app.config

<?xml version="1.0"?>
<configuration>
  <system.serviceModel>
    <extensions>
      <bindingElementExtensions>
        <add name="gzipMessageEncoding" type="Microsoft.Samples.GZipEncoder.GZipMessageEncodingElement, GZipEncoder, Version=4.0.0.0, Culture=neutral, PublicKeyToken=null"/>
      </bindingElementExtensions>
    </extensions>
    <protocolMapping>
      <add scheme="http" binding="customBinding"/>
    </protocolMapping>
    <bindings>
      <customBinding>
        <binding>
          <gzipMessageEncoding innerMessageEncoding="textMessageEncoding"/>
          <httpTransport/>
        </binding>
      </customBinding>
    </bindings>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <serviceMetadata httpGetEnabled="True"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
  <system.diagnostics>
    <sources>
      <source name="System.ServiceModel">
        <listeners>
          <add name="sdt" type="System.Diagnostics.XmlWriterTraceListener" initializeData="TraceLog.e2e"/>
        </listeners>
      </source>
    </sources>
    <trace autoflush="true"/>
  </system.diagnostics>
</configuration>