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Implementation Of Software Systems

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University of North Texas
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Implementation of Software Systems
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Implementation of Software Systems
Introduction
This paper will address two of the most famous software system implementations in
recent history; one successful and one that failed. It will look at what went right for each system
and what went wrong with the other, in order to give a better idea of why some implementations
work while others do not. The more successful system, named Object Request Broker (ORB),
was developed by Red Hat during a period of rapid growth at the company. Described as an API
middleware. ORB is designed to broker requests between cooperating components running atop
separate operating systems and machines (i.e., "remote procedure calls", or RPCs). It is
particularly important in the context of distributed applications, because it allows them to take
advantage of potential reductions in system call overhead that occur when components run on
separate machines. The eventual goal was to make the mainframe more accessible and flexible
for large client deployments and development. However, Object Orientation was not a focus
from the beginning, but became a goal later during development.
The failed system, called the "X Window System" (X11), was developed by the MIT
Computer Science Lab's Computer Systems Research Group. The X11 project was part of a
larger effort to create a more powerful GUI. They wanted some sort of better graphical operating
system existing alongside Unix, which at the time was their main development environment.
X11 began as an effort to "port" 4.
Object Request Broker
Object Request Broker is designed to broker requests between cooperating components
running atop separate operating systems and machines. The system's purpose is to serve as a

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1 Implementation of Software Systems Student’s Name Institution Affiliation Course Professor Date 2 Implementation of Software Systems Introduction This paper will address two of the most famous software system implementations in recent history; one successful and one that failed. It will look at what went right for each system and what went wrong with the other, in order to give a better idea of why some implementations work while others do not. The more successful system, named Object Request Broker (ORB), was developed by Red Hat during a period of rapid growth at the company. Described as an API middleware. ORB is designed to broker requests between cooperating components running atop separate operating systems and machines (i.e., "remote procedure calls", or RPCs). It is particularly important in the context of distributed applications, because it allows them to take advantage of potential reductions in system call overhead that occur when components run on separate machines. The eventual goal was to make the mainframe more accessible and flexible for large client deployments and development. However, Object Orientation was not a focus from the beginning, but became a goal later during development. The failed system, called the "X Window System" (X11), was developed by the MIT Computer Science Lab's Computer Systems Research Group. The X11 project was part of a larger effort to create a more powerful GUI. They wanted some sort of better graphical operating system ...
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