I-Cffiberlink inomugqa womkhiqizo ocebile kakhulu wokusabalalisa kanye nokudlulisa, okuhlanganisa ukushintshwa okuphethwe izinga lezimboni zemishini yokuxhumana ye-5G optical fibre, i-POE ehlakaniphile, ukushintshwa kwenethiwekhi, kanye namamojula optical we-SFP. Phakathi kwazo, umugqa womkhiqizo wokushintsha uwodwa wethule amamodeli angaphezu kwe-100.
Kunamamodeli amaningi, futhi akunakugwenywa ukuthi kuzoba nezikhathi lapho ucwebezela khona.
Namuhla, sizokulungisela ngokuhlelekile indlela yokukhetha yokushintsha.
01【Khetha i-Gigabit noma i-100M】
Kunethiwekhi yesistimu yokugada amavidiyo, inani elikhulu ledatha yevidiyo eqhubekayo lidinga ukudluliselwa, okudinga ukuthi iswishi ibe nekhono lokudlulisa idatha ngokuzinzile. Uma amakhamera engeziwe exhunywe kuswishi, likhulu inani ledatha eligeleza emshinini. Singacabanga ukugeleza kwekhodi njengoba amanzi egeleza, futhi amaswishi ayizindawo zokonga amanzi ngayinye ngayinye. Uma ukugeleza kwamanzi agelezayo kudlula umthwalo, idamu lizoqhuma. Ngokufanayo, uma inani ledatha elidluliselwa yikhamera ngaphansi kweswishi lidlula amandla okudlulisela embobo, lizophinda libangele ukuthi imbobo ilahle inani elikhulu ledatha futhi ibangele izinkinga.
Isibonelo, ivolumu yedatha yokudlulisa yeswishi engu-100M engaphezu kuka-100M izobangela inani elikhulu lokulahleka kwephakethe, okuholela esimweni sokufiphala kwesikrini nokunamathela.
Ngakho-ke, mangaki amakhamera adinga ukuxhunywa ku-switch ye-gigabit?
Kunendinganiso, bheka inani ledatha elidluliselwa yimbobo ekhuphukayo yekhamera: uma inani ledatha elidluliselwe imbobo ekhuphukayo lingaphezulu kuka-70M, khetha imbobo yegigabit, okungukuthi, khetha inkinobho yegigabit noma igigabit. i-uplink switch
Nansi indlela yokubala esheshayo nendlela yokukhetha:
Inani lomkhawulokudonsa = (umfula ongaphansi + ukusakaza okuyinhloko) * inombolo yamashaneli * 1.2
①Inani lomkhawulokudonsa>70M, sebenzisa i-Gigabit
②Inani lomkhawulokudonsa <70M, sebenzisa u-100M
Isibonelo, uma kukhona iswishi exhunywe kumakhamera angu-20 H.264 200W (4+1M), ngokusho kwalesi sibalo, izinga lokudlulisela phambili lembobo ye-uplink ngu-(4+1)*20*1.2=120M >70M, Kulokhu, kufanele kusetshenziswe inkinobho ye-gigabit. Kwezinye izimo, imbobo eyodwa kuphela yokushintsha idinga ukuba i-gigabit, kodwa uma isakhiwo sesistimu singakwazi ukuthuthukiswa futhi ithrafikhi ingakwazi ukulingana, khona-ke ukushintshwa kwe-gigabit noma ukushintshwa kwe-gigabit uplink kuyadingeka.
Umbuzo 1: Inqubo yokubala yokusakaza kwekhodi icace kakhulu, kodwa kungani iphindaphinda ngo-1.2?
Ngoba ngokusho kwesimiso sokuxhumana kwenethiwekhi, ukuhlanganisa amaphakethe wedatha kuphinde kulandele iphrothokholi ye-TCP/IP, futhi ingxenye yedatha idinga ukumakwa ngezinkambu zesihloko sesendlalelo ngasinye sephrothokholi ukuze idluliselwe kahle, ngakho unhlokweni uzophinde abe iphesenti elithile le-overhead.
Ikhamera ye-4M bit rate, 2M bit rate, njll. esivame ukukhuluma ngayo empeleni ibhekisela kusayizi wengxenye yedatha. Ngokwengxenye yokuxhumana kwedatha, i-overhead yeheda ibalelwa ku-20%, ngakho ifomula idinga ukuphindaphindwa ngo-1.2.
Ngakho-ke, mangaki amakhamera adinga ukuxhunywa ku-switch ye-gigabit?
Kunendinganiso, bheka inani ledatha elidluliselwa yimbobo ekhuphukayo yekhamera: uma inani ledatha elidluliselwe imbobo ekhuphukayo lingaphezulu kuka-70M, khetha imbobo yegigabit, okungukuthi, khetha inkinobho yegigabit noma igigabit. i-uplink switch.
Isikhathi sokuthumela: Sep-23-2022