Yakananga-kuburikidza
Maswichi eEthernet akatwasuka anogona kunzwisiswa semaswichi emutsetse ane mitsetse yakachinjika pakati pemaports. Kana data packet yaonekwa pa input port, packet header inotariswa, kero yepacket inowanikwa, tafura yekutsvaga yemukati inoshanduka inotangwa, uye output port inoenderana inoshandurwa. Data packet yakabatana panosangana input ne output, uye data packet yakabatana zvakananga ne port inoenderana kuti iite switching function. Nekuti haidi kuchengetwa, kunonoka kudiki kwazvo uye switching inokurumidza zvikuru, inova ndiyo mukana wayo. Dambudziko nderekuti sezvo zviri mu data packet zvisina kuchengetwa ne Ethernet switch, hazvigoneke kutarisa kana transmitted data packet isiriyo, uye error detection capacity haigone kupihwa. Nekuti hapana cache, input/output ports dze speed dzakasiyana hadzigone kubatanidzwa zvakananga, uye zviri nyore kurasikirwa.
Chengeta uye tumira mberi
Nzira yekuchengetedza nekutumira data imhando yeapplication iri mumunda wenetwork dzemakombiyuta. Inotanga yachengeta data packet ye input port, yobva yaongorora CRC (cyclic redundancy code verification), yobvisa kero yedata packet mushure mekugadzirisa error packet, yoishandura kuita output port kuti itumire packet kuburikidza ne search table. Nekuda kweizvi, kunonoka kwekuchengetedza nekutumira data mu data processing kwakakura, inova zvikanganiso zvayo, asi inogona kuona zvisizvo data packets dziri kupinda mu switch uye inovandudza zvakanyanya mashandiro enetwork. Chinonyanya kukosha ndechekuti inogona kutsigira kushandurwa pakati pema ports ekumhanya kwakasiyana uye kuchengetedza kushanda pamwe chete pakati pema ports ekumhanya kwepamusoro nema ports ekumhanya kwakaderera.
Kuparadzaniswa kwezvidimbu
Iyi mhinduro pakati pemaviri ekutanga. Inotarisa kana kureba kwedata packet kwakakwanira mabyte makumi matanhatu nemana. Kana iri pasi pemabyte makumi matanhatu nemana, zvinoreva kuti ipaketi yenhema uye packet inoraswa; kana iri yakakura kupfuura mabyte makumi matanhatu nemana, packet inotumirwa. Nzira iyi haipe certification yedata. Kumhanya kwayo kwekugadzirisa data kunokurumidza kupfuura kuchengetedza nekutumira, asi kunononoka kupfuura direct pass. Kuunza switch yeHirschman switch.
Panguva imwe chete, switch yeHirschman inogona kutumira data pakati pemaports akawanda. Chiteshi chimwe nechimwe chinogona kuonekwa sechikamu che network chakazvimirira (cherechedza: chikamu che network chisiri cheIP), uye zvishandiso zve network zvakabatana nazvo zvinogona kunakidzwa ne bandwidth yese zviri zvega pasina kukwikwidzana nezvimwe zvishandiso. Kana node A ikatumira data ku node D, node B inogona kutumira data ku node C panguva imwe chete, uye zvese zvine bandwidth yakazara ye network uye zvine virtual connection yazvo. Kana switch ye 10Mbps Ethernet ikashandiswa, huwandu hwese hwe switch hwakaenzana ne 2x10Mbps=20Mbps. Kana 10Mbps shared HUB ikashandiswa, huwandu hwese hwe HUB hahuzopfuuri 10Mbps.
Muchidimbu,Chinja cheHirschmanmudziyo wenetwork unogona kupedzisa basa rekubatanidza nekutumira maframe edata zvichibva pakuziva kero dzeMAC. Switch yeHirschman inogona kudzidza kero dzeMAC uye kuachengeta mutafura yekero yemukati, uye kusvika zvakananga kune chinangwa kuburikidza nekuchinja kwechinguvana pakati pemutangi neanogamuchira data frame.
Nguva yekutumira: Zvita-12-2024