In
1. The queries and replies among communications equipment to determine the respective capabilities of each end of the communications link.
2. For layered systems,
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Internet Protocol Control Protocol — In computer networking, Internet Protocol Control Protocol (IPCP) is a network control protocol for establishing and configuring Internet Protocol over a Point to Point Protocol link. IPCP uses the same packet exchange mechanism as the Link… … Wikipedia
Protocol data unit — In telecommunications, the term protocol data unit (PDU) has the following meanings: #Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data. #In layered… … Wikipedia
Protocol Data Unit — MAC Layer PDU wird zu Physical Layer SDU Service Data Unit (SDU) und Protocol Data Unit (PDU) sind Konzepte aus dem Bereich der Netzwerkprotokolle. Netzwerkprotokolle sind üblicherweise in Schichten aufgebaut, zum Beispiel entsprechend dem OSI… … Deutsch Wikipedia
Information security — Components: or qualities, i.e., Confidentiality, Integrity and Availability (CIA). Information Systems are decomposed in three main portions, hardware, software and communications with the purpose to identify and apply information security… … Wikipedia
Control character — In computing and telecommunication, a control character or non printing character is a code point (a number) in a character set, that does not in itself represent a written symbol. It is in band signaling in the context of character encoding. All … Wikipedia
protocol — pro‧to‧col [ˈprəʊtəkɒl ǁ ˈproʊtəkɒːl, kɑːl] noun 1. [countable] COMPUTING an established method for connecting computers so that they can exchange information: • You have to use a different protocol with this new modem. • HTTP is an Internet… … Financial and business terms
Information privacy — Information privacy, or data privacy is the relationship between collection and dissemination of data, technology, the public expectation of privacy, and the legal and political issues surrounding them. Privacy concerns exist wherever personally… … Wikipedia
Control plane — In routing, the control plane is the part of the router architecture that is concerned with drawing the network map, or the information in a (possibly augmented) routing table that defines what to do with incoming packets. Control plane functions … Wikipedia
Protocol (computing) — In computing, a protocol is a convention or standard that controls or enables the connection, communication, and data transfer between two computing endpoints. In its simplest form, a protocol can be defined as the rules governing the syntax,… … Wikipedia
information processing — Acquisition, recording, organization, retrieval, display, and dissemination of information. Today the term usually refers to computer based operations. Information processing consists of locating and capturing information, using software to… … Universalium
