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This article introduces the relevant knowledge of "what is the WCF serialization process". In the actual case operation process, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

Why WCF serializes: Let's start by explaining why serialization is needed. Of course this is not necessary. Only for the data or information type of a specific development platform, when a system or platform needs to interact with other heterogeneous systems or platforms, the two systems need a specific public industry standard that can be shared to support this data information interaction. The language carrier that currently supports this data exchange is XML.

Similarly, WCF as a service-oriented programming framework, one of its goals or characteristics is to achieve cross-language, platform services, and different services for information and data interaction, without limiting the client system or development language. To achieve this goal, WCF services must first address the problem of information delivery and sharing. We know that WCF services and clients can pass. NET data types such as Int, String, etc. But how to implement the delivery of user-defined complex types across service boundaries is a key issue. Data contracts can be published as metadata for services, allowing clients to translate to native language representations. The solution is marshaling, which marshals objects to other platforms. The process of transferring parameters between client and server based on WCF is shown below:

WCF Serialization

Main steps: Serialize parameters to XML infoset on client side--Pass-> Serialize parameters to native type on server side--Execute results-> Serialize results to XML infoset--Pass-> Serialize parameters to native type on client side.

. Net Remoting communication process, the two also have processes and some similarities. The concept of object marshaling is actually involved in. Net Remoting for a long time, remote object (RemoteObject), that is, the object we want to access remotely. First define a Class that inherits MarshalByRefObject, which can be used to support cross-domain boundary access of objects in remoting applications. Read. Net Remoting this article should also have some impression, the difference is that WCF object marshaling is to cross service boundaries,. Net Remoting marshaling is to cross domain boundaries.

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