Kuyini i-HTTP-protocol?

I Isidlulisilwazi Transfer Protocol (noma i-HTTP) oluyisisekelo idatha for World Wide Web. yezifiso ezinjalo umbhalo olwakhiwe esebenzisa kuchumana lokubumbene (hyperlink) phakathi ISIZINDA equkethe idatha ethile. Ngakho, le ndlela yokukhuluma ukushintshana noma ngokudlulisela uxhumano.

I-HTTP-protocol isebenza njengoba umsebenzi isicelo-impendulo amaklayenti-server Computing imodeli. Ngokwesibonelo, isiphequluli sewebhu njengoba iklayenti, kanye iseva esingethe isayithi. Iklayenti ithumela HTTP umyalezo kisiphakeli, ukunikeza izinsiza ezithile (isib, i-HTML-amafayela, kanye nezinye izinto), bese ibuyisela ngomlayezo wokuphendula. Impendulo liqukethe ulwazi mayelana nesicelo, futhi ingase iqukathe okuqukethwe okuceliwe emzimbeni womyalezo.

Isiphequluli uyisibonelo eyisisekelo ye-ejenti yomsebenzisi (amaklayenti). Ezinye izinhlobo ejenti umsebenzisi zihlanganisa software esetshenziselwa nangenkomba by search abahlinzeki, kwizinhlelo zokusebenza zeselula nezinye izinto ezisebenzisa noma okuqukethwe kokubuka iwebhu.

HTTP-protocol kuhloswe ngalo ukuba kunikwe Lesisemkhatsini inethiwekhi izakhi ukuthuthukisa noma okunika amandla ukuxhumana phakathi amaklayenti kanye amaseva. Amasayithi esiphithiphithini ngokuvamile walulama bona bazuze enqolobaneni amaseva web ukubonisa okuqukethwe egameni izinsiza aphakeme, ekunciphiseni thwebula isikhathi. Inqolobane Web iziphequluli ngesikhathi esifanayo ivumela umsebenzisi ukunciphisa kwenethiwekhi. Weseva esebenzisa olandelwayo we-HTTP-esekelwe inethiwekhi yendawo anganikeza ukuxhumana namakhasimende, amakheli hhayi jikelele routable, by zikusakaza imilayezo evela amaseva zangaphandle.

HTTP session kuyinqubo ezilandelanayo izicelo kanye nezimpendulo. Iklayenti omula isicelo ngokusungula TCP-uxhumano port ethize on the server, futhi waba owokugcina ilalele kule port futhi ulinde umlayezo isicelo. Phezu kokuthola iseva ithumela nebha umyalezo wokuphendula. NgoLwesine kutholakale isidumbu sendoda umyalezo, njengoba umthetho, kuyinto umthombo oceliwe, nakuba kuboniswe futhi umyalezo wephutha noma olunye ulwazi.

Uma sicabanga ngenjongo umthetho olandelwayo we-HTTP, kufanele kuphawulwe ukuthi ichaza izindlela abonisa isenzo ukuba kwenziwe kumtfombolusito siyachazwa. Ifomu ulwazi isibonisi (idatha zangaphambili ezikhona noma ngamandla elakhiwe) kuncike ukuqaliswa iseva. Ngokuvamile, umthombo elihambisana nefayela noma iskripthi, esisogwini aphethe.

Ezinye izindlela osebenzisa Isidlulisilwazi kuwebhu HTTP, enzelwe kuphela imininingwane ukubuyiswa, futhi ngenxa yalokho akubona kufanele iguqule isimo iseva. Ngamanye amazwi, abanayo kungazithinta kakhulu, ngaphandle imiphumela kuqhathaniswa okungenangozi - ukulondoloza isikhashana noma okwandisa isivakashi izibalo.

Ngakolunye uhlangothi, i-HTTP-protocol ingasetshenziswa futhi izindlela ezinjalo zenzelwe nezenzo ezingase zilimaze sinomthelela noma kuseva noma kwezinye izinsiza yangaphandle - ukuqinisa kwemali noma ukwenza e-mail yokudlulisela. Ngezikhathi ezithile, izindlela ezinjalo eziyingozi ezisetshenziswa yilo amarobhothi kuwebhu noma amanye amasayithi kanye ungenza izicelo, kungakhathaliseki ukuthi imisebenzi esemqoka.