InfoQ Homepage Architecture & Design Content on InfoQ

Articles

RSS Feed

Newer Older

InfoQ Case Study: NASDAQ Market Replay

In this case study InfoQ reviews the usage of Adobe AIR and Amazon Simple Storage Service (S3) in the NASDAQ Market Replay application. NASDAQ Market Replay provides a NASDAQ-validated replay and analysis of the activity in the stock market. The combination of S3 and AIR offers a powerful deployment model with little internal infrastructure required.

Jon Rose Claude Courbois
on Jun 09, 2008
Scalability Best Practices: Lessons from eBay

eBay Distinguished Architect at eBay Randy Shoup explains eBay key scalability practices of partitioning, horizontal scale, avoiding XA, asynchronicity, and virtualization. eBay has hundreds of millions of users, over a billion page views a day, and petabytes of data in their systems.

Randy Shoup
on May 27, 2008
ESB Topology Alternatives

In this article, Adrien Louis discusses the pros and cons of two topology alternatives for ESB-based SOAs: A single ESB for the company vs. a system of "departmental" ESBs that are connected to each other. Adrien describes how the alternatives affect issues such as administration, business monitoring, governance, reliability, and orchestration.

Adrien Louis
on May 23, 2008
Scalability Principles

At the simplest level, scalability is about doing more of something. This could be responding to more user requests, executing more work or handling more data. This article presents some principles and guidelines for building scalable software systems.

Simon Brown
on May 21, 2008
Creating Product Owner Success

The role of the Scrum Product Owner is powerful, but challenging to implement. Success can bring a new and healthy relationship between customers/product management and development, even competitive advantage, but it comes at a price: organizational change is often required. In this article Roman Pichler looks at what it takes to succeed as a Product Owner.

Roman Pichler
on May 14, 2008
Culture & Methods

Distributed Version Control Systems: A Not-So-Quick Guide Through

Since Linus Torvalds presentation at Google about git in May 2007, the adoption and interest for Distributed Version Control Systems has been constantly rising. We will introduce the concept of Distributed Version Control, see when to use it, why it can be better, and have a look at three actors in the area: git, Mercurial and Bazaar.

Sebastien Auvray
on May 07, 2008
Fine Grained Versioning with ClickOnce

ClickOnce makes it easy to deploy WinForms applications. But while it has some versioning support, it has no built in way to deliver different versions to different people. This makes partial rollouts to a test audience difficult. David Cooksey shows how to fine grained versioning to a ClickOnce deployment using an HttpHandler written with ASP.NET.

David Cooksey
on May 06, 2008
Implementing Manual Activities in Windows Workflow

Windows workflow is an excellent framework for implementing business processes. One thing that is missing in it is direct support for human activities. Several approaches to solving this problem exist, but they are not generic enough for general usage. In this article we will define one of the approaches to a completely generic implementation of human activities in WF.

Boris Lublinsky
on May 05, 2008
Software Development Lessons Learned from Poker

There is no silver bullet. We know it, but don't act like it. Your language, tool or process is better, right? Jay Fields says: "It depends". The right choices varies with context, people, and more. This article touches upon how a lot of things must impact a choice; learning culture, skill levels, teamwork, incomplete information, metrics - and context.

Jay Fields
on Apr 26, 2008
InfoQ Interviews BPEL4People Representatives

In another "virtual panel session", we took the opportunity to talk with representatives of the new OASIS BPEL4People Technical Committee and get their feedback on just why we need this work. Apart from asking them what BPEL4People (and WS-HumanTask) are all about, we asked them how this relates to other BPMN efforts and what else we can expect in this area.

Mark Little
on Apr 24, 2008
Building Domain Specific Languages on the CLR

In his latest article Ayende Rahien introduces internal DSLs as a means of creating Domain-Specific Languages without having to deal with the complexity of designing a completely new language. He compares different .NET languages as suitable host languages for DSLs and presents Boo as an ideal candidate due to its meta programming facilities, flexibility, and performance.

Ayende Rahien Oren Eini
on Apr 21, 2008
A Look at Ruby Debuggers

A misconception lingers in the Ruby world: Ruby has no debugger. This is blatantly wrong - Ruby has debuggers, GUIs for debuggers and APIs for debuggers. InfoQ takes a close look at the state of debugging tools in the Ruby world - and finds that its debugging support is more than sufficient.

Werner Schuster
on Apr 19, 2008

Newer Articles

Older Articles

InfoQ Software Architects' Newsletter

Articles