Esimweni esijwayelekile sesicelo se-NPB, inkinga ekhathaze kakhulu abaphathi ukulahleka kwepakethe okubangelwa ukugcwala kwamaphakethe abunjiwe namanethiwekhi we-NPB. Ukulahleka kwephakethe ku-NPB kungadala izimpawu ezijwayelekile ezijwayelekile kumathuluzi wokuhlaziya emuva emuva:
- I-alamu yenziwa lapho inkomba yokuqapha ukusebenza kwensiza ye-APM iyancipha, futhi isilinganiso sempumelelo yokuthenga siyancipha
- Inkomba yokuqapha ukusebenza kwenethiwekhi ye-NPM Inkomba Ehlukile ye-alamu yenziwa
- Uhlelo lokuhlola ukuphepha lwehluleka ukuthola ukuhlaselwa kwenethiwekhi ngenxa yokungashonayo kwemicimbi
- Ukulahleka Kwemicimbi Yokucwaninga Ngensizakalo Yesevisi ekhiqizwe uhlelo lokucwaningwa kwensiza
... ...
Njengohlelo lokuthwebula kanye nokusabalalisa uhlelo lokuqapha lweBypass, ukubaluleka kwe-NPB kuyabonakala. Ngasikhathi sinye, indlela ecubungula ngayo idatha yepakethe yedatha ihluke kakhulu ekushintsheni kwenethiwekhi yendabuko, kanye nobuchwepheshe bokulawulwa kwethrafikhi kwamanethiwekhi amaningi bukhoma amanethiwekhi abukhoma awasebenzi kwi-NPB. Ungaxazulula kanjani ukulahleka kwephakethe le-NPB, ake siqale ekuhlaziyweni kwempande yokulahleka kwepakethe ukuze sikubone!
I-NPB / Thepha Packet Loss Contestion Root Counte
Okokuqala, sihlaziya indlela yangempela yethrafikhi kanye nobudlelwano bemephu phakathi kohlelo kanye nokungenayo futhi okuphumayo kwenethiwekhi ye-NPB 1 noma yeleveli ye-NPB. Akunandaba noma hlobo luni lwamafomu we-TOpology Topology NPB, njengohlelo lokuqoqa, kukhona ukufakwa kwezimoto okuningi kanye nokukhipha ubudlelwano phakathi "kokufinyelela" kanye "nokuphuma" kohlelo lonke.
Ngemuva kwalokho sibheka imodeli yebhizinisi ye-NPB kusuka ekubukeni kwama-Asic chip kudivayisi eyodwa:
Isici 1: "Ithrafikhi" kanye "nezinga lokubonisana ngokomzimba" kwezindawo zokufaka nokukhipha yi-asymmetrical, okuholela enanini elikhulu lama-micro-bursts ngumphumela ongenakugwenywa. Esikhathini esijwayelekile izimo ezihlanganisiwe ezi-to-to-to-amaningi, izinga lomzimba lesixhumi esibonakalayo livame ukuba lincane kunesilinganiso esiphelele somzimba wesibonisi sokufaka. Isibonelo, iziteshi eziyi-10 zeqoqo le-10G kanye nesiteshi esingu-1 sokuphuma kwe-10G; Esimweni sokuthumela se-multilevel, wonke ama-NPB angabukwa awonke.
Isici 2: Izinsizakusebenza ze-ASIC Chip Chip zilinganiselwe kakhulu. Ngokuya nge-chip esetshenziswa kaningi yamanje, i-chip enekhono lokushintshana nge-640GBPS linenqolobane yama-3-10mbytes; I-chip ye-3.2TBPS ye-chip inenqolobane ka-20-50 mbytes. Kufaka phakathi i-marsom, i-barefoot, i-CTC, imarvell nabanye abakhiqizi be-assic chips.
Isici 3: Indlela ejwayelekile yokulawula ukugeleza kokuphela kwe-PFC ayisebenzi kwizinsizakalo ze-NPB. Umgogodla we-PFC Flow Control Mechanism ukufezekisa impendulo ye-End-to-End Traffic Ferpy Kodwa-ke, umthombo wephakethe wezinsizakalo ze-NPB amaphakethe abunjiwe, ngakho-ke isu lokucubungula lokuhlangana lingalahlwa noma ligcinwe.
Okulandelayo ukuvela kokuqhuma okujwayelekile kwe-micro kujika lokugeleza:
Ukuthatha isikhombimsebenzisi se-10G njengesibonelo, egameni lesibili lokuhlaziywa kwethrafikhi yethrafikhi, izinga lomgwaqo ligcinwa cishe nge-3GBS isikhathi eside. Eshadini lokuhlaziywa kwe-Mirre Millisecond, iSpike yeTraffic (Microburst) idlule kakhulu isilinganiso se-10G esibonakalayo senyama.
Amasu asemqoka wokunciphisa i-NPB Microburst
Yehlisa umthelela wesilinganiso esibonakalayo se-asymmetric esibonakalayo se-mismatch- Lapho uklama inethiwekhi, unciphise okokufaka kwe-asymmetric kanye nokukhipha okubonakalayo okubonakalayo kwamanani entengo ngangokunokwenzeka. Indlela ejwayelekile ukusebenzisa isixhumanisi esibonakalayo esiphezulu se-Uplink interface, futhi uvikele amanani e-asymmetric abonakalayo ngokomzimba (ngokwesibonelo, ukukopisha i-1 gbit / s traffic engu-10 ngasikhathi sinye).
Lungiselela inqubomgomo yokulawulwa kwe-cache yensizakalo ye-NPB- Inqubomgomo yokuphathwa kwe-CACE Ejwayelekile esebenza kwinsizakalo yokushintsha ayisebenzi kwinsizakalo yokudlulisa yensizakalo ye-NPB. Inqubomgomo Yokulawulwa Kwe-CACE yesiqinisekiso esibonakalayo + Ukwabelana okunamandla kufanele kusetshenziswe ngokususelwa kwizici zensizakalo ye-NPB. Ukuze unciphise umthelela we-NPB Microburst ngaphansi komkhawulo wezemvelo we-chip hardware.
Sebenzisa ukuphathwa kwezobunjiniyela bezimoto ezihlukanisiwe- Sebenzisa ukuphathwa kokuhlukaniswa kwensiza okubaluleke kakhulu ngokusekelwe ekuhlukanisweni kwezimoto. Qinisekisa ikhwalithi yesevisi ehlukene emgqeni ophambili osuselwa ku-bandwidthths yomugqa wesigaba, futhi uqinisekise ukuthi amaphakethe omsebenzi womsebenzisi abucayi angadluliselwa ngaphandle kokulahleka kwepakethe.
Isixazululo sohlelo olunengqondo sithuthukisa amandla okulondolozwa kwephakethe kanye namandla okubumba izimoto- Ihlanganisa ikhambi ngokusebenzisa izindlela ezahlukahlukene zobuchwepheshe ukwandisa amandla okulondolozwa kwephakethe le-chip ye-Asic. Ngokubumba ukugeleza ezindaweni ezahlukahlukene, ukuqhuma okuncane kuba yi-micro-unifomu ijika le-curve ngemuva kokubumba.
Isixazululo se-MyLink ™ Minro Burst Traffic Management Selication
I-Scheme 1 - Isu lokuphathwa kwenethiwekhi okulungiselelwe inethiwekhi + I-Network-Live Service Service Ukuphathwa Okubaluleke Kakhulu
Isu lokuphathwa kwe-cache lenzelwe inethiwekhi yonke
Kususelwa ekuqondeni okujulile kwezimpawu zensizakalo ye-NPB kanye nezimo zebhizinisi ezisebenzayo zenombolo enkulu yamakhasimende, i-MyLink ™ Collection Collection Precing "enomphumela omuhle ekuphathweni kwethrekhi yethrafikhi, okufakwayo kwe-asymmetric okufakiwe kanye nokufakwa kokukhipha. Ukubekezelelana kwe-microburst kutholakala ngezinga elikhulu lapho i-Chip Chip Chip yamanje ihleliwe.
Ubuchwepheshe bokucubungula i-Microburst - Abaphathi Ngokusekelwe Ezitimeleni Zebhizinisi
Lapho i-Traffic Trafvent Unit ihanjiswa ngokuzimela, ingabekwa phambili ngokubaluleka kwethuluzi lokuhlaziya elisekela emuva noma ukubaluleka kwemininingwane yesevisi uqobo. Isibonelo, phakathi kwamathuluzi amaningi okuhlaziya, i-APM / BPC ine-ephakeme ephezulu kakhulu kunokuhlaziywa kokuphepha / ukuphepha kwamathuluzi ngoba kuhilela ukuqapha kanye nokuhlaziywa kwedatha yenkomba ehlukahlukene yezinhlelo ezibalulekile zebhizinisi. Ngakho-ke, ngalesi simo, idatha edingwa yi-APM / BPC ingachazwa njengento ebaluleke kakhulu, idatha edingwa yi-Security Monitoring / Ukuphepha Amathuluzi angachazwa njengokubaluleka okuphakathi nendawo, futhi idatha edingekayo. Lapho amaphakethe wedatha aqoqiwe engena ethekwini lokufaka, izinto eziza kuqala zichazwa ngokuya ngokubaluleka kwamaphakethe. Amaphakethe aphezulu aphezulu adluliselwa ngokukhethekile ngemuva kokuthi amaphakethe aza kuqala ezintweni eziphakeme adluliselwe, futhi amaphakethe akwezinye izinto eziza kuqala athunyelwa ngemuva kokuthi amaphakethe ebaluleke kakhulu athunyelwe. Uma amaphakethe ebaluleke kakhulu aqhubeka nokufika, amaphakethe aphezulu aphezulu adluliselwa phambili. Uma idatha yokufaka idlula amandla okudlulisela phambili wePort Port isikhathi eside, idatha eyeqile igcinwa kunqolobane yedivayisi. Uma i-cache igcwele, idivaysi ichaza amaphakethe we-oda eliphansi. Le ndlela yokuphatha ebekwe phambili iqinisekisa ukuthi amathuluzi okuhlaziya asemqoka angathola kahle idatha yasekuqaleni yethrafikhi edingekayo ukuze ihlaziywe ngesikhathi sangempela.
Ubuchwepheshe bokucutshungulwa kwe-Microburst - Indlela Yokuqinisekisa Yasezingeni lekhwalithi Yonke Yenethiwekhi Yenethiwekhi
Njengoba kukhonjisiwe kulesi sibalo esingenhla, ubuchwepheshe bokuhlukaniswa kwezimoto busetshenziselwa ukwahlukanisa izinsizakalo ezahlukahlukene kuwo wonke amadivaysi engxenyeni yokufinyelela, i-adgregation / Core ungqimba, kanye nezinto eziza kuqala kumaphakethe athunjiwe abhalwe kabusha. Isilawuli se-SDN siletha inqubomgomo ebaluleke kakhulu yethrofikhi ngendlela ephakathi futhi isebenza kumadivayisi wokudlulisa. Onke amadivaysi abamba iqhaza kwinethiwekhi abhalwe emgqeni obaluleke kakhulu ngokuya ngezinto ezibaluleke kakhulu ezenziwa ngamaphakethe. Ngale ndlela, amaphakethe amancane aphambili wethrafikhi angafinyelela ukulahleka kwepakethe zero. Xazulula ngempumelelo inkinga yokulahleka kwepakethe yokuqapha i-APM kanye nezinsizakalo zethrafikhi ezikhethekile ze-Bypass.
Isixazululo 2 - Isilondolozi sohlelo lwe-GB-Level System
Isilondolozi se-GB Level System enwetshiwe
Lapho idivaysi yethu yokutholwa kwethrafikhi inamakhono okusebenza okusebenzayo okuthuthukile, ingavula inani elithile lesikhala kwimemori (RAM) yedivayisi njenge-buffer yomhlaba wonke yedivayisi, ethuthukisa kakhulu umthamo we-Buffer wedivayisi. Kwithuluzi elilodwa lokutholwa, okungenani umthamo we-GB unganikezwa njengesikhala senqolobane yedivayisi yokutholwa. Lobu buchwepheshe benza umthamo we-buffer wedivayisi yethu yokutholwa kwe-traffic forcicition Unit amahlandla aphakeme kunalokho kwedivaysi yokutholwa kwendabuko. Ngaphansi kwezinga elifanayo lokudlulisela, ubude besikhathi sokuqhuma okukhulu kwensiza yethu yokutholwa kwethrafikhi iba isikhathi eside. Izinga lama-millisecond elisekelwa yimishini yokutholwa kwendabuko lithuthukiselwe ezingeni lesibili, nesikhathi esincane sokuqhuma esingase sinakwesokuqanda sikhuphuke izinkulungwane zezikhathi.
Amandla okubumba umugqa we-multi -ue
Ubuchwepheshe bokucubungula ama-Microburst - Isixazululo esisuselwa kubufebe obukhulu be-buffer + ukwakheka kwethrafikhi
Ngomthamo omkhulu we-Buffer, idatha yethrafikhi ekhiqizwe yi-micro-bufting isilondoloziwe, futhi ubuchwepheshe bokubumba amathrafikhi busetshenziswa esibonakalayo esiphumayo ukufeza umphumela oshelelayo wamaphakethe kwithuluzi lokuhlaziya. Ngokusebenzisa lobu buchwepheshe, into elahlekile yephakethe elibangelwa yi-micro-burst ixazululwe ngokuyisisekelo.
Isikhathi sePosi: Feb-27-2024
