9.1 mobile portable computing devices

9.2 (peer to peer wireless network)IrDAInfrared Data Association19936 IrDA19600bps115.2Kbps4Mbps

19996Windows98IrDAWindows98PC

9.3 Wireless LAN(1)(2)(3)

IEEE 802.11(1)(2)multiple transfer rate(3)DCFdistributed coordination functionPCFpoint coordination function(4)bandwidth(5)(6)IEEE 802.11 (1)Station Services, SS(2)Distribution System Services, DSS

IEEE 802.11

Infrastructure Wireless LANaccess pointAd Hoc Wireless LAN

9.4 WAPWAP InternetIntranetcellular phonemobile hostWAP Forum WAP

WAP(World Wide Web)HttpCPU WAPWML(Wireless Markup Language)HTMLHTML/WMLWAP GatewayWAPWAP(1)(2)(3)(4)

WAP

Wireless Application EnvironmentWAEWWWWAEWAPWireless Session ProtocolWSPWSPWTPWDPWireless Transaction ProtocolWTPWTPWDP

WAP(1)ClientWWW WAP (2)ClientWAP

WAP

Client ()

WAP

WWW

WWW

WAP

WAP

WAP

WAPWMLWML1.4KbyteGSM 9.6Kbps56KbpsGPRS110KbpsWAP

Wireless Transport Layer SecurityWTLSWTLSIndustrial Standard TLS Protocol(Secure Sockets Layer,SSL)Wireless Datagram ProtocolWDPWDPWAPBearerWAP(SMSShort Message Service)(Packet Data)(Circuit-switched Data)

9.5 -

(FDDI)-LACE Model 0B2000E

LACE Model 0B2000ELACE Model 0B2000E

(FDDI)

WAP -WAPWAPWML(Wireless Markup Language)

()

9

Windows98Digital RoamAbout-Digital RoamAboutDigital RoamAbout http://www.edu.tw/

:(1)(2)(3)(4)-(5)-(6)Windows98ping 140.129.26.113-