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Web Services:-

 

Web Services are becoming the primary way in which business processes are exposed and accessed in the enterprise. As these processes are exposed, it will become easier for organizations to integrate their business operations with those of their partners. At the same time, portals have rapidly emerged to become the Web user interface of choice for accessing enterprise-wide heterogeneous data and applications. It is a natural fit, then, for portals to become the main user interface for interacting with Web Services-based business processes both inside and outside the enterprise. By making business processes more accessible to internal users, customers and trading partners, portals put a "human face" on put a "human face" on put a "human face" on put a "human face" on Web services. As portal technology proliferates throughout the enterprise and offers increasing functionality to users, portal creators need to understand the impact that Web Services and underlying standards have on the portal design and development process

 

Web services are Internet-based, modular applications that provide standard interfaces and communication protocols for efficient and effective "business application integration". Typical application areas are business-to-business integration, business process integration and management, content management, e-sourcing, composite Web Service creation, and design collaboration for computer engineering. Currently, Web services to define standard interfaces for business services like "business process outsourcing", a higher level outsourcing mode of e-business on demand.

 

Web Services will be the glue that will enable the cost-efficient integration required by the SMB community. using Web Services to broaden its market reach by allowing its numerous partners- themselves typically small businesses- to enhance their offerings by seamlessly integrating to its back-end CRM, CMS, emarketing and ecommerce systems.

Automated resources accessed via the Internet. Web services are software-powered resources or functional components whose capabilities can be accessed at an internet URI. Standards-based web services use XML to interact with each other, which allows them to link up on demand using loose coupling.

Business definitions of web services:-
It's wrong to believe that web services mean everything will be done on the server and every client will be dumb, as this article from SD Times points out. But there is an extra twist I would like to add. All the excitement about thin clients came because people were fed up with the many headaches involved in managing complex clients, and centralizing everything seemed to be an answer to that. In fact it wasn't, but it gave a strong clue to what users really want — they want all the benefits of rich clients with none of the management overhead of fat clients. The only way to achieve that is to deliver rich functionality to fat clients, but to manage them from the center. Fortunately, web services (combined with P2P and grid computing concepts) enable that.
Two competing definitions of web services, one founded in technology, the other focussing on the business angle, appended to an article in April's Business 2.0:

"Web services access programmatic functionality over open protocols using XML and HTTP ..."

"A Web service is a piece of functionality taken from a company's business processes or infrastructure ... made accessible over the Internet ..."

We much prefer the second, even though it's less formally precise than the first. Unfortunately, it's the first type which we hear the most often, prescribing specific implementations of web services architecture before anyone's even finalised the business case for the technology. So all credit then to Phillip Merrick, CEO of WebMethods, for using language that moves beyond the underlying technologies to the nub of the business case.

We'll adapt his language a little more, to arrive at the following definition:

Web services are slices of a business that it publishes to others using the Web.

The body of the Business 2.0 article is full of examples of businesses that have done just that. We think it brings home something that We mentioned previously in the context of writing about Grand Central. These early web services adopters aren't truly doing systems integration or application integration. They're doing business integration. Web services enables them to achieve this by publishing elements of their business in real-time to partners or customers.
 

 

 

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