diff --git a/Participant.cpp b/Participant.cpp
index 7bbafa2..bd03908 100644
--- a/Participant.cpp
+++ b/Participant.cpp
@@ -1,6 +1,10 @@
 #include "Participant.h"
 
 #include <string.h>
+#include "Arduino/ArduinoParticipant.h"
+#include "EspIdf/EspIdfParticipant.h"
+#include "Posix/PosixParticipant.h"
+#include "Windows/WindowsParticipant.h"
 
 namespace RoboidControl {
 
@@ -52,6 +56,34 @@ void Participant::Update() {
   }
 }
 
+bool Participant::Send(IMessage* msg) {
+  int bufferSize = msg->Serialize(this->buffer);
+  if (bufferSize <= 0)
+    return true;
+
+  // std::cout << "send msg " << (static_cast<int>(this->buffer[0]) & 0xff)
+  //           << " to " << remoteParticipant->ipAddress << std::endl;
+
+#if defined(_WIN32) || defined(_WIN64)
+  Windows::ParticipantUDP* thisWindows =
+      static_cast<Windows::ParticipantUDP*>(this);
+  return thisWindows->Send(remoteParticipant, bufferSize);
+#elif defined(__unix__) || defined(__APPLE__)
+  Posix::ParticipantUDP* thisPosix = static_cast<Posix::ParticipantUDP*>(this);
+  return thisPosix->Send(remoteParticipant, bufferSize);
+#elif defined(ARDUINO)
+  Arduino::ParticipantUDP* thisArduino =
+      static_cast<Arduino::ParticipantUDP*>(this);
+  return thisArduino->Send(this, bufferSize);
+#elif defined(IDF_VER)
+  EspIdf::ParticipantUDP* thisEspIdf =
+      static_cast<EspIdf::ParticipantUDP*>(this);
+  return thisEspIdf->Send(remoteParticipant, bufferSize);
+#else
+  return false;
+#endif
+}
+
 Thing* Participant::Get(unsigned char thingId) {
   for (Thing* thing : this->things) {
     if (thing->id == thingId)
diff --git a/Participant.h b/Participant.h
index c653c67..6e1217d 100644
--- a/Participant.h
+++ b/Participant.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "Messages/IMessage.h"
 #include "Thing.h"
 
 namespace RoboidControl {
@@ -132,13 +133,21 @@ class Participant {
 
 #pragma endregion Update
 
+#pragma region Send
+
+ public:
+  char buffer[1024];
+
+  virtual bool Send(IMessage* msg);
+
+#pragma endregion Send
+
 #pragma region Participant Registry
 
  public:
   static ParticipantRegistry registry;
 
 #pragma endregion Participant Registry
-
 };
 
 }  // namespace RoboidControl
diff --git a/Participants/ParticipantUDP.cpp b/Participants/ParticipantUDP.cpp
index 2ec2f88..89682ea 100644
--- a/Participants/ParticipantUDP.cpp
+++ b/Participants/ParticipantUDP.cpp
@@ -46,14 +46,6 @@ ParticipantUDP::ParticipantUDP(const char* ipAddress, int port, int localPort)
   Participant::ReplaceLocalParticipant(*this);
 }
 
-static ParticipantUDP* isolatedParticipant = nullptr;
-
-ParticipantUDP* ParticipantUDP::Isolated() {
-  if (isolatedParticipant == nullptr)
-    isolatedParticipant = new ParticipantUDP(0);
-  return isolatedParticipant;
-}
-
 void ParticipantUDP::begin() {
   if (this->isIsolated || this->remoteSite == nullptr)
     return;
@@ -105,7 +97,8 @@ void ParticipantUDP::Update() {
       if (this->remoteSite == nullptr)
         this->Publish(msg);
       else
-        this->Send(this->remoteSite, msg);
+        this->remoteSite->Send(msg);
+
       delete msg;
 
       this->nextPublishMe = currentTimeMs + this->publishInterval;
@@ -122,7 +115,7 @@ void ParticipantUDP::PrepMyThings() {
   for (Thing* thing : this->things) {
     if (thing == nullptr)
       continue;
-      
+
     thing->PrepareForUpdate();
   }
 }
@@ -137,12 +130,12 @@ void ParticipantUDP::UpdateMyThings() {
     if (thing->hierarchyChanged) {
       if (!(this->isIsolated || this->networkId == 0)) {
         ThingMsg* thingMsg = new ThingMsg(this->networkId, thing);
-        this->Send(this->remoteSite, thingMsg);
+        this->remoteSite->Send(thingMsg);
         delete thingMsg;
 
         if (thing->nameChanged) {
           NameMsg* nameMsg = new NameMsg(this->networkId, thing);
-          this->Send(this->remoteSite, nameMsg);
+          this->remoteSite->Send(nameMsg);
           delete nameMsg;
         }
       }
@@ -159,20 +152,20 @@ void ParticipantUDP::UpdateMyThings() {
     if (!(this->isIsolated || this->networkId == 0)) {
       if (thing->terminate) {
         DestroyMsg* destroyMsg = new DestroyMsg(this->networkId, thing);
-        this->Send(this->remoteSite, destroyMsg);
+        this->remoteSite->Send(destroyMsg);
         delete destroyMsg;
       } else {
         //  Send to remote site
         if (thing->nameChanged) {
           NameMsg* nameMsg = new NameMsg(this->networkId, thing);
-          this->Send(this->remoteSite, nameMsg);
+          this->remoteSite->Send(nameMsg);
           delete nameMsg;
         }
         PoseMsg* poseMsg = new PoseMsg(this->networkId, thing);
-        this->Send(this->remoteSite, poseMsg);
+        this->remoteSite->Send(poseMsg);
         delete poseMsg;
         BinaryMsg* binaryMsg = new BinaryMsg(this->networkId, thing);
-        this->Send(this->remoteSite, binaryMsg);
+        this->remoteSite->Send(binaryMsg);
         delete binaryMsg;
       }
     }
@@ -203,10 +196,10 @@ void ParticipantUDP::UpdateOtherThings() {
 
     for (Thing* thing : participant->things) {
       PoseMsg* poseMsg = new PoseMsg(participant->networkId, thing);
-      this->Send(participant, poseMsg);
+      participant->Send(poseMsg);
       delete poseMsg;
       BinaryMsg* binaryMsg = new BinaryMsg(participant->networkId, thing);
-      this->Send(participant, binaryMsg);
+      participant->Send(binaryMsg);
       delete binaryMsg;
     }
   }
@@ -221,49 +214,50 @@ void ParticipantUDP::SendThingInfo(Participant* remoteParticipant,
                                    Thing* thing) {
   // std::cout << "Send thing info [" << (int)thing->id << "] \n";
   ThingMsg* thingMsg = new ThingMsg(this->networkId, thing);
-  this->Send(remoteParticipant, thingMsg);
+  remoteParticipant->Send(thingMsg);
   delete thingMsg;
   NameMsg* nameMsg = new NameMsg(this->networkId, thing);
-  this->Send(remoteParticipant, nameMsg);
+  remoteParticipant->Send(nameMsg);
   delete nameMsg;
   ModelUrlMsg* modelMsg = new ModelUrlMsg(this->networkId, thing);
-  this->Send(remoteParticipant, modelMsg);
+  remoteParticipant->Send(modelMsg);
   delete modelMsg;
   PoseMsg* poseMsg = new PoseMsg(this->networkId, thing, true);
-  this->Send(remoteParticipant, poseMsg);
+  remoteParticipant->Send(poseMsg);
   delete poseMsg;
-  BinaryMsg* customMsg = new BinaryMsg(this->networkId, thing);
-  this->Send(remoteParticipant, customMsg);
-  delete customMsg;
+  BinaryMsg* binaryMsg = new BinaryMsg(this->networkId, thing);
+  remoteParticipant->Send(binaryMsg);
+  delete binaryMsg;
 }
 
-bool ParticipantUDP::Send(Participant* remoteParticipant, IMessage* msg) {
-  int bufferSize = msg->Serialize(this->buffer);
-  if (bufferSize <= 0)
-    return true;
+// bool ParticipantUDP::Send(Participant* remoteParticipant, IMessage* msg) {
+//   int bufferSize = msg->Serialize(this->buffer);
+//   if (bufferSize <= 0)
+//     return true;
 
-  // std::cout << "send msg " << (static_cast<int>(this->buffer[0]) & 0xff)
-  //           << " to " << remoteParticipant->ipAddress << std::endl;
+//   // std::cout << "send msg " << (static_cast<int>(this->buffer[0]) & 0xff)
+//   //           << " to " << remoteParticipant->ipAddress << std::endl;
 
-#if defined(_WIN32) || defined(_WIN64)
-  Windows::ParticipantUDP* thisWindows =
-      static_cast<Windows::ParticipantUDP*>(this);
-  return thisWindows->Send(remoteParticipant, bufferSize);
-#elif defined(__unix__) || defined(__APPLE__)
-  Posix::ParticipantUDP* thisPosix = static_cast<Posix::ParticipantUDP*>(this);
-  return thisPosix->Send(remoteParticipant, bufferSize);
-#elif defined(ARDUINO)
-  Arduino::ParticipantUDP* thisArduino =
-      static_cast<Arduino::ParticipantUDP*>(this);
-  return thisArduino->Send(remoteParticipant, bufferSize);
-#elif defined(IDF_VER)
-  EspIdf::ParticipantUDP* thisEspIdf =
-      static_cast<EspIdf::ParticipantUDP*>(this);
-  return thisEspIdf->Send(remoteParticipant, bufferSize);
-#else
-  return false;
-#endif
-}
+// #if defined(_WIN32) || defined(_WIN64)
+//   Windows::ParticipantUDP* thisWindows =
+//       static_cast<Windows::ParticipantUDP*>(this);
+//   return thisWindows->Send(remoteParticipant, bufferSize);
+// #elif defined(__unix__) || defined(__APPLE__)
+//   Posix::ParticipantUDP* thisPosix =
+//   static_cast<Posix::ParticipantUDP*>(this); return
+//   thisPosix->Send(remoteParticipant, bufferSize);
+// #elif defined(ARDUINO)
+//   Arduino::ParticipantUDP* thisArduino =
+//       static_cast<Arduino::ParticipantUDP*>(this);
+//   return thisArduino->Send(remoteParticipant, bufferSize);
+// #elif defined(IDF_VER)
+//   EspIdf::ParticipantUDP* thisEspIdf =
+//       static_cast<EspIdf::ParticipantUDP*>(this);
+//   return thisEspIdf->Send(remoteParticipant, bufferSize);
+// #else
+//   return false;
+// #endif
+// }
 
 void ParticipantUDP::PublishThingInfo(Thing* thing) {
   // std::cout << "Publish thing info" << thing->networkId << "\n";
@@ -402,6 +396,18 @@ void ParticipantUDP::ReceiveData(unsigned char bufferSize,
       Process(sender, msg);
       delete msg;
     } break;
+    case TextMsg::id: {
+      TextMsg* msg = new TextMsg(this->buffer);
+      bufferSize -= msg->length + msg->textLength;
+      Process(sender, msg);
+      delete msg;
+    } break;
+    case DestroyMsg::id: {
+      DestroyMsg* msg = new DestroyMsg(this->buffer);
+      bufferSize -= msg->length;
+      Process(sender, msg);
+      delete msg;
+    } break;
   };
 
 // Check if the buffer has been read completely
@@ -532,6 +538,24 @@ void ParticipantUDP::Process(Participant* sender, BinaryMsg* msg) {
   }
 }
 
+void ParticipantUDP::Process(Participant* sender, TextMsg* msg) {
+#if defined(DEBUG)
+  std::cout << this->name << ": process TextMsg " << (int)msg->textLength << " "
+            << (int)msg->text << "\n";
+#endif
+}
+
+void ParticipantUDP::Process(Participant* sender, DestroyMsg* msg) {
+#if defined(DEBUG)
+  std::cout << this->name << ": process Destroy [" << (int)msg->networkId << "/"
+            << (int)msg->thingId << "]\n";
+#endif
+
+  Thing* thing = sender->Get(msg->thingId);
+  if (thing != nullptr)
+    this->Remove(thing);
+}
+
 // Receive
 #pragma endregion
 
diff --git a/Participants/ParticipantUDP.h b/Participants/ParticipantUDP.h
index bf5e1a2..9d92251 100644
--- a/Participants/ParticipantUDP.h
+++ b/Participants/ParticipantUDP.h
@@ -9,6 +9,7 @@
 #include "Messages/PoseMsg.h"
 #include "Messages/NetworkIdMsg.h"
 #include "Messages/ThingMsg.h"
+#include "Messages/TextMsg.h"
 #include "Participant.h"
 
 #if !defined(NO_STD)
@@ -43,6 +44,7 @@ constexpr int MAX_SENDER_COUNT = 256;
 /// RoboidControl::IsolatedParticipant::Isolated().
 /// @sa RoboidControl::Thing::Thing()
 class ParticipantUDP : public Participant {
+
 #pragma region Init
 
  public:
@@ -58,19 +60,15 @@ class ParticipantUDP : public Participant {
   /// @param localPort The port used by the local participant
   ParticipantUDP(const char* ipAddress, int port = 7681, int localPort = 7681);
 
-  /// @brief Isolated participant is used when the application is run without
-  /// networking
-  /// @return A participant without networking support
-  static ParticipantUDP* Isolated();
-
-  /// @brief True if the participant is running isolated.
-  /// Isolated participants do not communicate with other participants
-
 #pragma endregion Init
 
+#pragma region Properties
+
+public:
   /// @brief True if the participant is running isolated.
   /// Isolated participants do not communicate with other participants
   bool isIsolated = false;
+
   /// @brief The remote site when this participant is connected to a site
   Participant* remoteSite = nullptr;
 
@@ -94,6 +92,8 @@ class ParticipantUDP : public Participant {
   void begin();
   bool connected = false;
 
+#pragma endregion Properties
+
 #pragma region Update
 
  public:
@@ -114,7 +114,7 @@ class ParticipantUDP : public Participant {
   void SendThingInfo(Participant* remoteParticipant, Thing* thing);
   void PublishThingInfo(Thing* thing);
 
-  bool Send(Participant* remoteParticipant, IMessage* msg);
+  //bool Send(Participant* remoteParticipant, IMessage* msg);
   bool Publish(IMessage* msg);
 
 #pragma endregion Send
@@ -139,6 +139,8 @@ protected:
   virtual void Process(Participant* sender, ModelUrlMsg* msg);
   virtual void Process(Participant* sender, PoseMsg* msg);
   virtual void Process(Participant* sender, BinaryMsg* msg);
+  virtual void Process(Participant* sender, TextMsg* msg);
+  virtual void Process(Participant* sender, DestroyMsg* msg);
 
 #pragma endregion Receive
 
diff --git a/Participants/SiteServer.cpp b/Participants/SiteServer.cpp
index 9eb7ce9..cc61639 100644
--- a/Participants/SiteServer.cpp
+++ b/Participants/SiteServer.cpp
@@ -42,10 +42,10 @@ void SiteServer::UpdateMyThings() {
           continue;
 
         PoseMsg* poseMsg = new PoseMsg(this->networkId, thing);
-        this->Send(participant, poseMsg);
+        participant->Send(poseMsg);
         delete poseMsg;
         BinaryMsg* binaryMsg = new BinaryMsg(this->networkId, thing);
-        this->Send(participant, binaryMsg);
+        participant->Send(binaryMsg);
         delete binaryMsg;
       }
     }
@@ -62,7 +62,7 @@ void SiteServer::Process(Participant* sender, ParticipantMsg* msg) {
     // sender->ipAddress
     //           << ":" << (int)sender->port << "\n";
     NetworkIdMsg* msg = new NetworkIdMsg(sender->networkId);
-    this->Send(sender, msg);
+    sender->Send(msg);
     delete msg;
   }
 }
diff --git a/Participants/SiteServer.h b/Participants/SiteServer.h
index 67bc5bf..87029c5 100644
--- a/Participants/SiteServer.h
+++ b/Participants/SiteServer.h
@@ -2,11 +2,11 @@
 
 #include "ParticipantUDP.h"
 
-#if !defined(NO_STD)
-#include <functional>
-#include <memory>
-#include <unordered_map>
-#endif
+// #if !defined(NO_STD)
+// #include <functional>
+// #include <memory>
+// #include <unordered_map>
+// #endif
 
 namespace RoboidControl {