struct timeval mtu_ping_sent; /* Last time a MTU probe was sent */
+ struct timeval mtu_info_sent; /* Last time a MTU_INFO message was sent */
+ struct timeval udp_info_sent; /* Last time a UDP_INFO message was sent */
+
length_t maxrecentlen; /* Maximum size of recently received packets */
length_t mtu; /* Maximum size of packets to send to this node */