On 6/5/05, Nguyen Thanh Bien <[EMAIL PROTECTED]> wrote: > Em va^~n chu+a tha^'y ca^u tra? lo+`i !! ca'i ddo' kho^ng bie^'t co' ne^n > du+o+.c go.i la` switch kho^ng ?? nhu+~ng ti'nh na(ng cu?a switch hoa.t > ddo^.ng o+? layer 2 (OSI Model) chu+a tha^'y dda^u !!! hay ca'i na`y go.i > la` hub ?? > em co' sai gi` hay ddo.c ma` kho^ng hie^?u kho^ng nhi? ?? > > PS: Em va^~n ddang ba?o thu? vo+'i y' kie^'n cu?a mi`nh: la`m sao ma` kho^ng > chuye^?n ve^` ddie^.n ma` va^~n cha.y ddu+o+.c nhu+ switch nhi?, vlan the^' > na`o, trunking the^' na`o, chu+a ke^? inter-vlan routing the^' na`o > nu+~a\....
Ca'ch dda(.t va^'n dde^` cu?a ba'c ra^'t thie^'u tu+. nhie^n. Ngu+o+`i bi`nh thu+o+`ng, tu+. nhie^n se~ ho?i: ta.i sao pha?i chuye^?n ve^` ddie^.n dde^? routing, switching trong khi L1 thi` du`ng optic? Routing luo^n theo kie^?u optic co' pha?i nhanh ho+n kho^ng? Co' ha(?n mo^.t nga`nh Optical Networking chuye^n suy nghi~ nhu+~ng gia?i pha'p cho va^'n dde^` na`y. Dda.i kha'i la` truye^`n du+~ lie^.u tre^n ca'c ke^nh pha^n bie^.t ba(`ng bu+o+'c so'ng a'nh sa'ng, routing cu~ng du+.a va`o bu+o+'c so'ng. Ca'c ba'c na`y hie^.n co`n bi' nhie^`u va^'n dde^` ve^` ca'ch thu+'c do^`n du+~ lie^.u le^n ca'c bu+o+'c so'ng, ve^` to^'c ddo^. switching, ve^` bo^. nho+' (buffer) cho a'nh sa'ng, ve^` lu+.a cho.n bu+o+'c so'ng khi qua ca'c nu't trung gian, va` nhie^`u va^'n dde^` kha'c. Nhi`n chung thi` tu+o+ng lai cu?a ki~ thua^.t na`y kha' tu+o+i sa'ng. Nhu+ng ma` /me kho^ng ra`nh nhu+~ng mo'n na`y, chuye^.n cu~ng kho^ng lie^n quan gi` vo+'i Linux. Ba'c muo^'n ti`m hie^?u the^m cho mo+? mang thi` search: lamda switching, GMPLS, hoa(.c va`o ca'c die^~n dda`n network. -- James Nguyen, Phedora ------------------------------------------------------- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 _______________________________________________ VietLUG-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vietlug-users
