diff --git a/lib/csharp/test/Multiplex/Client/Multiplex.Test.Client.cs b/lib/csharp/test/Multiplex/Client/Multiplex.Test.Client.cs
new file mode 100644
index 0000000..95ba5a4
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Client/Multiplex.Test.Client.cs
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+using System;
+using System.Collections.Generic;
+using Thrift.Collections;
+using Thrift.Transport;
+using Thrift.Protocol;
+using Thrift.Server;
+using Thrift;
+using Test.Multiplex;
+
+
+namespace Test.Multiplex.Client
+{
+	public class TestClient
+	{
+        private void Run()
+        {
+            try
+            {
+                TTransport trans;
+                trans = new TSocket("localhost", 9090);
+                trans = new TFramedTransport(trans);
+                trans.Open();
+
+                TProtocol Protocol = new TBinaryProtocol(trans, true, true);
+
+                TMultiplexedProtocol multiplex;
+
+                multiplex = new TMultiplexedProtocol( Protocol, Constants.NAME_BENCHMARKSERVICE);
+                BenchmarkService.Iface bench = new BenchmarkService.Client( multiplex);
+
+                multiplex = new TMultiplexedProtocol( Protocol, Constants.NAME_AGGR);
+                Aggr.Iface aggr = new Aggr.Client( multiplex);
+                
+                sbyte i;
+                for( i = 1; 10 >= i; ++i)
+                {
+                    aggr.addValue( bench.fibonacci(i));
+                }
+
+                foreach( int k in aggr.getValues())
+                {
+                    Console.Write(k.ToString()+" ");
+                    Console.WriteLine("");
+                }
+            }
+            catch( Exception e)
+            {
+                Console.WriteLine( e.Message);
+            }
+        }
+
+
+        public static void Execute()
+        {
+            TestClient client = new TestClient();
+            client.Run();
+        }
+
+        static void Main(string[] args)
+        {
+            Execute();
+            Console.WriteLine("done.");
+            Console.ReadLine();
+        }
+
+    }
+}
+
diff --git a/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj b/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj
new file mode 100644
index 0000000..6221e14
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Client/MultiplexClient.csproj
@@ -0,0 +1,148 @@
+﻿<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License. You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied. See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{5E91DA17-E548-415F-8C9F-9E84EDF8EE06}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>MultiplexClient</RootNamespace>
+    <AssemblyName>MultiplexClient</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <IsWebBootstrapper>false</IsWebBootstrapper>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <OldToolsVersion>3.5</OldToolsVersion>
+    <UpgradeBackupLocation />
+    <PublishUrl>publish\</PublishUrl>
+    <Install>true</Install>
+    <InstallFrom>Disk</InstallFrom>
+    <UpdateEnabled>false</UpdateEnabled>
+    <UpdateMode>Foreground</UpdateMode>
+    <UpdateInterval>7</UpdateInterval>
+    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+    <UpdatePeriodically>false</UpdatePeriodically>
+    <UpdateRequired>false</UpdateRequired>
+    <MapFileExtensions>true</MapFileExtensions>
+    <ApplicationRevision>0</ApplicationRevision>
+    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <UseApplicationTrust>false</UseApplicationTrust>
+    <BootstrapperEnabled>true</BootstrapperEnabled>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Multiplex.Test.Common.cs">
+      <Link>Multiplex.Test.Common.cs</Link>
+    </Compile>
+    <Compile Include="..\gen-csharp\Aggr.cs" />
+    <Compile Include="..\gen-csharp\BenchmarkService.cs" />
+    <Compile Include="..\gen-csharp\Error.cs" />
+    <Compile Include="Multiplex.Test.Client.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.2.0">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 2.0 %28x86%29</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.0">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.0 %28x86%29</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Windows.Installer.3.1">
+      <Visible>False</Visible>
+      <ProductName>Windows Installer 3.1</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\src\Thrift.csproj">
+      <Project>{499EB63C-D74C-47E8-AE48-A2FC94538E9D}</Project>
+      <Name>Thrift</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+  <PropertyGroup>
+    <PreBuildEvent>rmdir /s /q "$(ProjectDir)gen-csharp"
+del /f /q "$(ProjectDir)ThriftImpl.dll"
+SET OUTPUT_DIR=$(ProjectDir)
+
+SET THRIFT_FILE=$(ProjectDir)\..\..\..\..\..\contrib\async-test\aggr.thrift
+for %25%25I in ("%25OUTPUT_DIR%25") do set SHORT_DIR=%25%25~fsI
+for %25%25I in ("%25THRIFT_FILE%25") do set THRIFT_SHORT=%25%25~fsI
+"$(ProjectDir)\..\..\..\..\..\compiler\cpp\thrift.exe" --gen csharp -o %25SHORT_DIR%25 %25THRIFT_SHORT%25
+
+SET THRIFT_FILE=$(ProjectDir)\..\..\..\..\..\lib\rb\benchmark\Benchmark.thrift
+for %25%25I in ("%25OUTPUT_DIR%25") do set SHORT_DIR=%25%25~fsI
+for %25%25I in ("%25THRIFT_FILE%25") do set THRIFT_SHORT=%25%25~fsI
+"$(ProjectDir)\..\..\..\..\..\compiler\cpp\thrift.exe" --gen csharp -o %25SHORT_DIR%25 %25THRIFT_SHORT%25
+
+</PreBuildEvent>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs b/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..ee234bf
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Client/Properties/AssemblyInfo.cs
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("MultiplexClient")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("MultiplexClient")]
+[assembly: AssemblyCopyright("Copyright © 2013 The Apache Software Foundation")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("66FC61E5-420B-4b56-8012-D6D6CE22537F")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/lib/csharp/test/Multiplex/Multiplex.Test.Common.cs b/lib/csharp/test/Multiplex/Multiplex.Test.Common.cs
new file mode 100644
index 0000000..5296b68
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Multiplex.Test.Common.cs
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// Distributed under the Thrift Software License
+//
+// See accompanying file LICENSE or visit the Thrift site at:
+// http://developers.facebook.com/thrift/
+using System;
+using System.Collections.Generic;
+using Thrift.Collections;
+using Thrift.Transport;
+using Thrift.Protocol;
+using Thrift.Server;
+
+namespace Test.Multiplex
+{
+	public class Constants
+	{
+        public const string NAME_BENCHMARKSERVICE = "BenchmarkService";
+        public const string NAME_AGGR             = "Aggr";
+    }
+}
+
+
diff --git a/lib/csharp/test/Multiplex/Server/Multiplex.Test.Server.cs b/lib/csharp/test/Multiplex/Server/Multiplex.Test.Server.cs
new file mode 100644
index 0000000..fbec1b7
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Server/Multiplex.Test.Server.cs
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+using System;
+using System.Collections.Generic;
+using Thrift.Collections;
+using Thrift.Transport;
+using Thrift.Protocol;
+using Thrift.Server;
+using Thrift;
+using Test.Multiplex;
+
+namespace Test.Multiplex.Server
+{
+	public class TestServer
+	{
+        public interface ITestHandler
+        {
+            void SetServer( TServer aServer);
+        }
+
+        protected class TestHandlerImpl : ITestHandler
+        {
+            private TServer Server;
+    
+            public void SetServer( TServer aServer)
+            {
+                Server = aServer;
+            }
+        }
+
+
+        protected class BenchmarkServiceImpl : TestHandlerImpl, BenchmarkService.Iface
+        {
+            public int fibonacci(sbyte n)
+            {
+                int prev, next, result;
+                prev   = 0;
+                result = 1;
+                while( n > 0) 
+                {
+                    next   = result + prev;
+                    prev   = result;
+                    result = next;
+                    --n;
+                }
+                return result;
+            }
+        }
+
+
+        protected class AggrServiceImpl : TestHandlerImpl,  Aggr.Iface
+        {
+            List<int> values = new List<int>();
+
+            public void addValue(int value)
+            {
+                values.Add( value);
+            }
+
+            public List<int> getValues()
+            {
+                return values;
+            }
+        }
+
+       static void Execute()
+       {
+           try
+           {
+               // create protocol factory, default to BinaryProtocol
+               TProtocolFactory ProtocolFactory = new TBinaryProtocol.Factory(true,true);
+               TServerTransport servertrans     = new TServerSocket( 9090, 0, false);
+               TTransportFactory TransportFactory = new TFramedTransport.Factory();
+
+               BenchmarkService.Iface benchHandler = new BenchmarkServiceImpl();
+               TProcessor benchProcessor = new BenchmarkService.Processor( benchHandler);
+
+               Aggr.Iface aggrHandler = new AggrServiceImpl();
+               TProcessor aggrProcessor = new Aggr.Processor( aggrHandler);
+
+               TMultiplexedProcessor multiplex = new TMultiplexedProcessor();
+               multiplex.RegisterProcessor(Constants.NAME_BENCHMARKSERVICE, benchProcessor);
+               multiplex.RegisterProcessor(Constants.NAME_AGGR, aggrProcessor);
+
+               TServer ServerEngine = new TSimpleServer( multiplex, servertrans, TransportFactory, ProtocolFactory);
+
+               (benchHandler as ITestHandler).SetServer( ServerEngine);
+               (aggrHandler as ITestHandler).SetServer( ServerEngine);
+
+               Console.WriteLine("Starting the server ...");
+               ServerEngine.Serve();
+
+               (benchHandler as ITestHandler).SetServer(null);
+               (aggrHandler as ITestHandler).SetServer(null);
+
+           } 
+           catch( Exception e)
+           {
+               Console.WriteLine( e.Message);
+           }
+           Console.WriteLine( "done.");
+       }
+
+        
+       static void Main(string[] args)
+       {
+           Execute();
+       }
+    }
+
+
+
+}
+
diff --git a/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj b/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj
new file mode 100644
index 0000000..dc1d123
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Server/MultiplexServer.csproj
@@ -0,0 +1,148 @@
+﻿<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License. You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied. See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{D592BDF3-0DCE-48FB-890F-E4AE1D9CE7CD}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>MultiplexServer</RootNamespace>
+    <AssemblyName>MultiplexServer</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <IsWebBootstrapper>false</IsWebBootstrapper>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <OldToolsVersion>3.5</OldToolsVersion>
+    <UpgradeBackupLocation />
+    <PublishUrl>publish\</PublishUrl>
+    <Install>true</Install>
+    <InstallFrom>Disk</InstallFrom>
+    <UpdateEnabled>false</UpdateEnabled>
+    <UpdateMode>Foreground</UpdateMode>
+    <UpdateInterval>7</UpdateInterval>
+    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+    <UpdatePeriodically>false</UpdatePeriodically>
+    <UpdateRequired>false</UpdateRequired>
+    <MapFileExtensions>true</MapFileExtensions>
+    <ApplicationRevision>0</ApplicationRevision>
+    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <UseApplicationTrust>false</UseApplicationTrust>
+    <BootstrapperEnabled>true</BootstrapperEnabled>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Multiplex.Test.Common.cs">
+      <Link>Multiplex.Test.Common.cs</Link>
+    </Compile>
+    <Compile Include="..\gen-csharp\Aggr.cs" />
+    <Compile Include="..\gen-csharp\BenchmarkService.cs" />
+    <Compile Include="..\gen-csharp\Error.cs" />
+    <Compile Include="Multiplex.Test.Server.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.2.0">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 2.0 %28x86%29</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.0">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.0 %28x86%29</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Windows.Installer.3.1">
+      <Visible>False</Visible>
+      <ProductName>Windows Installer 3.1</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\src\Thrift.csproj">
+      <Project>{499EB63C-D74C-47E8-AE48-A2FC94538E9D}</Project>
+      <Name>Thrift</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+  <PropertyGroup>
+    <PreBuildEvent>rmdir /s /q "$(ProjectDir)gen-csharp"
+del /f /q "$(ProjectDir)ThriftImpl.dll"
+SET OUTPUT_DIR=$(ProjectDir)
+
+SET THRIFT_FILE=$(ProjectDir)\..\..\..\..\..\contrib\async-test\aggr.thrift
+for %25%25I in ("%25OUTPUT_DIR%25") do set SHORT_DIR=%25%25~fsI
+for %25%25I in ("%25THRIFT_FILE%25") do set THRIFT_SHORT=%25%25~fsI
+"$(ProjectDir)\..\..\..\..\..\compiler\cpp\thrift.exe" --gen csharp -o %25SHORT_DIR%25 %25THRIFT_SHORT%25
+
+SET THRIFT_FILE=$(ProjectDir)\..\..\..\..\..\lib\rb\benchmark\Benchmark.thrift
+for %25%25I in ("%25OUTPUT_DIR%25") do set SHORT_DIR=%25%25~fsI
+for %25%25I in ("%25THRIFT_FILE%25") do set THRIFT_SHORT=%25%25~fsI
+"$(ProjectDir)\..\..\..\..\..\compiler\cpp\thrift.exe" --gen csharp -o %25SHORT_DIR%25 %25THRIFT_SHORT%25
+
+</PreBuildEvent>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs b/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..9b9dd6f
--- /dev/null
+++ b/lib/csharp/test/Multiplex/Server/Properties/AssemblyInfo.cs
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("MultiplexServer")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("MultiplexServer")]
+[assembly: AssemblyCopyright("Copyright © 2013 The Apache Software Foundation")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("F2F436C1-3D4F-411a-ADC3-B98848476A8E")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/lib/csharp/test/Multiplex/maketest.sh b/lib/csharp/test/Multiplex/maketest.sh
new file mode 100644
index 0000000..a2bcde4
--- /dev/null
+++ b/lib/csharp/test/Multiplex/maketest.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+../../../../compiler/cpp/thrift --gen csharp  ../../../../contrib/async-test/aggr.thrift
+../../../../compiler/cpp/thrift --gen csharp  ../../../rb/benchmark/Benchmark.thrift
+gmcs /t:library /out:./ThriftImpl.dll /recurse:./gen-csharp/* /reference:../../Thrift.dll Multiplex.Test.Common.cs
+gmcs  /out:MultiplexClient.exe /reference:../../Thrift.dll /reference:ThriftImpl.dll Client/Multiplex.Test.Client.cs  
+gmcs  /out:MultiplexServer.exe /reference:../../Thrift.dll /reference:ThriftImpl.dll Server/Multiplex.Test.Server.cs  
+
+
+
+export MONO_PATH=../../
+
+timeout 120 ./MultiplexServer.exe & 
+sleep 3;
+./MultiplexClient.exe