InfoQ Homepage Infrastructure Content on InfoQ

Articles

RSS Feed

Newer Older

Architectural Decisions as Reusable Design Assets

Service-Oriented Architecture Decision Modeling (SOAD) framework helps to capture the recurring architectural decisions and use them to guide design in related projects. In this IEEE article, author Olaf Zimmermann discusses this decision-centric approach to guiding the design work. He also talks about the two model types in SOAD metamodel, the guidance models and the decision models.

Olaf Zimmermann
on Mar 25, 2011
Meet the Goliath of Ruby Application Servers

PostRank Labs released an open source version of their Ruby web server framework powering PostRank. Goliath, is an asynchronous server designed for speed, leveraging key features of Ruby 1.9+. Goliath creates fast web and data services not unlike node.js but sticking with what Ruby developers know..Ruby. Discover how easy it can be to create manageable server-side services with Ruby.

Robert Bazinet
on Mar 21, 2011
The Top Five Challenges of Building Software Platforms in the Agile World

When scaling Agile to the enterprise new concerns arise that require revisiting the values and practices of Agile software development. One such concern relates to a common strategy to achieve reuse at the enterprise level - building software platforms. This article lists the top five challenges that an Agile organization should expect to face when deciding to adopt a software platform strategy.

Yaser Ghanam
on Mar 07, 2011
Concurrency Controls in Data Replication

Learn about leading concurrency control mechanisms used for data replication in distributed environments, comparing synchronous and asynchronous implementations with/without locking - techniques used by Oracle RAC, TimesTen, and GigaSpaces and NoSQL databases. Explore tradeoffs among performance, consistency, deadlocks, and conflicting updates in the context of a sample distributed application.

Yongjun Jiao
on Mar 01, 2011
Implementation Decision Rationales – Program Comprehension in Agile

Given the fact that the bulk of a developer's work is maintaining and enhancing existing code, Fabian Kiss makes the case for a lightweight approach to documenting the rationale and decision process behind design decisions to help later developers tie the source code syntax to its meaning in the application domain. Using simple tags and clearly thought out rationale to provide just-enough value.

Fabian Kiss
on Feb 28, 2011
Concrete: Rich, Customizable DSL Editors for the Browser

Text-based DSLs are useful, an custom editor for the DSL is even better. Concrete allows to build customized editors for JSON-based DSLs/Models. InfoQ talks to Concrete's creator Martin Thiede.

Werner Schuster
on Feb 24, 2011
The Azul Garbage Collector

Azul's recently announced Zing product brings their Garbage Collector, which achieves both pauseless garbage collection and a high tolerance to the factors which typically impact collection and application responsiveness, to Java programs running on Intel and AMD based servers. This article takes a detailed look at how Azul has been able to achieve these design goals.

Charles Humble
on Feb 24, 2011
Agile Contracts

The traditional Waterfall model fits nicely with the way companies buy things: requirements are drawn up, a supplier quotes a price, and everyone signs a legally binding agreement. Contracts written this way seldom offer the freedom to work using an Agile approach. This article examines four separate models available to suppliers and customers for establishing contracts for Agile work.

Allan Kelly
on Feb 08, 2011
Book Excerpt and Interview: 100 SOA Questions Asked and Answered

A new "100 SOA Questions Asked and Answered " book by Kerrie Holley and Ali Arsanjani provides a deep insight into SOA covering a wide spectrum of topics from SOA basics to its business and organizational impact, to SOA methods and architecture to SOA future. InfoQ spoke with Kerrie Holley and Ali Arsanjani about their book.

Boris Lublinsky
on Feb 02, 2011
Using Apache Avro

Boris Lublinsky presents an introduction to AVRO and evaluate its usage for Schema componentization, inheritance and polymorphism. He also discusses backward compatibility issues and AVRO solutions for this problem.

Boris Lublinsky
on Jan 25, 2011
Asynchronous, Event-Driven Web Servers for the JVM: Deft and Loft

Asynchronous, event-driven architectures have been gaining a lot of attention lately, mostly with respect to JavaScript and Node.js. Deft and Loft are two solutions that bring "asynchronous purity" to the JVM.

Dio Synodinos
on Jan 24, 2011
IT And Architecture: Inside-Out Perspectives

The software industry is in disarray, costs are escalating, and quality is diminishing. Promises of newer technologies and processes and methodologies in IT are still far from materializing on any significant scale. Bruce Laidlaw and Michael Poulin - each with more than 30 years of experience compared notes on the past and present of IT and provide insights on what IT needs to make progress.

Bruce Laidlaw Michael Poulin
on Jan 03, 2011

Newer Articles

Older Articles

InfoQ Software Architects' Newsletter

Articles