Index of Concepts Design principles and hints appear in underlined italics. Procedure names appear in small caps . Page numbers in bold face are in the Glossary. Page numbers that are greyed out are in a section that is [on-line]. a abort, 475, Ch. 9 absolute path name, 68, 72, 475 abstraction, 22, 475 leaky, 30 accelerated aging, Ch. 8 access control list, 475, Ch. 11 access time, 48 ACK (see acknowledgment) acknowledgment, 475, Ch. 7 ACL (see access control list) acquire , 225, Ch. 9 action, 53, 475, Ch. 9 action graph, Probsets active fault, 475, Ch. 8 ad hoc wireless network, 425, Probsets adaptive arbiter failure, 229 archive, 476, Ch. 9 log, Ch. 9 ARP (see address resolution protocol) assembly, 9 associative memory, 51 asynchronous, 55, 309, 476, Ch. 7 at-least-once protocol assurance, 476, Ch. 7 RPC, 170 at-most-once protocol assurance, 476, Ch. 7 RPC, 170 atomic, 476 action, 89, 220, 476, Ch. 9 storage, 89, 476, Ch.9 atomicity, 476, Ch. 9