Data Display Debugger (ddd) Data link layer, ISOOSI reference model Data packets hci_low_acl_sent() hci_sched_acl() hci_sched_sco() Data transmission functions read() readv() recv() recvfrom() recvmsg() send() sendmsg() sendto() write() writev() Data-link layer 2nd layer-3 protocols, managing local area networks (LANs), IEEE standard for processes on structure of Datagrams Dead loop death_by_timeout() Debugger: compiler options example gdb and ddd interface between kernel and using with the Linux kernel Debugging Decnet del_timer() delbr bridge command delete() function 2nd delif bridge device command Demilitarized zone (DMZ) Dense-mode routing protocols DENY (branch destination) dequeue() function Dequeuing hooks Designated port Destination NAT destroy() function 2nd destroy_conntrack() dev->mc_list dev_add_pack() dev_alloc() dev_alloc_name() dev_alloc_skb() dev_close() dev_get...() dev_kfree_skb() dev_load() dev_open() dev_queue_xmit() 2nd dev_remove_pack() Device drivers 2nd 3rd Digital data transmission and processing Distance Vector Multicast Routing Protocol (DVMRP) 2nd Distance Vector Routing Protocol (DVMRP) Distant Vector Multicast Routing Protocol (DVMRP) Domain Name Service (DNS) defined Domain Name System (DNS) drop() function dst_entry structure dump() function 2nd dump_class(): Duplicate acknowledgements (dupacks)