What are the similarities and differences between HAVi and Jini, and the relationship between them?
Similarities between HAVi and Jini: • Both HAVi and Jini aim to create a network of devices which users can easily connect and operate. Differences between HAVi and Jini: • HAVi targets AV devices, whereas Jini currently focuses more on IT devices such as printers, etc. • HAVi is based on 1394 protocols, whereas Jini is based on IP protocols. 1394 provides better support for AV streaming and plug-and-play than does IP. • While Jini is Java-based, HAVi APIs are IDL-compliant. • Currently Jini is only available on JDK 1.2; HAVi uses a much smaller set of Java packages (java.lang, java.io, java.util and parts of java.awt). • Regarding the relationship between HAVi and Jini, currently, Sony, Philips and Sun Microsystems, are developing a HAVi-Jini bridge that will enable devices in the HAVi and Jini networks to seamlessly send/receive commands/data. In February 1999, such a bridge was publicly announced.
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