Iyini i-LAN?
I-LAN isho Inethiwekhi Yendawo Yasendaweni.
I-LAN imele isizinda sokusakaza, okusho ukuthi wonke amalungu e-LAN azothola amaphakethe okusakaza athunyelwa yinoma yiliphi ilungu.Amalungu e-LAN angakhuluma wodwa futhi angamisa izindlela zawo zokuthi amakhompyutha avela kubasebenzisi abahlukene akhulume ngaphandle kokungena ku-inthanethi.
1) Isakhiwo se-LAN esiyisisekelo
Njengoba kukhonjisiwe esithombeni esingenhla, iyisakhiwo se-LAN esiyisisekelo.Uma kukhona amadivaysi ahlukene, udinga ukuthola ikheli le-MCA lomunye.
Isibonelo esinemininingwane: U-A uthumela ulwazi ku-C, kodwa u-A akalazi ikheli le-MAC lika-C. Njengamanje, ngephrothokholi ye-ARP (I-Address Resolution Protocol;) Ukuze uthole ikheli le-MAC lika-C, i-A kuqala isakaza isicelo se-ARP esiqukethe qondisa ikheli le-IP kuwo wonke amadivayisi axhunywe kuhabhu.Ngemva kokuthola ukusakaza, u-C ubuyisela ikheli le-MAC ku-A, futhi amanye amadivayisi alahle ulwazi.Kuze kube manje, izimo zokulungiselela ukuxhumana phakathi kwamadivaysi sezisunguliwe.Inqubo engenhla ingenziwa ibe lula ngale ndlela elandelayo: A — ARP protocol: ixazulula ikheli le-MAC le-IP eqondiwe — C izobuyisela ikheli le-MAC ku-
Amadivayisi axhunywe kuhabhu akusizinda sokungqubuzana esifanayo nesizinda sokusakaza.Ngoba kukhona iswishi eyodwa kuphela, isizinda sokungqubuzana yisizinda sokusakaza.Ukuqonda okulula kwalesi sakhiwo ukuthi idivayisi eyodwa kuphela engathumela isignali ngesikhathi futhi amanye amadivaysi angathola isignali.
2) Ihabhu iyithuluzi lesendlalelo esibonakalayo, okungukuthi, isendlalelo sokuqala se-OSI.Isetshenziselwa kakhulu ukwamukela, ukubuyisela, ukukhulisa, nokuthumela amasignali.Lapho i-pair esontekile kanye ne-optical fiber isetshenziselwa ukudlulisa amasignali, ngokukhula kwebanga, amasignali azoba buthakathaka futhi abangele ukuhlanekezela.Ukuhlanekezelwa kwesignali kuzobangela ukuthi idatha yokudlulisela ingabonakali, futhi ekugcineni kubangele ukuphazamiseka kwesignali.Ngosizo lwehabhu, isignali ingahambela kude;Ngesikhathi esifanayo, ihabhu inokuxhumana okuningi, okunganweba inani lamatheminali kanye nosayizi we-LAN.
Inkinga: Wonke amadivayisi akuhabhu efanayo abelana ngomkhawulokudonsa.Uma inombolo yamadivayisi inkulu kakhulu, izodala ukuminyana kwesixhumanisi futhi, ezimeni ezibucayi, isiphepho sokusakaza.
Inqubekela-phambili: Isizinda esikhulu sokungqubuzana singahlukaniswa sibe izizinda eziningi ezingqubuzanayo ezincane ngokusebenzisa ukushintshwa, okunganciphisa ububanzi besizinda sokungqubuzana futhi kunciphise ukuminyana kwedatha.
Okungenhla incazelo yolwazi lwe-ONU LAN elethwa kuwe yi-Shenzhen HDV Phoelectron Technology Co., Ltd. I-Shenzhen Haidiwei Optoelectronics Technology Co., Ltd.imishini yokuxhumana.