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Architecture | Web Services | SOA | Grid Computing
Service Oriented Architecture
SOA: The missing link between Enterprise Architecture and Solution Architecture
Enterprise Architecture (EA) is tasked to ensure Business-IT alignment. Service Oriented Architecture (SOA) is about bridging the gap between Business and IT through well defined, business aligned services.
The objectives of EA and SOA are quite similar. However, whereas 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 will highlight the dependencies between an EA framework & a SOA strategy from an artifact’s point of view.
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SOA is an architecture meant to handle change
Ronald Schmelzer
Ronald Schmelzer, founder of ZapThink, in conversation with Srinivas Padmanabhuni, emphasized that the key value of SOA lies in its ability to address change without re-coding and reconfiguration efforts
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Evolutionary Approach to realizing SOA: A Microsoft Platform example
Ananthalakshmi Vallapuzha and Manish Srivatsava
Organizations today are increasingly looking at SOA as a key business strategy to building an agile enterprise. However, the drivers for adopting an SOA approach and the benefits that organizations seek from the exercise are quite varied. For instance, a large utilities company wanted to be able to extend business services available on their agent desktop to a customer portal using SOA. A government transport agency used SOA to improve its interaction with partners and customers. Other reasons often cited for wanting to adopt SOA are, to improve business flexibility and ability to respond to market changes, and better align IT to business. In this article, we explore an evolutionary approach to realizing SOA on the Microsoft platform.
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Manage SOA transformation effectively with a Technology Competency Center
Shreyas Kamat
As SOA momentum is picking up in the industry, more and more companies are adopting SOA on a larger scale. Also as the SOA hype is slowly undergoing metamorphosis to real world implementations, organizations are realizing there are impediments to a successful SOA adoption and growth. SOA is just not about integration at a platform or an application level but it is a culture change within the organization about how the traditional business-IT interaction happens and a paradigm shift from IT as a 'technology provider' to IT as a 'business enabler.'
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Rich Internet Applications (RIA)
Brijesh Deb, Sunil G. Bannur and Shaurabh Bharthi
Rich Internet Applications (RIA) represent the next transition in the evolution of web applications; they promise the richness, interactivity and usability lacking in many of today's web applications. As with any technological transition, this implies that there are new opportunities to be explored and new challenges to be negotiated.
SOA: Look beyond the myths to succeed
Sohel Aziz
Service-Oriented Architecture (SOA) has been on the IT industry's radar as it offers the promise of a flexible IT architecture. However, certain misconceptions persist about SOA, and skepticism about its effectiveness is widespread. This paper debunks some of the misconceptions and suggests steps for successful SOA implementation.
SOA: A Perspective on Implementation Risks
Sourav Mazumder
Enterprises are gravitating towards Service-Oriented Architecture (SOA) to re-design 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 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 put in place appropriate measures to continuously evaluate and mitigate them.
Towards Enterprise Agility through Effective Decision Making
Sriram Anand & Jai Ganesh
Facilitating the executive decision making process through innovative use of emerging technologies, pays rich dividends. The authors propose an Enterprise Digital Dashboard architecture framework, which builds on the concepts of Web Services and shared data services.
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ESB - A bandwagon worth jumping on
Bijoy Majumdar, Terance Dias, Ujval Mysore
Most ESB critics say that the ESB is nothing but a glorified integration platform which has already existed for some time now in the form of EAI tools; and that most people are just jumping on this "bandwagon" without actually understanding that it has got nothing new to offer. In this paper we put forth our views on why an ESB is a preferred platform for integration of services for enterprises that are aiming to achieve Service Oriented Architecture and what makes it "Abandwagon worth jumping on".
Dayasindhu N, Srinivas Padmanabhuni, Sriram Anand
Web Services Journal, January 2006 Issue
SOA initiatives have gathered momentum in the past year with more enterprises either implementing SOA or considering implementing in the near future. The implementations we studied reveal that one of the critical challenges in SOA is designing an effective governance mechanism. A good understanding of governance concepts is essential to implementing and operating a successful SOA. Reliable governance for SOA leads to a manifold increase in an enterprise's ability to achieve the goal of business agility through SOA. In this paper, we take a multi-faceted look at issues in SOA governance, and propose an overarching framework.
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