Back story Hi, please bear with me on this long blog post. There is lots to explain and the topic is not a easy one. In the last 3 months my team and I struggled with a problem in our SOA solution. We have a business requirement that requires that we need to service 250 concurrent connections… Read More »
In this post I will explain at high level the concept of policy based configuration and I will be providing a POC. Anyone that has ever worked with WCF in a proper scaled application with many many micro services must know about the pain of maintaining the configuration files, I am now not only referring to… Read More »
WCF provides the developer with the means of extending the service model through the use of behaviors. The behaviours get defined by four interfaces types. IServiceBehavior, IEndpointBehavior, IContractBehavior and IOperationBehavior. All of these interfaces follow the same template which allows the developer to inject, alter or validate values before dispatching a call. The order in which the methods are called is Validate, ApplyDispatchBehavior and… Read More »
The following example uses an active security token service (A-STS) that issues tokens using the WS-Trust standard. The type of STS discussed in this post is called a Active STS OR A-STS, it refers to the client that is actively in control of its own authenticated state. This client will typically have its own login window build into the… Read More »
As I stated earlier in a post; “WCF is version tolerant it does not have specific version support. It will adjust the data contracts according to what the client and service is expecting.” The IExtensibleDataObject is the key to have version tolerance. The Microsoft site states the following about this interface. The IExtensibleDataObject interface provides a single… Read More »
How do you know if a WCF service is up and running if all you have is the channel and you don’t actually have access to the real proxy? The ICommunicationObject Interface provides you with a solution for this exact problem as it provides the developer with a abstract way to open, close and check the state of connections.