320011,5ITe-,,ITe-X1994IT(),,90,ITIT,,2000,20011e-IT20007,1994IT,,IT11IT,IT200011,IT,(IT),IT,ITITIT,,IT,ITITIT,,IT,2520039X©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.IT,20011,IT5ITe-,:(1)IT,53000;(2)IT,;(3);(4);(5)20013,e-e-6,e-e-200220019,10,,,ITIT,e-e-2002,20023,IT,2007IT3:(1),IT;(2)IT,IT;(3)IT,20026,IT20013e-,300e--20022003,IT20011e-,20037Êe--2003,IT,7200520033,,,Linux,Tron,,20034,(NHK)16,1220036,12,2006,,2010,35200392003422200373:,2002,220:e-Japan,2001329©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.IT?IT,;e-,,IT,IT,,1868,,,,,2090,,,,199920,22,,1999,;,,2001385,,IT,,,IT,:,1,,IT,,1996ADSL,,(NTT),,,NTT,NTT,NTT,IT,,,,,,,209021,,,,4520039:,20011(ITU),2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,2002,,,,IT2002635001400,200272500,,,2002660,8.5,,,,,,,,,,1,5%ITIT:IT,ITIT,IT5,,;,IPV4IPV6;,,IT,2003,20011e-,IT,IT,,;,201010ö;,2010;,20052010,;,,,,,,,IT;,,,,ITIT,ITIT,,5520039[]2003115©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.IT,,,IT,IT,IT:,;,;,;;IT;,,;;,;,;;,ITIT:,,IT,,,,,:,,;,,,;,IT;IT,IT;IT;IT;,,,6520039:e-Japan,2001329©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,IT,,,,,,,IT,,IT,IT,IT,IT,,5IT,,20102005,2005,:IT,,IT,,,,IT,,ITIT,,2001IT,ADSL,,,,,,IT,IT,,,,2001,13000,,,,,,,,,IT,2001:1000IT;55050IT;140,IT;7000IT2003:BtoB()70(199810)BtoC()3(199850)20057520039©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:30001000;3IT;2010:10,,ITe-,,,IT,(benchmark)2001:NTT;,;,;IP;,;;;;;20022003IT;2004;2005IPv6;;;;(2010),2005IT,2010,,,IT,,IT,,20019e-e-2002;20026e-;2003e-e-e-8520039:e-Japan,2001329©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.