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5. Giati ypodiktyo?

Oi aities pisw apo thn ypo-diktuwsh xronologountai pisw stis prwtes prodiagrafes toy IP - opoy mono ligosta sites etrexan se ari8mous diktuoy klashs A, ta opoia epitrepoyn ekatomuria syndedemenoys hosts.

Prokaleitai profanws megalo kykloforiako kai diaxeiristiko problhma, ean oloi oi IP computers se ena megalo site prepei na einai syndedemenoi sto idio diktyo: prospa8wntas na elegjoyme ena tetoio terastio kthnos 8a htan efialths kai to diktyo (sxedon sigoyra) 8a swriastei katw apo to fortio ths idias toy ths kinhshs (koresmos diktuoy).

Kai etsi mpainoyme sthn ypo-diktuwsh: h dieu8ynsh toy diktuoy IP klashs A, mporei na katatmh8ei, wste na epitrecei ton diamoirasmo ths se merika (an oxi polla) jexwrista diktya. H diaxeirhsh ka8e tetoioy jexwristou diktuoy mporei epishs na metabibastei.

Ayto epitrepei th dhmioyrgia mikrwn, diaxeirisimwn diktuwn - polu pi8anon xrhsimopoiwntas diaforetikes texnologies diktuwshs. 8ymh8hte, den mporeite na anamijete Ethernet, Token Ring, FDDI, ATM klp. sto idio fysiko diktyo - mporoun parol'ayta na diasynde8oun!

¢lloi logoi ypodiktuwshs einai:-


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