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Verification and Validation for Trustworthy Software Systems

In this IEEE article, authors discuss a continuous verification and validation of complex and safety-critical software systems using techniques like statechart assertions, runtime execution monitoring, and scenario-based testing.

Thomas W. Otani Man-Tak Shing James Bret Michael Doron Drusinsky
on Mar 05, 2012
Communicate Business Value to Your Stakeholders

Often project leaders—even Agile project leaders—talk about their projects in terms of features. Yes, and what do features really mean for stakeholders? Features are what your system or process can do. Benefits are why people care. And benefits equal business value. Learn why and how to communicate benefits rather than features—and what it will mean for you, your team and your organization.

Jenni Jepsen
on Mar 05, 2012
Book on Solving Enterprise Applications Performance Puzzles by Leonid Grinshpan

Performance is one of the most critical attributes for enterprise applications. Even though not mentioned explicitly, properties such as response time or throughput are key issues that decide about user acceptance.Leonid Grinshpan, PhD and Consulting Director at Oracle Corporation, has dedicated his book "Solving Enterprise Applications Performance Puzzles" to this topic.

Michael Stal
on Feb 29, 2012
Evolution in Data Integration From EII to Big Data

With the emergence of inexpensive cloud-based storage and cost-effective ways to process large volumes and complex data there has been a shift in approach toward data integration.

JP Morgenthal
on Feb 22, 2012
Faster, Better, Higher – But How?

One of the main challenges when designing software architecture is the consideration of quality attributes. Not only their design turns out to be difficult, but also the specification of these attributes. Consequently, many problems in software systems are directly related to the specification and design of quality attributes such as modifiability or performance, to name just a few.

Michael Stal
on Feb 20, 2012
Pattern-Based Architecture Reviews

In this IEEE article, authors Neil Harrison and Paris Avgeriou discuss a pattern-based architecture review (PBAR) process to help with system-wide quality attributes. They also discuss how PBAR approach helps with agile practices like frequent releases, changes for user needs, and lightweight documentation. They illustrate the benefits of PBAR process with a real-world project.

Paris Avgeriou Neil B. Harrison
on Feb 14, 2012
Interview: Software Systems Architecture: Working With Stakeholders Using Viewpoints and Perspectives

Nick Rozanski and Eoin Woods have continued their journey of building a comprehensive handbook on Systems Software architecture with the publication of the second edition of Software Systems Architecture. InfoQ spoke to the authors on a couple of new topics, the System Context viewpoint and Agile, that are covered in the latest edition.

Jeevak Kasarkod
on Feb 07, 2012
Interview and Book Excerpt: Service Design Patterns

"Service Design Patterns" catalogs design patterns that cover the entire lifecycle of web services. This book is the latest addition to the Martin Fowler signature series which also contains a section on consumer driven contracts contributed by Ian Robinson. InfoQ talked to Rob Daigneau, the author of the book, regarding various topics related to the core idea behind "Service Design Patterns".

Jeevak Kasarkod
on Jan 20, 2012
Codesign Challenges for Exascale Systems: Performance, Power, and Reliability

In this IEEE article, authors talks about how a codesign methodology using modeling can benefit exascale computing systems with improved performance, power efficiency, and reliability. The five factors discussed in the codesign process are algorithms, application, programming model, runtime system, and hardware architecture.

Kevin J. Barker Abhinav Vishnu Darren J. Kerbyson Adolfy Hoisie
on Jan 17, 2012
Software Engineering Meets Services and Cloud Computing

In this IEEE article, authors Stephen Yau and Ho An talk about application development using service-oriented architecture and cloud computing technologies. They also discuss application development challenges like security in a multi-tenant environment, quality-of-service monitoring, and mobile computing.

Stephen S. Yau Ho G. An
on Jan 04, 2012
The Rise of Application Analytics: A New Game Demands New Rules

When developers know how their applications are really being used “in the wild,” they will build better software, more efficiently, and with greater confidence. Sebastian Holst shows you how using application analytics.

Sebastian Holst
on Dec 27, 2011
Succeeding with Dependency Injection

While the principal pattern is easy to understand it can be difficult to succeed with Dependency Injection without considering the larger context. DI is an application of the principle of Inversion of Control and to succeed with IoC you’ll also need to invert your thinking. This article provides a sketch of the mental model you need to adopt to succeed with DI.

Mark Seemann
on Dec 19, 2011

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