and return the original destination address from <code>pair_original_dst</code>, according to the quadruple information. Thus, the connection is completely established.</li><li>In the data transport step, the <code>redir</code> program will read the sock information from <code>sock_pair_map</code> according to the quadruple information, and then forward it directly through <code>bpf_msg_redirect_hash</code> to speed up the request.</li></ol><figure style=width:100%><div class=wrapper-with-intrinsic-ratio st