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EntireX DCOM is a commercial implementation of Microsoft's Distributed Component Object Model (DCOM) technology by Software AG for the Windows, AIX, HP/UX, Solaris, Linux, AS/400, z/OS, z/VM, and BS2000/OSD platforms.
EntireX is a software product developed and marketed by Software AG. It is primarily an enterprise application integration product, designed to enable application-level integration of Windows clients (desktops, laptops, etc.) with 'legacy systems' (mainframes), packaged systems (such as other Software AG products) and Web services.
It enables communication between DCOM applications running on Windows and non-Windows platforms in heterogeneous networks (networks where software runs in diverse operating Systems and several types of hardware). For instance, it enables a DCOM application running on a Windows machine to communicate with a DCOM application running on an AS/400 platform. In recent years, Software AG has focused EntireX development on 'Web-enabling' mainframe applications. EntireX supports mainframe applications executing COBOL, Natural, Adabas, and other 'legacy' languages.
EntireX allows for direct user and client-computer interactions with the mainframe or web-hosted application, by encapsulating functions in an Active-X like control. Unlike screen scraping, EntireX allows old mainframe applications and web services to remain 'in place', while extending their functional capabilities to new platforms. [1]
EntireX is XML compliant and offers a GUI wizard-based application for building integration solutions.
There are 3 components of EntireX:
EntireX supports synchronous and asynchronous communications, load balancing, administrative and management re-configurations, metadata extraction, determining which Web Services are enabled and/or consumed, and related meta-operations. [2]
In distributed computing, a remote procedure call (RPC) is when a computer program causes a procedure (subroutine) to execute in a different address space, which is written as if it were a normal (local) procedure call, without the programmer explicitly writing the details for the remote interaction. That is, the programmer writes essentially the same code whether the subroutine is local to the executing program, or remote. This is a form of client–server interaction, typically implemented via a request–response message-passing system. In the object-oriented programming paradigm, RPCs are represented by remote method invocation (RMI). The RPC model implies a level of location transparency, namely that calling procedures are largely the same whether they are local or remote, but usually, they are not identical, so local calls can be distinguished from remote calls. Remote calls are usually orders of magnitude slower and less reliable than local calls, so distinguishing them is important.
Jakarta Enterprise Beans is one of several Java APIs for modular construction of enterprise software. EJB is a server-side software component that encapsulates business logic of an application. An EJB web container provides a runtime environment for web related software components, including computer security, Java servlet lifecycle management, transaction processing, and other web services. The EJB specification is a subset of the Java EE specification.
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