互联网协议英文.ppt

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1、InternetProtocolOverview1.0TCP/IPandtheDoDModel2.0IPAddressing3.0Subnetting1.0TCP/IPandtheDoDModel1.1ComparisonofDodandOSIModel1.2TheTCP/IPprotocolsuite1.3TheProcess/ApplicationlayerProtocols1.4TheHost-to-HostLayerProtocols1.5TheInternetLayerProtocols1.1ComparisonofDoDandOSIModel

2、(1)TheTCP/IPsuitewascreatedbytheDoDTheDoDmodelisacondensedversionoftheOSImodelApplicationPresentationSessionTransportNetworkDataLinkPhysicalProcess/ApplicationHost-to-HostInternetNetworkAccessDoDModelOSIModelNode-to-nodeapplicationcommunicationControlsuser-interfacespecifications

3、SettinguptheleveloftransmissionserviceforapplicationsTakescareIPaddressanddesignateprotocolsforlogicaltransmissionofpacketsovertheentirenetworkOverseeshardwareaddressinganddefinesprotocolsforthephysicaltransmissionofdata1.1ComparisonofDoDandOSIModel(2)TCP/IPModelOSIModel1.2TheTCP

4、/IPProtocolSuiteProcess/ApplicationTelnetTCPUDPIPICMPARPLANTechnologies:Ethernet,FastEthernet,TokenRing,FDDIWANTechnologies:SerialLines,FrameRelay,ATMRARPHost-to-HostInternetNetworkAccessFTPTFTPSMTPLPDSNMPNFSXWindowBootP/DHCPDNSIGMP1.3TheProcess/ApplicationLayerProtocolsTelnet–Te

5、lephoneNetworkFTP–FileTransferProtocolTFTP–TrivialFileTransferProtocolNFS–NetworkFileSystemSMTP–SimpleMailTransferProtocolLPD–LinePrinterDaemonXWindow–writingaGUI-basedclient/serverapplicationsDNS–DomainNameService(DNS)BootP–BootstrapProtocolDHCP–DynamicHostConfigurationProtocol1

6、.4TheHost-to-HostLayerProtocolsToshieldtheupper-layerapplicationsfromthecomplexitiesofthenetworkTCP(TransmissionControlProtocol)BreakdowndatafromupperlayersintoSegmentNumbersandsequenceseachsegmentConnection-oriented–virtualcircuitrequiredUserDatagramProtocol(UDP)Breakdowndatabut

7、notsequencethesegmentThinprotocolwhichdoesn’ttakeupmuchbandwidthonanetworkConnectionless–novirtualcircuitrequired,thusunreliableForsendinglittlemessageandreliabilityaccomplishedattheupperlayers1.4aTransmissionControlProtocol(TCP)Connection-orientedSessionisestablishedbeforeexchan

8、gingdataVirtualcircuitrequiredReliableDe