计算机英语在线翻译

Gateway(Gateway)andnetbetweenconnectors,protocolconverters.Inthetransportlayertorealizenetworkinterconnection,isthemostcomplicatednetworkinterconnectionequipmentandwillonlybeusedforthetoptwodifferentnetworkinterconnectionagreement.Gatewaycanbeusedeitherforwaninterconnection,canalsobeusedforlocalinterconnect.Agatewayisakindofburdentransformationasacomputersystemorequipment.Intheuseofdifferentcommunicationprotocols,dataformatorlanguagestructure,eventwodifferentsystems,agatewayisaFanYiQi.WithBridgessimplymessageisdifferent,thegatewaytopacktheinformationreceived,inordertoadapttothedemandofthesystem.Atthesametime,gatewayscanalsoprovidefilteringandsecurityfunction.MostofthesevenlayersoftheOSIruninthegatewayofthetopapplication-layerprotocol.

Asweallknow,fromaroomtoanotherroom,mustpassadoor.Also,fromonetoanother,andsendinformationnetworkmustpassapass,thisisthegatewaytopass.Justasitsnameimplies,Gateway(Gateway)isanetworkconnectiontoanotherlevelofnetwork.IntheOSI,gatewayhastwokinds:onekindisconnection-orientedgateway,aconnectionlessgateway.Whenacertaindistancebetweentwosubnet,oftenbeagatewayintotwohalves,withalinkbetweenconnected,wecallhalfgateway.Accordingtodifferentclassificationstandard,alsohaveverymany.Gateways,TheTCP/IPprotocolgatewaysarethemostcommonlyusedinhere,wespeakofgatewayareundertheTCP/IPprotocolgateways.Sowhatexactlyisgateway?InagatewaytotheInternetandothernetworkIPaddress.Forexample,therearenetworkandnetwork,thenetworkofBIPaddressrangefor192.168.1.1-192.168.1.254,thesubnetmaskfor255.255.255.0,BIPaddressrangenetworkfor192.168.2.1~192.168.2.254,thesubnetmaskfor255.255.255.0.Innocircumstances,therouterisnotbetweentwonetworkforTCP/IPcommunications,eventwonetworkconnectioninthesameswitch(orhub),theTCP/IPprotocolwouldalsoaccordingtothesubnetmask(255.255.255.0)inthetwonetworkjudgementatdifferentnetworks.Andtoachievethisnetworkofcommunicationbetweenthetwo,thenmustthroughthegateway.IfApacketnetworkinthemainpurposethatisnotlocalnetworks,putforwardthepackettoitsowngateway,againbyforwardinggatewaytothenetwork,networkgatewaysBthegatewaytotransmittoBAhostofnetworkB(figure).Anetworktoforwardpacketsofnetwork.Sayso,onlysetgoodgatewayIPaddress,theTCP/IPprotocoltorealizetheinteractionbetweenthedifferentnetworkcommunication.SotheIPaddressistheIPaddressofthemachine?TheIPaddressofthegatewayisaroutingfunctionsoftheIPaddressoftheequipment,equipmentforarouterroutingfunction,openingtheroutingprotocolserver(substantiallyequivalenttoarouter),proxyserver(equivalenttoarouter).IntheinteractivenetworkandNovellNetWare,inthecontextofthegatewaytotheserverWindowsusedinnetworkinformationblock(SMB)agreementandthecorenetworkNetWareagreement(NCP)NetWareplaysaroleofbridgebetween.GatewayisalsocalledtheIProuter.，你可以去试试