diff --git a/fairmq/devices/FairMQBenchmarkSampler.h b/fairmq/devices/FairMQBenchmarkSampler.h
index 77d437b3..4e9afd40 100644
--- a/fairmq/devices/FairMQBenchmarkSampler.h
+++ b/fairmq/devices/FairMQBenchmarkSampler.h
@@ -37,8 +37,6 @@ class FairMQBenchmarkSampler : public FairMQDevice
     FairMQBenchmarkSampler();
     virtual ~FairMQBenchmarkSampler();
 
-    void Log(int intervalInMs);
-
     virtual void SetProperty(const int key, const std::string& value);
     virtual std::string GetProperty(const int key, const std::string& default_ = "");
     virtual void SetProperty(const int key, const int value);
diff --git a/fairmq/devices/FairMQMerger.cxx b/fairmq/devices/FairMQMerger.cxx
index ac563dad..975c7b3e 100644
--- a/fairmq/devices/FairMQMerger.cxx
+++ b/fairmq/devices/FairMQMerger.cxx
@@ -19,7 +19,10 @@
 #include "FairMQMerger.h"
 #include "FairMQPoller.h"
 
+using namespace std;
+
 FairMQMerger::FairMQMerger()
+    : fMultipart(1)
 {
 }
 
@@ -33,32 +36,130 @@ void FairMQMerger::Run()
 
     std::unique_ptr<FairMQPoller> poller(fTransportFactory->CreatePoller(fChannels.at("data-in")));
 
-    while (CheckCurrentState(RUNNING))
+    if (fMultipart)
     {
-        poller->Poll(100);
-
-        // Loop over the data input channels.
-        for (int i = 0; i < numInputs; ++i)
+        while (CheckCurrentState(RUNNING))
         {
-            // Check if the channel has data ready to be received.
-            if (poller->CheckInput(i))
-            {
-                FairMQParts parts;
+            poller->Poll(100);
 
-                if (Receive(parts, "data-in", i) >= 0)
+            // Loop over the data input channels.
+            for (int i = 0; i < numInputs; ++i)
+            {
+                // Check if the channel has data ready to be received.
+                if (poller->CheckInput(i))
                 {
-                    if (Send(parts, "data-out") < 0)
+                    FairMQParts payload;
+
+                    if (Receive(payload, "data-in", i) >= 0)
+                    {
+                        if (Send(payload, "data-out") < 0)
+                        {
+                            LOG(DEBUG) << "Transfer interrupted";
+                            break;
+                        }
+                    }
+                    else
                     {
                         LOG(DEBUG) << "Transfer interrupted";
                         break;
                     }
                 }
-                else
+            }
+        }
+    }
+    else
+    {
+        while (CheckCurrentState(RUNNING))
+        {
+            poller->Poll(100);
+
+            // Loop over the data input channels.
+            for (int i = 0; i < numInputs; ++i)
+            {
+                // Check if the channel has data ready to be received.
+                if (poller->CheckInput(i))
                 {
-                    LOG(DEBUG) << "Transfer interrupted";
-                    break;
+                    unique_ptr<FairMQMessage> payload(fTransportFactory->CreateMessage());
+
+                    if (Receive(payload, "data-in", i) >= 0)
+                    {
+                        if (Send(payload, "data-out") < 0)
+                        {
+                            LOG(DEBUG) << "Transfer interrupted";
+                            break;
+                        }
+                    }
+                    else
+                    {
+                        LOG(DEBUG) << "Transfer interrupted";
+                        break;
+                    }
                 }
             }
         }
     }
 }
+
+void FairMQMerger::SetProperty(const int key, const string& value)
+{
+    switch (key)
+    {
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+string FairMQMerger::GetProperty(const int key, const string& default_ /*= ""*/)
+{
+    switch (key)
+    {
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+void FairMQMerger::SetProperty(const int key, const int value)
+{
+    switch (key)
+    {
+        case Multipart:
+            fMultipart = value;
+            break;
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+int FairMQMerger::GetProperty(const int key, const int default_ /*= 0*/)
+{
+    switch (key)
+    {
+        case Multipart:
+            return fMultipart;
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+string FairMQMerger::GetPropertyDescription(const int key)
+{
+    switch (key)
+    {
+        case Multipart:
+            return "Multipart: Handle payloads as multipart messages.";
+        default:
+            return FairMQDevice::GetPropertyDescription(key);
+    }
+}
+
+void FairMQMerger::ListProperties()
+{
+    LOG(INFO) << "Properties of FairMQMerger:";
+    for (int p = FairMQConfigurable::Last; p < FairMQMerger::Last; ++p)
+    {
+        LOG(INFO) << " " << GetPropertyDescription(p);
+    }
+    LOG(INFO) << "---------------------------";
+}
diff --git a/fairmq/devices/FairMQMerger.h b/fairmq/devices/FairMQMerger.h
index 4073bc98..d6385330 100644
--- a/fairmq/devices/FairMQMerger.h
+++ b/fairmq/devices/FairMQMerger.h
@@ -20,10 +20,26 @@
 class FairMQMerger : public FairMQDevice
 {
   public:
+    enum
+    {
+        Multipart = FairMQDevice::Last,
+        Last
+    };
+
     FairMQMerger();
     virtual ~FairMQMerger();
 
+    virtual void SetProperty(const int key, const std::string& value);
+    virtual std::string GetProperty(const int key, const std::string& default_ = "");
+    virtual void SetProperty(const int key, const int value);
+    virtual int GetProperty(const int key, const int default_ = 0);
+
+    virtual std::string GetPropertyDescription(const int key);
+    virtual void ListProperties();
+
   protected:
+    int fMultipart;
+
     virtual void Run();
 };
 
diff --git a/fairmq/devices/FairMQProxy.cxx b/fairmq/devices/FairMQProxy.cxx
index dce61526..d4feb820 100644
--- a/fairmq/devices/FairMQProxy.cxx
+++ b/fairmq/devices/FairMQProxy.cxx
@@ -18,7 +18,10 @@
 #include "FairMQLogger.h"
 #include "FairMQProxy.h"
 
+using namespace std;
+
 FairMQProxy::FairMQProxy()
+    : fMultipart(1)
 {
 }
 
@@ -28,22 +31,109 @@ FairMQProxy::~FairMQProxy()
 
 void FairMQProxy::Run()
 {
-    while (CheckCurrentState(RUNNING))
+    if (fMultipart)
     {
-        FairMQParts parts;
-
-        if (Receive(parts, "data-in") >= 0)
+        while (CheckCurrentState(RUNNING))
         {
-            if (Send(parts, "data-out") < 0)
+            FairMQParts payload;
+            if (Receive(payload, "data-in") >= 0)
+            {
+                if (Send(payload, "data-out") < 0)
+                {
+                    LOG(DEBUG) << "Transfer interrupted";
+                    break;
+                }
+            }
+            else
             {
                 LOG(DEBUG) << "Transfer interrupted";
                 break;
             }
         }
-        else
+    }
+    else
+    {
+        while (CheckCurrentState(RUNNING))
         {
-            LOG(DEBUG) << "Transfer interrupted";
-            break;
+            unique_ptr<FairMQMessage> payload(fTransportFactory->CreateMessage());
+            if (Receive(payload, "data-in") >= 0)
+            {
+                if (Send(payload, "data-out") < 0)
+                {
+                    LOG(DEBUG) << "Transfer interrupted";
+                    break;
+                }
+            }
+            else
+            {
+                LOG(DEBUG) << "Transfer interrupted";
+                break;
+            }
         }
     }
 }
+
+void FairMQProxy::SetProperty(const int key, const string& value)
+{
+    switch (key)
+    {
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+string FairMQProxy::GetProperty(const int key, const string& default_ /*= ""*/)
+{
+    switch (key)
+    {
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+void FairMQProxy::SetProperty(const int key, const int value)
+{
+    switch (key)
+    {
+        case Multipart:
+            fMultipart = value;
+            break;
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+int FairMQProxy::GetProperty(const int key, const int default_ /*= 0*/)
+{
+    switch (key)
+    {
+        case Multipart:
+            return fMultipart;
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+string FairMQProxy::GetPropertyDescription(const int key)
+{
+    switch (key)
+    {
+        case Multipart:
+            return "Multipart: Handle payloads as multipart messages.";
+        default:
+            return FairMQDevice::GetPropertyDescription(key);
+    }
+}
+
+void FairMQProxy::ListProperties()
+{
+    LOG(INFO) << "Properties of FairMQProxy:";
+    for (int p = FairMQConfigurable::Last; p < FairMQProxy::Last; ++p)
+    {
+        LOG(INFO) << " " << GetPropertyDescription(p);
+    }
+    LOG(INFO) << "---------------------------";
+}
+
diff --git a/fairmq/devices/FairMQProxy.h b/fairmq/devices/FairMQProxy.h
index ef72f1bf..d9c0de51 100644
--- a/fairmq/devices/FairMQProxy.h
+++ b/fairmq/devices/FairMQProxy.h
@@ -20,10 +20,26 @@
 class FairMQProxy : public FairMQDevice
 {
   public:
+    enum
+    {
+        Multipart = FairMQDevice::Last,
+        Last
+    };
+
     FairMQProxy();
     virtual ~FairMQProxy();
 
+    virtual void SetProperty(const int key, const std::string& value);
+    virtual std::string GetProperty(const int key, const std::string& default_ = "");
+    virtual void SetProperty(const int key, const int value);
+    virtual int GetProperty(const int key, const int default_ = 0);
+
+    virtual std::string GetPropertyDescription(const int key);
+    virtual void ListProperties();
+
   protected:
+    int fMultipart;
+
     virtual void Run();
 };
 
diff --git a/fairmq/devices/FairMQSplitter.cxx b/fairmq/devices/FairMQSplitter.cxx
index f67e43a1..2c1fe1ae 100644
--- a/fairmq/devices/FairMQSplitter.cxx
+++ b/fairmq/devices/FairMQSplitter.cxx
@@ -18,7 +18,10 @@
 #include "FairMQLogger.h"
 #include "FairMQSplitter.h"
 
+using namespace std;
+
 FairMQSplitter::FairMQSplitter()
+    : fMultipart(1)
 {
 }
 
@@ -32,28 +35,123 @@ void FairMQSplitter::Run()
 
     int direction = 0;
 
-    while (CheckCurrentState(RUNNING))
+    if (fMultipart)
     {
-        FairMQParts parts;
-
-        if (Receive(parts, "data-in") >= 0)
+        while (CheckCurrentState(RUNNING))
         {
-            if (Send(parts, "data-out", direction) < 0)
+            FairMQParts payload;
+
+            if (Receive(payload, "data-in") >= 0)
+            {
+                if (Send(payload, "data-out", direction) < 0)
+                {
+                    LOG(DEBUG) << "Transfer interrupted";
+                    break;
+                }
+            }
+            else
             {
                 LOG(DEBUG) << "Transfer interrupted";
                 break;
             }
-        }
-        else
-        {
-            LOG(DEBUG) << "Transfer interrupted";
-            break;
-        }
 
-        ++direction;
-        if (direction >= numOutputs)
+            ++direction;
+            if (direction >= numOutputs)
+            {
+                direction = 0;
+            }
+        }
+    }
+    else
+    {
+        while (CheckCurrentState(RUNNING))
         {
-            direction = 0;
+            unique_ptr<FairMQMessage> payload(fTransportFactory->CreateMessage());
+
+            if (Receive(payload, "data-in") >= 0)
+            {
+                if (Send(payload, "data-out", direction) < 0)
+                {
+                    LOG(DEBUG) << "Transfer interrupted";
+                    break;
+                }
+            }
+            else
+            {
+                LOG(DEBUG) << "Transfer interrupted";
+                break;
+            }
+
+            ++direction;
+            if (direction >= numOutputs)
+            {
+                direction = 0;
+            }
         }
     }
 }
+
+void FairMQSplitter::SetProperty(const int key, const string& value)
+{
+    switch (key)
+    {
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+string FairMQSplitter::GetProperty(const int key, const string& default_ /*= ""*/)
+{
+    switch (key)
+    {
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+void FairMQSplitter::SetProperty(const int key, const int value)
+{
+    switch (key)
+    {
+        case Multipart:
+            fMultipart = value;
+            break;
+        default:
+            FairMQDevice::SetProperty(key, value);
+            break;
+    }
+}
+
+int FairMQSplitter::GetProperty(const int key, const int default_ /*= 0*/)
+{
+    switch (key)
+    {
+        case Multipart:
+            return fMultipart;
+        default:
+            return FairMQDevice::GetProperty(key, default_);
+    }
+}
+
+string FairMQSplitter::GetPropertyDescription(const int key)
+{
+    switch (key)
+    {
+        case Multipart:
+            return "Multipart: Handle payloads as multipart messages.";
+        default:
+            return FairMQDevice::GetPropertyDescription(key);
+    }
+}
+
+void FairMQSplitter::ListProperties()
+{
+    LOG(INFO) << "Properties of FairMQSplitter:";
+    for (int p = FairMQConfigurable::Last; p < FairMQSplitter::Last; ++p)
+    {
+        LOG(INFO) << " " << GetPropertyDescription(p);
+    }
+    LOG(INFO) << "---------------------------";
+}
+
diff --git a/fairmq/devices/FairMQSplitter.h b/fairmq/devices/FairMQSplitter.h
index 1ec86bff..44515235 100644
--- a/fairmq/devices/FairMQSplitter.h
+++ b/fairmq/devices/FairMQSplitter.h
@@ -20,10 +20,26 @@
 class FairMQSplitter : public FairMQDevice
 {
   public:
+    enum
+    {
+        Multipart = FairMQDevice::Last,
+        Last
+    };
+
     FairMQSplitter();
     virtual ~FairMQSplitter();
 
+    virtual void SetProperty(const int key, const std::string& value);
+    virtual std::string GetProperty(const int key, const std::string& default_ = "");
+    virtual void SetProperty(const int key, const int value);
+    virtual int GetProperty(const int key, const int default_ = 0);
+
+    virtual std::string GetPropertyDescription(const int key);
+    virtual void ListProperties();
+
   protected:
+    int fMultipart;
+
     virtual void Run();
 };
 
diff --git a/fairmq/run/runMerger.cxx b/fairmq/run/runMerger.cxx
index aeb1923d..1d48994e 100644
--- a/fairmq/run/runMerger.cxx
+++ b/fairmq/run/runMerger.cxx
@@ -14,19 +14,31 @@
 
 #include <iostream>
 
+#include "boost/program_options.hpp"
+
 #include "FairMQLogger.h"
 #include "FairMQProgOptions.h"
 #include "FairMQMerger.h"
 #include "runSimpleMQStateMachine.h"
 
+using namespace boost::program_options;
+
 int main(int argc, char** argv)
 {
     try
     {
+        int multipart;
+
+        options_description mergerOptions("Proxy options");
+        mergerOptions.add_options()
+            ("multipart", value<int>(&multipart)->default_value(1), "Handle multipart payloads");
+
         FairMQProgOptions config;
+        config.AddToCmdLineOptions(mergerOptions);
         config.ParseAll(argc, argv);
 
         FairMQMerger merger;
+        merger.SetProperty(FairMQMerger::Multipart, multipart);
         runStateMachine(merger, config);
     }
     catch (std::exception& e)
diff --git a/fairmq/run/runProxy.cxx b/fairmq/run/runProxy.cxx
index 90f92e20..40a4eb13 100644
--- a/fairmq/run/runProxy.cxx
+++ b/fairmq/run/runProxy.cxx
@@ -14,19 +14,31 @@
 
 #include <iostream>
 
+#include "boost/program_options.hpp"
+
 #include "FairMQLogger.h"
 #include "FairMQProgOptions.h"
 #include "FairMQProxy.h"
 #include "runSimpleMQStateMachine.h"
 
+using namespace boost::program_options;
+
 int main(int argc, char** argv)
 {
     try
     {
+        int multipart;
+
+        options_description proxyOptions("Proxy options");
+        proxyOptions.add_options()
+            ("multipart", value<int>(&multipart)->default_value(1), "Handle multipart payloads");
+
         FairMQProgOptions config;
+        config.AddToCmdLineOptions(proxyOptions);
         config.ParseAll(argc, argv);
 
         FairMQProxy proxy;
+        proxy.SetProperty(FairMQProxy::Multipart, multipart);
         runStateMachine(proxy, config);
     }
     catch (std::exception& e)
diff --git a/fairmq/run/runSplitter.cxx b/fairmq/run/runSplitter.cxx
index 7a2d3a6f..cfc957ea 100644
--- a/fairmq/run/runSplitter.cxx
+++ b/fairmq/run/runSplitter.cxx
@@ -14,19 +14,31 @@
 
 #include <iostream>
 
+#include "boost/program_options.hpp"
+
 #include "FairMQLogger.h"
 #include "FairMQProgOptions.h"
 #include "FairMQSplitter.h"
 #include "runSimpleMQStateMachine.h"
 
+using namespace boost::program_options;
+
 int main(int argc, char** argv)
 {
     try
     {
+        int multipart;
+
+        options_description proxyOptions("Proxy options");
+        proxyOptions.add_options()
+            ("multipart", value<int>(&multipart)->default_value(1), "Handle multipart payloads");
+
         FairMQProgOptions config;
+        config.AddToCmdLineOptions(proxyOptions);
         config.ParseAll(argc, argv);
 
         FairMQSplitter splitter;
+        splitter.SetProperty(FairMQSplitter::Multipart, multipart);
         runStateMachine(splitter, config);
     }
     catch (std::exception& e)