OSI model

A taro na masana a 1978, OSI ya ci gaba da misali. Dauke da OSI model ne ba mutum cibiyar sadarwa misali. Wannan shafin yanar shaci tare da wani yawan matakan, a cikin abin da duk ɓullo da daidaita tsarin. Wannan model ma'anar da iri cibiyar sadarwa gudanar, wanda aka miƙa ta daban-daban nagartacce. Bakwai-Layer OSI cibiyar sadarwa model ne, ka ce, "Standard Standard". Matsayin da wannan model aka tattauna a kasa.

1. jiki

A cibiyar sadarwa Layer na OSI model ne m mataki. Shi ne ke da alhakin jiki Properties na cibiyar sadarwa, wato, na USB type, na USB tsawon, irin haɗin suna cewa an yi amfani da shi don sadarwa da na'urorin, da dai sauransu Daga cikin abubuwan, wannan Layer ne ke da alhakin lantarki sigogi na sakonni cewa tsarin yana amfani da aika data tsakanin nodes a cikin cibiyar sadarwa. Talakawa yi sigina da ake amfani da nuna wani binary tsarin: 0, 1.

2. Data Link Layer

A mataki a da bayanai ragowa aka sanya wa sa dabi'u, da ake kira data mahada Layer na OSI model. wannan matakin na matsayin kamata hada da bayanai a kan size of kowane daga cikin aika data fakitoci, da wajen magance su, ana amfani da canja wurin da kunshin da ake so manufa, da kuma yadda za a troubleshoot aika data lokaci guda daga mahara nodes. Yana kuma kare tsarin daga kurakurai.

3. A cibiyar sadarwa model OSI: Network Layer

Domin tabbatar da cewa Haša networks tare da fakiti bayar da kwatance bayanai yayi dace da cibiyar sadarwa Layer tsakanin tsarin. A lokacin da ka yi aiki tare da shi ba ka bukatar ka yi tunani game da bambance-bambance a matsayin a lokacin gamuwa da tsarin a data mahada da kuma ta jiki matakan.

4. The cibiyar sadarwa model OSI: Transport Layer

Yana damar haɗin gwiwar na biyu kwakwalwa a kan hanyar sadarwa. Its ayyuka sun hada da ganawa kowane mutum kwamfuta adireshin da kuma gudanar da sadarwa tsakanin nodes.

5. The cibiyar sadarwa model OSI: zaman Layer

Wannan matakin da ake amfani domin ya sami damar kafa wata sadarwar zaman tsakanin daban-daban nodes. Shi ne da alhakin aiki tare na ayyuka da ke gudana a kan daban-daban kwakwalwa. Don yin wannan, shi halitta iko da maki cewa ba da damar da shiri na kuskure da ba ka aika duk data a karo na biyu, kuma maimaita bayanai canja daga ikon ma'ana, wanda ya taso tun da kuskure aka gano.

6. The cibiyar sadarwa model OSI: gabatar Layer

Wannan Layer ne ke da alhakin tana mayar da bayanai daukar kwayar cutar a cikin cibiyar sadarwa daga wannan format zuwa wani irin. Wannan matakin na da ikon encrypt data a sufuri, kazalika da decrypting a cikin shirye-shiryen da ake so kumburi.

7. Application Layer

OSI model Yana yana matakin qarshe - da aikace-aikace Layer, wanda ya samar da sadarwar aikace-aikace tare da cibiyar sadarwa tsarin. A sauki kalmomi, shi ne ke da alhakin samun damar zuwa cibiyar sadarwa shirye-shirye. A kan tushen da aikace-aikace Layer aka yi aiki da shirye-shirye da cewa samar da damar yin amfani da yanar-gizo (bincike), da damar ga musayar bayanai (FTP-abokan ciniki da kuma sabobin) musanya lantarki saƙonni (e-mail abokan ciniki) , da sauransu.