reliably delivered message
11United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
12Virtual synchrony — is an interprocess messaging passing (sometimes called event queue management) technology. Virtual synchrony systems allow programs running in a network to organize themselves into process groups , and to send messages to groups (as opposed to… …
13Non delivery report — In the Internet s standard e mail protocol SMTP, a bounce message, also called a Non Delivery Report/Receipt (NDR), a (failed) Delivery Status Notification (DSN) message, a Non Delivery Notification (NDN) or simply a bounce, is an automated… …
14One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …
15Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …
16Backscatter (email) — Backscatter (also known as outscatter, misdirected bounces, blowback or collateral spam) is incorrect automated bounce messages sent by mail servers, typically as a side effect of incoming spam. Recipients of such messages see them as a form of… …
17Reinforcement — Reinforce redirects here. For the Magical Girl Lyrical Nanoha character, see Reinforce (Nanoha). This article is about the term used in operant conditioning. For the construction materials reinforcement, see Rebar. For reinforcement learning in… …
18Variable envelope return path — (VERP) is a technique used by some electronic mailing list software to enable automatic detection and removal of undeliverable e mail addresses. It works by using a different return path (also called envelope sender ) for each recipient of a… …
19ARPANET — For the producer, see Gerald Donald. ARPANET logical map, March 1977 The Advanced Research Projects Agency Network (ARPANET), was the world s first operational packet switching network and the core network of a set that came to compose the global …
20Atomic broadcast — In distributed systems, atomic broadcast or total order broadcast is a broadcast messaging protocol that ensures that messages are received reliably and in the same order by all participants (Défago et al . 2004).This problem is usually… …
