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POMost efficient solution for sending large Xml strings over WCF?
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copied!<p>I need to send and receive objects that contain a few small fields, plus one large Xml string, via WCF, like so:</p> <pre><code>[DataContract] public class ServiceResponse { [DataMember] public int Id { get; set;} [DataMember] public string Xml {get; set;} } </code></pre> <p>I must use an Http based binding, but the service is internal, so contract dlls will be shared. The Xml string could reach a few MB. The service allows transfer of data between servers via the client machine, so the first client call retrieves a large lump of Xml, saves it to local disk, then a second call transfers the data from disk to another service instance on some other box somewhere else. So the client literally saves the data and forwards it, no logic or processing at all.</p> <p>I need the most efficient mechanism - meaning small payload, and fast - for sending these objects. </p> <p>Some questions:</p> <ul> <li>What is the most efficient way of sending a large chunk of Xml in a payload?</li> <li>Is there any advantage in serializing the object to a <code>MemoryStream</code> before sending across the wire using a <code>BinaryFormatter</code> and then using a <code>Stream</code> type as the parameter in the service operation?</li> <li>For messages of a few MB, does using a <code>Streamed</code> transfer mode make any difference?</li> </ul> <p>I can't use third party libraries like Protobuf-net (sadly).</p> <p>Appreciate any advice... </p>

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