Nyob rau hauv computer networks, ib qho download tau txais ib daim ntawv lossis lwm cov ntaub ntawv raug xa mus los ntawm tej thaj chaw deb khoom siv. Tus upload yuav xa ib daim qauv ntawm cov ntaub ntawv mus rau tej thaj chaw deb. Txawm li cas los xij, xa cov ntaub ntawv thiab cov ntaub ntawv nyob rau hauv lub computer network tsis tas tsim ib qho upload lossis ib qho download.
Yog nws ib tug Download lossis cia li hloov?
Txhua hom kev sib txuas lus hauv network yuav pom tias cov ntaub ntawv hloov tsheb ntawm qee yam. Tej yam kev ua haujlwm hauv network uas xam pom tias yog kev hloov yog feem ntau hloov ntawm cov neeg rau zaub mov mus rau ib tus neeg nyob hauv ib qho kev pabcuam-neeg siv khoom. Piv txwv li
- downloading email los ntawm tus xa ntawv tuaj rau lawv cov neeg hauv zos
- downloading ib daim ntawv thov los yog ib tug archive (xws li ib .zip los yog ib tug ntaub ntawv.) los ntawm ib tug neeg rau zaub mov Web site
- siv FTP los luam cov ntaub ntawv los ntawm FTP neeg rau ib qho chaw
Conversely, piv txwv ntawm network uploads muaj xws li
- uploading cov duab thiab cov yeeb yaj duab rau huab system los yog ib qhov Web site zoo li Pinterest
- xa email
- Publishing HTML ntaub ntawv rau cov neeg siv Web site
- siv FTP luam cov ntaub ntawv mus rau ib qho FTP neeg rau zaub mov
Daus tiv tiag Streaming
Qhov tseem ceeb sib txawv ntawm downloads (thiab uploads) thiab lwm yam ntaub ntawv hloov ntaub ntawv ntawm tes hauj lwm yog qhov ceev cia. Tom qab ib qho download (lossis upload), ib daim ntawv tshiab ntawm cov ntaub ntawv tau khaws cia rau ntawm lub tshuab txais. Nrog cov streaming, cov ntaub ntawv (feem ntau lub suab los yog video) tau txais thiab pom nyob rau ntawm lub sijhawm tab sis tsis muab rau yav tom ntej siv.
Nyob rau hauv computer networks, lub sij hawm upstream yog hais txog qhov kev sib tshuam network uas ntws tawm ntawm lub zos cov khoom mus rau cov chaw taws teeb tseg. Cov tsheb nqaj hlau khiav tsheb, hloov qis, khiav mus rau ib tus neeg siv hauv zos. Tsheb khiav ntawm ntau tes hauj lwm ntws nyob rau hauv ob qho tib si ntawm sab nrauv thiab nqes taw qhia ib txhij. Piv txwv, lub Web browser xa HTTP kev thov mus rau Web server, thiab tus neeg teb xov xwm teb nrog cov ntaub ntawv hauv cov nplooj ntawv hauv cov nplooj ntawv Web page.
Feem ntau, thaum cov ntaub ntawv thov muaj npe nyob hauv ib qho kev coj, network cov txheej txheem kuj xa cov lus qhia tswj (feem ntau tsis pom tus neeg siv) hauv kev tawm tsam.
Cov neeg siv Internet hauv Internet tsim tau ntau dua nqes tshaj qhov tshaj tawm hauv tsheb khiav. Vim li no, qee qhov kev pabcuam hauv Internet xws li asymmetric DSL (ADSL) muab cov kab txuas qis dua hauv cov kev taw qhia kom qis qis dua kom muaj ntau dua kev xaib mus rau cov tsheb khiav qis.