Next Generation Applicationwcf
Dot Net (.Net), a software language; give software designers a new platform to work on
. It brought along with it so many advantages that web application development is no more a herculean task. Hence, further advancements continued in the arena and here, come two new applications that work on .NET framework. These are WCF and WCP. They become popular with the name of Next Generation Applications.
WCF, Windows Communication Foundation, serves as a unique framework for building service-oriented web development. It is helpful in sending data as a synchronous message from one service endpoint to another, where endpoint can be a client of a service. These messages can be simple or complex. These services may be a secured service to process business transactions, a service to supply current data, a chat service to allow people to communicate, a dashboard application to present data in logical presentation, etc.
WCF is formulated to offer manageable approach to designing of web solutions. It contains a set of features. A few of them are as follows:
Interoperability: It implements modern industry web standards for web service interoperability.
Multiple Message Patterns: It helps exchanging of messages among different patterns. There are different patterns, such as reply/request pattern, one-way message pattern, duplex exchange pattern, etc, each allowing exchange of data in a specific format.
Security: The messages are encrypted to provide protection to privacy. A user is asked to authenticate before an access is allowed to him/her. Thus, it implements security using well known security standards, such as WS- Secure Conversation or SSL.
Data Contracts: As said above that WCF is made using .NET framework, it consists of code-friendly methods of supplying contracts. Its framework uses comprehensive system to work on data in easy manner. Once the classes are created, metadata is automatically generated to allow customers to comply with data types designed.
Durable Messages: The message in this pattern is not lost due to disruption in communication. Message can be easily resumed from database, when connection is resumed after disruption.
Extensibility: WCF architecture has many extensibility or entry points, which permits customer to customize a services behavior.
Service Metadata: WCF supports service metadata using formats defined by industry standards, which may be XML Schema, WSDL and Ws-Policy. This metadata can be helpful in automatically generating and configuring customer for accessing WCF services.
Transaction: WCF is also used in supporting transactions, using any of the three models: Microsoft Distributed Transaction, WS-Atomic Transactions and the APIs in the System.
Service-oriented applications: WCF helps in creating service-oriented applications, whose architecture depends upon web services to send and receive data. The major advantages of these applications or web solutions is that they are loosely-coupled, which means that a client on platform can connect to any services, subject to necessary contract standards.
In addition to these, there are several more features, like Reliable and Queued Messages, Multiple Transports and Encodings, etc that helps in software development to serve its customers, as per his/her requirements.
Notable web development providers have started developing WCF application to help their clients in numerous ways.
by: shriv
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