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• The java standard for Plugins is OSGi (http://www.osgi.org), this is what IGB (written in java) uses.
• There are several implementations of OSGi, including:
  1. Apache Felix (http://felix.apache.org/)
  2. Eclipse Equinox (http://www.eclipse.org/equinox/)
  3. Knoplerfish (http://www.knopflerfish.org/)
• the implementations are (for the most part) interchangeable and are free
• there are several tutorials for OSGi, including:
  1. How to get Started with OSGi (http://www.osgi.org/About/HowOSGi)
  2. Apache Felix OSGi Tutorial (http://felix.apache.org/site/apache-felix-osgi-tutorial.html)
  3. OSGi for Beginners (http://www.theserverside.com/news/1363825/OSGi-for-Beginners)
  4. OSGi with Eclipse Equinox - Tutorial (http://www.vogella.de/articles/OSGi/article.html)

Explain:

• What is a bundle? Give an example.
• What is OSGi and how does it work?
  • Explain what an Activator is.
• Provide references to tutorials developers new to the concept of bundles can read to get familiar with the topic.
• Explain the concept of extension point.
• Explain the advantages of bundles, plug-ins. (Ann can write this part after talking more with Michael and Lance.)

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