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History and Overview of WCF
During the past decade, a lot of research has been done in the field of distributed computing. Microsoft and other leading vendors have come up with various distributed technologies. Each of the...
View ArticleWCF Programming Model
SO or OOWhen developing WCF services, which do you use? Do you use a service-oriented approach or an object-oriented approach to developing a WCF solution? The answer is, both. Simply put,...
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Messaging Patterns in WCF
Messaging Patterns:Messaging patterns basically describe how programs exchange messages. When a program sends a message, it must conform to one of several patterns in order for it to successfully...
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Channels in WCF
ChannelsA channel is the medium through which messages are exchanged. The channel is created by the client specifying the address of the service and the type of channel to create. Once this information...
View ArticleEndpoints in WCF (Address, Contract and Binding)
Endpoints in WCF or Three major points in WCF (Address, Contract and Binding):Every service must have Address that defines where the service resides, Contract that defines what the service does and a...
View ArticleSession State in WCF
WCF supports the following Session states (and definition):1. Per Call [InstanceContextMode.PerCall]: Use this option if you would like a new Session ID to be assigned to a user for every new call...
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WCF Hosting and Types
WCF service cannot exist on its own; it has to be hosted in windows process called as host process. Single host process can host multiple servers and same service type can be hosted in multiple host...
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WCF Instance Management
WCF framework has provided 3 ways by which we can control the WCF instance creation.1. Per Call2. Per session3. Single instanceIn a normal WCF request and response communication...
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Transactions in WCF
Transactions· A transaction is a collection or group of one or more units of operation executed as a whole.· It provides way to logically group single piece of work and execute them as...
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Asynchronous Pattern in WCF
Problem with Synchronous Calls: Request/Response Message Exchange Pattern1. Client is blocked; this is a problem ifa) Client could do other workb) Server logic takes a long time to...
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