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CAP and Cloud Data Management

In this article, author Raghu Ramakrishnan discusses data management in the cloud and the tradeoff between consistency, availability and partition tolerance aspects of CAP theorem, which has become a key design factor in large scale data management systems. He also talks about Yahoo PNUTS system case study and concepts of Relaxed and Timeline consistency and Selective record replication.

Raghu Ramakrishnan
on Sep 14, 2012
Transitioning from RDBMS to NoSQL. Interview with Couchbase’s Dipti Borkar

While relational databases have been used for decades to store data, and they still represent a viable solution for many use cases, NoSQL is being chosen today especially for scalability and performance reasons. This article contains an interview with Dipti Borkar, Director of Product Management at Couchbase, on the challenges, benefits and the process of migrating from RDBMS to NoSQL.

Abel Avram
on Sep 08, 2012
SaaS-ify Legacy Applications

Legacy applications can be difficult to move to the cloud, yet you may want to include them in your IT-as-a-Service strategy. This article discusses an approach to wrapping legacy applications for delivery as Software-as-a-Service.

Chen Ping
on Sep 06, 2012
Automated Error Reporting: The Gateway to Better Quality

Ignorance might be bliss, but it goes straight to the bottom line when it comes to software bugs. Those who can ferret out bugs and improve the quality of their software will be rewarded with greater customer trust, higher renewal rates, lower maintenance costs, and fewer opportunities for the competition. Laila Lotfi explains how automated error reporting aids in this endeavor.

Laila Lotfi
on Aug 28, 2012
The Pragmatic Architect - To Boldly Go Where No One Has Gone Before

In this article, author Frank Buschmann talks about the architectural importance of the interaction between system components than within the components. He discusses three secrets of pragmatic architects: Uncover Hidden Domain Concepts, Be Where Things Meet and Use Uncertainty as a Driver.

Frank Buschmann
on Aug 24, 2012
Continuous Mobile Application Testing

Given the onslaught of mobile devices and apps into the SDLC, fingers and eyeballs seem to be the only way apps can be tested right now. But manual testing drastically slows down the development process, leaves a huge margin for error, and ultimately lowers the team’s ability to release quality software in a short amount of time. Dan Bartow of SOASTA hopes to offer something better.

Dan Bartow
on Aug 21, 2012
Do we really need identity propagation in SOA and Clouds?

Identity Propagation through Single Sign-On(SSO) has been assumed to be a panacea for all identity issues in SOA and Clouds. In this article, Michael Poulin raises questions around the business feasibility of propagation and proposes a delegate model of representation instead.

Michael Poulin
on Aug 20, 2012
Interview with Arun Murthy on Apache YARN

Apache Hadoop YARN – a new Hadoop resource manager - has just been promoted to a high level Hadoop subproject. InfoQ had the chance to discuss YARN with Arun Murthy - founder and architect at Hortonworks.

Boris Lublinsky
on Aug 17, 2012
Mule ESB 3.3 Release and CloudHub

MuleSoft, the company behind Enterprise Service Bus (ESB) product Mule, recently released version 3.3 of the product. The new version's focus is to combine data integration with Mule's application integration capabilities and to deliver a solution for on-premise or cloud integration for developers. InfoQ spoke with Ross Mason and Daniel Feist about the new features and product roadmap.

Srini Penchikala
on Aug 15, 2012
Don't SCIM over your Data Model

This opinion piece discusses three specific suggestions for improving the SCIM data model: 1. Both the enterprise client and cloud provider should map their internal IDs to a shared External ID, which is the only ID exposed through the API. 2. Multi-valued attributes of a resource must be converted from an array into a dictionary with unique keys. 3. 3 ways to improve the PATCH command

Ganesh Prasad
on Aug 08, 2012
A Brave New World of Testing? An Interview with Google's James Whittaker

Cloud Computing is creating substantial changes to the usual way of doing business. How should organizations leverage this approach to improve testing and quality assurance of software? To get an answer, author Forrest Shull spoke with James Whittaker from Google about cloud computing testing.

Forrest Shull
on Aug 06, 2012
Defending against Web Application Vulnerabilities

In this article, authors discuss the security in software development life cycle and how to defend against web application vulnerabilities using techniques like white-box analysis and black-box testing. They also talk about secure coding practices based on the defense-in-depth approach using three lines of defense: input validation, hotspot protection, and output validation.

Nuno Antunes Marco Vieira
on Jul 27, 2012

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