Anshuk Pal Chaudhari

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Top Stories by Anshuk Pal Chaudhari

Web Service Description Language (WSDL) represents an IDL describing the contract between the service requestor and the service provider in much the same way that a Java interface represents a contract between client code and an actual Java object. The crucial difference is that WSDL is platform- and language-independent and used primarily (although not exclusively) to describe SOAP services. The WSDL 1.1 specification has been accepted at the World Wide Web Consortium (W3C) and is the predominant version for describing Web Services today. At W3C, work on the next generation of WSDL, i.e., version 2.0, has been under way for some time now. WSDL 2.0 promises to describe not only traditional SOAP Web Services, but also a wide variety of services provided over any network. W3C has published the Candidate Recommendation for WSDL 2.0. WSDL 2.0 is substantially different... (more)

Differential QoS Support in Web Services Management

Web services are gaining acceptance as the prime technology used to interconnect disparate applications and ease interoperability between heterogeneous and autonomous systems both for internal and external integration. The variation of contexts in which shared Web services could be used and the resulting variation in functional and Quality of Service (QoS) requirements motivate extending Web services management platforms with more sophisticated control mechanisms to cater to differentiated service offerings. However, most Web services platforms are based on a best-effort model, ... (more)

Web Service Invocation Framework

The open source initiatives have transformed the technical landscape by leaps and bounds in the past two decades. It has gone a long way toward breaking the stranglehold of monopolistic software companies over technologies. When programmers have the ability to read, redistribute, and modify the source code for a piece of software, the software evolves faster and better. It happens at a speed that is way faster compared to the slow pace of conventional software development. Web Services and Open Source Today there is a glut of choices for developers of software. The choices exten... (more)

Long-Running Transactions in SOA

Most organizations that have tried have been successful in implementing a pliable Service Oriented Architecture (SOA) paradigm. Analysts have come out with strategies to translate existing applications into SOA-compliant systems using a staggered approach. The rewards reaped come in the form of low-cost maintenance and agility in their business, along with reusable and self-contained services. But there are still challenges in this form of service-based architecture and solutions need to be devised. One of the biggest hurdles has been coordinating technology-agnostic services in... (more)