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POHow do I configure a C# web service client to send HTTP request header and body in parallel?
 

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  1. POHow do I configure a C# web service client to send HTTP request header and body in parallel?
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    <p>I am using a traditional C# web service client generated in VS2008 .Net 3.5, inheriting from SoapHttpClientProtocol. This is connecting to a remote web service written in Java.</p> <p>All configuration is done in code during client initialization, and can be seen below:</p> <pre><code> ServicePointManager.Expect100Continue = false; ServicePointManager.DefaultConnectionLimit = 10; var client = new APIService { EnableDecompression = true, Url = _url + "?guid=" + Guid.NewGuid(), Credentials = new NetworkCredential(user, password, null), PreAuthenticate = true, Timeout = 5000 // 5 sec }; </code></pre> <p>It all works fine, but the time taken to execute the simplest method call is almost double the network ping time. Whereas a Java test client takes roughly the same as the network ping time:</p> <pre><code>C# client ~ 550ms Java client ~ 340ms Network ping ~ 300ms </code></pre> <p>After analyzing the TCP traffic for a session discovered the following:</p> <p>Basically, the C# client sent TCP packets in the following sequence.</p> <pre><code>Client Send HTTP Headers in one packet. Client Waits For TCP ACK from server. Client Sends HTTP Body in one packet. Client Waits For TCP ACK from server. </code></pre> <p>The Java client sent TCP packets in the following sequence.</p> <pre><code>Client Sends HTTP Headers in one packet. Client Sends HTTP Body in one packet. Client Revieves ACK for first packet. Client Revieves ACK for second packet. Client Revieves ACK for second packet. </code></pre> <p>Is there anyway to configure the C# web service client to send the header/body in parallel as the Java client appears to?</p> <p>Any help or pointers much appreciated.</p>
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    1. USChristopher
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      1. POHow do I configure a C# web service client to send HTTP request header and body in parallel?
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    1. COCan you sniff the http headers for the .Net request and the java request and compare them? (And I guess the java client uses the same proxy)
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      1. POHow do I configure a C# web service client to send HTTP request header and body in parallel?
      1. USMikael Svenson
    2. COsorry, when i say proxy i mean as in a a proxy class, rather than an http proxy
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      1. USChristopher
    3. COedited text to remove references to 'proxy' and replace with 'client'
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      1. USChristopher
 

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