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Key Takeaway Points and Lessons Learned from QCon New York 2012

The first annual QCon New York brought together over 400 team leads, architects and engineering directors. This article summarizes the key takeaways from the event as blogged and tweeted by attendees.

Abel Avram
on Jul 17, 2012
Virtual Panel: NoSQL Database Patterns and Polyglot Persistence

NoSQL database space has different databases that support different data storage patterns. InfoQ spoke with four panelists about the current state of NoSQL adoption, architecture patterns supported by different NoSQL databases, polyglot persistence and security aspects when using NoSQL databases.

Srini Penchikala
on Jul 03, 2012
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
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
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
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
An Implementer’s View of Cloud Computing Readiness Assessments

Are Cloud Computing Readiness Assessments a red herring or a valuable tool to help management decide if the organization is ready to adopt?

JP Morgenthal
on May 21, 2012
How to Integrate Models And Code

While creating models in a form or another is very common, their combination with the code has been challenging. As a result, models are usually thrown away once the implementation has progressed. The reason is partly in the modeling languages used and partly in the tools applied. The article describes proven practices for working with both models and code.

Juha-Pekka Tolvanen
on May 08, 2012
Net-Map - A Toolkit to Understand and Visualise Stakeholder Influence

Net-Map is a tool developed by Eva Schiffer that allows you through interviews to visualise and analyse how different people and groups influence a particular situation. It is of interest to Agile teams as it can help you understand who your stakeholders are, how they are connected and the level of influence they have. InfoQ recently caught up with Eva and asked her a few questions.

Craig Smith
on May 01, 2012
Modeling Failure Scenarios in Systems

The increase in number of integrated systems in today’s enterprise solutions necessitates dealing with dependency and environment failures in a systematic way. By modeling dependency failures at the architecture stage, system response to failures can be communicated, tested and implemented reducing the business risk and cost.

Burag Cetinkaya
on Apr 23, 2012

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