Server Consolidation Through Virtualization with Quad-Core Intel^® Xeon^® Processors

Traditional server consolidation achieves cost reduction through consolidation of hardware and software but often compromises performance, availability and agility. Server consolidation using virtualization technology offers simplified architecture while reducing... costs and enhancing agility and flexibility of an enterprise. This paper showcases the benefits of virtualization using Quad-Core Intel^® Xeon^® processors to consolidate servers and reduce total cost of ownership.

SOA: The missing link between Enterprise Architecture and Solution Architecture

Enterprise Architecture (EA) ensures business-IT alignment. Service-Oriented Architecture (SOA) bridges the gap between business and IT through well defined, business aligned services....

The objectives of EA and SOA are quite similar. However, while EA is a framework that covers all dimensions of enterprise IT architecture, SOA provides an architectural strategy that uses the concept of a 'service' as the underpinning business-IT alignment entity. This article highlights the dependencies between an EA framework and an SOA strategy from an artifact point of view.

This article appeared in the SETLabs Briefings on 'Implementing Service-Oriented Architecture' (April - June, 2007).

SOA: A Perspective on Implementation Risks

Enterprises are gravitating towards Service-Oriented Architecture (SOA) to redesign their IT for the future. As with all other technologies, the adoption of SOA involves risks. These risks often manifest themselves during an SOA solution implementation and... arise primarily due to insufficient detailing in the design of the SOA. This paper identifies some of the risks across different viewpoints of an overall SOA-based enterprise architecture. Awareness of these risks can help designers and architects adopt appropriate measures to continuously evaluate and mitigate them.

Enterprise Architecture - A Governance Framework: Part I - Embedding Architecture into the Organization

While the dimensions of defining an enterprise architecture model - business, information, application and technical - have been fairly well established over the last few years, there is much less clarity on how to govern enterprise architecture. Our experience indicates... that governance is not only more difficult to get right but also determines the impact of the architecture team to a far greater degree. We describe and manage this governance along six dimensions.

Enterprise Architecture - A Governance Framework: Part II - Making Enterprise Architecture Work within the Organization

We examine why making enterprise architecture work means more than just developing the right content. It requires a defined governance framework, which is the key to effective enterprise architecture. Infosys' governance framework helps organizations... assess their performance and chart a continuous improvement course that deepens the impact of their EA program and ensures that it delivers the promised business value.

Performance Engineering and Global Software Development

The need to achieve system performance in a way that reduces risk and improves cost-effectiveness and time-to-market for performance-critical systems is one of the principal goals of IS organizations. It requires a holistic and quantitative approach to performance,... without compromising on other system qualities such as flexibility, maintainability, reliability and usability. Infosys has put into practice such an approach by combining practices in performance engineering with client delivery experience. Adapted to ensure collaboration among globally-distributed application development teams, it combines performance modeling with benchmarking, tuning and optimization to deliver high-performance systems.

Enterprise Application Performance Management: An End-to-End Perspective

Performance management of enterprise applications is the key to maximizing returns on IT investment. With rapidly evolving technology, continued improvements in performance management and establishing baseline metrics is important to the sustenance of key infrastructure elements. This article appeared in the SETLabs Briefings on 'Enterprise IT Perspectives' (Oct - Dec, 2006).

 

Designing Global Applications: Requirements and Challenges

This paper explores various business drivers for globalization and examines the nature of globalization requirements for software products and applications. It discusses the typical globalization challenges that must be addressed before building global applications.

Designing an Enterprise Application Framework for Service-Oriented Architecture

Service-Oriented Architecture (SOA) aims to create agile enterprises with flexible IT systems that quickly adapt to changes in the dynamic business environment. Drawing on experience gained from designing the Infosys Radien Framework, this paper illustrates... the building blocks required for designing and implementing applications using SOA concepts. Using a systematic requirements-driven approach, it guides application architects and developers in developing an enterprise application framework for SOA from concept to design and implementation levels.

Threat Modeling in Enterprise Architecture Integration*

Enterprise architecture integration has matured to enable information sharing across geographies and platforms. It has also become very complex. As a result, vulnerability analysis is crucial to assess and safeguard against threats. *This article appeared in the SETLabs Briefings on 'Enterprise Architecture and Business Competitiveness' (Oct-Dec, 2004).

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