Techbubbles

Archive of ‘WCF’ category

Impersonation and Delegation in WCF

 

Impersonation is a technique that WCF Services use to authorize the caller’s identity to access to service resources such as files and database tables. Service resources can be located either on local service machine or remotely hosted. The resources are being accessed by WCF Service’s process identity or specific windows identity.

Difference between Impersonation and Delegation […]

How to choose right WCF binding?

Binding in WCF defines how clients can connect with your service. The base class for all bindings in WCF is System.ServiceModel.Channels.Binding. A Binding includes definition for WS-* protocols used, the message encoding and the transport protocol.
The available WCF Bindings are

wsHttpBinding
basicHttpBinding
netTcpBinding
netNamedPipeBinding
netMsmqBinding
wsDualHttpBinding

Related Posts:Impersonation and Delegation in WCFTransport and Message Security in WCFService Orientation vs Object OrientationOData and […]

Transport and Message Security in WCF

This post discusses about transport and message security. In Transport Security user credentials and claims are passed using transport layer. The transport protocols are TCP, HTTP, MSMQ and IPC. Each of these protocols have their own mechanism for passing user credentials. The most common approach is using secure socket layer(SSL) for encrypting the details which […]

Service Orientation vs Object Orientation

Services are good communication technique to use across application and platform boundaries. Service-oriented approach always preferred when you are building a distributed application. Object orientation approach provides a view of what a system should look and effective for producing logical models. Object based approach can fail to consider real-world factors like physical distribution and network […]

WCF 4.5 Features

 
This post discusses the new features in WCF 4.5. There have been significant improvements in WCF 4.5 on configuration.
Simplifying the generated configuration file in client

A client configuration file is generated when you add a service reference in Visual Studio 2010. The configuration files in earlier version of WCF contained the value of every binding […]

WCF Services in Windows Azure

 

What is Windows Azure? Windows Azure provides developers computation power storage and can scale web applications on internet through Microsoft Datacenters. Developers can use Azure platform to build WCF service application using their existing Visual Studio 2010 expertise.

Windows Azure supports the protocols and formats including SOAP, REST and XML. This post discuss about creating […]

WCF AJAX Service Without Configuration

 

This post discusses how to develop Windows Communication Foundation (WCF) service using AJAX and without any configuration settings for WCF. This service can be consumed from Javascript. The service uses a special setting in .svc file which automatically enables an AJAX endpoint.

Related Posts:WCF 4.5 FeaturesWCF Service using MTOM in .NET FW 4Impersonation and Delegation in […]

WCF Service using MTOM in .NET FW 4

 
Web services having a greater interoperability to communicate messages across heterogeneous systems, however challenge is serializing the data into XML. Users may want to send images,videos, drawings, xml documents etc. together with SOAP message. 
What is MTOM?
Message Transmission Optimization Mechanism (MTOM) is a mechanism of transferring transferring large amounts binary data as an attachment to […]

WCF Discovery with UDP

Inorder to call the WindowsCommunicationFoundation service, a port or pipe which assigned to the service must be available and the client must know the address endpoints before calling the services.
If the service could use any available address then client can discover that address at runtime. There is a industry standard-based solution which helps in discovering […]