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KVM Analysis & Comparison

KVM Analysis & Comparison. - 2002.09.29-. 김종원 winkle@email.lycos.co.kr Tech-Development Division. Lycos Korea ., Ltd http://www.lycos.co.kr. Contents. Virtual Machine? Commercial VM comparison * SK-VM * Java station * GVM * NTT DoCoMo i-Appli service WIPI

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KVM Analysis & Comparison

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  1. KVM Analysis & Comparison - 2002.09.29- 김종원 winkle@email.lycos.co.kr Tech-Development Division Lycos Korea., Ltd http://www.lycos.co.kr

  2. Contents • Virtual Machine? • Commercial VM comparison * SK-VM * Java station * GVM * NTT DoCoMo i-Appli service • WIPI • Example Processing* J2MEWTK * SK-VM * Java station

  3. Virtual Machine? • VM? : Compile된 java binary code와 실제로 프로그램의 명령어를 실행하는 microprocessor간의 interface역할을 담당하는 software • KVM? : small device를 위한 Java실행환경의 subset • CLDC/MIDP- Connected Limited Device Configuration- Mobile Information Device Profile

  4. Commercial VM Comparison • SK-VM* XVM(Extender Virtual Machine) : J2ME을 clean room형태로 개발* M-configuration, M-profile, OEM-Spec class

  5. Commercial VM Comparison • Structure

  6. Commercial VM Comparison • OEM Specific API * com.skt.m : device에 관계된 API * com.skt.m3d : 3D graphics에 관계된 API * com.xce.io : File input/output stream API * com.xce.lcdui : xce에서 추가되는 lcdui • External Functions* Audio System* Phone book* SMS function* 3D graphics* Vibration function Etc,.

  7. Commercial VM Comparison • Java Station(ez-Java) • KittyHawk*July, 2002 Aromasoft*KVM for LG iBook*import com.sun.kh*OEM Specific iBook API • MIDP*KVM for LG C-nain*MMPP(MultiMedia Phone Profile) OEM API*MIDP1.0 standard*import java.microedition

  8. Commercial VM Comparison • KittyHawk Web Server WAP request WAP Resource iBook KittyHawk HandSet UP.browser Descriptor File Call Load JAM [Java Application Manager] Memory JAR File Download KVM CGI Script Class Access Request/Response

  9. Commercial VM Comparison • MIDPDifference between KittyHawk

  10. Commercial VM Comparison • GVM* General Virtual Machine(commercial name)* SWAP(Sinji Wireless Application platform) - GVM technical name* June, 2000 SINJI soft for SK-telecom* Mobile C language - ANSI C based compact language* ASCII, KSC5601 character set

  11. Commercial VM Comparison • GVM Service * Mobile C SDK : Contents Developer * GVM Server : Service Provider * End User

  12. Commercial VM Comparison • GVM forward* GVM2X(present)- 2001, 01/10 - Network accessible - SMS event enable - Voice communication with stand alone application* GVM3X- Agent mode - File system - Multimedia player(VOD Etc,.)

  13. Commercial VM Comparison • NTT DoCoMo* I-mode terminal based Service* January, 2001* CLDC based Profile for I-mode* import com.nttdocomo* Extends Iapplication

  14. Commercial VM Comparison • NTT DoCoMo* CP : Cellular phone* CPS : Contents Provider’s Site* JA : Java Application* PN : Packet Network

  15. WIPI • Wireless Internet Platform Interoperability* Developed by KSWIF & ETRI* Co-Existence (such as WAP, MIDP)* OS & air Interface Independence* Support multiple programming language* Automatic Memory management* Support Internalization* Application Management

  16. WIPI

  17. WIPI • Service Concept

  18. Example Processing J2MEWirelessToolKit SK-VM platform SDK LGT Java Station SDK

  19. End Note Thanks

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