diff --git a/include/ki/protocol/control/ClientHello.h b/include/ki/protocol/control/ClientHello.h
index 05b96ec..f126d8c 100644
--- a/include/ki/protocol/control/ClientHello.h
+++ b/include/ki/protocol/control/ClientHello.h
@@ -15,14 +15,14 @@ namespace control
 	{
 	public:
 		ClientHello(uint16_t session_id = 0,
-			uint64_t timestamp = 0, uint32_t milliseconds = 0);
+			uint32_t timestamp = 0, uint32_t milliseconds = 0);
 		virtual ~ClientHello() = default;
 
 		uint16_t get_session_id() const;
 		void set_session_id(uint16_t session_id);
 
-		uint64_t get_timestamp() const;
-		void set_timestamp(uint64_t timestamp);
+		uint32_t get_timestamp() const;
+		void set_timestamp(uint32_t timestamp);
 
 		uint32_t get_milliseconds() const;
 		void set_milliseconds(uint32_t milliseconds);
@@ -32,16 +32,10 @@ namespace control
 		size_t get_size() const override final;
 
 		static Packet *create_packet(uint16_t session_id = 0,
-			uint64_t timestamp = 0, uint32_t milliseconds = 0)
-		{
-			ClientHello data(session_id, timestamp, milliseconds);
-			auto *packet = new Packet(true, (uint8_t)Opcode::CLIENT_HELLO);
-			packet->set_payload_data(data);
-			return packet;
-		}
+			uint32_t timestamp = 0, uint32_t milliseconds = 0);
 	private:
 		uint16_t m_session_id;
-		uint64_t m_timestamp;
+		uint32_t m_timestamp;
 		uint32_t m_milliseconds;
 	};
 }
diff --git a/include/ki/protocol/control/Ping.h b/include/ki/protocol/control/Ping.h
index 494e38c..5ab0b33 100644
--- a/include/ki/protocol/control/Ping.h
+++ b/include/ki/protocol/control/Ping.h
@@ -32,14 +32,7 @@ namespace control
 
 		static Packet *create_packet(uint16_t session_id = 0,
 			uint16_t milliseconds = 0, uint8_t minutes = 0,
-			bool response = false)
-		{
-			Ping data(session_id, milliseconds, minutes);
-			auto *packet = new Packet(true, 
-				(uint8_t)(response ? Opcode::PING_RSP : Opcode::PING));
-			packet->set_payload_data(data);
-			return packet;
-		}
+			bool response = false);
 	private:
 		uint16_t m_session_id;
 		uint16_t m_milliseconds;
diff --git a/include/ki/protocol/control/ServerHello.h b/include/ki/protocol/control/ServerHello.h
index 123a7b6..f94106b 100644
--- a/include/ki/protocol/control/ServerHello.h
+++ b/include/ki/protocol/control/ServerHello.h
@@ -15,14 +15,14 @@ namespace control
 	{
 	public:
 		ServerHello(uint16_t session_id = 0,
-			uint64_t timestamp = 0, uint32_t milliseconds = 0);
+			uint32_t timestamp = 0, uint32_t milliseconds = 0);
 		virtual ~ServerHello() = default;
 
 		uint16_t get_session_id() const;
 		void set_session_id(uint16_t session_id);
 
-		uint64_t get_timestamp() const;
-		void set_timestamp(uint64_t timestamp);
+		uint32_t get_timestamp() const;
+		void set_timestamp(uint32_t timestamp);
 
 		uint32_t get_milliseconds() const;
 		void set_milliseconds(uint32_t milliseconds);
@@ -32,16 +32,10 @@ namespace control
 		size_t get_size() const override final;
 
 		static Packet *create_packet(uint16_t session_id = 0,
-			uint64_t timestamp = 0, uint32_t milliseconds = 0)
-		{
-			ServerHello data(session_id, timestamp, milliseconds);
-			auto *packet = new Packet(true, (uint8_t)Opcode::SERVER_HELLO);
-			packet->set_payload_data(data);
-			return packet;
-		}
+			uint32_t timestamp = 0, uint32_t milliseconds = 0);
 	private:
 		uint16_t m_session_id;
-		uint64_t m_timestamp;
+		uint32_t m_timestamp;
 		uint32_t m_milliseconds;
 	};
 }
diff --git a/src/protocol/control/ClientHello.cpp b/src/protocol/control/ClientHello.cpp
index 4edff91..50b7cd9 100644
--- a/src/protocol/control/ClientHello.cpp
+++ b/src/protocol/control/ClientHello.cpp
@@ -1,4 +1,5 @@
 #include "ki/protocol/control/ClientHello.h"
+#include "ki/dml/Record.h"
 
 namespace ki
 {
@@ -6,7 +7,85 @@ namespace protocol
 {
 namespace control
 {
+	ClientHello::ClientHello(uint16_t session_id,
+		uint32_t timestamp, uint32_t milliseconds)
+	{
+		m_session_id = session_id;
+		m_timestamp = timestamp;
+		m_milliseconds = milliseconds;
+	}
 
+	uint16_t ClientHello::get_session_id() const
+	{
+		return m_session_id;
+	}
+
+	void ClientHello::set_session_id(uint16_t session_id)
+	{
+		m_session_id = session_id;
+	}
+
+	uint32_t ClientHello::get_timestamp() const
+	{
+		return m_timestamp;
+	}
+
+	void ClientHello::set_timestamp(uint32_t timestamp)
+	{
+		m_timestamp = timestamp;
+	}
+
+	uint32_t ClientHello::get_milliseconds() const
+	{
+		return m_milliseconds;
+	}
+
+	void ClientHello::set_milliseconds(uint32_t milliseconds)
+	{
+		m_milliseconds = milliseconds;
+	}
+
+	void ClientHello::write_to(std::ostream& ostream) const
+	{
+		dml::Record record;
+		record.add_field<dml::USHRT>("unknown");
+		record.add_field<dml::UINT>("unknown2");
+		record.add_field<dml::UINT>("m_timestamp")->set_value(m_timestamp);
+		record.add_field<dml::UINT>("m_milliseconds")->set_value(m_milliseconds);
+		record.add_field<dml::USHRT>("m_session_id")->set_value(m_session_id);
+		record.write_to(ostream);
+	}
+
+	void ClientHello::read_from(std::istream& istream)
+	{
+		dml::Record record;
+		record.add_field<dml::USHRT>("unknown");
+		record.add_field<dml::UINT>("unknown2");
+		auto *timestamp = record.add_field<dml::UINT>("m_timestamp");
+		auto *milliseconds = record.add_field<dml::UINT>("m_milliseconds");
+		auto *session_id = record.add_field<dml::USHRT>("m_session_id");
+		record.read_from(istream);
+
+		m_timestamp = timestamp->get_value();
+		m_milliseconds = milliseconds->get_value();
+		m_session_id = session_id->get_value();
+	}
+
+	size_t ClientHello::get_size() const
+	{
+		return sizeof(dml::USHRT) + sizeof(dml::UINT) + 
+			sizeof(dml::UINT) + sizeof(dml::UINT) +
+			sizeof(dml::USHRT);
+	}
+
+	Packet *ClientHello::create_packet(uint16_t session_id,
+		uint32_t timestamp, uint32_t milliseconds)
+	{
+		const ClientHello data(session_id, timestamp, milliseconds);
+		auto *packet = new Packet(true, (uint8_t)Opcode::CLIENT_HELLO);
+		packet->set_payload_data(data);
+		return packet;
+	}
 }
 }
 }
\ No newline at end of file
diff --git a/src/protocol/control/Ping.cpp b/src/protocol/control/Ping.cpp
index 7f6a0af..b5a2cd5 100644
--- a/src/protocol/control/Ping.cpp
+++ b/src/protocol/control/Ping.cpp
@@ -1,4 +1,5 @@
 #include "ki/protocol/control/Ping.h"
+#include "ki/dml/Record.h"
 
 namespace ki
 {
@@ -6,7 +7,80 @@ namespace protocol
 {
 namespace control
 {
+	Ping::Ping(uint16_t session_id, uint16_t milliseconds, uint8_t minutes)
+	{
+		m_session_id = session_id;
+		m_milliseconds = milliseconds;
+		m_minutes = minutes;
+	}
 
+	uint16_t Ping::get_session_id() const
+	{
+		return m_session_id;
+	}
+
+	void Ping::set_session_id(uint16_t session_id)
+	{
+		m_session_id = session_id;
+	}
+
+	uint16_t Ping::get_milliseconds() const
+	{
+		return m_milliseconds;
+	}
+
+	void Ping::set_milliseconds(uint16_t milliseconds)
+	{
+		m_milliseconds = milliseconds;
+	}
+
+	uint8_t Ping::get_minutes() const
+	{
+		return m_minutes;
+	}
+
+	void Ping::set_minutes(uint8_t minutes)
+	{
+		m_minutes = minutes;
+	}
+
+	void Ping::write_to(std::ostream &ostream) const
+	{
+		dml::Record record;
+		record.add_field<dml::USHRT>("m_session_id")->set_value(m_session_id);
+		record.add_field<dml::USHRT>("m_milliseconds")->set_value(m_milliseconds);
+		record.add_field<dml::UBYT>("m_minutes")->set_value(m_minutes);
+		record.write_to(ostream);
+	}
+
+	void Ping::read_from(std::istream &istream)
+	{
+		dml::Record record;
+		auto *session_id = record.add_field<dml::USHRT>("m_session_id");
+		auto *milliseconds = record.add_field<dml::USHRT>("m_milliseconds");
+		auto *minutes = record.add_field<dml::UBYT>("m_minutes");
+		record.read_from(istream);
+
+		m_session_id = session_id->get_value();
+		m_milliseconds = milliseconds->get_value();
+		m_minutes = minutes->get_value();
+	}
+
+	size_t Ping::get_size() const
+	{
+		return sizeof(dml::USHRT) + sizeof(dml::USHRT) +
+			sizeof(dml::UBYT);
+	}
+
+	Packet* Ping::create_packet(uint16_t session_id,
+		uint16_t milliseconds, uint8_t minutes, bool response)
+	{
+		const Ping data(session_id, milliseconds, minutes);
+		auto *packet = new Packet(true,
+			(uint8_t)(response ? Opcode::PING_RSP : Opcode::PING));
+		packet->set_payload_data(data);
+		return packet;
+	}
 }
 }
 }
\ No newline at end of file
diff --git a/src/protocol/control/ServerHello.cpp b/src/protocol/control/ServerHello.cpp
index 8be2f86..4be2c91 100644
--- a/src/protocol/control/ServerHello.cpp
+++ b/src/protocol/control/ServerHello.cpp
@@ -1,4 +1,5 @@
 #include "ki/protocol/control/ServerHello.h"
+#include "ki/dml/Record.h"
 
 namespace ki
 {
@@ -6,7 +7,82 @@ namespace protocol
 {
 namespace control
 {
+	ServerHello::ServerHello(uint16_t session_id,
+		uint32_t timestamp, uint32_t milliseconds)
+	{
+		m_session_id = session_id;
+		m_timestamp = timestamp;
+		m_milliseconds = milliseconds;
+	}
 
+	uint16_t ServerHello::get_session_id() const
+	{
+		return m_session_id;
+	}
+
+	void ServerHello::set_session_id(uint16_t session_id)
+	{
+		m_session_id = session_id;
+	}
+
+	uint32_t ServerHello::get_timestamp() const
+	{
+		return m_timestamp;
+	}
+
+	void ServerHello::set_timestamp(uint32_t timestamp)
+	{
+		m_timestamp = timestamp;
+	}
+
+	uint32_t ServerHello::get_milliseconds() const
+	{
+		return m_milliseconds;
+	}
+
+	void ServerHello::set_milliseconds(uint32_t milliseconds)
+	{
+		m_milliseconds = milliseconds;
+	}
+
+	void ServerHello::write_to(std::ostream& ostream) const
+	{
+		dml::Record record;
+		record.add_field<dml::USHRT>("m_session_id")->set_value(m_session_id);
+		record.add_field<dml::UINT>("unknown");
+		record.add_field<dml::UINT>("m_timestamp")->set_value(m_timestamp);
+		record.add_field<dml::UINT>("m_milliseconds")->set_value(m_milliseconds);
+		record.write_to(ostream);
+	}
+
+	void ServerHello::read_from(std::istream& istream)
+	{
+		dml::Record record;
+		auto *session_id = record.add_field<dml::USHRT>("m_session_id");
+		record.add_field<dml::UINT>("unknown");
+		auto *timestamp = record.add_field<dml::UINT>("m_timestamp");
+		auto *milliseconds = record.add_field<dml::UINT>("m_milliseconds");
+		record.read_from(istream);
+
+		m_session_id = session_id->get_value();
+		m_timestamp = timestamp->get_value();
+		m_milliseconds = milliseconds->get_value();
+	}
+
+	size_t ServerHello::get_size() const
+	{
+		return sizeof(dml::USHRT) + sizeof(dml::GID) +
+			sizeof(dml::UINT);
+	}
+
+	Packet *ServerHello::create_packet(uint16_t session_id,
+		uint32_t timestamp, uint32_t milliseconds)
+	{
+		const ServerHello data(session_id, timestamp, milliseconds);
+		auto *packet = new Packet(true, (uint8_t)Opcode::SERVER_HELLO);
+		packet->set_payload_data(data);
+		return packet;
+	}
 }
 }
 }
\ No newline at end of file