Component Technologies

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Cluster-level Logging of Containers with Containers

Logging Challenges of Container-Based Cloud Deployments

by Satnam Singh | June 28, 2016

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How OSGi Changed My Life

In the early 1980s I discovered OOP (object-oriented programming) and fell in love with it, head over heels. As usual, this kind of love meant convincing management to invest in this new technology, and most important of all, send me to cool conferences. So I pitched the technology to my manager. I sketched him the rosy future, how one day we would create applications from ready-made classes. We would get those classes from a repository, put them together, and voila, a new application would be born.

by Peter Kriens | March 4, 2008

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ASPs:
The Integration Challenge

The promise of software as a service is becoming a reality with many ASPs (application service providers). Organizations using ASPs and third-party vendors that provide value-added products to ASPs need to integrate with them. ASPs enable this integration by providing Web service-based APIs. There are significant differences between integrating with ASPs over the Internet and integrating with a local application. When integrating with ASPs, users have to consider a number of issues, including latency, unavailability, upgrades, performance, load limiting, and lack of transaction support.

by Len Takeuchi | June 30, 2006

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Untangling Enterprise Java

Separation of concerns is one of the oldest concepts in computer science. The term was coined by Dijkstra in 1974.1 It is important because it simplifies software, making it easier to develop and maintain. Separation of concerns is commonly achieved by decomposing an application into components. There are, however, crosscutting concerns, which span (or cut across) multiple components. These kinds of concerns cannot be handled by traditional forms of modularization and can make the application more complex and difficult to maintain.

by Chris Richardson | June 30, 2006

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The Rise and Fall of CORBA

Depending on exactly when one starts counting, CORBA is about 10-15 years old. During its lifetime, CORBA has moved from being a bleeding-edge technology for early adopters, to being a popular middleware, to being a niche technology that exists in relative obscurity. It is instructive to examine why CORBA—despite once being heralded as the “next-generation technology for e-commerce”—suffered this fate. CORBA’s history is one that the computing industry has seen many times, and it seems likely that current middleware efforts, specifically Web services, will reenact a similar history.

by Michi Henning | June 30, 2006

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From COM to Common

Ten years ago, the term component software meant something relatively specific and concrete. A small number of software component frameworks more or less defined the concept for most people. Today, few terms in the software industry are less precise than component software. There are now many different forms of software componentry for many different purposes. The technologies and methodologies of 10 years ago have evolved in fundamental ways and have been joined by an explosion of new technologies and approaches that have redefined our previously held notions of component software.

by Greg Olsen | June 30, 2006

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Leveraging Application Frameworks

In today's competitive, fast-paced computing industry, successful software must increasingly be: (1) extensible to support successions of quick updates and additions to address new requirements and take advantage of emerging markets; (2) flexible to support a growing range of multimedia data types, traffic flows, and end-to-end QoS (quality of service) requirements; (3) portable to reduce the effort required to support applications on heterogeneous operating-system platforms and compilers; (4) reliable to ensure that applications are robust and tolerant to faults; (5) scalable to enable applications to handle larger numbers of clients simultaneously; and (6) affordable to ensure that the total ownership costs of software acquisition and evolution are not prohibitively high.

by Douglas C Schmidt, Aniruddha Gokhale, Balachandran Natarajan | August 31, 2004

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