Ib lub koom haum sib koom ua ke coj txhua yam kev sib txuas lus ua ke: suab, cov ntaub ntawv, thiab kev yees duab mus los ntawm ib qho, sib koom ua ke. Ib qho kev sib koom ua ke txhawb nqa txhua hom kev tsheb nrog pob ntawv raws li kev cai xws li ATM, Frame Relay, lossis IP. … Cov ntaub ntawv tsheb tuaj yeem zam qhov kev ncua qeeb, thaum lub suab xa mus qeeb yog qeeb.
Kev sib koom tes ua haujlwm li cas?
Kev sib koom ua ke hauv kev sib koom ua ke tshwm sim thaum ib tus neeg muab kev pabcuam network xa cov kev pabcuam sib txuas rau lub suab, cov ntaub ntawv, thiab yees duab hauv ib lub network muab, es tsis txhob muab lub network cais rau txhua qhov kev pabcuam no. Qhov no tso cai rau kev lag luam siv ib lub network los ntawm ib tus neeg muab kev pabcuam rau txhua qhov kev sib txuas lus thiab kev pabcuam huab.
plaub yam yuav tsum tau ua ntawm kev sib koom ua ke yog dab tsi?
Raws li kev sib koom tes hloov zuj zus, peb tab tom nrhiav pom tias muaj plaub yam yam ntxwv tseem ceeb uas cov qauv hauv qab yuav tsum tau hais kom ua tau raws li cov neeg siv khoom xav tau:
- Fault Tolerance.
- Scalability.
- Quality of Service (QoS)
- kev ruaj ntseg.
Ib qho piv txwv ntawm kev sib koom ua ke yog dab tsi?
Cov ntaub ntawv thiab lub suab sib txuas lus hauv Is Taws Nem raws tu qauv tuaj yeem thauj mus los ntawm "public" feem ntawm Is Taws Nem siv rau email thiab Web surfing. Cov chaw muag khoom nyob deb li qub thiab cov chaw pabcuam hauv Is Taws Nem xws li AT&T, Sprint Communications, Cable & Wireless thiabWorldCom. …
Puas yog kev sib koom ua ke ntawm audio video thiab cov ntaub ntawv?
Network convergence yog kev sib koom ua ke ntawm xov tooj, video thiab cov ntaub ntawv sib txuas lus hauv ib lub network. Streaming media - video lossis cov ntsiab lus xa mus rau hauv daim ntawv compressed hauv Is Taws Nem thiab ua si tam sim ntawd, tsis yog khaws cia rau hauv lub hard drive. …
