Tsananguro yakadzama yenzira nhatu dzekutumira dzeindasitiri Ethernet switch

Kutsinhana ishoko rakajairwa rematekinoroji anotumira ruzivo kuti rwuendeswe kune inoenderana nzira inosangana nezvinodiwa nemanyorero kana otomatiki zvishandiso zvinoenderana nezvinodiwa zvekutapurira ruzivo kumativi ese ekutaurirana.Zvinoenderana nenzvimbo dzakasiyana dzekushanda, inogona kukamurwa kuita yakakura nharaunda network switch uye yemunharaunda nharaunda network switch.Shanduko yenzvimbo yakakura network imhando yemidziyo inopedza basa rekuchinjana ruzivo muhurongwa hwekutaurirana.Saka, ndedzipi nzira dzekutumira dzekuchinja?

Nzira yekutumira:

1. Cheka-kuburikidza nekushandura
2. Chengetedza-uye-Pamberi kushandura
3. Fragment-isina switching

Ingave kutumirwa kwakananga kana chitoro-kutumira inzira mbiri-yakapetwa nzira, uye nzira dzadzo dzekutumira dzinobva pane kwainoenda MAC (DMAC), hapana mutsauko pakati penzira mbiri dzekutumira pane iyi pfungwa.
Musiyano mukuru pakati pavo pavanenge vachibata nekutumira, ndiko kuti, kuti shanduko inobata sei nehukama pakati pekugamuchira uye nzira yekutumira data packet.

Kutumira mhando:
1. Cheka
Iyo yakatwasuka-kuburikidza neEthernet switch inogona kunzwisiswa semutsara matrix runhare switch inoyambuka yakatwasuka uye yakachinjika pakati pechiteshi chega chega.Kana yaona pakiti yedata pachiteshi chekupinza, inotarisa musoro wepaketi, inotora kero yekuenda yepakiti, inotanga iyo yemukati ine simba yekutarisa-tafura tafura uye inoishandura kuita inoenderana yekubuda chiteshi, inobatanidza pamharadzano yekupinda. uye inobuda, uye inopfuudza iyo data pakiti zvakananga kune Iyo inoenderana port inoziva iyo switching basa.Sezvo pasina kuchengetedza kunodiwa, kunonoka kuduku zvikuru uye kuchinjana kunokurumidza zvikuru, iyo ndiyo inobatsira.
Kukanganisa kwayo ndeyekuti izvo zviri mukati me data packet hazvina kuchengetwa neEthernet switch, haigone kutarisa kana iyo inotumirwa data packet haina kunaka, uye haigone kupa zvikanganiso zvekuona kukanganisa.Nekuti hapana buffer, yekupinza / yekubuda zviteshi zvine kumhanya kwakasiyana hazvigone kubatana zvakananga, uye mapaketi anorasika nyore.

2. Chengeta uye Pamberi (Chitoro; Pamberi)
Nzira yechitoro-uye-mberi ndiyo nzira inonyanya kushandiswa mumunda wemakombiyuta network.Inotarisa pakiti yedata yechiteshi chekupinza, inotora kero yekuenda yepakiti yedata mushure mekugadzirisa pakiti yekukanganisa, uye yoishandura kuita chiteshi chekuburitsa kutumira packet kuburikidza netafura yekutarisa.Nekuda kweizvi, nzira yechitoro-uye-yemberi ine kunonoka kukuru mukugadzirisa data, iko kuperevedza kwayo, asi inogona kuita yekukanganisa kuona pamapaketi e data anopinda muchinjiko uye zvinobudirira kuvandudza network network.Zvinonyanya kukosha kuti inogona kutsigira kutendeuka pakati pezviteshi zvekumhanya kwakasiyana uye kuchengetedza kubatana pakati pezviteshi zvekumhanya zvakanyanya uye zviteshi zvinomhanya zvakaderera.

JHA-MIGS1212H-2

3. Fragment Yemahara
Iyi ndiyo mhinduro pakati pezviviri zvekutanga.Inotarisa kana kureba kwepakiti yedata yakakwana kune 64 bytes, kana iri pasi pe 64 bytes, zvinoreva kuti ipakiti yenhema, uye bvisa pakiti;kana yakakura kudarika 64 bytes, tumira pakiti.Iyi nzira zvakare haina kupa data verification.Yayo data processing speed inokurumidza kupfuura chitoro-uye-mberi, asi inononoka pane yakatwasuka-kuburikidza.
Kungave kuri kutumira kwakananga mberi kana kuendesa chitoro, inzira mbiri-yekutumira nzira, uye nzira dzavo dzekutumira dzinobva pane kwainoenda MAC (DMAC).Hapana musiyano pakati penzira mbiri dzekutumira pane iyi pfungwa.Musiyano mukuru pakati pavo pavanenge vachibata nekutumira, ndiko kuti, kuti shanduko inobata sei nehukama pakati pekugamuchira uye nzira yekutumira data packet.


Nguva yekutumira: Zvita-09-2021