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DevOps:Evolving to Handle Disruption

With continued concerns regarding IT’s ability to meet the demands of the business in light of disruptive influences and a changing economic landscape DevOps might hold an answer.

JP Morgenthal
on Jun 13, 2012
A Distributed Access Control Architecture for Cloud Computing

Cloud computing’s multitenancy and virtualization features pose unique security and access control challenges. In this article, authors discuss a distributed architecture based on the principles from security management and software engineering to address cloud computing’s security challenges.

Arif Ghafoor Walid G. Aref Abdulrahman A. Almutairi Saleh Basalamah Muhammad I. Sarfraz
on Jun 12, 2012
The Agile Project Manager — Voilà: The Great Reveal

Certified Scrum Master training tells us we must conduct Reviews (aka Demo's) at the end of every Sprint. Rarely do we get guidance on how to have a great Sprint Review. Bob Galen has experienced the bad "Demos" that were only Powerpoint and helped coach them to the level where stakeholders clamoured to attend.

Robert Galen
on Jun 11, 2012
A Look At Elemental Design Patterns

Jason McC. Smith speaks with InfoQ regarding his new book, "Elemental Design Patterns", and details his approach to evolving how design patterns are documented.

Jeff Martin
on Jun 07, 2012
AI, ML & Data Engineering

Data Modeling: Sample E-Commerce System with MongoDB

The rich document capabilities and atomic operation guarantees in MongoDB makes it possible to model many different applications. Even rigorous requirements of conventional applications like e-commerce system are possible in a document database. This data model (i.e. "schema design,") is useful for developing applications around any restricted resource system, not just e-commerce systems.

Christian Kvalheim
on Jun 06, 2012
First Steps in Unit Testing

Unit testing goes hand in hand with other agile practices, so starting to write tests is a stepping-stone for organizations wanting to go agile. The road is long, but is worth taking. In this article, Gil Zilberfeld cover tips on what to expect, and steps to take when starting out in order to make unit testing a part of development life.

Gil Zilberfeld
on Jun 05, 2012
Managing Security Requirements in Agile Projects

Managing security requirements from early phases of software development is critical. Most security requirements fall under the scope of Non-Functional Requirements (NFRs). In this article, author Rohit Sethi discusses how to map NFRs to feature-driven user stories and also how to make security requirements more visible to the stakeholders.

Rohit Sethi
on Jun 04, 2012
CAP Twelve Years Later: How the "Rules" Have Changed

The CAP theorem asserts that any networked shared-data system can have only two of three desirable properties (Consistency, Availability and Partition Tolerance). In this IEEE article, author Eric Brewer discusses how designers can optimize consistency and availability by explicitly handling partitions, thereby achieving some trade-off of all three.

Eric Brewer
on May 30, 2012
Interview with Mathew MacDonald, Author of Pro Silverlight 5 in C#

We spoke with Matthew MacDonald about Silverlight’s role in the developer’s toolbox and how that role is shifting from cross-platform development to line of business applications. Also covered are some of the highlights from Silverlight 5 and a sample chapter on Silverlight animation from his book.

Jonathan Allen
on May 29, 2012
Interview with Simon Baker, Author of No Bull

InfoQ has interviewed Simon Baker, cofounder of Energized Work and the 2009 recipient of the Agile Alliance Gordon Pask Award, author of the "No bull" publication on the past 12 years of Agile.

Marta Jasinska
on May 28, 2012
Writing a Comprehensive Unit Test

A common theme amongst people professing “best practices” for unit tests is that you should only write a single assertion for each test. People who make these proclamations rarely show any unit test and those that do only show one. Yet this pattern may require a dozen other unit tests to ensure quality for even a trivial operation. This article uses examples to question that recommendation.

Jonathan Allen
on May 24, 2012
Designing and Developing Cross-Cutting Features

Every developer has had to integrate with another system, API or component at one point or another. And, often, a business feature must span systems. If you’ve been on a project like this or have one in the pipeline then this article provides strategies to handle the change. Also, this article covers separating system boundaries and what that means for your technical design.

Stephen Rylander
on May 23, 2012

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