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S. Buraga-Introducere in retele de calculatoare.pdf

S. Buraga-Introducere in retele de calculatoare.pdf

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Dezavantaje:<br />

♦ Costuri ridicate la “că<strong>de</strong>rea” nodului central<br />

SCOPUL REŢELELOR<br />

♦ Partajarea resurselor: soft, fişiere, spaţiu pe disc, imprimante<br />

♦ Fiabilitate mai mare a reţelelor<br />

- Toleranta la <strong>de</strong>fecte<br />

- Sistemul bancar, reactoare, etc.<br />

♦ Economia <strong>de</strong> bani<br />

I<strong>de</strong>ea e <strong>de</strong> a mări puterea <strong>de</strong> calcul fără a renunţa la <strong>calculatoare</strong>le vechi: ma<strong>in</strong>frame (Felix C256,<br />

Felix 512, Felix1024) sau m<strong>in</strong>i<strong>calculatoare</strong> (In<strong>de</strong>pen<strong>de</strong>nt I-100, I-102, I-108, Coral, PDP 11)<br />

♦ Reţeaua ca mediu <strong>de</strong> comunicare<br />

- accesul la <strong>in</strong>formaţie <strong>de</strong> la distanţă,<br />

- comunicaţiile <strong>in</strong>terpersonale,<br />

- divertismentul <strong>in</strong>teractiv.

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