diff --git a/libs/cloud/picloudtcp.cpp b/libs/cloud/picloudtcp.cpp
index 80786a1d..5cf2f700 100644
--- a/libs/cloud/picloudtcp.cpp
+++ b/libs/cloud/picloudtcp.cpp
@@ -19,10 +19,24 @@
 
 #include "picloudtcp.h"
 #include "picrypt.h"
+#include "pichunkstream.h"
+
 
 const char hash_def_key[] = "_picrypt_";
 
 
+PIByteArray & operator <<(PIByteArray & s, const PICloud::Header & v) {
+	s << v.version << v.type << v.sname;
+	return s;
+}
+
+
+PIByteArray & operator >>(PIByteArray & s, PICloud::Header & v) {
+	s >> v.version >> v.type >> v.sname;
+	return s;
+}
+
+
 PICloudTCP::PICloudTCP() {
 }
 
diff --git a/libs/main/cloud/picloudtcp.h b/libs/main/cloud/picloudtcp.h
index 5b7f1309..5a22b0ab 100644
--- a/libs/main/cloud/picloudtcp.h
+++ b/libs/main/cloud/picloudtcp.h
@@ -26,6 +26,30 @@
 #include "pip_cloud_export.h"
 #include "pistring.h"
 
+namespace PICloud {
+
+enum Version {
+	Version_1 = 1,
+};
+
+enum HeaderType {
+	Server = 1,
+	Client = 2,
+};
+
+struct PIP_CLOUD_EXPORT Header {
+	Header() {
+		version = Version_1;
+	}
+	uchar version; // PICloud::Version
+	uchar type; // PICloud::HeaderType
+	PIString sname; // server name
+};
+}
+
+PIP_CLOUD_EXPORT PIByteArray & operator <<(PIByteArray & s, const PICloud::Header & v);
+PIP_CLOUD_EXPORT PIByteArray & operator >>(PIByteArray & s, PICloud::Header & v);
+
 
 class PIP_CLOUD_EXPORT PICloudTCP {
 public:
diff --git a/main.cpp b/main.cpp
index 193896f4..3764b12d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,17 +2,7 @@
 
 int main() {
 	PICloudServer s("127.0.0.1:10101");
-//	for (int i=0; i<3; ++i) {
-//		s.open();
-//		piCout << "opened";
-//		piSleep(10);
-//		s.close();
-//		piCout << "closed";
-//		piSleep(1);
-//	}
-//	s.open();
 	s.startThreadedRead();
-	piSleep(2);
-//	s.stopThreadedRead();
+	piSleep(10);
 	return 0;
 }
diff --git a/utils/cloud_dispatcher/cloudserver.cpp b/utils/cloud_dispatcher/cloudserver.cpp
index 3a7afcba..01ff10d1 100644
--- a/utils/cloud_dispatcher/cloudserver.cpp
+++ b/utils/cloud_dispatcher/cloudserver.cpp
@@ -1,5 +1,24 @@
 #include "cloudserver.h"
 
-CloudServer::CloudServer(DispatcherClient * client) {
+CloudServer::CloudServer(DispatcherClient * c) : server(c) {
 
 }
+
+
+CloudServer::~CloudServer() {
+	for (auto c :clients) {
+		c->close();
+	}
+}
+
+
+void CloudServer::addClient(DispatcherClient * c) {
+	clients << c;
+}
+
+void CloudServer::printStatus() {
+	piCout << "    " << "Clients for" << server->address() << ":";
+	for (auto c: clients) {
+		piCout << "        " << c->address();
+	}
+}
diff --git a/utils/cloud_dispatcher/cloudserver.h b/utils/cloud_dispatcher/cloudserver.h
index b3b6f3ff..be44352a 100644
--- a/utils/cloud_dispatcher/cloudserver.h
+++ b/utils/cloud_dispatcher/cloudserver.h
@@ -3,10 +3,18 @@
 
 #include "dispatcherclient.h"
 
-class CloudServer
-{
+
+class CloudServer : public PIObject {
+	PIOBJECT(CloudServer)
 public:
-	CloudServer(DispatcherClient * client);
+	CloudServer(DispatcherClient * c);
+	~CloudServer();
+	void addClient(DispatcherClient * c);
+	EVENT_HANDLER0(void, printStatus);
+
+private:
+	DispatcherClient * server;
+	PIVector<DispatcherClient*> clients;
 };
 
 #endif // CLOUDSERVER_H
diff --git a/utils/cloud_dispatcher/dispatcherclient.cpp b/utils/cloud_dispatcher/dispatcherclient.cpp
index 7991d353..b9cdfd64 100644
--- a/utils/cloud_dispatcher/dispatcherclient.cpp
+++ b/utils/cloud_dispatcher/dispatcherclient.cpp
@@ -1,8 +1,8 @@
 #include "dispatcherclient.h"
+#include "picloudtcp.h"
 
 
-DispatcherClient::DispatcherClient(PIEthernet * eth_) {
-	eth = eth_;
+DispatcherClient::DispatcherClient(PIEthernet * eth_) : eth(eth_), authorised(false) {
 	CONNECTU(&disconnect_tm, tickEvent, eth, close);
 	eth->startThreadedRead();
 	CONNECTU(eth, threadedReadEvent, this, readed);
@@ -21,6 +21,10 @@ PIString DispatcherClient::address() {
 	return eth->path();
 }
 
+void DispatcherClient::close() {
+	eth->close();
+}
+
 
 void DispatcherClient::disconnected(bool withError) {
 	piCoutObj << "client disconnected" << eth->sendAddress();
@@ -30,7 +34,18 @@ void DispatcherClient::disconnected(bool withError) {
 
 void DispatcherClient::readed(uchar *data, int size) {
 	PIByteArray ba(data, size);
-	piCoutObj << "readed" << ba.toHex();
-	eth->write(ba);
+	if (authorised) {
+		dataReaded(ba);
+	} else {
+		if (ba.size() < 4) return;
+		PICloud::Header hdr;
+		ba >> hdr;
+		if ((PICloud::HeaderType)hdr.type == PICloud::Server) {
+			registerServer(hdr.sname, this);
+		}
+		if ((PICloud::HeaderType)hdr.type == PICloud::Client) {
+			registerClient(hdr.sname, this);
+		}
+	}
 }
 
diff --git a/utils/cloud_dispatcher/dispatcherclient.h b/utils/cloud_dispatcher/dispatcherclient.h
index 00dbbfaf..99f7cc62 100644
--- a/utils/cloud_dispatcher/dispatcherclient.h
+++ b/utils/cloud_dispatcher/dispatcherclient.h
@@ -11,7 +11,10 @@ public:
 	~DispatcherClient();
 	EVENT1(disconnectEvent, DispatcherClient *, client)
 	EVENT2(registerServer, PIString, sname, DispatcherClient *, client)
+	EVENT2(registerClient, PIString, sname, DispatcherClient *, client)
 	PIString address();
+	void close();
+	EVENT1(dataReaded, PIByteArray, ba)
 
 private:
 	EVENT_HANDLER2(void, readed, uchar * , data, int, size);
@@ -19,6 +22,7 @@ private:
 
 	PIEthernet * eth;
 	PITimer disconnect_tm;
+	bool authorised;
 };
 
 
diff --git a/utils/cloud_dispatcher/dispatcherserver.cpp b/utils/cloud_dispatcher/dispatcherserver.cpp
index 99bdd045..4b5a50cf 100644
--- a/utils/cloud_dispatcher/dispatcherserver.cpp
+++ b/utils/cloud_dispatcher/dispatcherserver.cpp
@@ -28,6 +28,7 @@ void DispatcherServer::printStatus() {
 	auto it = c_servers.makeIterator();
 	while(it.next()){
 		piCout << "    " << it.key();
+		it.value()->printStatus();
 	}
 	map_mutex.unlock();
 }
@@ -50,6 +51,13 @@ void DispatcherServer::newConnection(PIEthernet *cl) {
 		c_servers.insert(sname, new CloudServer(c));
 		map_mutex.unlock();
 	});
+	CONNECTL(client, registerClient, [this](PIString sname, DispatcherClient * c){
+		map_mutex.lock();
+		if (c_servers.contains(sname)) {
+			c_servers[sname]->addClient(c);
+		}
+		map_mutex.unlock();
+	});
 	piCoutObj << "add client" << client;
 	map_mutex.lock();
 	clients.push_back(client);
diff --git a/utils/cloud_dispatcher/dispatcherserver.h b/utils/cloud_dispatcher/dispatcherserver.h
index a7205686..7fba7ef4 100644
--- a/utils/cloud_dispatcher/dispatcherserver.h
+++ b/utils/cloud_dispatcher/dispatcherserver.h
@@ -1,7 +1,6 @@
 #ifndef DISPATCHERSERVER_H
 #define DISPATCHERSERVER_H
 
-#include "dispatcherclient.h"
 #include "cloudserver.h"