Sriram Anand

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Top Stories by Sriram Anand

Service-oriented architecture (SOA) and Web services are being critically considered by most organizations today in some form or another. The adoption of SOA and Web services has gained momentum after the standardization of various aspects such as security, business process coordination, transaction management, communication protocol, registration and discovery, etc. However, one notable and practical aspect of designing, implementing, and managing services has not been tackled at a specification level. This aspect is related to the management of change and interface versions. Real-world business and infrastructure services will be dynamic and subject to change due to various issues that may range from a business rules change to service-level improvement. It is a challenging problem to manage services whose interfaces are changing, especially in the situation where t... (more)

Towards Legacy Enablement Using SOA and Web Services

Legacy systems are a core asset at many organizations. These legacy systems have been around for decades and have a very critical impact on day to day business processes. However, owing to a variety of reasons, these legacy systems have high TCO and represent a bottleneck towards the emergence of an agile IT portfolio. In this article we'll focus on a variety of options that may be available for the seamless integration of legacy systems with an enterprise IT portfolio. We converge on legacy enablement using Web services as a viable option towards achieving an integrated, agile a... (more)

The Business Value of SOA-Based Agile IT Architectures

Agile IT systems are systems that are malleable enough to address business uncertainties. Such systems can effectively respond to internal and external stimuli in a very short period of time. Flexible IT systems imply that the IT architecture underlying them is itself flexible and lends itself to incorporating changes in a dynamic fashion. Architectural approaches such as Service Oriented Architecture (SOA) are transforming the way IT systems are designed by bringing in a high degree of reuse and loose coupling of applications. IT architectures include the technology, strategies... (more)

Building Blocks of SOA Governance

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. Defining IT Governance The IT Governance Institute defines IT gove... (more)

Managing Enterprise Data Complexity Using Web Services: Part 2

Enterprises are increasingly feeling the need for shorter lead time for decision making, the need to extract and present KPI (Key Performance Indicators) to management, and the need for enhanced response capability. These business needs are not in sync with the technological challenges such as the presence of heterogeneous technologies and disparate enterprise systems (e.g., ERP, SCM, CRM, etc.). This situation gets complicated with the increasing number of mergers and acquisitions resulting in the various business units within an enterprise having their own data warehouses. Addi... (more)