\u6458 \u8981 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u662f\u6700\u65b0\u7684\u9ad8\u901f\u4ee5\u592a\u7f51\u6280\u672f\uff0c\u4e0d\u4f46\u53ef\u9760\u6027\u9ad8\uff0c\u6210\u672c\u4f4e\uff0c\u800c\u4e14\u53ef\u4ee5\u5c06\u4ee5\u592a\u7f51\u7684\u5e94\u7528\u8303\u56f4\u6269\u5c55\u5230\u5e7f\u57df\u7f51\uff0c\u56e0\u6b64\u6709\u7740\u5e7f\u6cdb\u7684\u53d1\u5c55\u524d\u666f\u3002\u672c\u6587\u4ecb\u7ecd\u4e8610\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u534f\u8bae\u7684\u5206\u5c42\u6a21\u578b\uff1b10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u76f8\u5bf9\u4e8e\u4ee5\u5f80\u4ee5\u592a\u7f51\u7684\u91cd\u5927\u6539\u8fdb\uff1a10\u5409\u6bd4\u7279\u8fde\u63a5\u5355\u5143\u63a5\u53e3\u548c\u5e7f\u57df\u7f51\u7269\u7406\u5c42\uff1b\u4ee5\u53ca10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u5177\u4f53\u4f18\u52bf\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u5173\u952e\u8bcd 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\uff0810GE\uff09 10\u5409\u6bd4\u7279\u8fde\u63a5\u5355\u5143\u63a5\u53e3\uff08XAUI\uff09 \u5f00\u653e\u7cfb\u7edf\u4e92\u8fde\uff08OSI\uff09\u53c2\u8003\u6a21\u578b \u670d\u52a1\u7c7b\u522b\uff08CoS\uff09
\n\u3000\u3000
\n\u3000\u30001 \u5f15\u8a00
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u5728\u8fc7\u53bb\u7684\u5341\u51e0\u5e74\u91cc\uff0c\u4ee5\u592a\u7f51\u6280\u672f\u5df2\u7ecf\u6210\u4e3a\u5c40\u57df\u7f51\u9886\u57df\u4e2d\u7684\u4e3b\u6d41\u6280\u672f\uff0c\u968f\u7740\u7f51\u7edc\u5e26\u5bbd\u9700\u6c42\u7684\u65e5\u76ca\u589e\u52a0\uff0c\u4ee5\u592a\u7f51\u6280\u672f\u4e5f\u7ecf\u5386\u4e86\u4e00\u4e2a\u4e0d\u65ad\u53d1\u5c55\u8fdb\u6b65\u7684\u8fc7\u7a0b\uff1a1982\u5e74\u5236\u5b9a\u4e8610\u5146\u6bd4\u7279\u4ee5\u592a\u7f51\u6807\u51c6IEEE 802.3\uff1b1993~1995\u5e74\u5236\u5b9a\u4e86100\u5146\u6bd4\u7279\u4ee5\u592a\u7f51\u6807\u51c6IEEE 802.3u\uff1b1995~1999\u5e74\u5236\u5b9a\u4e86\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u6807\u51c6IEEE 802.3Z\u548cIEEE 802.3ab\uff1b2000\u5e74\u5236\u5b9a\u4e8610\u5146\/100\u5146\/\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u94fe\u8def\u805a\u5408\u6807\u51c6IEEE 802.3ad\uff1b2000~2002\u5e74\u5236\u5b9a\u4e8610\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u6807\u51c6IEEE 802.ae\u3002\u7ecf\u8fc720\u591a\u5e74\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u4e0d\u4f46\u4ee5\u592a\u7f51\u7684\u901f\u5ea6\u4ece10Mbit\/s\u3001100Mbit\/s\u30011Gbit\/s\u523010G bit\/s\u4e0d\u65ad\u63d0\u9ad8\uff0c\u800c\u4e14\u5176\u5e94\u7528\u8303\u56f4\u4e5f\u4e0d\u65ad\u6269\u5927\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u300010\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u662f\u6700\u65b0\u7684\u9ad8\u901f\u4ee5\u592a\u7f51\u6280\u672f\uff0c\u9002\u5e94\u4e8e\u65b0\u578b\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u5177\u6709\u53ef\u9760\u6027\u9ad8\u3001\u5b89\u88c5\u548c\u7ef4\u62a4\u90fd\u76f8\u5bf9\u7b80\u5355\u7b49\u5f88\u591a\u4f18\u70b9\uff0c\u540c\u65f6\u91c7\u752810\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u6784\u5efa\u7cfb\u7edf\u7684\u8d39\u7528\u6bd4\u91c7\u7528ATM\/SONET\u6280\u672f\u6784\u5efa\u7684\u7c7b\u4f3c\u7cfb\u7edf\u53ef\u964d\u4f4e25%\u5de6\u53f3\uff0c\u5e76\u4e1410\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u80fd\u63d0\u4f9b\u66f4\u65b0\u3001\u66f4\u5feb\u7684\u6570\u636e\u4e1a\u52a1\uff0c\u66f4\u91cd\u8981\u7684\u4e00\u70b9\u662f10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u4e0d\u4f46\u517c\u5bb9\u73b0\u6709\u7684\u5c40\u57df\u7f51\u6280\u672f\u5e76\u4e14\u53ef\u4ee5\u5c06\u4ee5\u592a\u7f51\u7684\u5e94\u7528\u8303\u56f4\u6269\u5c55\u5230\u5e7f\u57df\u7f51\uff0c\u65e2\u53ef\u4ee5\u548cSONET\u534f\u540c\u5de5\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7aef\u5230\u7aef\u7684\u4ee5\u592a\u7f51\u8fde\u63a5\u3002\u3000\u3000\u76ee\u524d\uff0c\u5728\u5e7f\u57df\u7f51\u4e2d\u51b3\u5927\u591a\u6570\u91c7\u7528\u7684\u662fSDH\/SONET\u4f20\u8f93\u6280\u672f\uff0c\u8fd9\u662f\u56e0\u4e3aSDH\/SONET\u662f\u4e00\u79cd\u975e\u5e38\u6210\u719f\u7684\u4f20\u8f93\u6280\u672f\uff0c\u6709\u5f3a\u5927\u7684\u7f51\u7ba1\u3001\u81ea\u6108\u548c\u6062\u590d\u529f\u80fd\uff0c\u4f46\u662fSDH\u4e5f\u6709\u81ea\u8eab\u7684\u7f3a\u70b9\uff0c\u5982\u4f7f\u7528\u7684\u5e27\u683c\u5f0f\u8f83\u590d\u6742\u3001\u8bbe\u5907\u6602\u8d35\u3001\u5f00\u9500\u5927\u3001\u51c0\u8377\u4f20\u9001\u7684\u6548\u7387\u4f4e\u7b49\uff0c\u540c\u65f6SDH\u7cfb\u7edf\u7531\u4e8e\u5176\u6700\u521d\u8bbe\u8ba1\u662f\u7528\u6765\u4f20\u8f93\u8bed\u97f3\u4e1a\u52a1\uff0c\u6545\u63a5\u5165\u79cd\u7c7b\u6709\u9650\uff0c\u901a\u5e38\u53ea\u6709PDH\uff082Mbit\/s\u300134Mbit\/s\u3001140Mbit\/s\uff09\u548cSDH\uff08STM-1\u3001STM-4\u3001STM-16\u3001STM-64\uff09\u7b49\u901f\u7387\uff0c\u5bf9\u76ee\u524d\u5feb\u901f\u53d1\u5c55\u7684\u6570\u636e\u4e1a\u52a1\uff08\u5982\u4ee5\u592a\u7f51\u3001ATM\u7b49\uff09\u5904\u7406\u8d77\u6765\u5c31\u975e\u5e38\u56f0\u96be\uff0c\u800c10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u5c40\u57df\u7f51\u3001\u57ce\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u91c7\u7528\u540c\u4e00\u79cd\u6838\u5fc3\u6280\u672f\uff0c\u7f51\u7edc\u6613\u4e8e\u7ba1\u7406\u548c\u7ef4\u62a4\uff0c\u540c\u65f6\u907f\u514d\u4e86\u534f\u8bae\u8f6c\u6362\uff0c\u80fd\u5b9e\u73b0\u5c40\u57df\u7f51\u3001\u57ce\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u4e4b\u95f4\u7684\u65e0\u7f1d\u8fde\u63a5\uff0c\u5e76\u4e14\u4ef7\u683c\u4f4e\u5ec9\uff0c\u56e0\u6b6410\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u6709\u7740\u5e7f\u6cdb\u7684\u53d1\u5c55\u524d\u666f\u3002
\n\u3000\u3000
\n\u3000\u30002 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u534f\u8bae\u5206\u5c42\u7ed3\u6784
\n\u3000\u3000
\n\u3000\u3000\u3000\u300010\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u5728\u4f20\u7edf\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\u7684\u5f00\u653e\u7cfb\u7edf\u4e92\u8fde\uff08Open Systems Interconnection, OSI\uff09\u53c2\u8003\u6a21\u578b\u4e2d\uff0c\u5c5e\u4e8e2\u5c42\u534f\u8bae\uff0c\u4ecd\u7136\u4f7f\u7528IEEE 802.3\u4ee5\u592a\u7f51\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236\uff08Media Access Control, MAC\uff09\u534f\u8bae\uff0c\u5176\u5e27\u683c\u5f0f\u548c\u5927\u5c0f\u4e5f\u7b26\u5408IEEE 802.3\u6807\u51c6\u3002\u4f46\u662f10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u4e0e\u4ee5\u5f80\u7684\u4ee5\u592a\u7f51\u6807\u51c6\u76f8\u6bd4\uff0c\u9664\u4e86\u901f\u5ea6\u663e\u8457\u63d0\u9ad8\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u663e\u8457\u4e0d\u540c\u7684\u5730\u65b9\uff0c\u5982\uff1a
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\uff081\uff0910\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u53ea\u652f\u6301\u53cc\u5de5\u6a21\u5f0f\uff0c\u800c\u4e0d\u652f\u6301\u5355\u5de5\u6a21\u5f0f\uff0c\u800c\u4ee5\u5f80\u7684\u5404\u79cd\u4ee5\u592a\u7f51\u6807\u51c6\u5747\u652f\u6301\u5355\u5de5\/\u53cc\u5de5\u6a21\u5f0f\uff1b
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\uff082\uff0910\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7531\u4e8e\u4f20\u8f93\u901f\u7387\u9ad8\uff0c\u5176\u4f7f\u7528\u7684\u5a92\u4f53\u53ea\u80fd\u662f\u5149\u7ea4\uff0c\u800c\u4ee5\u5f80\u7684\u5404\u79cd\u4ee5\u592a\u7f51\u6807\u51c6\u5747\u652f\u6301\u94dc\u7f06\uff1b
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\uff083\uff0910\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u4e0d\u6ee1\u8db3\u5e26\u51b2\u7a81\u68c0\u6d4b\u7684\u8f7d\u6ce2\u4fa6\u542c\u591a\u5740\uff08Carrier Sensing Multiple Access with Collision Detection, CSMA\/CD\uff09\u534f\u8bae\uff0c\u56e0\u4e3a\u8fd9\u79cd\u6280\u672f\u5c5e\u4e8e\u8f83\u6162\u7684\u5355\u5de5\u4ee5\u592a\u7f51\u6280\u672f\uff1b
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\uff084\uff0910\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u4f7f\u752864B\/66B\u548c8B\/10B\u4e24\u79cd\u7f16\u7801\u65b9\u5f0f\uff0c\u800c\u4f20\u7edf\u4ee5\u592a\u7f51\u53ea\u4f7f\u75288B\/10B\u7f16\u7801\u65b9\u5f0f\uff1b
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\uff085\uff0910\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u6539\u8fdb\uff0c\u5373\u5b83\u5177\u6709\u652f\u6301\u5c40\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u63a5\u53e3\uff0c\u4e14\u5176\u6709\u6548\u8ddd\u79bb\u53ef\u8fbe40km\uff0c\u800c\u4ee5\u5f80\u7684\u4ee5\u592a\u7f51\u53ea\u652f\u6301\u5c40\u57df\u7f51\u5e94\u7528\uff0c\u6709\u6548\u4f20\u8f93\u8ddd\u79bb\u4e0d\u8d85\u8fc75km\u3002\u5176\u6709\u6548\u4f5c\u7528\u8ddd\u79bb\u7684\u589e\u5927\u4e3a10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u5728\u5e7f\u57df\u7f51\u4e2d\u7684\u5e94\u7528\u6253\u4e0b\u4e86\u57fa\u7840\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000IEEE 802.3ae\u6807\u51c6\u7684\u7ed3\u6784\u548cOSI\u4e03\u5c42\u6a21\u578b\u7684\u5bf9\u5e94\u5173\u7cfb\uff0cIEEE 802.3ae\u6807\u51c6\u7279\u522b\u5212\u5206\u4e86\u4e24\u79cd10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7269\u7406\u5c42\u7c7b\u578b\uff1a\u5c40\u57df\u7f51\uff08Local Area Network, LAN\uff09\u7269\u7406\u5c42\u548c\u5e7f\u57df\u7f51\uff08Wide Area Network, WAN\uff09\u7269\u7406\u5c42\uff0c\u5e7f\u57df\u7f51\u7269\u7406\u5c42\u7684\u529f\u80fd\u5728\u5c40\u57df\u7f51\u7269\u7406\u5c42\u7684\u529f\u80fd\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u6269\u5c55\u3002\u800c\u5c40\u57df\u7f51\u7269\u7406\u5c42\u53c8\u5206\u4e24\u7c7b\uff1a10Base-R\u548c10Base-X\uff0c\u5b83\u4eec\u7684\u5dee\u522b\u5728\u4e8e\u7f16\u7801\u65b9\u5f0f\u4e0d\u540c\uff0cR\u4ee3\u8868\u91c7\u752864B\/66B\u7f16\u7801\uff1bX\u4ee3\u8868\u91c7\u7528\u4f20\u7edf\u76848B\/10B\u7f16\u7801\uff0c\u5e7f\u57df\u7f51\u7684\u7269\u7406\u5c42\u53ea\u6709\u4e00\u79cd\u7c7b\u578b\uff0c\u537310Base- W\u91c7\u752864B\/66B\u7f16\u7801\u3002IEEE 802.3ae\u6807\u51c6\u4e2d\u4e0e\u7269\u7406\u5c42\u76f8\u5bf9\u5e94\u7684\u7ed3\u6784\u4e3a\uff1a\u7269\u7406\u5a92\u4f53\u76f8\u5173\uff08Physical Media Dependent, PMD\uff09\u5b50\u5c42\u3001\u7269\u7406\u5a92\u4f53\u9644\u5c5e\uff08Physical Medium Attachment, PMA\uff09\u5b50\u5c42\u3001\u7269\u7406\u7f16\u7801\u5b50\u5c42\uff08Physical Coding Sublayer , PCS\uff09\u300110\u5409\u6bd4\u7279\u5a92\u4f53\u65e0\u5173\u63a5\u53e3\uff0810 Gigabit Medium Independent Interface, XGMII\uff09\u548c\u534f\u8c03\u5b50\u5c42\uff08Reconciliation Sublay- er, RS\uff09\u3002\u534f\u8c03\u5c42\u7684\u529f\u80fd\u662f\u628aXGMII\u7684\u4fe1\u53f7\u96c6\u4f20\u9001\u7ed9MAC\uff1bXGMII\u88ab\u5b9a\u4e49\u4e3a\u4eceMAC\u5230\u7269\u7406\u5c42\u768410\u5409\u6bd4\u7279\u63a5\u53e3\uff0c\u5b83\u8fd8\u63d0\u4f9b\u5206\u79bb\u76848bit\u621664bit\u4f20\u8f93\u548c\u63a5\u6536\u6570\u636e\u7684\u8def\u5f84\u3001\u5fc5\u8981\u7684\u63a7\u5236\u4fe1\u606f\u3001\u65f6\u949f\u4fe1\u53f7\u7b49\u7528\u4e8e\u63a7\u5236\u540c\u6b65\u7684\u4fe1\u606f\uff1bPCS\u5b50\u5c42\u5bf9\u4f20\u9001\u51fa\u53bb\u7684\u6570\u636e\u8fdb\u884c\u7f16\u7801\uff0c\u5bf9\u63a5\u6536\u6570\u636e\u8fdb\u884c\u89e3\u7801\uff1bPMA\u7684\u4f5c\u7528\u4e3b\u8981\u662f\u5728\u4f20\u9001\u6570\u636e\u65f6\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u7f16\u53f7\u5e76\u6392\u5e8f\uff0c\u5728\u63a5\u6536\u6570\u636e\u65f6\u6839\u636e\u7f16\u53f7\u628a\u8fd9\u4e9b\u6570\u636e\u8fd8\u539f\u4e3a\u539f\u6765\u7684\u5f62\u5f0f\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u80fd\u6b63\u786e\u4f20\u8f93\uff1bPMD\u901a\u8fc7\u5a92\u4f53\u76f8\u5173\u63a5\u53e3\uff08Medium Dependent Interface, MDI\uff09\u4e0e\u5a92\u4f53\uff08\u5149\u7ea4\uff09\u76f8\u8fde\uff0c\u4e3b\u8981\u8d1f\u8d23\u6bd4\u7279\u6d41\u7684\u4f20\u9001\u548c\u63a5\u6536\uff0c\u5e7f\u57df\u7f51\u7684\u7269\u7406\u5c42\u6bd4\u5c40\u57df\u7f51\u7684\u7269\u7406\u5c42\u591a\u4e00\u4e2a\u5b50\u5c42\uff0c\u5373\u5e7f\u57df\u7f51\u63a5\u53e3\u5b50\u5c42\uff08WAN Interface Sublayer, WIS\uff09\uff0c\u5b83\u80fd\u63d0\u4f9b\u7b80\u5316\u7684SONET\u5e27\u529f\u80fd\uff0cWIS\u7684\u8f93\u51fa\u4fe1\u53f7\u4e0eOC-192\u5e27\u683c\u5f0f\u517c\u5bb9\u3002IEEE 802.3ae\u6807\u51c6\u4e2d\u4e0e\u6570\u636e\u94fe\u8def\u5c42\u5bf9\u5e94\u7684\u7ed3\u6784\u4e3a\uff1a\u903b\u8f91\u94fe\u8def\u63a7\u5236\u5c42\uff08LLC\uff09\u3001\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236\u5c42\uff08MAC\uff09\uff0c\u8fd9\u4e24\u5c42\u7684\u529f\u80fd\u4e0e\u4ee5\u5f80\u4ee5\u592a\u7f51\u6807\u51c6\u7684\u529f\u80fd\u57fa\u672c\u76f8\u540c\u3002
\n\u3000\u3000
\n\u3000\u30003 XAUI\u63a5\u53e3
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u5728MAC\u548c\u7269\u7406\u5c42\u4e4b\u95f4\u662fXGMII\uff0cXGMII\u4e3a10\u5409\u6bd4\u7279\u5168\u53cc\u5de5\u63a5\u53e3\uff0c\u5176\u5bbd\u5ea6\u4e3a74bit\uff0c\u5176\u4e2d\u6570\u636e\u901a\u9053\u4e3a64bit\uff08\u5355\u5411\u6570\u636e\u901a\u9053\u4e3a32bit\uff09\uff0c\u5176\u4f59\u7684\u4e3a\u65f6\u949f\u548c\u63a7\u5236\u4fe1\u53f7\u6bd4\u7279\uff0c\u5b83\u662f\u8fde\u63a5\u4ee5\u592a\u7f51MAC\u5c42\u548c\u7269\u7406\u5c42\u7684\u6865\u6881\u3002\u5f53XGMII\u63d0\u4f9b10\u5409\u6bd4\u7279\u7684\u6570\u636e\u901a\u9053\u65f6\uff0c\u7531\u4e8e\u65f6\u949f\u6bd4\u7279\u548c\u6570\u636e\u6bd4\u7279\u518d\u52a0\u4e0a\u5728\u65f6\u949f\u4e0a\u5347\u6cbf\u548c\u4e0b\u964d\u6cbf\u9501\u5b58\u6570\u636e\u7684\u5b9a\u65f6\u8981\u6c42\uff0c\u4f1a\u5bfc\u81f4\u8def\u7531\u9009\u62e9\u7684\u603b\u7ebf\u957f\u5ea6\u8d85\u51fa\u901a\u5e38\u5efa\u8bae\u76847cm\uff0c\u56e0\u6b64\u4f7f\u7528XGMII\u603b\u7ebf\u4f1a\u5bf9\u7cfb\u7edf\u7ebf\u5361\u7684\u7aef\u53e3\u6570\u91cf\u4ea7\u751f\u5f88\u5927\u9650\u5236\uff0c\u6240\u4ee5\u5728\u82af\u7247\u4e4b\u95f4\u3001\u5404\u79cd\u677f\u4e4b\u95f4\uff0c\u4ee5\u53ca\u82af\u7247\u548c\u5149\u5b66\u7ec4\u4ef6\u4e4b\u95f4\u7684\u63a5\u53e3\u4e00\u822c\u4e0d\u9009\u7528\u6b64\u63a5\u53e3\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u56f0\u96be\uff0c\u4eba\u4eec\u5c31\u63d0\u51fa\u4e8610\u5409\u6bd4\u7279\u8fde\u63a5\u5355\u5143\u63a5\u53e3\uff0810Gigabit Attachment Unit Interface, XAUI\uff09\u3002XAUI\u662f10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u91cd\u5927\u53d8\u5316\u4e4b\u4e00\uff0c\u5b83\u80fd\u6781\u5927\u5730\u6539\u8fdb\u548c\u7b80\u5316\u4e92\u8fde\u7684\u8def\u7531\u9009\u62e9\u3002XAUI\u63a5\u53e3\u662f\u4e00\u4e2a\u5168\u53cc\u5de5\u63a5\u53e3\uff0c\u5b83\u5206\u522b\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u4f7f\u75284\u5bf9\u81ea\u540c\u6b65\u4e32\u884c\u94fe\u8def\u6765\u5b9e\u73b010Gbit\/s\u7684\u541e\u5410\u91cf\u3002\u6bcf\u4e00\u4e2a\u4e32\u884c\u94fe\u8def\u4f7f\u75288B\/10B\u7f16\u7801\u4f20\u9001\u6570\u636e\u548c\u5f00\u9500\uff0c\u5176\u5de5\u4f5c\u901f\u7387\u4e3a3.125Gbit\/s\uff0c\u81ea\u540c\u6b65\u7279\u6027\u6d88\u9664\u4e86\u65f6\u949f\u548c\u6570\u636e\u7684\u76f8\u4f4d\u504f\u79fb\u3002XGMII\u548cXAUI\u63a5\u53e3\u4e4b\u95f4\u7684\u8f6c\u6362\u7531XAUI\u6269\u5c55\u5b50\u5c42\uff08XAUI Extender Sublayer, XGXS\uff09\u5b8c\u6210\uff0c\u5728XAUI\u63a5\u53e3\u7684\u4fe1\u53f7\u6e90\u4fa7\uff0c\u67d0\u7ed9\u5b9a\u7ebf\u4e0a\u7684\u6570\u636e\u548c\u65f6\u949f\u5b57\u8282\u5728XGXS\u4e2d\u88ab\u8f6c\u53d8\u62108B\/10B\u7f16\u7801\u6570\u636e\u6d41\u3002\u6bcf\u5bf9\u7ebf\u4e0a\u7684\u6570\u636e\u6d41\u4f20\u8f93\u901f\u7387\u4e3a3.125Gbit\/s\u3002\u5728\u4e92\u8fde\u7684\u4fe1\u53f7\u5bbf\u4fa7\uff0c\u5c06\u65f6\u949f\u4fe1\u53f7\u4ece\u5230\u8fbe\u7684\u6570\u636e\u6d41\u4e2d\u63d0\u53d6\u51fa\u6765\uff0c\u518d\u901a\u8fc7\u89e3\u7801\uff0c\u91cd\u65b0\u6620\u5c04\u621032bit XGMII\u683c\u5f0f\u3002\u8fd9\u6837\uff0c74\u9488\u7684XGMII\u63a5\u53e3\u53ef\u4ee5\u51cf\u5c11\u62108\u5bf9\u537316\u9488\u7684XAUI\u63a5\u53e3\uff1b\u800c\u4e14\uff0cXAUI\u7684\u4fe1\u6e90\u540c\u6b65\u65f6\u949f\u65b9\u6848\u5141\u8bb8XAUI\u4ea4\u53c9\u65f6\u949f\u57df\uff0c\u4ece\u800c\u5728\u7cfb\u7edf\u4e2d\u9664\u53bb\u590d\u6742\u7684\u5b9a\u65f6\u6821\u6b63\u3002\u7531\u4e8eXAUI\u63a5\u53e3\u7ed3\u6784\u7d27\u51d1\uff0c\u6027\u80fd\u5065\u58ee\uff0c\u56e0\u6b64\u5f88\u9002\u5408\u7528\u4e8e\u82af\u7247\u4e4b\u95f4\u3001\u5404\u79cd\u677f\u4e4b\u95f4\uff0c\u4ee5\u53ca\u82af\u7247\u548c\u5149\u5b66\u7ec4\u4ef6\u4e4b\u95f4\u3002
\n\u3000\u3000
\n\u3000\u30004 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u5e7f\u57df\u7f51\u7269\u7406\u5c42
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u4ee5\u524d\u7684IEEE 802.3\u4ee5\u592a\u7f51\u6807\u51c6\u7cfb\u5217\uff08\u598210Mbit\/s\u3001100Mbit\/s\u30011Gbit\/s\uff09\u90fd\u4e0e\u5e7f\u57df\u7f51\u4f20\u8f93\u8bbe\u5907\u4f20\u7edf\u7684\u63a5\u53e3\u901f\u7387\u4e0d\u540c\uff0c\u5982DS-3\uff0845Mbit\/s\uff09\u3001OC-3\uff08155Mbit\/s\uff09\u3001 OC-12\uff08622Mbit\/s\uff09\u548cOC-48\uff082.5Gbit\/s\uff09\u3002\u56e0\u6b64\uff0c\u5f53\u4ee5\u592a\u7f51\u8bbe\u5907\u548c\u5e7f\u57df\u7f51\u4f20\u8f93\u8bbe\u5907\u76f8\u8fde\u65f6\uff0c\u5c31\u9700\u8981\u4e00\u4e9b\u5176\u4ed6\u8bbe\u5907\u5c06\u4ee5\u592a\u7f51\u901f\u5ea6\uff08\u5305\u62ec\u534f\u8bae\uff09\u8f6c\u53d8\u6210\u5e7f\u57df\u7f51\u4f20\u8f93\u683c\u5f0f\u3002\u800c10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u901f\u5ea6\u548c\u9aa8\u5e72\u7f51OC-192\u7684\u901f\u73879.95328Gbit\/s\u57fa\u672c\u76f8\u540c\uff0c\u8fd9\u5c31\u5728\u4ee5\u592a\u7f51\u5386\u53f2\u4e0a\u7b2c\u4e00\u6b21\u4e0d\u9700\u8981\u989d\u5916\u7684\u901f\u5ea6\u5339\u914d\u8bbe\u5907\uff0c10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u53ef\u4ee5\u548c\u5176\u4ed6\u7684\u5e7f\u57df\u7f51\u8bbe\u5907\u5b9e\u73b0\u65e0\u7f1d\u8fde\u63a5\u3002\u8fd9\u6837\uff0c\u5efa\u8bbe\u7aef\u5230\u7aef\u7684\u4ee5\u592a\u7f51\u65f6\uff0c\u6210\u672c\u4f1a\u5927\u5927\u964d\u4f4e\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u300010\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u76f8\u5bf9\u4e8e\u4ee5\u5f80\u4ee5\u592a\u7f51\u7684\u91cd\u5927\u6539\u8fdb\u4e4b\u4e00\u662f\u63d0\u51fa\u4e86\u5e7f\u57df\u7f51\u7269\u7406\u5c42\uff0c\u5982\u56fe3\u6240\u793a\uff0c\u5e7f\u57df\u7f51\u7269\u7406\u5c42\u4e0e\u5c40\u57df\u7f51\u7269\u7406\u5c42\u4e0d\u540c\uff0c\u5e7f\u57df\u7f51\u7684\u7269\u7406\u5c42\u4e2d\u591a\u4e86\u4e00\u4e2a\u5e7f\u57df\u7f51\u63a5\u53e3\u5b50\u5c42\uff08WIS\uff09\uff0cWIS\u4e2d\u5305\u62ec\u4e00\u4e2a\u7b80\u5316\u7684SONET\/SDH\u5e27\u3002\u7531\u4e8eSONET OC-192\/SDH STM-64D\u7684\u4f20\u9001\u901f\u5ea6\u4e3a9.95Gbit\/s\uff0c\u4e0e10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u901f\u5ea6\u57fa\u672c\u76f8\u540c\uff0c\u56e0\u6b64\u6267\u884cMAC\u5c31\u5f88\u7b80\u5355\u3002\u4e3a\u4e86\u4f7f\u5e7f\u57df\u7f51\u7269\u7406\u5c42\u7684\u6210\u672c\u4f4e\u5ec9\uff0c10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u7b80\u5316\u5e27\u7ed3\u6784\u53ea\u652f\u6301\u6545\u969c\u9694\u79bb\u6240\u9700\u7684SONET\u5f00\u9500\uff0c\u800c\u4e0d\u5305\u542b\u6709\u5173\u6296\u52a8\u3001\u4e3b\u4ece\u540c\u6b65\u65f6\u949f\u548c\u5176\u4ed6\u4e00\u4e9bSONET\/SDH\u5149\u5b66\u89c4\u8303\uff0c\u8fd9\u79cd\u7b80\u5316\u65b9\u5f0f\uff0c\u907f\u514d\u4e86\u4e0d\u9700\u8981\u7684\u529f\u80fd\uff0c\u964d\u4f4e\u4e86\u8bbe\u5907\u7684\u590d\u6742\u6027\uff0c\u4ece\u800c\u80fd\u51cf\u5c11\u8d39\u7528\u3002
\n\u3000\u3000
\n\u3000\u30005 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u7684\u4f18\u52bf
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u4f7f\u752810\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u6280\u672f\u80fd\u6ee1\u8db3\u5c40\u57df\u7f51\u3001\u57ce\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u4f20\u8f93\u7684\u5173\u952e\u9700\u6c42\uff1a
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000? \u9ad8\u901f\u7684\u7f51\u7edc\u8fde\u901a\u6027\uff0c\u9ad8\u7684\u53ef\u9760\u6027\u3001\u53ef\u4f38\u7f29\u6027
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u4ee5\u592a\u7f51\u652f\u6301\u7684\u5e26\u5bbd\u7b49\u7ea7\u670910Mbit\/s\u3001100 Mbit\/s\u30011Gbit\/s\u548c\u5230\u73b0\u5728\u768410Gbit\/s\uff0c\u56e0\u6b64\uff0c10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u5f88\u5bb9\u6613\u63d0\u4f9b\u9ad8\u901f\u7684\u7f51\u7edc\u8fde\u901a\u6027\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u901f\u7387\u9650\u5236\u529f\u80fd\u90e8\u4ef6\u53ef\u4ee5\u4f7f\u8fd0\u8425\u5546\u80fd\u591f\u63d0\u4f9b\u4ece256kbit\/s\u52301Gbit\/s\u4e0d\u540c\u5e26\u5bbd\u9700\u6c42\u7684\u4ee5\u592a\u7f51\u4e1a\u52a1\u670d\u52a1\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u5229\u7528802.1w\u6216\u5feb\u901f\u751f\u6210\u6811\u534f\u8bae\uff08Rapid Spann- ing Tree Protocol, RSTP\uff09\u53ef\u4ee5\u83b7\u5f97\u9ad8\u7684\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u4fdd\u969c\u7f51\u7edc\u572899.999%\u7684\u65f6\u95f4\u5185\u90fd\u80fd\u6b63\u5e38\u8fd0\u884c\u3002\u4f7f\u7528802.1w\u6807\u51c6\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u903b\u8f91\u865a\u62df\u5c40\u57df\u7f51\uff08Virtual Local Area Network, VLAN\uff09\u6765\u5145\u5206\u4f18\u5316\u7f51\u7edc\u62d3\u6251\uff0c\u518d\u5229\u7528802.1s\u6807\u51c6\uff0c\u53ef\u4ee5\u5c06\u7528\u6237VLAN\u805a\u5408\u6210\u7ec4\uff0c\u5e76\u4e3a\u6b64\u7ec4\u5206\u914d\u4e00\u4e2a\u5355\u72ec\u7684STP\uff0c\u8fd9\u6837\u8fd0\u8425\u5546\u53ef\u4ee5\u5728\u5176\u7f51\u7edc\u4e2d\u589e\u52a0\u7528\u6237VLAN\u7684\u6570\u76ee\u3002
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000? \u4f7f\u7528802.1q\u548c802.1p\u6807\u51c6\u5b9e\u73b0\u5dee\u522b\u670d\u52a1
\n\u3000\u3000
\n\u3000\u3000\u3000\u3000\u572810\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u89c4\u8303\u4e2d\uff0c802.1p\u6807\u51c6\u89c4\u5b9a\u4e86\u670d\u52a1\u7c7b\u522b\uff08Class of Service, CoS\uff09\uff0c\u5229\u7528<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6458 \u8981 10\u5409\u6bd4\u7279\u4ee5\u592a\u7f51\u662f\u6700\u65b0\u7684\u9ad8\u901f\u4ee5\u592a\u7f51\u6280\u672f\uff0c\u4e0d\u4f46\u53ef\u9760\u6027\u9ad8\uff0c\u6210\u672c\u4f4e\uff0c\u800c\u4e14\u53ef\u4ee5\u5c06\u4ee5\u592a\u7f51\u7684\u5e94\u7528\u8303\u56f4\u6269\u5c55\u5230\u5e7f\u57df\u7f51\uff0c …<\/span> Read More →<\/span><\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[268,267,266,269],"class_list":["post-514","post","type-post","status-publish","format-standard","hentry","category-technology","tag-mii","tag-xaui","tag-xgmii","tag-269"],"_links":{"self":[{"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/posts\/514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/comments?post=514"}],"version-history":[{"count":2,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/posts\/514\/revisions"}],"predecessor-version":[{"id":516,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/posts\/514\/revisions\/516"}],"wp:attachment":[{"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/media?parent=514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/categories?post=514"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.liangbo.org\/index.php\/wp-json\/wp\/v2\/tags?post=514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}