4 Protecting an Enterprise WCF Service. on the Microsoft Web site at http:// soundofheaven.info WCF Tutorial for beginners - Learn WCF in simple and easy steps starting from basic to PDF Version WCF stands for Windows Communication Foundation. saravanakumar's WCF Tutorial. An elaborate tutorial about the Windows Communication Foundation with hundreds of samples.
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NET framework. It is the goal of this report to provide the reader with basic understanding of what WCF is, why a programmer would choose to use WCF, and. Hosting a WCF Service by Using Windows Process Activation Service Hosting a Service 4 Protecting an Enterprise WCF Service John is deeply involved with NET development, writing courses, building tutorials, and. Interoperability with Microsoft‟s Pre-WCF Technologies. .. shown in Figure 4, an application built on WCF can interact with all of the following: WCF-based.
For more details visit the following link:. A positive integer that limits the number of sessions a ServiceHost object can accept. Protocol Channels. This Restful service will be consumed using client console application. This helper class is used to Store.
It is unified programming model provided in. Net Framework 3. WCF provides a common platform for all. NET communication.
Advantages of WCF. Net Remoting where the client and service have to be.
Small changes in the configuration will make your requirements. In other technology developer has to write the code. Difference between WCF and Web service. Web service is a part of WCF.
WCF offers much more flexibility and portability to develop a service when comparing to web service. Still we are having more advantages over Web service; following table provides detailed difference between them. Web Service. It can be hosted in IIS. One-way, Request- Response are the different operations supported in web service. Serialization namespace is used for serialization.
XML 1. Security, Reliable messaging, Transactions. A WCF Service is composed of three components parts viz,. The endpoint is composed of 3 parts collectively called as ABC's of endpoint as defines below: The endpoints specify an Address that defines where the endpoint is hosted. The endpoints also define a binding that specifies how a client will communicate with the service and the address where the endpoint is hosted. Where is the service? How can we talk to the service?
What can the service do for us? Different bindings supported by WCF. Basic Web service communication. No security by default.
Web services with duplex contract and transaction support. Web services with federated security. Communication directly with MSMQ applications. Communication between WCF applications by using queuing.
Communication between WCF applications on same computer. Supports duplex contracts and transactions. Communication between computers across peer-to-peer services.
Supports duplex contracts. Communication between WCF applications across computers.
The endpoints specify a Contract that defines which methods of the Service class will be accessible via the endpoint; each endpoint may expose a different set of methods. Different contracts in WCF. Service Contract. Service contracts describe the operation that service can provide. For Eg, a Service provide to know the temperature of the city based on the zip code, this service is called as Service contract.
It will be created using Service and Operational Contract attribute. Data Contract. Data contract describes the custom data type which is exposed to the client.
This defines the data types, which are passed to and from service. Data types like int, string are identified by the client because it is already mention in XML schema definition language document, but custom created class or data types cannot be identified by the client e. Employee data type. By using DataContract we can make client to be aware of Employee data type that are returning or passing parameter to the method.
Message Contract. If it is not meeting your requirements then we can create our own message format. This can be achieved by using Message Contract attribute. Fault Contract.
Suppose the service I consumed is not working in the client application. I want to know the real cause of the problem. How I can know the error? For this we are having Fault Contract. Fault Contract provides documented view for error occurred in the service to client.
This helps us to easy identity, what error has occurred. Overall Endpoints will be mentioned in the web.
Creating simple application using WCF. Once you created application you will get default class files including Service. Here IService. This book is very good for beginners. This books covers all the topics in WCF in general.
I will recommend this book, for initial stage of learning. Covering the concepts and details necessary to enable you to build connected solutions, this book offers hands-on guidance for creating the Web services you need to implement robust business applications for Windows.
Teach yourself the essentials of Windows Communication Foundation-one step at a time.
With this practical tutorial, you get hands-on guidance for creating the Web services you need to implement robust business applications for Windows. This is also a very good book. The book covers all the WCF topics in depth while using a lot of examples schemas and screenshots. This is a great book about how to develop WCF services. I really recommend this book, but I like juval's more. You will gain a comprehensive understanding of how to apply the Windows Communication Foundation to almost any distributed computing problem, from enterprise scale to peer-to-peer.