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1、无线应用通讯协议TheWirelessApplicationProtocolisaglobalnetworkcommunicationProtocolforWirelessapplications.WAPmakesmobileInternetacommonstandard,withthegoalofbringingtherichinformationandadvancedbusinessoftheInternettowirelessterminalssuchasmobilephones.WAPdefinesacommonplatformthatconvertsinformationfromt
2、hecurrentInternetwebHTMLLanguagetoinformationdescribedinWML(WirelessMarkupLanguage),displayedonthemobilephone'sdisplayscreen.WAPmobilephonesandWAPproxyserverisonlyrequiredtosupport,anddoesnotrequiretheexistingmobilecommunicationnetworkprotocoltomakeanychanges,thusitcanbewidelyusedinGSM,CDMA,TDMA,3g
3、andothernetworks.WithmobileInternetbecomingthenewdarlingoftheInternetage,therearevariousapplicationrequirementsforWAP.Forexample,theWAPwebportal,China'sfirstmachineindustryportal,isacaseinpoint.[editingthissection]applicationandprincipleUserscanusewirelesshandhelddevicessuchashand~heldcomputers,mob
4、ilephones,pagers,two-wayradio,smartphones,etc・,togetinformationthroughWAP.WAPsupportsmostwirelessnetworks,includingGSM,CDMA,CDPD,PDC,PHS,TDMA,FLEX,ReFLEX,iDen,TETEA,DECT,DataTAC,andMobitex.AlloperatingsystemssupportWAP,includingthePalmOS,EPOC,WindowsCE,FLEXOS,OS/9,andJavaOSdesignedforhandhelddevice
5、s・Somehandhelddevices,suchaspdas,installmicrobrowsersanduseWAPtoconnecttotheInternet.Microbrowserfilesaresmall,whichcansolvethelimitationsofsmallmemoryandbandwidthofwirelessnetwork・WhileWAPsupportsHTHLandXML,WMListhelanguageforsmallscreensandkeylesshandhelddevices・WAPsupportWMLScript,too.Thisscript
6、inglanguageissimilartoJavaScript,butislessdemandingformemoryandCPUbecauseitbasicallydoesn'thavetheuselessfunctionalitythatotherscriptinglanguagescontain・[editingthissection]theWAPprotocolWAP(wirelesscommunicationprotocol)isinthedigitalmobilephones,Internet,orotherpersonaldigitalassistant(PDA),compu
7、terapplicationandthefutureofinformationappliancestocommunicatebetweentheglobalopenstandards・ThebirthofthisstandardistheresultofWAPBBSmembers,WAPBBSisinJune1997,bynokia,Ericsson,MOTOROLA,andwirelessplanet(Un