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developerworks > My developerWorks >  Dashboard > Bobby Woolf: WebSphere SOA and J2EE in Practice > ... > WebSphere > WebSphere Real Time > Information > Page Comparison
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WebSphere Real Time
Version 5 by bwoolf
on Nov 08, 2006 18:44.


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Current by bwoolf
on Nov 08, 2006 19:10.

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 h1. WebSphere Real Time
  
  [IBM WebSphere Real Time|http://www.ibm.com/software/webservers/realtime/] is a [WebSphere product|WebSphere]. It implements a [Java Standard Edition] v5 JRE which also implements the [Real-time Specification for Java] (RTSJ). A Java program running in this JRE "delivers predictable response times," which is no simple feat considering Java features like the just-in-time compiler and garbage collection. It's designed to run on the real-time Linux operating system; WebSphere Real Time probably can only be as real-time as the OS is.
  [IBM WebSphere Real Time|http://www.ibm.com/software/webservers/realtime/] is a [WebSphere] product. It implements a [Java Standard Edition] v5 JRE which also implements the [Real-time Specification for Java] (RTSJ). A Java program running in this JRE "delivers predictable response times," which is no simple feat considering Java features like the just-in-time compiler and garbage collection. It's designed to run on the real-time Linux operating system; WebSphere Real Time probably can only be as real-time as the OS is.
  
 So, if you've got to do real-time programming, which would you rather use: Ada 95, C, or C++; or Java?
  
 For more info:
 * Product catalog entry: [WebSphere Real Time|http://www.ibm.com/software/info/ecatalog/en_US/products/E588440C35411G95.html]
 * Announcement letter: [IBM WebSphere Real Time V1.0 delivers predictable response times using Java standards|http://www.ibm.com/common/ssi/fcgi-bin/ssialias?infotype=AN&subtype=CA&htmlfid=897/ENUS206-210&appname=USN]
 * Information Center: [Java Diagnostics Guides Information Centers|http://www.ibm.com/support/docview.wss?rs=3182&uid=swg27007948]
 * alphaWorks tools: [Real-time Java technology|http://www.alphaworks.ibm.com/topics/realtimejava]
 * Discussion forum: [IBM Java Runtimes and SDKs|http://www.ibm.com/developerworks/forums/dw_forum.jsp?forum=367&cat=10]

 
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