jxta-tutorial-part2a

Description

Project JXTA –Guide to a peer-to-peerframework (Part 2) Ekaterina ChtcherbinaSiemens AG, Corporate TechnologyMunichThomas WielandSiemens AG, MunichUniversity of Applied Sciences, CoburgAgenda (part 2)! JXTA Bindings! Download & Configuration! Deep into Protocols! Demo! Creating a simple JXTA App that can! discover other peers and ! send messages to them2 © Siemens CT, Chtcherbina/Wieland, 2002JXTA BindingsJXTA GoalGoal "Open StandardReference ImplementationJava SE Java ME4 © Siemens CT, Chtcherbina/Wieland, 2002Specificationof ProtocolsJXTA ArchitectureJXTA PlatformComponentspipes peers peer groups serviceCore Servicesresolver pipe discovery membershippropagation servicerouter and relay servicestransports5 © Siemens CT, Chtcherbina/Wieland, 2002JXTA Projects! Core! Peer Groups: mechanisms to/for create and delete, join, advertise, discover, communication, security, content sharing! Peer Pipes: transfer of data, content, and code in a protocol-independent manner! Peer Monitoring: including access control, priority setting, traffic metering and bandwidth balancing! Services! expand upon the capabilities of the core and facilitate application development! mechanisms for searching, sharing, indexing, and caching code and content to enable cross-application bridging and translation of files! Applications! built using peer services as well as the core layer6 © Siemens CT, Chtcherbina/Wieland, ...

Informations

• Publié par: Bejuf
• Nombre de lectures: 116
• Langue: English

Extrait

Project JXTA – Guide to a peer-to-peer framework (Part 2)

Ekaterina Chtcherbina Siemens AG, Corporate Technology Munich

Thomas Wieland Siemens AG, Munich University of Applied Sciences, Coburg

Agenda (part 2)

! JXTA Bindings

! Download & Configuration

! Deep into Protocols

! Demo

! Creating a simple JXTA App ! discover other peers and ! send messages to them

2

that

can

© Siemens CT, Chtcherbina/Wieland, 2002

JXTA Bindings

JXTA Goal

Goal"

Open Standard

Reference Implementation

Java SE

4

Java ME

© Siemens CT, Chtcherbina/Wieland, 2002

JXTA Architecture

Components

pipes

Core Services resolver

JXTA Platform

peers

pipe

peer groups

discovery

propagation service

router and relay services

transports

service

membership

5 © Siemens CT, Chtcherbina/Wieland, 2002

JXTA Projects

!

!

!

Core ! commer, scov, diceru,ns taoinuciha sntteon cy,itgnir ps: mecheer Grou/oof rrcnasismt el de,etteeand a revdesit ioj  a  ,nP ! :sepiP reePt arsnef rfod taa, content, and edoc ni rp acoto- i ol epnddeen mnt anner ! dnabtdiw gni dna miceret   t g, ffraingh balanc ePnotireM g: iorindingnclu ssecca ,lortnocitorri pinttsey  Services ! na eroc eht fo sieitilabap che t lepod veitnoilac   app tatecilid fa tnem na dpunoepx for searchin s ! slattran ppilirgdnob  g,ceminah sms, and i   l c e a s c o h f i   n f g i   on c   o ahirgn ,niedixgn de and content to enable cross-a cati ing and Applications ! services as well as the core layerbuilt using peer

6

© Siemens CT, Chtcherbina/Wieland, 2002

JXTA Bindings

Platform

Bindings

C++

Java

Personal Java

Java MIDP 2.0

7

Single JXTA Implementation  for the Java Platform

© Siemens CT, Chtcherbina/Wieland, 2002

Interoperability Level

J2ME

Java PE

8

J2SE

JXTA

© Siemens CT, Chtcherbina/Wieland, 2002

JXTA Java Bindings

!

!

!

Set of Java classes that implement the JXTA protocoland a set ofobjects and servicesthat enable P2P communication The code contains two main packages ! net.jxta =>interfaces ! net.jxta.impl =>implementations Daily & Stable Builds

9

© Siemens CT, Chtcherbina/Wieland, 2002

Source Code

Interfaces

Protocols

Core Services

Core Components

JXTA Util

Interfaces Impl

Cache XML Parsers

Implementation Libraries xerces log4j cryptix-asn1 cryptix -32 junit jxtaptls jxtasecurity minimalBC beepcore servlet org.mortbay.jetty

GUI Transports

Security

10

© Siemens CT, Chtcherbina/Wieland, 2002

Download & Configuration