8fd4\u56deACK<\/li>\n<li>\u5176\u4f59\u60c5\u51b5\u4e22\u5f03\uff0c\u8fd4\u56de\u524d\u987a\u5e8f\u6536\u5230\u5e27ACK<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5e27\u5b9a\u754c\u7b26\u4e2d\u5305\u542b\u5e27\u7f16\u53f7\u4fe1\u606f\uff0c\u82e5\u6709n\u4e2a\u6bd4\u7279\u5bf9\u5e27\u8fdb\u884c\u7f16\u53f7\uff0c\u5219\u8981\u6c42\u53d1\u9001\u7a97\u53e3\u5c3a\u5bf8WT\u6ee1\u8db3$$1\\le W_T\\le2^n-1$$\uff0c\u4ee5\u786e\u4fdd\u65b0\u65e7\u5e27\u53ef\u4ee5\u6709\u6548\u533a\u5206<\/p>\n<ul>\n<li>\u7d2f\u8ba1\u786e\u8ba4\u5076\u5c14\u634e\u5e26\u786e\u8ba4<\/li>\n<li>\u63a5\u6536\u65b9\u53ea\u6309\u5e8f\u63a5\u6536\u5e27\uff0c\u4e0d\u6309\u5e8f\u5747\u4e22\u5f03<\/li>\n<li>\u786e\u8ba4\u5e8f\u53f7\u6700\u5927\u7684\uff0c\u6309\u5e8f\u5230\u8fbe\u7684\u5e27<\/li>\n<li>\u53d1\u9001\u7a97\u53e3\u6700\u5927$$2^n-1$$\uff0c\u63a5\u6536\u7a97\u53e3\u6700\u5927\u4e3a1<\/li>\n<li>\u56e0\u8fde\u7eed\u53d1\u9001\u63d0\u9ad8\u4fe1\u9053\u5229\u7528\u7387<\/li>\n<li>\u91cd\u4f20\u65f6\u4e22\u5931\u9020\u6210\u4f4e\u4e0b\u4f20\u9001\u6548\u7387<\/li>\n<\/ul>\n<h2>\u9009\u62e9\u91cd\u4f20\u534f\u8bae(SR)<\/h2>\n<p>\u5bf9GBN\u4f18\u5316\uff0c\u53ea\u91cd\u4f20\u51fa\u9519\u7684\u5e27\uff0c\u8bbe\u7f6e\u5355\u4e2a\u786e\u8ba4\uff0c\u52a0\u5927\u63a5\u6536\u7a97\u53e3\uff0c\u8bbe\u7f6e\u63a5\u6536\u7f13\u5b58\u4ee5\u7f13\u5b58\u4e71\u5e8f\u5230\u8fbe\u5e27<\/p>\n<ul>\n<li>\u53d1\u9001\u65b9\u54cd\u5e94\n<ul>\n<li>\u6536\u5230\u4e0a\u5c42\u6570\u636e\uff0c\u540cGBN\uff0c\u53d1\u9001\u533a\u6216\u9a73\u56de\u6216\u7f13\u5b58<\/li>\n<li>\u6536\u5230ACK\uff0c\u6807\u8bb0\u5df2\u63a5\u53d7\uff0c\u82e5\u4e3a\u7a97\u53e3\u4e0b\u754c\u5219\u6ed1\u52a8\u7a97\u53e3\u81f3\u6700\u9ad8\u672a\u786e\u8ba4\u5e76\u53d1\u9001\u53ef\u53d1\u9001\u5e27<\/li>\n<li>\u8d85\u65f6\u65f6\u95f4\uff0c\u8d85\u65f6\u91cd\u4f20\u5e27<\/li>\n<\/ul>\n<\/li>\n<li>\u63a5\u6536\u65b9\u54cd\u5e94\n<ul>\n<li>\u6536\u5230\u7a97\u5185\u5e27\u7f13\u5b58\u8fd4\u56deACK\uff0c\u82e5\u6536\u5230\u7a97\u53e3\u4e0b\u754c\u5219\u6ed1\u52a8\u7a97\u53e3\u5e76\u63d0\u4ea4\u4e0a\u5c42<\/li>\n<li>\u6536\u5230\u7a97\u524d\u5e27\u4e22\u5f03\u5e76\u8fd4\u56deACK<\/li>\n<li>\u5176\u4ed6\u60c5\u51b5\u5ffd\u7565\u5e27<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u6ed1\u52a8\u7a97\u53e3\u957f\u5ea6\u4f9d\u65e7\u53d7\u5e27\u7f16\u7801\u9650\u5236\uff0c\u53d1\u9001\u7a97\u53e3\u6700\u597d\u7b49\u4e8e\u63a5\u6536\u7a97\u53e3\uff0c$$W_{R\\max}=W_{R\\max}=2^{n-1}$$<\/p>\n<ul>\n<li>\u5bf9\u6570\u636e\u5e27\u9010\u4e00\u786e\u8ba4<\/li>\n<li>\u53ea\u91cd\u4f20\u51fa\u9519\u5e27<\/li>\n<li>\u63a5\u6536\u65b9\u6709\u7f13\u5b58<\/li>\n<li>\u7a97\u53e3\u5927\u5c0f\u6700\u5927\u4e3a$$W_{T\\max}=W_{R\\max}=2^{n-1}$$<\/li>\n<\/ul>\n<h1>\u4fe1\u9053\u5212\u5206\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/h1>\n<ul>\n<li>\u70b9\u5bf9\u70b9\u94fe\u8def\uff1a\u76f8\u90bb\u8282\u70b9\u901a\u8fc7\u94fe\u8def\u8fde\u63a5\uff0c\u65e0\u7b2c\u4e09\u8005\n<ul>\n<li>PPP\u534f\u8bae<\/li>\n<li>\u5e38\u7528\u4e8e\u5e7f\u57df\u7f51<\/li>\n<\/ul>\n<\/li>\n<li>\u5e7f\u64ad\u5f0f\u94fe\u8def\uff1a\u6240\u6709\u4e3b\u673a\u5171\u4eab\u901a\u4fe1\u4ecb\u8d28\n<ul>\n<li>\u65e9\u671f\u603b\u7ebf\u4ee5\u592a\u7f51<\/li>\n<li>\u65e0\u7ebf\u5c40\u57df\u7f51<\/li>\n<li>\u5e38\u7528\u4e8e\u5c40\u57df\u7f51<\/li>\n<li>\u5178\u578b\u62d3\u6251\u7ed3\u6784\uff1a\u603b\u7ebf\u578b\u3001\u661f\u5f62\uff08\u903b\u8f91\u603b\u7ebf\u3001\u96c6\u7ebf\u5668\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\uff0c\u91c7\u7528\u63aa\u65bd\u4f7f\u5f97\u4e24\u5bf9\u8282\u70b9\u901a\u4fe1\u4e0d\u4f1a\u53d1\u751f\u4e92\u76f8\u5e72\u6270<\/p>\n<ul>\n<li>\u9759\u6001\u5212\u5206\u4fe1\u9053\n<ul>\n<li>\u4fe1\u9053\u5212\u5206\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\n<ul>\n<li>\u9891\u5206\u591a\u8def\u590d\u7528FDM<\/li>\n<li>\u65f6\u5206\u591a\u8def\u590d\u7528TDM<\/li>\n<li>\u6ce2\u5206\u591a\u8def\u590d\u7528WDM<\/li>\n<li>\u7801\u5206\u591a\u8def\u590d\u7528CDM<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u52a8\u6001\u5212\u5206\u4fe1\u9053\uff1a\u52a8\u6001\u5a92\u4f53\u63a5\u5165\u3001\u591a\u70b9\u63a5\u5165\uff0c\u4fe1\u9053\u5e76\u975e\u56fa\u5b9a\u5206\u914d\n<ul>\n<li>\u8f6e\u8be2\u8bbf\u95ee\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\n<ul>\n<li>\u4ee4\u724c\u4f20\u9012\u534f\u8bae<\/li>\n<\/ul>\n<\/li>\n<li>\u968f\u673a\u8bbf\u95ee\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\uff1a\u6240\u7528\u7528\u6237\u4efb\u610f\u53d1\u9001\u4fe1\u606f\uff0c\u5360\u5168\u90e8\u5e26\u5bbd\n<ul>\n<li>ALOHA\u534f\u8bae<\/li>\n<li>CSMA\u534f\u8bae<\/li>\n<li>CSMA\/CD\u534f\u8bae<\/li>\n<li>CSMA\/CA\u534f\u8bae<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4fe1\u9053\u5212\u5206\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/h2>\n<p>\u5c06\u4f7f\u7528\u4ecb\u8d28\u7684\u6bcf\u4e2a\u8bbe\u5907\u4e0e\u6765\u81ea\u540c\u4e00\u4fe1\u9053\u4e0a\u7684\u5176\u4ed6\u8bbe\u5907\u7684\u901a\u4fe1\u9694\u79bb\u5f00\uff0c\u628a\u65f6\u57df\u548c\u9891\u57df\u8d44\u6e90\u5408\u7406\u5730\u5206\u914d\u7ed9\u7f51\u7edc\u4e0a\u7684\u8bbe\u5907<\/p>\n<ul>\n<li>\u9891\u5206\u591a\u8def\u590d\u7528FDM\uff08\u5e76\u884c\uff09\n<ul>\n<li>\u7528\u6237\u5904\u4e8e\u4e0d\u540c\u7684\u9891\u6bb5\uff0c\u6240\u6709\u7528\u6237\u5728\u540c\u6837\u7684\u65f6\u95f4\u5360\u7528\u4e0d\u540c\u7684\u5e26\u5bbd\u8d44\u6e90<\/li>\n<\/ul>\n<\/li>\n<li>\u65f6\u5206\u591a\u8def\u590d\u7528TDM\uff08\u5e76\u53d1\uff09\n<ul>\n<li>\u5c06\u65f6\u95f4\u5212\u5206\u4e3a\u65f6\u5206\u590d\u7528TDM\u5e27\uff0c\u5c06\u6bcf\u4e2a\u65f6\u5206\u590d\u7528\u7528\u6237\u5728\u5e27\u4e2d\u5360\u7528\u56fa\u5b9a\u5e8f\u53f7\u7684\u65f6\u9699\uff0c\u7528\u6237\u8f6e\u6d41\u5360\u7528\u4fe1\u9053<\/li>\n<li>STDM\u7edf\u8ba1\u65f6\u5206\u590d\u7528\uff0c\u6839\u636e\u8fd1\u671f\u4f7f\u7528\u65f6\u95f4\u5206\u914d\u65f6\u9699\uff0c\u65f6\u9699\u6570\u5c0f\u4e8e\u7528\u6237\u6570\uff0c\u52a8\u6001\u6309\u9700\u5206\u914d<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce2\u5206\u591a\u8def\u590d\u7528WDM\n<ul>\n<li>\u6307\u5149\u7684\u9891\u5206\u591a\u8def\u590d\u7528\uff0c\u901a\u8fc7\u4e0d\u540c\u6ce2\u957f\u7684\u5149\u8fdb\u884c\u4f20\u8f93<\/li>\n<\/ul>\n<\/li>\n<li>\u7801\u5206\u591a\u8def\u590d\u7528CDM\n<ul>\n<li>\u7801\u5206\u591a\u5740CDMA\u662f\u7801\u5206\u590d\u7528\u7684\u4e00\u79cd\u65b9\u5f0f<\/li>\n<li>\u4e00\u4e2a\u6bd4\u7279\u5206\u4e3a\u591a\u4e2a\u7801\u7247\uff0c\u6bcf\u4e2a\u7ad9\u70b9\u6307\u5b9a\u4e00\u4e2am\u4f4d\u7684\u7801\u7247\u5e8f\u5217<\/li>\n<li>\u53d1\u90011\u65f6\u53d1\u9001\u7801\u7247\u5e8f\u5217\uff0c\u53d1\u90010\u65f6\u53d1\u9001\u5e8f\u5217\u53cd\u7801\uff0c\u591a\u4e2a\u7ad9\u70b9\u540c\u65f6\u53d1\u9001\u6570\u636e\u65f6\u8981\u6c42\u82af\u7247\u5e8f\u5217\u6b63\u4ea4\uff0c\u4f20\u8f93\u65f6\u5c06\u6570\u636e\u7ebf\u6027\u76f8\u52a0\u5408\u5e76<\/li>\n<li>\u5206\u79bb\u65f6\u5c06\u5408\u5e76\u6570\u636e\u548c\u6e90\u7ad9\u5e8f\u5217\u89c4\u683c\u5316\u5185\u79ef<\/li>\n<li>\u53ef\u4ee5\u7406\u89e3\u4e3a\u6e90\u7ad9\u5e8f\u5217\u4f5c\u4e3a\u63a9\u7801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>ALOHA\u534f\u8bae<\/h2>\n<h3>\u7eafALOHA\u534f\u8bae<\/h3>\n<p>\u4e0d\u76d1\u542c\u4fe1\u9053\u786e\u8ba4\u51b2\u7a81\uff0c\u4e0d\u6309\u65f6\u95f4\u69fd\u53d1\u9001\uff0c\u968f\u673a\u7b49\u5f85\u91cd\u53d1\uff0c\u60f3\u53d1\u5c31\u53d1<\/p>\n<h3>\u65f6\u9699ALOHA\u534f\u8bae<\/h3>\n<p>\u5212\u5206\u65f6\u95f4\u7247\uff0c\u5728\u65f6\u95f4\u7247\u7684\u5f00\u59cb\u4e0a\u8fdb\u884c\u53d1\u9001\uff0c\u968f\u673a\u7b49\u5f85\u91cd\u53d1\u3002\u907f\u514d\u90e8\u5206\u51b2\u7a81\uff0c\u6548\u7387\u63d0\u9ad8\u3002<\/p>\n<h2>CSMA\u534f\u8bae<\/h2>\n<p><strong>\u8f7d\u6ce2\u76d1\u542c\u591a\u8def\u8bbf\u95ee\u534f\u8bae<\/strong><\/p>\n<p>\u53d1\u9001\u6570\u636e\u524d\u68c0\u6d4b\u603b\u7ebf\u4e0a\u662f\u5426\u6709\u5176\u4ed6\u8ba1\u7b97\u673a\u5728\u53d1\u9001\u6570\u636e<\/p>\n<p>\u591a\u70b9\u63a5\u5165\uff0c\u8868\u793a\u591a\u8ba1\u7b97\u673a\u591a\u70b9\u63a5\u5165\u603b\u7ebf<\/p>\n<p>\u534f\u8bae\u601d\u60f3\uff1a\u53d1\u9001\u5e27\u4e4b\u524d\u76d1\u542c\u4fe1\u9053<\/p>\n<p>\u6839\u636e\u76d1\u542c\u7ed3\u679c\uff1a<\/p>\n<ul>\n<li>\u4fe1\u9053\u7a7a\u95f2\uff1a\u53d1\u9001\u5b8c\u6574\u5e27<\/li>\n<li>\u4fe1\u9053\u5fd9\uff1a\u63a8\u8fdf\u53d1\u9001<\/li>\n<\/ul>\n<p>\u5bf9\u5e94\u7684\u5b58\u5728\u4e09\u79cdCSMA\u65b9\u5f0f<\/p>\n<ul>\n<li>1-\u575a\u6301CSMA\uff1a\u575a\u6301\u76d1\u542c\u4fe1\u9053\u7a7a\u95f2\u65f6\u4f20\u8f93\uff0c\u51b2\u7a81\u5219\u7b49\u5f85\u968f\u673a\u65f6\u957f\n<ul>\n<li>\u6548\u7387\u9ad8\u4f46\u6613\u51b2\u7a81\u964d\u4f4e\u6548\u7387<\/li>\n<\/ul>\n<\/li>\n<li>\u975e\u575a\u6301CSMA\uff1a\u968f\u673a\u518d\u6b21\u76d1\u542c\uff0c\u51b2\u7a81\u968f\u673a\u7b49\u5f85\n<ul>\n<li>\u964d\u4f4e\u51b2\u7a81\u6982\u7387\u4f46\u5bb9\u6613\u5bfc\u81f4\u4fe1\u9053\u7a7a\u95f2<\/li>\n<\/ul>\n<\/li>\n<li>p-\u575a\u6301CSMA\uff1a\u7a7a\u95f2\u65f6p\u6982\u7387\u4f20\u8f93\uff0c1-p\u4e0b\u4e2a\u65f6\u95f4\u69fd\u4f20\u8f93\uff0c\u5fd9\u5219\u6301\u7eed\u76d1\u542c\n<ul>\n<li>\u51cf\u5c11\u51b2\u7a81\u51cf\u5c11\u7a7a\u95f2\uff0c\u4f46\u53d1\u751f\u51b2\u7a81\u540e\u575a\u6301\u53d1\u9001\u6570\u636e\u5e27\u9020\u6210\u6d6a\u8d39<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>CSMA-CD\u534f\u8bae<\/h2>\n<p><strong>\u8f7d\u6ce2\u76d1\u542c\u591a\u70b9\u63a5\u5165\/\u78b0\u649e\u68c0\u6d4b\u534f\u8bae<\/strong><\/p>\n<p>\u53d1\u9001\u6570\u636e\u65f6\u4f9d\u65e7\u76d1\u542c\u4fe1\u9053\uff0c\u82e5\u632f\u5e45\u8fc7\u5927\u5219\u653e\u5f03\u53d1\u9001\uff0c\u8282\u7701\u65f6\u95f4<\/p>\n<p>\u6700\u8fdf\u9700\u89812\u03c4\uff08\u7aef\u5230\u7aef\u5f80\u8fd4\u65f6\u5ef6\uff09\u624d\u80fd\u53d1\u73b0\u4fe1\u53f7\u672a\u78b0\u649e\uff08\u4e89\u7528\u671f\u3001\u51b2\u7a81\u7a97\u53e3\u3001\u78b0\u649e\u7a97\u53e3\uff09<\/p>\n<p>\u5982\u4f55\u786e\u5b9a\u91cd\u4f20\u65f6\u95f4\uff08\u622a\u65ad\u4e8c\u8fdb\u5236\u6307\u6570\u89c4\u907f\u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li>\u786e\u5b9a\u57fa\u672c\u9000\u907f\u65f6\u95f4\uff08\u5373\u4e89\u7528\u671f2\u03c4\uff09<\/li>\n<li>\u5b9a\u4e49\u53c2\u6570k\u7b49\u4e8e\u91cd\u4f20\u6b21\u6570\u4e0d\u8d85\u8fc710<\/li>\n<li>\u4ece\u79bb\u6563\u6574\u6570\u96c6\u5408$$[0,1,\\cdots,2^k-1]$$\u4e2d\u968f\u673a\u53d6\u4e00\u4e2a\u6570r\uff0c\u91cd\u4f20\u9000\u907fr\u500d\u57fa\u672c\u9000\u907f\u65f6\u95f42r\u03c4<\/li>\n<li>\u5f53\u91cd\u4f2016\u6b21\u65e0\u6cd5\u6210\u529f\u65f6\u629b\u5f03\u5e27\u62a5\u544a\u51fa\u9519<\/li>\n<\/ul>\n<p>\u5b9a\u4e49\u6700\u5c0f\u5e27\u957f\uff0c\u9632\u6b62\u5728\u51b2\u7a81\u53d1\u751f\u524d\u5e27\u957f\u53d1\u5b8c\uff0c\u56e0\u6b64\u89c4\u5b9a\u5e27\u957f\u5ea6\u5927\u4e8e2\u03c4\u00d7\u6570\u636e\u4f20\u8f93\u901f\u7387<\/p>\n<h2>CSMA-CA\u534f\u8bae<\/h2>\n<p><strong>\u8f7d\u6ce2\u76d1\u542c\u591a\u70b9\u63a5\u5165\/\u78b0\u649e\u907f\u514d\u534f\u8bae<\/strong><\/p>\n<p>\u4e13\u7528\u4e8e\u65e0\u9650\u5c40\u57df\u7f51<\/p>\n<ul>\n<li>\u65e0\u6cd5\u505a\u5230360\u00b0\u5168\u9762\u68c0\u6d4b\u78b0\u649e<\/li>\n<li>\u9690\u853d\u7ad9\uff0c\u5f53A\u548cC\u90fd\u68c0\u6d4b\u4e0d\u5230\u4fe1\u53f7\uff0c\u8ba4\u4e3a\u4fe1\u9053\u7a7a\u95f2\u65f6\uff0c\u540c\u65f6\u5411B\u53d1\u751f\u6570\u636e\u5e27\u5bfc\u81f4\u51b2\u7a81<\/li>\n<\/ul>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>\u53d1\u9001\u6570\u636e\u524d\u68c0\u6d4b\u4fe1\u9053\u7a7a\u95f2<\/li>\n<li>\u7a7a\u95f2\u53d1\u9001RTS\u68c0\u6d4b\u6570\u636e\u5e27\uff0c\u4fe1\u9053\u5fd9\u5219\u7b49\u5f85<\/li>\n<li>\u63a5\u6536\u7aef\u6536\u5230RTS\u65f6\u54cd\u5e94CTS\uff0c\u5efa\u7acb\u8fde\u63a5<\/li>\n<li>\u53d1\u9001\u7aef\u6536\u5230CTS\u540e\u9884\u7ea6\u4fe1\u9053\uff0c\u544a\u77e5\u5176\u4ed6\u7ad9\u70b9\u5360\u7528\u65f6\u95f4<\/li>\n<li>\u63a5\u6536\u7aef\u6536\u5230\u6570\u636e\u5e27\u540eCRC\u68c0\u9a8c\uff0c\u6536\u5230\u54cd\u5e94ACK<\/li>\n<li>\u6536\u5230ACK\u8fdb\u884c\u53d1\u9001\uff0c\u82e5\u6ca1\u6536\u5230\u5219\u4e8c\u8fdb\u5236\u6307\u6570\u9000\u907f\u968f\u673a\u63a8\u8fdf<\/li>\n<\/ul>\n<p>\u91cd\u70b9<\/p>\n<ol>\n<li>\u9884\u7ea6\u4fe1\u9053<\/li>\n<li>ACK\u5e27<\/li>\n<li>RTS\/CTS\u53ef\u9009<\/li>\n<\/ol>\n<h2>\u8f6e\u8be2\u8bbf\u95ee\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236<\/h2>\n<p>\u65e2\u8981\u4e0d\u4ea7\u751f\u51b2\u7a81\uff0c\u53c8\u8981\u53d1\u9001\u65f6\u5360\u5168\u90e8\u5e26\u5bbd<\/p>\n<ul>\n<li>\u8f6e\u8be2\u534f\u8bae\n<ul>\n<li>\u4e3b\u8282\u70b9\u8f6e\u6d41\u9080\u8bf7\u4ece\u5c5e\u8282\u70b9\u53d1\u9001\u6570\u636e<\/li>\n<li>\u95ee\u9898\uff1a\u8f6e\u8be2\u5f00\u9500\u3001\u7b49\u5f85\u5ef6\u8fdf\u3001\u5355\u70b9\u6545\u969c<\/li>\n<\/ul>\n<\/li>\n<li>\u4ee4\u724c\u4f20\u9012\u534f\u8bae\n<ul>\n<li>\u4ee4\u724c\u73af\u7f51<\/li>\n<li>\u4ee4\u724c\u4f5c\u4e3a\u7279\u6b8a\u683c\u5f0fMAC\u63a7\u5236\u5e27\uff0c\u63a7\u5236\u4fe1\u9053\u4f7f\u7528\uff0c\u786e\u4fdd\u540c\u4e00\u65f6\u523b\u4e00\u8282\u70b9\u72ec\u5360\u4fe1\u9053<\/li>\n<li>\u5728\u4ee4\u724c\u4e0a\u9644\u52a0\u6570\u636e\u4f20\u9012\uff0c\u56de\u6536\u540e\u786e\u8ba4\u662f\u5426\u91cd\u4f20\uff0c\u4f20\u9012\u5b8c\u6210\u9000\u8ba9<\/li>\n<li>\u95ee\u9898\uff1a\u4ee4\u724c\u5f00\u9500\u3001\u7b49\u5f85\u5ef6\u8fdf\u3001\u5355\u70b9\u6545\u969c\u3001\u7528\u4e8e\u8d1f\u8f7d\u8f83\u91cd\u3001\u901a\u4fe1\u91cf\u8f83\u5927\u7684\u7f51\u7edc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>\u5c40\u57df\u7f51&amp;\u4ee5\u592a\u7f51&amp;\u5e7f\u57df\u7f51<\/h1>\n<p>\u8fd9\u90e8\u5206\u968f\u4fbf\u4e9b\uff0c<a href=\"https:\/\/blog.csdn.net\/weixin_45067603\/article\/details\/106980441\" target=\"_blank\"  rel=\"nofollow\" >\u8fd9\u4f4d\u65bd\u4e3b<\/a>\u622a\u56fe\u622a\u5f97\u591a<\/p>\n<h2>\u5c40\u57df\u7f51<\/h2>\n<p>LAN ,\u4f7f\u7528\u5e7f\u64ad\u4fe1\u9053\uff0c\u5904\u4e8e\u67d0\u4e00\u533a\u57df\u5185\u591a\u53f0\u8ba1\u7b97\u673a\u4e92\u8054<\/p>\n<p>\u51b3\u5b9a\u5c40\u57df\u7f51\u7684\u4e3b\u8981\u8981\u7d20\u4e3a\uff1a\u7f51\u7edc\u62d3\u6251\u3001\u4f20\u8f93\u4ecb\u8d28\u3001\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\u65b9\u6cd5<\/p>\n<ul>\n<li>\u4ee5\u592a\u7f51\u91c7\u53d6IEEE802.3\u7cfb\u5217\u6807\u51c6\uff0c\u91c7\u7528CSMA\/CD\u534f\u8bae<\/li>\n<li>\u65e0\u7ebf\u5c40\u57df\u7f51WLAN\u91c7\u7528IEEE802.11\u7cfb\u5217\u6807\u51c6\uff0c\u91c7\u7528CSMA\/CA\u534f\u8bae<\/li>\n<li>IEEE802\u6807\u51c6\uff1a1980\u5e742\u6708\u6210\u7acb\uff0c\u5b9a\u4e49\u5c40\u57df\u7f51\/\u57ce\u57df\u7f51\u4f53\u7cfb\u7ed3\u6784\u3001\u5bfb\u5740\u3001\u7f51\u7edc\u4e92\u8fde\u548c\u7f51\u7edc\n<ul>\n<li>\u5c06\u6570\u636e\u94fe\u8def\u5c42\u5212\u5206\u4e3a\u903b\u8f91\u94fe\u8def\u5c42LLC\u548c\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\u5c42MAC<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4ee5\u592a\u7f51<\/h2>\n<p>Ethernet\uff0c\u5c40\u57df\u7f51\u6700\u901a\u7528\u7684\u901a\u4fe1\u534f\u8bae\u6807\u51c6<\/p>\n<p>\u9020\u4ef7\u4f4e\u5ec9\u3001\u8fd0\u7528\u5e7f\u6cdb\u3001\u4fbf\u5b9c\u7b80\u5355\u3001\u901f\u7387\u591f\u5f3a<\/p>\n<p>DIX Ethernet V2\/IEEE 802.3\u4f5c\u4e3a\u6807\u51c6<\/p>\n<p>\u65e0\u5dee\u522b\u63a5\u6536\u4ee5\u592a\u7f51<\/p>\n<ul>\n<li>\u65e0\u8fde\u63a5\uff1a\u53d1\u9001\u63a5\u6536\u65e0\u63e1\u624b<\/li>\n<li>\u4e0d\u53ef\u9760\uff0c\u4e0d\u7f16\u53f7\uff0c\u4e0d\u786e\u8ba4\uff0c\u5dee\u9519\u4e22\u5f03\u7ea0\u6b63\u7531\u9ad8\u5c42\u8d1f\u8d23<\/li>\n<\/ul>\n<p>\u7269\u7406\u62d3\u6251\uff1a\u603b\u7ebf\u578b\u2014\u2014\u300b\u661f\u5f62<\/p>\n<p>\u4f7f\u7528\u96c6\u7ebf\u5668\uff0c\u903b\u8f91\u603b\u7ebf\uff0c\u7269\u7406\u661f\u5f62<\/p>\n<h3>10BASE-T\u4ee5\u592a\u7f51<\/h3>\n<ul>\n<li>\u4f20\u9001\u57fa\u5e26\u4fe1\u53f7\u7684\u53cc\u7ede\u7ebf\u4ee5\u592a\u7f51\uff0c\u91c7\u7528\u65e0\u5c4f\u853d\u53cc\u7ede\u7ebf<\/li>\n<li>\u7269\u7406\u661f\u5f62\u3001\u903b\u8f91\u603b\u7ebf\uff0c\u53cc\u7ede\u7ebf\u6700\u957f100m<\/li>\n<li>\u91c7\u7528\u66fc\u5f7b\u65af\u7279\u7f16\u7801<\/li>\n<li>\u91c7\u7528CSMA\/CD\u4ecb\u8d28\u8bbf\u95ee\u63a7\u5236\u534f\u8bae<\/li>\n<\/ul>\n<h3>\u9002\u914d\u5668\u4e0eMAC\u5730\u5740<\/h3>\n<p>\u7f51\u7edc\u63a5\u53e3\u5361\u5bf9\u5916\u754c\u9002\u914dNIC\uff0cROM\u4e0a\u5b58\u5728\u8ba1\u7b97\u673a\u786c\u4ef6\/\u7269\u7406\u5730\u5740MAC\u5730\u5740\uff0c\u5168\u7403\u7edf\u4e00\u7269\u7406\u6807\u8bc6\u7b26\uff0c48\u4f4d\u4e8c\u8fdb\u5236\uff0c\u524d24\u4f4d\u5382\u5bb6\u89c4\u5b9a\uff0c\u540e24\u4f4d\u81ea\u884c\u751f\u4ea7<\/p>\n<h3>\u9ad8\u901f\u4ee5\u592a\u7f51<\/h3>\n<p>\u6307\u901f\u7387\u5927\u4e8e100Mb\/s\u7684\u4ee5\u592a\u7f51<\/p>\n<ul>\n<li>100BASE-T\u4ee5\u592a\u7f51\n<ul>\n<li>\u652f\u6301\u5168\u53cc\u5de5\u548c\u534a\u53cc\u5de5\uff0c\u5168\u53cc\u5de5\u4e0b\u4e0d\u9700\u8981CSMA\/CD\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u5409\u6bd4\u7279\uff08\u5343\u5146\uff09\u4ee5\u592a\u7f51\n<ul>\n<li>\u5149\u7ea4\u6216\u53cc\u7ede\u7ebf\uff0c\u540c\u4e0a<\/li>\n<\/ul>\n<\/li>\n<li>\u5341\u5409\u6bd4\u7279\uff08\u4e07\u5146\uff09\u4ee5\u592a\u7f51\n<ul>\n<li>\u4ec5\u652f\u6301\u5168\u53cc\u5de5\uff0c\u5149\u7ea4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u65e0\u7ebf\u5c40\u57df\u7f51<\/h2>\n<h3>IEEE 802.11<\/h3>\n<p>WIFI\u4e3a\u65e0\u9650\u5c40\u57df\u7f51\u5b50\u96c6<\/p>\n<h3>\u5206\u7c7b<\/h3>\n<ul>\n<li>\u6709\u56fa\u5b9a\u57fa\u7840\u8bbe\u65bd\u7684\u65e0\u9650\u5c40\u57df\u7f51<\/li>\n<li>\u65e0\u56fa\u5b9a\u57fa\u7840\u8bbe\u65bd\u65e0\u9650\u5c40\u57df\u7f51\u7684\u81ea\u7ec4\u7ec7\u7f51\u7edc<\/li>\n<\/ul>\n<h2>\u5e7f\u57df\u7f51<\/h2>\n<p>\u5e7f\u57df\u7f51\u7531\u591a\u4e2a\u5c40\u57df\u7f51\u7ec4\u4ef6\u800c\u6210\uff0c\u5b58\u5728\u4f17\u591a\u8282\u70b9\u4ea4\u6362\u673a\u8f6c\u53d1\u5206\u7ec4\uff0c\u8de8\u8d8a\u7269\u7406\u5c42\u3001\u6570\u636e\u94fe\u8def\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u3002\u4e3b\u8981\u4f7f\u7528\u5206\u7ec4\u4ea4\u6362\u6280\u672f\uff0c\u5c06\u5206\u5e03\u7684\u5c40\u57df\u7f51\u53ca\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e92\u8054\uff0c\u8fbe\u5230\u8d44\u6e90\u5171\u4eab\u7684\u76ee\u7684\u3002\u56e0\u7279\u7f51\u4e3a\u6700\u5927\u7684\u5e7f\u57df\u7f51<\/p>\n<h3>PPP\u534f\u8bae<\/h3>\n<p>\u6ee1\u8db3\uff1a<\/p>\n<ul>\n<li>\u53ea\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1<\/li>\n<li>\u5bf9\u4e8e\u94fe\u8def\u5c42\u5e27\u65e0\u9700\u7ea0\u9519\u3001\u65e0\u9700\u5e8f\u53f7\u3001\u65e0\u9700\u6d41\u91cf\u63a7\u5236<\/li>\n<li>\u5c01\u88c5\u6210\u5e27\uff1a\u5e27\u5b9a\u754c\u7b26<\/li>\n<li>\u900f\u660e\u4f20\u8f93\uff1a\u5982\u4f55\u5904\u7406\u5b9a\u754c\u7b26\u540c\u6b3e\u6570\u636e\uff0c\u5f02\u6b65\u7ebf\u8def\u5b57\u8282\u586b\u5145\uff0c\u540c\u6b65\u7ebf\u8def\u6bd4\u7279\u586b\u5145<\/li>\n<li>\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\uff1a\u5c01\u88c5\u7684IP\u6570\u636e\u62a5\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u534f\u8bae<\/li>\n<li>\u591a\u79cd\u7c7b\u578b\u94fe\u8def\uff1a\u4e32\u884c\/\u5e76\u884c\uff0c\u540c\u6b65\/\u5f02\u6b65\uff0c\u7535\/\u5149<\/li>\n<li>\u5dee\u9519\u68c0\u9a8c\uff1a\u9519\u5373\u4e22\u5f03<\/li>\n<li>\u68c0\u6d4b\u72b6\u6001\uff1a\u94fe\u8def\u662f\u5426\u6b63\u5e38\u5de5\u4f5c<\/li>\n<li>\u6700\u5927\u4f20\u9001\u5355\u5143\uff1a\u6570\u636e\u90e8\u5206\u957f\u5ea6MTU<\/li>\n<li>\u7f51\u7edc\u5c42\u5730\u5740\u534f\u5546\uff1a\u77e5\u9053\u901a\u4fe1\u53cc\u65b9\u7f51\u7edc\u5c42\u5730\u5740<\/li>\n<li>\u6570\u636e\u538b\u7f29\u534f\u5546<\/li>\n<\/ul>\n<p>\u65e0\u9700\uff1a<\/p>\n<ul>\n<li>\u7ea0\u9519<\/li>\n<li>\u6d41\u91cf\u63a7\u5236<\/li>\n<li>\u5e8f\u53f7<\/li>\n<li>\u591a\u70b9\u7ebf\u8def<\/li>\n<\/ul>\n<p>\u7ec4\u6210<\/p>\n<ul>\n<li>\u5c06IP\u6570\u636e\u62a5\u5c01\u88c5\u5230\u4e32\u884c\u94fe\u8def\u7684\u65b9\u6cd5<\/li>\n<li>\u94fe\u8def\u63a7\u5236\u534f\u8baeLCP\uff0c\u5efa\u7acb\u5e76\u7ef4\u62a4\u94fe\u8def\u8fde\u63a5\uff0c\u8eab\u4efd\u9a8c\u8bc1<\/li>\n<li>\u7f51\u7edc\u63a7\u5236\u534f\u8baeNCP\uff1aPPP\u53ef\u652f\u6301\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u6bcf\u4e2a\u4e0d\u540c\u7684\u7f51\u8def\u5c42\u534f\u8bae\u90fd\u8981\u54cd\u5e94NCP\u6765\u914d\u7f6e\uff0c\u4e3a\u7f51\u7edc\u5c42\u534f\u8bae\u5efa\u7acb\u914d\u7f6e\u903b\u8f91\u94fe\u63a5<\/li>\n<\/ul>\n<h3>HDLC\u534f\u8bae<\/h3>\n<p>\u7531ISO\u8bbe\u8ba1\uff0c\u5168\u53cc\u5de5\uff0c\u9762\u5411bit\uff0c0\u6bd4\u7279\u63d2\u5165\u6cd5\uff0c\u4f20\u8f93\u53ef\u9760\u6027\u9ad8<\/p>\n<p>\u4e09\u79cd\u7ad9<\/p>\n\n\n<div>\n\n<table><tbody><tr class=\"evenRow\"><td align=\"center\">PPP\u534f\u8bae<\/td><td align=\"center\">\u9762\u5411\u5b57\u8282<\/td><td align=\"center\">2B\u534f\u8bae\u5b57\u6bb5<\/td><td align=\"center\">\u65e0\u5e8f\u53f7\u548c\u786e\u8ba4\u673a\u5236<\/td><td align=\"center\">\u4e0d\u53ef\u9760<\/td><\/tr><tr class=\"oddRow\"><td align=\"center\">HDLC\u534f\u8bae<\/td><td align=\"center\">\u9762\u5411\u6bd4\u7279<\/td><td align=\"center\">\u65e0<\/td><td align=\"center\">\u6709\u7f16\u53f7\u548c\u786e\u8ba4\u673a\u5236<\/td><td align=\"center\">\u53ef\u9760<\/td><\/tr><\/tbody><\/table>\n\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u94fe\u8def\u5c42\u8bbe\u5907<\/h1>\n\n\n\n<p>\u94fe\u8def\u5c42\u6269\u5c55\u4ee5\u592a\u7f51<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u6865<\/h2>\n\n\n\n<p>\u901a\u8fc7MAC\u5e27\u5730\u5740\u5bf9\u5e27\u8fdb\u884c\u8f6c\u53d1\u548c\u8fc7\u6ee4\uff0c\u68c0\u67e5MAC\u5730\u5740\u8fdb\u884c\u63a5\u53e3\u8f6c\u53d1\uff0c\u65e0\u5730\u5740\u5219\u4e22\u5f03<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fc7\u6ee4\u901a\u4fe1\uff08\u5206\u5272\u51b2\u7a81\u4e0e\uff09\uff0c\u589e\u5927\u541e\u5410\u91cf<\/li><li>\u6269\u5927\u7269\u7406\u4f20\u8f93\u8303\u56f4<\/li><li>\u63d0\u9ad8\u53ef\u9760\u6027<\/li><li>\u4e92\u8054\u4e0d\u540c\u7269\u7406\u5c42\u3001\u4e0d\u540cMAC\u5b50\u5c42\u3001\u4e0d\u540c\u901f\u7387\u4ee5\u592a\u7f51<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u900f\u660e\u7f51\u6865<\/h3>\n\n\n\n<p>\u7f51\u6865\u81ea\u5b66\u4e60\u8f6c\u53d1\u8868\uff0c\u4ee5\u592a\u7f51\u4e0a\u7ad9\u70b9\u4e0d\u77e5\u9053\u53d1\u9001\u5e27\u7684\u7f51\u6865\u7ecf\u8fc7\uff0c\u5373\u63d2\u5373\u7528<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6e90\u8def\u7531\u7f51\u6865<\/h3>\n\n\n\n<p>\u5728\u53d1\u9001\u5e27\u65f6\uff0c\u628a\u6700\u4f73\u8def\u7531\u4fe1\u606f\u653e\u5728\u5e27\u9996\u90e8<\/p>\n\n\n\n<p>\u65b9\u6cd5\uff1a\u6e90\u7ad9\u4ee5\u5e7f\u64ad\u7684\u5f62\u5f0f\u5411\u6b32\u901a\u4fe1\u76ee\u7684\u7ad9\u53d1\u9001\u53d1\u73b0\u5e27\uff0c\u7b49\u5f85\u54cd\u5e94\u5e27\u5e26\u6765\u7684\u8def\u7531\u65b9\u6848<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ea4\u6362\u673a<\/h2>\n\n\n\n<p>\u591a\u7aef\u53e3\u3001\u591a\u63a5\u53e3\u7f51\u6865\uff0c\u5347\u7ea7\u54c1<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u7aef\u53e3\u63a5\u4e00\u4e2a\u51b2\u7a81\u57df<\/p>\n\n\n\n<p>\u72ec\u5360\u4f20\u8f93\u5a92\u4f53\u5e26\u5bbd<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f4\u901a\u5f0f\u4ea4\u6362\u673a<\/h3>\n\n\n\n<p>\u67e5\u770b\u76ee\u7684\u5730\u5740\u7acb\u5373\u8f6c\u53d1\uff0c\u5ef6\u8fdf\u5c0f\u53ef\u9760\u6027\u4f4e\uff0c\u4e0d\u652f\u6301\u4e0d\u540c\u901f\u7387<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b58\u50a8\u8f6c\u53d1\u5f0f\u4ea4\u6362\u673a<\/h3>\n\n\n\n<p>\u5c06\u5e27\u653e\u5165\u9ad8\u901f\u7f13\u5b58\u68c0\u9a8c\uff0c\u6b63\u786e\u8f6c\u53d1\u9519\u8bef\u4e22\u5f03\u3002\u5ef6\u8fdf\u5927\uff0c\u53ef\u9760\u6027\u9ad8\uff0c\u652f\u6301\u4e0d\u540c\u901f\u7387\u8f6c\u53d1<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u51b2\u7a81\u57df&amp;\u5e7f\u64ad\u57df<\/h2>\n\n\n\n<p>\u51b2\u7a81\u57df\uff1a\u5728\u540c\u4e00\u4e2a\u51b2\u7a81\u57df\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8282\u70b9\u90fd\u80fd\u6536\u5230\u6240\u6709\u88ab\u53d1\u9001\u7684\u5e27\u3002\u7b80\u5355\u7684\u8bf4\u5c31\u662f\u540c\u4e00\u65f6\u95f4\u5185\u53ea\u80fd\u6709\u4e00\u53f0\u8bbe\u5907\u53d1\u9001\u4fe1\u606f\u7684\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u5e7f\u64ad\u57df\uff1a\u7f51\u7edc\u4e2d\u80fd\u63a5\u6536\u4efb\u4e00\u8bbe\u5907\u53d1\u51fa\u7684\u5e7f\u64ad\u5e27\u7684\u6240\u6709\u8bbe\u5907\u7684\u96c6\u5408\u3002\u7b80\u5355\u7684\u8bf4\u5982\u679c\u7ad9\u70b9\u53d1\u51fa\u4e2a\u5e7f\u64ad\u4fe1\u53f7\uff0c\u6240\u6709\u80fd\u63a5\u6536\u6536\u5230\u8fd9\u4e2a\u4fe1\u53f7\u7684\u8bbe\u5907\u8303\u56f4\u79f0\u4e3a\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>&nbsp;<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u80fd\u5426\u9694\u79bb\u51b2\u7a81\u57df<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u80fd\u5426\u9694\u79bb\u5e7f\u64ad\u57df<\/th><\/tr><\/thead><tbody><tr><td>\u7269\u7406\u5c42\u8bbe\u5907 (\u4e2d\u7ee7\u5668\u3001\u96c6\u7ebf\u5668\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td>\u94fe\u8def\u5c42\u8bbe\u5907 (\u7f51\u6865\u3001\u4ea4\u6362\u673a\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td>\u7f51\u7edc\u5c42\u8bbe\u5907 (\u8def\u7531\u5668\uff09<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" 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