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 for Enterprise JavaBeans
From The Free On-line Dictionary of Computing (30 December 2018) :

  Enterprise JavaBeans
      (EJB) A server-side
     component architecture for writing reusable business logic
     and portable enterprise applications.  EJB is the basis of
     Sun's Java 2 Platform, Enterprise Edition (J2EE).
     Enterprise JavaBean components are written entirely in Java
     and run on any EJB compliant server.  They are operating
     system, platform, and middleware independent, preventing
     vendor lock-in.
     EJB servers provide system-level services (the "plumbing")
     such as transactions, security, threading, and
     The EJB architecture is inherently transactional,
     distributed, multi-tier, scalable, secure, and wire
     protocol neutral - any protocol can be used: IIOP,
     JRMP, HTTP, DCOM etc.  EJB 1.1 requires RMI for
     communication with components.  EJB 2.0 is expected to require
     support for RMI/IIOP.
     EJB applications can serve assorted clients: browsers, Java,
     ActiveX, CORBA etc.  EJB can be used to wrap legacy
     EJB 1.1 was released in December 1999.  EJB 2.0 is in
     Sun claims broad industry adoption.  30 vendors are shipping
     server products implementing EJB.  Supporting vendors include
     IBM, Fujitsu, Sybase, Borland, Oracle, and
     An alternative is Microsoft's MTS ({Microsoft Transaction
     http://java.sun.com/products/ejb/faq.html)">FAQ (http://java.sun.com/products/ejb/faq.html).

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