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1、无线应用通讯协议TheWirelessApplicationProtocolisaglobalnetworkcommunicationProtocolforWirelessapplications・WAPmakesmobileInternetacommonstandard,withthegoalofbringingtherichinformationandadvancedbusinessoftheInternettowirelessterminalssuchasmobilephones.WAPdefinesaco
2、mmonplatformthatconvertsinformationfromthecurrentInternetwebHTMLLanguagetoinformationdescribedinWML(WirelessMarkupLanguage),displayedonthemobilephone，sdisplayscreen.WAPmobilephonesandWAPproxyserverisonlyrequiredtosupport,anddoesnotrequiretheexistingmobilecomm
3、unicationnetworkprotocoltomakeanychanges,thusitcanbewidelyusedinGSM,CDMA,TDMA,3gandothernetworks.WithmobileInternetbecomingthenewdarlingoftheInternetage,therearevariousapplicationrequirementsforWAP・Forexample,theWAPwebportal,China'sfirstmachineindustryportal,
4、isacaseinpoint.[editingthissection]applicationandprincipleUserscanusewirelesshandhelddevicessuchashand-heldcomputers,mobilephones,pagers,two-wayradio,smartphones,etc・,togetinformationthroughWAP.WAPsupportsmostwirelessnetworks,includingGSM,CDMA,CDPD,PDC,PHS,TD
5、MA,FLEX,ReFLEX,iDen,TETEA,DECT,DataTAC,andMobitex・AlloperatingsystemssupportWAP,includingthePalmOS,EPOC,WinclowsCE,FLEXOS,OS/9,andJavaOSdesignedforhandhelddevices・Somehandhelddevices,suchaspdas,installmicrobrowsersanduseWAPtoconnecttotheInternet.Microbrowserf
6、ilesaresmall,whichcansolvethelimitationsofsmallmemoryandbandwidthofwirelessnetwork・WhileWAPsupportsIITIILandXML,WMListhelanguageforsmallscreensandkeylesshandhelddevices・WAPsupportWMLScript,too.ThisscriptinglanguageissimilartoJavaScript,butislessdemandingforme
7、moryandCPUbecauseitbasicallydoesn，thavetheuselessfunctionalitythatotherscriptinglanguagescontain.[editingthissection]theWAPprotocolWAP(wirelesscommunicationprotocol)isinthedigitalmobilephones,Internet,orotherpersonaldigitalassistant(PDA),computerapplicationan
8、dthefutureofinformationappliancestocommunicatebetweentheglobalopenstandards・ThebirthofthisstandardistheresultofWAPBBSmembers,WAPBBSisinJune1997,bynokia,Ericsson,MOTOROLA,andwirelessplanet
