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Quy~ cho Internet VN (Re: La^.p Ma.ng Internet ta.i ca'c tru+o+`ng..)
From: "Phuong Vo Van" <phuongvv@hotmail.com>
>Hello Ba'c Ngo Ha.,DX, Utsay, DV cu\ng ca'c ba'c,
>
>Ca'i nhie^.t ti\nh cu?a ca'c ba'c la\ nguye^n nha^n cho ca'i y' kie^'n sau
>dda^y:
>
>"ba?o tro*. mo^.t pha^`n thie^'t la^.p ma.ng Internet cho tru*o*`ng ho.c"
>
>Theo to^i hie^?u "xa~" thi\ go^\m co' nhie^\u phu+o+\ng
>Xa~ thi\ co' 1 cho dde^'n nhie^\ tru+o+\ng trung hoc.
>Mo^~i phu+o+\ng thi\ co' the^? co' tru+o+\ng tie^?u ho.c rie^ng.
>
>La\m 1 ba\i ti'nh ddo+n gia?n :
>
>So^' lu+o+.ng PC + gia' tie^\n
>cho mo^~ ddie^?m ddu+o+.c ba~o tro+.: ~= ((5PC+3PC)/2)*1000 $US
>Component:
>NIC(Network interface card) ~= 50$US (3com etc..)*4
>Route ~= 2000$US( Cisco .etc..)
>Switch ~= 1000$US ( 3com .etc..)
>64 Kb Modem( minimum) ~= 1000$US (Hitachi .etc..)
>Hub (10-16 port) ~= 350$US(Centrecom. etc..)
>Ethernet Cables ~= 3-5 m + Cross field(collecting points) ~= 450$US
>Client/server software ????
>Intranet software ????
>
>Vi' du.:
>VN co' 300 xa~ ; mo^~ i xa~ ti'nh trung bi\nh co':
> 5 tru+o+\ng trung ho.c ,
> 1 thu+ vie^.n
> 10 phu+o+\ng :
> 15 tru+o+\ng tie^?u ho.c
>Gi'a tha\nh cho 1 Xa~ = 21*(4*1000) = 84000 $US
>Gia' tha\nh cho Extra Component ~= 21*5000= 105000$US
>Gia' tha\nh cho 300 Xa~: 300 *(21*4*1000) = 25200000$US = 25 trie^.u 200
>nga\n $US
>Gia' tha\nh cho Extra Essential Components ~= 300*21*(NIC + Route + Swich +
>Modem + Hub+ ..etc ~= 30 trie^.u $US
>
>Switch /Hub tu\y thuo^.c va\o network environment/configuration cu?a mo^~ i
>no+i . Vi' du.
>ne^'u ta la^'y 1 tru+o+\ng ho.c vo+'i 4 PC nhu+ LAN-network thi\ ta ca^\n 1
>hub + 4PC+ NIC
>Muo^'n ga('n qua ma.ng Internet thi\ pha?i ca^\n 1 modem dde^? connect to
>the IPS(Internet Provider Service) hay ta cu~ ng co' the^? interconnect
>vo+'i nhau tu+\ tru+o+\ng ho.c na\y sang tru+o+\ng kha'c ba(ng qua
>WAN-network va\ o+? dda^y thi\ ta pha?i du\ng route/swich etc...
>Ta^'t ca? ~ components va\ su+. ke^'t ho+.p ga('n lie^\n vo+'i nhau dde^?
>ta.o ra 1 pha^\n cu?a ma.ng cu~ng nhu+ ta du\ng intranet dde^? la\m gi\ ?
>~
>loa.i client/Server software gi\ se~ ddu+o+.c su+? du.ng, hay chi? email
>.v.v vi' du. ta co' the^? du\ng 1 trong 4 PC dde^? la\m Server va\ 3 PC
>kha'c nhu+ "terminal" dde^? thi'ch ho+.p vo+'i mo^i tru+o+\ng Local
>intranet ti\ ta cu~ng co' the^? du\ng 2200$ cho Server va\ 1800$ cho 3*PC
>etc....
>
>"ba?o tro*. mo^.t pha^`n thie^'t la^.p ma.ng Internet cho tru*o*`ng ho.c "
>
>Theo to^i thi\ ho+i kho' hie^?u ," mo^.t pha^\n" la \ bao nhie^u/lo+'n so
>vo+'i cho ca'i gia' tha\nh tre^n ? vo+'i ca'i kha? na(ng thu+.c te^' cu?a
>la\ng VNSA thi\ "mo^.t pha^\n" ddo'ng go'p cha('c cha('n cha(?ng a(n thua
>gi\, ho+n the^' nu+?a ba'c Ngo^ha. ho?i y' kie^'n VNSA ve^\ ca'i "strategy"
>ma\ ba'c a^'y du+. ddi.nh se~ la\m chu+' co' ho?i han gi\ ve^\ kinh te^'
>hay
>tham gia ba?o tro+. cho tru+o+\ng ho.c na\o dda^u ?
>
>Ba'c U'txay dda~ cho y' kie^'n cu?a ba'c va\ ba'c DV muo^'n u?ng ho^. va\
>ba'c DX muo^'n xu'c tie^'n co^ng vie^.c .Theo to^i thi\ ta ne^n ba\n la.i
>1
>ty' cho no' co' ve~ thu+.c tie^~ n ho+n
>
>Vi' du. Dde^? cho no' thu+.c tie^~n ho+n VNSA co' the^? thu he.p ddi.a
>ba\n
>hoa.t ddo^.ng cu?a mi\nh thay vi\ tru+o+\ng ho.c thi\ ta ne^n ta^.p trung
>va\ o ~ "tuye^?n cho.n" thu+ vie^.n ma\ o+? ddo' ta co' the^? ke^'t ho+.p
>vo+'i anh ngo^ha. dde^? ddi xa^u ho+n ve^\ WAN va\ internet/intranet.
>
>Ca'c ba'c nghi~ sao ?
>
>
>PVV
Cha`o anh PVV:
Theo to^i, ta co' su*'c dde^'n dda^u co^' dde^'n dda^'y. Kho^ng ne^n qua'
bi. chi pho^'i bo*?i tu*` xa~ hay tru*o8`ng ho.c, co' the^? no'i chung chung
nhu* "Internet cho VN", se~ bo*'t ba`n ca~i ve^~ danh tu*`. Con so^' ma'y
mo'c thie^'t bi. ti'nh theo kie^?u vie^.n tro*. My~ thi` chi? co' My~ mo*'i
la`m ddu*o*.c! Ta thi` chiu.!
Ma'y computer cu?a to^i ddang du`ng dde^? gu*?i thu* na`y cu~ng kho^ng o*?
ca'i gia' ba'c ti'nh giu'p cho VN dda^u!
Cu. the^? kie^?u VN thi` co' le~ ta cho*` ba'c Ngo^ Ha. tra? lo*`i.
To^i dda~ gu*?i giu'p va`i no*i o*? VN nhu*ng to^i cu~ng chu*a bao gio*` co'
mo^.t nga^n khoa?n tie^`n lo*'n nhu* the^' cho 1 set computer.
Cu. the^? vo*'i ba'c PVV : dde^~ nghi. ba'cba?o tro*. cho va`i set computer
trong chu*o*ng tri`nh ba'c ti'nh tre^n; i.e kho?ang tu*` 2,500-3,000 USD.
Co`n la.i la`m ra sao thi` ta dde^? cho phia' VN ho. ti'nh cho, hie^.u qua?
cao ho*n kie^?u ti'nh vie^.n tro*. My~ cu?a ba'c ra^'t nhie^`u. Kinh
nghie^.m cu?a to^i la` va^.y .
Mong ddo'ng go'p va`i set computer cu?a ba'c cho chu*o*ng tri`nh "ma.ng
internet cho VN" .
Ba'c Ngo^ Ha. o*i! ca'c ba'c ti'nh toa'n va` la^.p phu*o*ng a'n xong chu*a ?
Cho ba` con bie^'t y' kie^'n cu?a anh em be^n VN nhe' .
Co' le~ phu*o*ng a'n cu?a anh U't Say cu~ng la` mo^.t phu*o*ng a'n hay
cha(ng ?
Cheers
DX
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