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.Net Remoting by James Stone What is .Net Remoting? Remoting is a technology that allows .NET applications to communicate. Same machine, across a network, or the Internet. Similar technologies: COM+, Direct TCP/IP socket connections, UDP diagrams, MSMQ messages, Web Services via http, SOAP Remoting Terminology Marshalling – the communication between a host and a client. Sink - an object that allows custom processing of messages during remote invocation. Channel – an object that transports messages across remoting boundaries Remoting Terminology Remotable object – the object that can be marshaled across application domains. Formatter – an object that is responsible for encoding/decoding and serializing data into messages. AppDomain – an Application Domain, a .NET concept for a unit of isolation for an application. System.Runtime.Remoting RemotingConfiguration class: configures the remoting infrastructure. RemotingServices class: provides methods for using and publishing remotable objects. ObjRef class: generates a proxy, activates, and communicates with a remote object. Distributed Application Development Technology In .NET, Enterprise Services are services in unmanaged code known as COM+ services. UDP (User Datagram Protocol): less reliability (i.e., picture quality) in return for performance (i.e., higher frame rates). Designers of distributed systems often need to communicate between two systems that are not running simultaneously. .NET Remoting is meant to replace DCOM. .NET Remoting and Web Services .NET Remote objects can access remote resources without the overhead of SOAP based Web Services. .NET Remoting is easier to use than Java’s RMI (Remote Method Invocation), but more difficult than creating a Web Service. The remoting system is flexible and easily customizable. Remoting system assumes no particular application model. Web services provide a standards-based, open communication medium. .NET Remoting Tips Binary serialization over TcpChannel is most efficient. XML and SOAP serialization over HttpChannel is most interoperable. Use HttpChannel with BinaryFormatter for applications spanning multiple hosts. .Net Remoting Resources What is .NET Remoting? .NET Remoting questions and answers .NET Remoting Use-Cases and Best Practices .NET Remoting versus Web Services .NET Remoting - Part I... .NET Remoting - Part II... .NET Remoting - Part III/IV... .Net Remoting Resources IIS remoting server and ASP.NET client An Introduction to the Microsoft .NET Remoting Framework Sample Chapter from Microsoft® .NET Remoting by Scott McLean, James Naftel and Kim Williams On the road to Indigo - Is .NET Remoting Dead? [Updated] Lutz Roeder's .NET Reflector - a must have for .NET development. .NET Exception Information - error codes and their meaning.