Android, .Net Compact Framework and JXTA - Faculty of Computer ...

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Overview • JXTA (Juxtapose) • Open Source Project founded by Sun in 2001 • open, standardized platform for the implementation of peer-to-peer applications • set of open, generalized peer-to-peer protocols • Implementations available for Java SE, Java ME, C, C++ and C# • Goals • Platform independence (programming language, communication protocols, deployment platform) • Ubiquity (heterogeneous device types and hardware) • Interoperability Dr. Thomas Springer 46 Application Development - 10. Platforms - Android, .Net Compact Framework and JXTA
Architecture • Core • essential primitives and building blocks for P2P applications • discovery, transport, peer creation, peer grouping, security primitives) • Services • includes network services • not necessary but desireable for P2P • searching and indexing, directory, storage system protocol translation, resource aggregation, authentication and public key infrastructure • Applications • e.g. instant messaging, document and resource sharing, content management and delivery, etc. Dr. Thomas Springer 47 Application Development - 10. Platforms - Android, .Net Compact Framework and JXTA
Page 1 and 2: Department of Computer Science Inst
Page 3 and 4: Android background • Google‘s i
Page 5 and 6: Android Architecture • Applicatio
Page 7 and 8: Dalvik Virtual Machine • alternat
Page 9 and 10: Building Blocks - Activities • Ac
Page 11 and 12: Building Blocks - Intents • Inten
Page 13 and 14: Android Manifest • AndroidManifes
Page 15 and 16: Android Summary • Java-based appl
Page 17 and 18: .Net Compact Framework - Overview
Page 19 and 20: Microsoft .Net Compact Framework -
Page 21 and 22: Runtime Environment • Common Lang
Page 23 and 24: Graphics • Two types of graphics
Page 25 and 26: Persistent Memory • File Access u
Page 27 and 28: PEER-TO-PEER AND JXTA
Page 29 and 30: Why Peer-to-Peer for Mobile Computi
Page 31 and 32: Social.FM • P2P sharing of audio
Page 33 and 34: Classification of Peer-to-Peer Netw
Page 35 and 36: Problems of a Central Directory •
Page 37 and 38: Query Flooding • Discovering new
Page 39 and 40: Hybrid P2P - Example KaZaA • Chal
Page 41 and 42: Managing the KaZaA Overlay Network
Page 43 and 44: Structured P2P - The Academic Appro
Page 45: P2P PLATFORM: JXTA
Page 49 and 50: Core - Basic Abstractions • Peers
Page 51 and 52: Pipes • Communication between pee
Page 53 and 54: Messages • Basic unit of data exc
Page 55 and 56: Super Peers • Edge Peers • Peer
Page 57 and 58: Peer Groups - Services • Peer gro
Page 59 and 60: JXTA Relay Super Peers Dr. Thomas S
Page 61 and 62: JXME • Mobile devices always repr
Page 63 and 64: Mobile P2P/JXTA summary • Decentr

Android, .Net Compact Framework and JXTA - Faculty of Computer ...

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