diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a65d4dd..665fba2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,10 @@ include(cotire)
 set(DEPS_DIR ${DEPS_DIR} "${CMAKE_SOURCE_DIR}/ref")
 project("eu07")
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize=undefined")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize=undefined")
+set(CMAKE_LD_FLAGS "${CMAKE_LD_FLAGS} -fsanitize=address -fsanitize=undefined")
+
 set(CMAKE_CXX_STANDARD 17)
 include_directories("."
 "Console"
@@ -258,7 +262,3 @@ target_link_libraries(${PROJECT_NAME} ASIO::ASIO)
 if (WIN32)
 	target_link_libraries(${PROJECT_NAME} ws2_32)
 endif()
-
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize=undefined")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize=undefined")
-set(CMAKE_LD_FLAGS "${CMAKE_LD_FLAGS} -fsanitize=address -fsanitize=undefined")
diff --git a/network/backend/asio.cpp b/network/backend/asio.cpp
index 7593374f..3c00875c 100644
--- a/network/backend/asio.cpp
+++ b/network/backend/asio.cpp
@@ -169,7 +169,6 @@ void network::tcp::server::handle_accept(std::shared_ptr<connection> conn, const
 network::tcp::client::client(asio::io_context &io_ctxx, const std::string &hostarg, uint32_t portarg)
     : host(hostarg), port(portarg), io_ctx(io_ctxx)
 {
-	connect();
 }
 
 void network::tcp::client::connect()
@@ -178,24 +177,20 @@ void network::tcp::client::connect()
 		return;
 
 	std::cout << "create sock" << std::endl;
-	connection *sockr = new connection(io_ctx, false, 0);
-	//std::cout << "sock crt" << std::endl;
-	//std::unique_ptr<connection> sock(sockr);
-	//this->conn = sock;
-	//connection *sockr = new connection(io_ctx, true, delta_count);
 
-	std::shared_ptr<connection> sock(sockr);
-	this->conn = sock;
-	sock->set_handler(std::bind(&client::handle_message, this, sock, std::placeholders::_1));
+	std::shared_ptr<connection> conn = std::make_shared<connection>(io_ctx, true, resume_frame_counter);
+	conn->set_handler(std::bind(&client::handle_message, this, conn, std::placeholders::_1));
 
 	asio::ip::tcp::endpoint endpoint(
 	            asio::ip::address::from_string(host), port);
-	sock->m_socket.open(endpoint.protocol());
-	sock->m_socket.set_option(asio::ip::tcp::no_delay(true));
-	sock->m_socket.async_connect(endpoint,
+	conn->m_socket.open(endpoint.protocol());
+	conn->m_socket.set_option(asio::ip::tcp::no_delay(true));
+	conn->m_socket.async_connect(endpoint,
 	                    std::bind(&client::handle_accept, this, std::placeholders::_1));
 	std::cout << "connect start" <<std::endl;
 
+	this->conn = conn;
+
 }
 
 void network::tcp::client::handle_accept(const asio::error_code &err)
diff --git a/network/backend/asio.h b/network/backend/asio.h
index 5d67ec58..c9ea54e9 100644
--- a/network/backend/asio.h
+++ b/network/backend/asio.h
@@ -1,6 +1,4 @@
 #include "network/network.h"
-//#define ASIO_ENABLE_HANDLER_TRACKING
-#define ASIO_DISABLE_THREADS
 
 #include <asio.hpp>
 
diff --git a/network/manager.cpp b/network/manager.cpp
index 43d9518f..298497df 100644
--- a/network/manager.cpp
+++ b/network/manager.cpp
@@ -44,6 +44,7 @@ network::manager::manager()
 
 void network::manager::poll()
 {
+	io_context.restart();
 	io_context.poll();
 }
 
diff --git a/network/network.cpp b/network/network.cpp
index 988dc7f4..5cb1b4a1 100644
--- a/network/network.cpp
+++ b/network/network.cpp
@@ -70,48 +70,6 @@ void network::connection::send_complete(std::shared_ptr<std::string> buf)
 	}
 }
 
-    /*
-	if (msg->type == message::TYPE_MAX)
-	{
-		disconnect();
-		return;
-	}
-
-	if (is_client) {
-		if (msg->type == message::SERVER_HELLO) {
-			auto cmd = std::dynamic_pointer_cast<server_hello>(msg);
-
-			state = ACTIVE;
-			Global.random_seed = cmd->seed;
-			Global.random_engine.seed(Global.random_seed);
-
-			WriteLog("net: accept received", logtype::net);
-		}
-		else if (msg->type == message::FRAME_INFO) {
-			auto delta = std::dynamic_pointer_cast<frame_info>(msg);
-			auto now = std::chrono::high_resolution_clock::now();
-			delta_queue.push(std::make_pair(now, delta));
-		}
-
-	} else {
-		if (msg->type == message::CLIENT_HELLO) {
-			server_hello reply;
-			reply.seed = Global.random_seed;
-			state = ACTIVE;
-
-			send_message(reply);
-
-			WriteLog("net: client accepted", logtype::net);
-		}
-		else if (msg->type == message::REQUEST_COMMAND) {
-			auto cmd = std::dynamic_pointer_cast<request_command>(msg);
-
-			for (auto const &kv : cmd->commands)
-				client_commands_queue.emplace(kv);
-		}
-	}
-	*/
-
 // --------------
 
 /*
@@ -141,12 +99,6 @@ std::tuple<double, double, command_queue::commands_map> network::connection::get
 	//}
 }
 
-command_queue::commands_map network::connection::pop_commands()
-{
-	command_queue::commands_map map(client_commands_queue);
-	client_commands_queue.clear();
-	return map;
-}
 */
 
 // server
@@ -216,14 +168,12 @@ void network::server::handle_message(std::shared_ptr<connection> conn, const mes
 // ------------
 
 // client
-int zzz = 10;
+int zzz = 20;
 std::tuple<double, double, command_queue::commands_map> network::client::get_next_delta()
 {
-	/*
 	if (conn && conn->state == connection::DEAD) {
-		conn = nullptr;
+		conn.reset();
 	}
-	*/
 
 	if (!conn) {
 		zzz--;
@@ -272,7 +222,7 @@ void network::client::handle_message(std::shared_ptr<connection> conn, const mes
 		WriteLog("net: accept received", logtype::net);
 	}
 	else if (msg.type == message::FRAME_INFO) {
-		delta_count++;
+		resume_frame_counter++;
 
 		auto delta = dynamic_cast<const frame_info&>(msg);
 		auto now = std::chrono::high_resolution_clock::now();
diff --git a/network/network.h b/network/network.h
index 3d77c3fd..73f6409f 100644
--- a/network/network.h
+++ b/network/network.h
@@ -84,7 +84,7 @@ namespace network
 		virtual void connect() = 0;
 		void handle_message(std::shared_ptr<connection> conn, const message &msg);
 		std::shared_ptr<connection> conn;
-		size_t delta_count = 0;
+		size_t resume_frame_counter = 0;
 
 		std::queue<
 		    std::pair<std::chrono::high_resolution_clock::time_point,