RSS vs Atom | RSS 2.0 vs Atom 1.0
Web pub yog siv los tshaj tawm (hauv hom qauv) cov ntaub ntawv hais txog kev hloov tshiab tsis tu ncua xws li kev nkag tshiab hauv blogs, kev tshaj xov xwm thiab xov xwm ntau rau nws cov neeg nyeem tau sau npe. Web pub yog qhov tseem ceeb heev rau cov tshaj tawm vim tias lawv tuaj yeem ua kom cov txheej txheem sib koom ua ke. Web pub yog qhov tseem ceeb rau cov neeg nyeem vim lawv tsis tas yuav taug qab cov hloov tshiab manually. Web pub kuj tuaj yeem sib sau ntau cov khoom noj rau ib qho chaw. Web pub tuaj yeem pom los ntawm cov neeg nyeem pub (xws li Google Reader). RSS (Really Simple Syndication) thiab Atom yog ob qhov nrov tshaj plaws web pub hom siv niaj hnub no.
RSS yog dab tsi?
RSS 2.0 yog qhov tseeb RSS version, uas yog tus ua tiav rau nws thawj version RSS 1.0. RSS 2.0 tau tso tawm thaum lub Cuaj Hlis 2002. Pub, web pub thiab channel yog lwm cov ntsiab lus uas siv los hu rau RSS daim ntawv. Ib daim ntawv RSS yog tsim los ntawm cov ntsiab lus tag nrho lossis lub caij ntuj sov nrog rau cov metadata (hnub tim, tus sau, thiab lwm yam). Vim tias tus qauv XML yog siv rau kev tshaj tawm, nws tso cai rau pom los ntawm ntau daim ntawv thov (txawm tias tom qab luam tawm ib zaug xwb). RSS suav nrog kev txhawb nqa rau XML namespaces. Tab sis kev txhawb nqa lub npe tsuas yog siv tau rau lwm cov ntsiab lus muaj nyob hauv RSS 2.0 pub (tsis suav nrog RSS 2.0 ntsiab lus). Qhov no tau ua kom txhob txwm ua kom rov qab sib raug zoo nrog RSS 1.. RSS 2.0 yog thawj lub vev xaib pub los qhia txog kev tso cai rau nqa cov ntaub ntawv audio, uas ua rau txoj hauv kev rau qhov nrov tshaj plaws ntawm podcasts. RSS 2.0 qhia txog kev txhawb nqa rau cov ntaub thaiv npog. Vim li no, nws yog qhov nrov tshaj plaws pub hom rau podcasting. Qhov no yog pov thawj los ntawm qhov tseeb tias iTunes siv RSS 2.0 ntawm lawv lub vev xaib. Txoj cai ntawm RSS 2.0 tau raug xa mus rau Harvard, thaum Lub Xya Hli 2003. Nyob ib puag ncig lub sijhawm, pawg thawj coj RSS Advisory Board (ib pab pawg uas ua tus tswj hwm rau kev saib xyuas RSS specification) tau tsim.
Atom yog dab tsi?
Atom yog hom kev pub noj hauv lub vev xaib tsis ntev los no, tau tshaj tawm thaum Lub Rau Hli 2003, uas tau tsim tawm tiag tiag kom kov yeej qee qhov kev txwv (tsis muaj qhov ntxiv tam sim no thiab nruj ntawm kev rov qab sib raug zoo) tam sim no hauv RSS 2.0. Atom 1.0 yog qhov tseeb version thiab nws haum rau ntau hom ntsiab lus nrog rau cov ntawv nyeem, khiav tawm HTML, tsim tau zoo XHTML thiab XML. Atom muaj cais thiab cim npe. Atom tso cai rau kev nkag mus txuas rau cov khoom noj lossis cov khoom nkag ib leeg. Atom tuaj yeem siv XML Encryption thiab XML Digital Signature los encrypt.
Qhov txawv ntawm RSS thiab Atom yog dab tsi?
RSS tsuas yog txhawb cov ntawv nyeem thiab khiav tawm HTML, tab sis Atom txhawb ntau hom ntsiab lus (xws li ob qho no). Tsis zoo li RSS, Atom muab ob lub cim cais raws li thiab. RSS hloov pauv tsawg dua Atom, vim RSS tsuas paub cov ntaub ntawv. Thaum nws los txog rau kev nthuav dav, txawm hais tias Atom tso cai txuas ntxiv rau nws lub npe chaw, RSS namespaces tau kho. Ntxiv rau cov txheej txheem web encryption siv nrog RSS, XML Encryption thiab XML Digital Signature tuaj yeem siv nrog Atom.
