I-VNC (I-Virtual Network Computing) ubuchwepheshe bekwabelana ngedeskithophu ekude , ifomu lokufinyelela okude kumanethiwekhi ekhompyutha . I-VNC yenza ukuboniswa kwedeskithophu ebonakalayo komunye ikhompuyutha ukuthi ibhekwe futhi ilawulwe kude nokuxhumeka kwenethiwekhi.
Ubuchwepheshe beDeskithophu obude njengoVNC buwusizo kumanethiwekhi ekhompyutha , ukuvumela othile ukuba afinyelele ama-desktops awo kwenye ingxenye yendlu noma ngenkathi ehamba. Kuyasiza futhi kubaphathi benethiwekhi ezindaweni zebhizinisi, njengeminyango ye- Information Technology (IT) edinga ukuxazulula kude kude nezinhlelo zabasebenzi.
Izicelo ze-VNC
I-VNC yadalwa njengephrojekthi yokucwaninga evulekile ekupheleni kwawo-1990. Izixazululo ezimbalwa ezikude zedeskithophu ezikude ezisekelwe ku-VNC zakhiwe kamuva. Ithimba lezokuqala le-VNC likhiqize iphakhethi okuthiwa i- RealVNC . Ezinye izidakamizwa ezidumile zihlanganisa i- UltraVNC ne- TightVNC . I-VNC isekela zonke izinhlelo zokusebenza zanamuhla ezifaka i-Windows, MacOS, ne-Linux. Ukuze uthole okwengeziwe, bheka Ukulanda kwe-Free VNC Free Software Downloads .
Indlela iVNC isebenza ngayo
I-VNC isebenza kumodeli weklayenti / iseva futhi isebenzisa inqubo ekhethiwe yenethiwekhi ebizwa ngokuthi i-Remote Frame Buffer (RFB). Amakhasimende e-VNC (ngezinye izikhathi abizwa ngokuthi ababukeli) abelana ngokufaka umsebenzisi (ukuchofoza izinkinobho, kanye nokunyakaza kwegundane nokuchofoza noma ukuthinta imishini) nge-server. Amaseva we-VNC athatha okuqukethwe kwendawo yokubonisa i- framebuffer bese uwabuyisela eklayenti, futhi unakekele ukuhumusha okufakwayo kwamaklayenti akude ekufakeni kwendawo.
Ukuxhumeka ngaphezu kwe-RFB kuvame ukuhamba ku- port ye-TCP 5900 kuseva.
Ezinye izindlela eziya ku-VNC
Izicelo ze-VNC, Nokho, ngokuvamile zibhekwa njengezihamba kancane futhi zinikeza izici ezimbalwa nezinketho zokuphepha kunezinye izindlela ezintsha.
I-Microsoft ihlanganise ukusebenza kwedeskithophu ekude ohlelweni lwayo lokusebenza ngokuqala nge-Windows XP. Ideskithophu Ekude Iwindows (WRD) yenza i-PC yamukele izicelo zokuxhumeka kude kusuka kumaklayenti ahambisanayo. Ngaphandle kokwesekwa kwamakhasimende okwakhiwe kwamanye amadivaysi e-Windows, amadivayisi we-Apple iOS kanye ne-Android tablet kanye nama-smartphone angasebenza futhi njengezaklayenti ze-Windows Remote Desktop (kodwa hhayi amaseva) ngezinhlelo zokusebenza ezitholakalayo.
Ngokungafani ne-VNC esebenzisa i-RFB protocol, i-WRD isebenzisa i-Remote Desktop Protocol (RDP). I-RDP ayisebenzisi ngokuqondile nama-framebuffers afana ne-RFB. Esikhundleni salokho, i-RDP idiliza isikrini sedeskithophu ibe yizigcawu zemilayezo yokudala abahleli befrimu futhi idlulisela kuphela lezo ziqondiso kuwo wonke uxhumano olukude. Umehluko emiphakathini yenza imiphumela yezinhlelo ze-WRD usebenzisa umkhawulokudonsa ongaphansi kwenethiwekhi futhi ulalele ngokwengeziwe ukusebenzisana komsebenzisi kunezikhathi ze-VNC. Kodwa-ke, kusho futhi ukuthi amaklayenti e-WRD akakwazi ukubona ukubonakala kwangempela kwedivayisi eyikude kodwa esikhundleni salokho kumele asebenze neseshini yabo ehlukile yomsebenzisi.
I-Google ithuthukise ideskithophu ekude eyi-Chrome futhi i-protocol yayo ye-Chromoting yokusekela amadivayisi we-Chrome OS afana ne-Windows Remote Desktop. I-Apple inikeze i-protocol ye-RFB ngokuphepha okungezeziwe nokusebenza ukuze kutholakale isisombululo sayo se-Apple Remote Desktop (ARD) samadivayisi we-MacOS. Uhlelo lokusebenza olufanayo lwenza amadivaysi e-iOS asebenze njengamaklayenti akude. Ezinye izinhlelo zokusebenza ezide ezikude zekhompuyutha ezivelele zakhiwe ngabathengisi be-software abazimele.