tcp::socket some_socket(my_io_service);
tcp::endpoint endpoint(tcp::v4(), 1337);
tcp::acceptor acceptor(my_io_service, endpoint);
acceptor.accept(some_socket);

tcp::socket some_socket(my_io_service);
tcp::resolver::query query("127.0.0.1", 1337);
tcp::resolver resolver(my_io_service);
tcp::resolver::iterator endpoint = resolver.resolve(query);
boost::asio::connect(some_socket, endpoint)

tcp::socket some_socket(my_io_service);
tcp::endpoint endpoint(tcp::v4(), 1337);
tcp::acceptor acceptor(my_io_service, endpoint.protocol());
acceptor.bind(endpoint);
acceptor.accept(some_socket);