Isingeniso kuma-LAN, ama-WANs kanye nezinye izinhlobo zengxenyana yendawo

Uyini umehluko?

Enye indlela yokuhlukanisa izinhlobo ezahlukene zemiklamo yenethiwekhi yekhompuyutha yilezi zindawo zabo noma izilinganiso zabo. Ngenxa yezizathu zomlando, imboni yokuxhumanisa ibhekisela kuyo yonke inhlobo yokwakha njengokunye uhlobo lwenethiwekhi yendawo . Izinhlobo ezijwayelekile zamanethiwekhi wendawo ziyi:

I-LAN ne-WAN yizigaba ezimbili eziyinhloko futhi eziyaziwa kakhulu zamanethiwekhi wendawo, kuyilapho ezinye zivele ngokuthuthuka kwezobuchwepheshe

Qaphela ukuthi izinhlobo zenethiwekhi ziyahlukahluka ezinhlobonhlobo ze- inethiwekhi (njengebhasi, indandatho nenkanyezi). (Bheka futhi - Isingeniso kumatheksthi enethiwekhi .)

I-LAN: Inethiwekhi Yendawo Yendawo

I- LAN ixhuma amadivaysi enethiwekhi ngaphezu kancanyana. Isakhiwo sehhovisi esinomsebenzi, isikole, noma ikhaya ngokuvamile liqukethe i-LAN eyodwa, nakuba ngezinye izikhathi isakhiwo esisodwa sizoqukatha ama-LAN amancane (mhlawumbe eyodwa egumbini ngalinye), futhi ngezinye izikhathi i-LAN izokhipha iqembu lezikhungo eziseduze. Kuxhumano lwe-TCP / IP, i-LAN ivame kodwa ayisebenzisi ngaso sonke isikhathi njenge- subnet eyodwa ye-IP.

Ngaphezu kokusebenza esikhaleni esilinganiselwe, ama-LAN ajwayelekile, alawulwa futhi alawulwa ngumuntu oyedwa noma inhlangano. Baye bavame ukusebenzisa ubuchwepheshe bokuxhumana, ikakhulukazi i- Ethernet ne- Token Ring .

I-WAN: I-Network Wide Area

Njengoba leli gama lisho, i- WAN ibeka ibanga elikhulu ngokomzimba. I-intanethi yi-WAN enkulu kunazo zonke, ivula umhlaba.

I-WAN iyisiqoqo se-LAN esasakazeke endaweni. Idivayisi yenethiwekhi ebizwa ngokuthi router ixhuma ama-LAN ku-WAN. Kwi-inthanethi ye-IP, i-router igcina kokubili ikheli le-LAN nekheli le-WAN.

I-WAN ihlukile ku-LAN ngezindlela ezimbalwa ezibalulekile. Ama-WAN amaningi (njenge-intanethi) ayinayo inhlangano eyodwa kodwa kunalokho ekhona ngaphansi kokubambisana noma ukusabalalisa ubunikazi kanye nokuphathwa. Ama-WAN ajwayele ukusebenzisa ubuchwepheshe obufana ne- ATM , i- Frame Relay ne- X.25 ukuze kuhlanganiswe ngaphezu kwamade amade.

I-LAN, i-WAN ne-Home Networking

Izakhamuzi zivame ukusebenzisa i-LAN eyodwa bese uxhuma kwi-WAN ye- Inthanethi nge- Provider Service Service (ISP) usebenzisa i- modem ebanzi . I-ISP inikeza ikheli le-WAN IP kumodemu, nawo wonke amakhompyutha asebenzisa inethiwekhi yasendlini ye-LAN (okuthiwa ngasese ) amakheli e-IP. Wonke amakhompiyutha e-LAN ekhaya angakwazi ukuxhumana ngqo komunye nomunye kodwa kufanele ahambe ngesango lenethiwekhi eliphakathi, ngokujwayelekile router ebanzi , ukufinyelela i-ISP.

Olunye uhlobo lwezinethiwekhi zendawo

Ngenkathi i-LAN ne-WAN yizinhlobo zenethiwekhi ezidumile kakhulu ezikhulunywe ngazo, ungase futhi ubone okubhekiselwe kwabanye: