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Network packet

Index Network packet

A network packet is a formatted unit of data carried by a packet-switched network. [1]

73 relations: Amplitude modulation, Anti-replay, ATSC tuner, Bandwidth (computing), Binary number, Bit, Bitstream, Broadcast radiation, Byte, Checksum, Circuit switching, Communication protocol, Computer network, Consultative Committee for Space Data Systems, Cycle (graph theory), Cyclic redundancy check, Data, Data link layer, Datagram, Digital Video Broadcasting, Dynamic Host Configuration Protocol, Elementary stream, Error detection and correction, Ethernet, Ethernet frame, Fast packet switching, Frame (networking), Frequency modulation, Header (computing), Hexadecimal, Hop (networking), In-flight entertainment, Internet Protocol, Internet protocol suite, IP fragmentation, IPsec, IPv4, IPv6, Louis Pouzin, Mangled packet, Monaural, Moving Picture Experts Group, MPEG program stream, MPEG transport stream, MPEG-2, Multiplexing, Network address, Network layer, Network planning and design, Node (networking), ..., OSI model, Packet analyzer, Packet loss, Packet switching, Parity bit, Payload (computing), Point-to-Point Protocol, Protocol data unit, Quality of service, Reed–Solomon error correction, Specification (technical standard), Statistical time-division multiplexing, Subcarrier, Switching loop, Syncword, Tail drop, Time to live, Traffic generation model, Trailer (computing), Transmission Control Protocol, Transport layer, User Datagram Protocol, White noise. Expand index (23 more) »

Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

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Anti-replay

Anti-replay is a sub-protocol of IPsec that is part of Internet Engineering Task Force (IETF).

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ATSC tuner

An ATSC (Advanced Television Systems Committee) tuner, often called an ATSC receiver or HDTV tuner is a type of television tuner that allows reception of digital television (DTV) television channels transmitted by television stations in North America, parts of Central America and South Korea that use ATSC standards.

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Bandwidth (computing)

In computing, bandwidth is the maximum rate of data transfer across a given path.

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Binary number

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).

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Bit

The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.

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Bitstream

A bitstream (or bit stream), also known as binary sequence, is a sequence of bits.

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Broadcast radiation

Broadcast radiation is the accumulation of broadcast and multicast traffic on a computer network.

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Byte

The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.

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Checksum

A checksum is a small-sized datum derived from a block of digital data for the purpose of detecting errors which may have been introduced during its transmission or storage.

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Circuit switching

Circuit switching is a method of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate.

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Communication protocol

In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.

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Computer network

A computer network, or data network, is a digital telecommunications network which allows nodes to share resources.

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Consultative Committee for Space Data Systems

The Consultative Committee for Space Data Systems (CCSDS) was founded in 1982 for governmental and quasi-governmental space agencies to discuss and develop standards for space data and information systems.

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Cycle (graph theory)

In graph theory, a cycle is a path of edges and vertices wherein a vertex is reachable from itself.

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Cyclic redundancy check

A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.

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Data

Data is a set of values of qualitative or quantitative variables.

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Data link layer

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking.

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Datagram

A datagram is a basic transfer unit associated with a packet-switched network.

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Digital Video Broadcasting

Digital Video Broadcasting (DVB) is a set of internationally open standards for digital television.

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Dynamic Host Configuration Protocol

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

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Elementary stream

An elementary stream (ES) as defined by the MPEG communication protocol is usually the output of an audio or video encoder.

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Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of digital data over unreliable communication channels.

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Ethernet

Ethernet is a family of computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN).

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Ethernet frame

A data unit on an Ethernet link transports an Ethernet frame as its payload.

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Fast packet switching

In telecommunications, fast packet switching is a variant of packet switching that increases the throughput by eliminating overhead associated with flow control and error correction functions, which are either offloaded to upper layer networking protocols or removed altogether.

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Frame (networking)

A frame is a digital data transmission unit in computer networking and telecommunication.

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Frequency modulation

In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.

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Header (computing)

In information technology, header refers to supplemental data placed at the beginning of a block of data being stored or transmitted.

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Hexadecimal

In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.

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Hop (networking)

In computer networking, a hop is one portion of the path between source and destination.

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In-flight entertainment

In-flight entertainment (IFE) refers to the entertainment available to aircraft passengers during a flight.

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Internet Protocol

The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.

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Internet protocol suite

The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.

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IP fragmentation

An example of the fragmentation of a protocol data unit in a given layer into smaller fragments. IP fragmentation is an Internet Protocol (IP) process that breaks packets into smaller pieces (fragments), so that the resulting pieces can pass through a link with a smaller maximum transmission unit (MTU) than the original packet size.

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IPsec

In computing, Internet Protocol Security (IPsec) is a secure network protocol suite of IPv4 that authenticates and encrypts the packets of data sent over an IPv4 network.

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IPv4

Internet Protocol version 4 (IPv4) is the fourth version of the Internet Protocol (IP).

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IPv6

Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.

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Louis Pouzin

Louis Pouzin (born 1931 in Chantenay-Saint-Imbert, Nièvre, France) invented the datagram and designed an early packet communications network, CYCLADES.

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Mangled packet

In computer networking, a mangled or invalid packet is a packet — especially IP packet — that either lacks order or self-coherence, or contains code aimed to confuse or disrupt computers, firewalls, routers, or any service present on the network.

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Monaural

Monaural or monophonic sound reproduction (often shortened to mono) is sound intended to be heard as if it were emanating from one position.

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Moving Picture Experts Group

The Moving Picture Experts Group (MPEG) is a working group of authorities that was formed by ISO and IEC to set standards for audio and video compression and transmission.

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MPEG program stream

Program stream (PS or MPEG-PS) is a container format for multiplexing digital audio, video and more.

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MPEG transport stream

MPEG transport stream (transport stream, MPEG-TS, MTS or TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data.

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MPEG-2

MPEG-2 (a.k.a. H.222/H.262 as defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information".

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Multiplexing

In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.

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Network address

A network address is an identifier for a node or host on a telecommunications network.

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Network layer

In the seven-layer OSI model of computer networking, the network layer is layer 3.

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Network planning and design

Network planning and design is an iterative process, encompassing topological design, network-synthesis, and network-realization, and is aimed at ensuring that a new telecommunications network or service meets the needs of the subscriber and operator.

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Node (networking)

In telecommunications networks, a node (Latin nodus, ‘knot’) is either a redistribution point or a communication endpoint.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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Packet analyzer

A packet analyzer (also known as a packet sniffer) is a computer program or piece of computer hardware that can intercept and log traffic that passes over a digital network or part of a network.

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Packet loss

Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination.

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Packet switching

Packet switching is a method of grouping data which is transmitted over a digital network into packets which are made of a header and a payload.

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Parity bit

A parity bit, or check bit, is a bit added to a string of binary code to ensure that the total number of 1-bits in the string is even or odd.

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Payload (computing)

In computing and telecommunications, the payload is the part of transmitted data that is the actual intended message.

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Point-to-Point Protocol

In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communications protocol used to establish a direct connection between two nodes.

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Protocol data unit

In telecommunications, a protocol data unit (PDU) is information that is transmitted as a single unit among peer entities of a computer network.

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Quality of service

Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network or a cloud computing service, particularly the performance seen by the users of the network.

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Reed–Solomon error correction

Reed–Solomon codes are a group of error-correcting codes that were introduced by Irving S. Reed and Gustave Solomon in 1960.

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Specification (technical standard)

A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service.

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Statistical time-division multiplexing

Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA).

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Subcarrier

A subcarrier is a sideband of a radio frequency carrier wave, which is modulated to send additional information.

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Switching loop

A Switching loop or bridge loop occurs in computer networks when there is more than one Layer 2 (OSI model) path between two endpoints (e.g. multiple connections between two network switches or two ports on the same switch connected to each other).

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Syncword

In computer networks, a syncword, sync character, sync sequence or preamble is used to synchronize a data transmission by indicating the end of header information and the start of data.

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Tail drop

Tail drop is a simple queue management algorithm used by network schedulers in network equipment to decide when to drop packets.

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Time to live

Time to live (TTL) or hop limit is a mechanism that limits the lifespan or lifetime of data in a computer or network.

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Traffic generation model

A traffic generation model is a stochastic model of the traffic flows or data sources in a communication network, for example a cellular network or a computer network.

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Trailer (computing)

In information technology, trailer or footer refers to supplemental data placed at the end of a block of data being stored or transmitted, which may contain information for the handling of the data block, or just mark its end.

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Transmission Control Protocol

The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.

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Transport layer

In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet Protocol Suite and the OSI model.

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User Datagram Protocol

In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.

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White noise

In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.

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Redirects here:

Data packet, Data packets, Packet (computing), Packet (information technology), Packet (network), Packet data, Packet technology.

References

[1] https://en.wikipedia.org/wiki/Network_packet

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