Cikakken bayani na hanyoyin turawa guda uku na maɓallan Ethernet na masana'antu

Musanya kalma ce ta gabaɗaya don fasaha waɗanda ke aika bayanan da za a watsa zuwa daidaitattun hanyoyin da suka dace da buƙatun ta kayan aikin hannu ko na atomatik bisa ga buƙatun watsa bayanai a ƙarshen sadarwar biyu.Dangane da matsayi daban-daban na aiki, ana iya raba shi zuwa maɓalli na cibiyar sadarwa mai faɗi da canjin cibiyar sadarwa na yanki.Maɓallin cibiyar sadarwa mai faɗi wani nau'in kayan aiki ne wanda ke kammala aikin musayar bayanai a cikin tsarin sadarwa.Don haka, menene hanyoyin isar da saƙon?

Hanyar aikawa:

1. Yanke-ta hanyar sauyawa
2. Canji-da-Gabatarwa
3. Canjawa mara juzu'i

Ko kai tsaye turawa ko kuma aikewa da ajiya, hanya ce ta isar da saƙo guda biyu, kuma dabarun tura su sun dogara ne akan maƙasudin MAC (DMAC), babu bambanci tsakanin hanyoyin turawa guda biyu akan wannan batu.
Babban bambancin da ke tsakaninsu shi ne lokacin da suke mu’amala da turawa, wato yadda ma’ajin na’urar ke hulda da alakar da ke tsakanin tsarin karba da kuma yadda ake tura fakitin bayanai.

Nau'in turawa:
1. Yanke Ta
Ana iya fahimtar madaidaicin-ta hanyar Ethernet a matsayin madaidaicin matrix na wayar tarho wanda ke ketare a tsaye da kuma a kwance tsakanin kowace tashar jiragen ruwa.Lokacin da ya gano fakitin bayanai a tashar shigar da bayanai, yana bincika kan fakitin, ya sami adireshin inda fakitin, ya fara tebur mai ƙarfi na ciki sannan ya canza shi zuwa tashar fitarwa daidai, yana haɗawa a mahadar shigarwar. da fitarwa, kuma ya wuce fakitin bayanan kai tsaye zuwa tashar tashar da ta dace ta gane aikin sauyawa.Tun da ba a buƙatar ajiya, jinkirin yana da ƙananan ƙananan kuma musayar yana da sauri sosai, wanda shine amfaninsa.
Rashin hasara shi ne saboda abubuwan da ke cikin fakitin bayanan ba a adana su ta hanyar Ethernet sauya, ba zai iya bincika ko fakitin bayanan da aka watsa ba daidai ba ne, kuma ba zai iya samar da damar gano kuskure ba.Saboda babu buffer, shigarwa/fitarwa tashar jiragen ruwa tare da mabambanta gudu ba za a iya haɗa kai tsaye ba, kuma fakiti suna cikin sauƙi asara.

2. Ajiye da Gaba ( Store; Gaba)
Hanyar adana-da-gaba ita ce hanyar da aka fi amfani da ita a fagen sadarwar kwamfuta.Yana duba fakitin bayanai na tashar shigar da bayanai, yana fitar da adireshin inda aka nufa na fakitin bayanan bayan sarrafa fakitin kuskure, sannan ya canza shi zuwa tashar fitarwa don aika fakitin ta cikin tebur mai dubawa.Saboda haka, hanyar adana-da-gaba yana da babban jinkiri wajen sarrafa bayanai, wanda shine gazawarsa, amma yana iya yin kuskure akan fakitin bayanan da ke shiga maɓalli da ingantaccen ingantaccen aikin hanyar sadarwa.Yana da mahimmanci musamman cewa zai iya tallafawa juyawa tsakanin tashoshin jiragen ruwa na sauri daban-daban da kuma kula da haɗin gwiwar tsakanin manyan tashoshin jiragen ruwa da ƙananan jiragen ruwa.

Saukewa: JHA-MIGS1212H-2

3. Yankewa Kyauta
Wannan shine mafita tsakanin biyun farko.Yana duba ko tsawon fakitin bayanan ya isa 64 bytes, idan bai kai 64 bytes ba, yana nufin fakitin karya ne, sannan a jefar da fakitin;idan ya fi 64 bytes, to aika fakitin.Wannan hanyar kuma ba ta samar da tabbacin bayanai.Gudun sarrafa bayanan sa yana da sauri fiye da adanawa da gaba, amma a hankali fiye da kai tsaye.
Ko kai tsaye turawa ko kantin sayar da kayayyaki, hanya ce ta turawa ta Layer biyu, kuma dabarun tura su sun dogara ne akan MAC (DMAC).Babu bambanci tsakanin hanyoyin turawa guda biyu akan wannan batu.Babban bambancin da ke tsakaninsu shi ne lokacin da suke mu’amala da turawa, wato yadda ma’ajin ke aiki da alakar da ke tsakanin tsarin karba da kuma yadda ake tura bayanan.


Lokacin aikawa: Dec-09-2021