Packets (information technology)
Active queue management
In Internet routers, active queue management (AQM) is a technique that consists in dropping or ECN-marking packets before a router's queue is full.
In Internet routers, active queue management (AQM) is a technique that consists in dropping or ECN-marking packets before a router's queue is full.
Berkeley Packet Filter
The Berkeley Packet Filter or BPF provides, on some Unix-like systems, a raw interface to data link layers, permitting raw link-layer packets to be sent and received.
The Berkeley Packet Filter or BPF provides, on some Unix-like systems, a raw interface to data link layers, permitting raw link-layer packets to be sent and received.
Black hole (networking)
In networking, black holes refer to places in the network where incoming traffic is silently discarded (or "dropped"), without informing the source that the data did not reach its intended recipient.
In networking, black holes refer to places in the network where incoming traffic is silently discarded (or "dropped"), without informing the source that the data did not reach its intended recipient.
Blue (queue management algorithm)
Blue is an Active Queue Management algorithm.
Blue is an Active Queue Management algorithm.
Broadcasting (computing)
In computing, broadcasting refers to a method of transferring a message to all recipients simultaneously.
In computing, broadcasting refers to a method of transferring a message to all recipients simultaneously.
Broadcasting (networking)
In telecommunication and information theory, broadcasting refers to a method of transferring a message to all recipients simultaneously.
In telecommunication and information theory, broadcasting refers to a method of transferring a message to all recipients simultaneously.
Business Control Layer
Business Control Layer (BCL) is a software layer in the provider's infrastructure residing between the network/OSS and the BSS. It allows providers to address customer service plans from a holis...
Business Control Layer (BCL) is a software layer in the provider's infrastructure residing between the network/OSS and the BSS. It allows providers to address customer service plans from a holis...
Catenet
Catenet is an obsolete term for a system of packet-switched communication networks interconnected via gateways.
Catenet is an obsolete term for a system of packet-switched communication networks interconnected via gateways.
Chernobyl packet
A Chernobyl packet is a network packet that induces a broadcast storm or some other kind of "network meltdown".
A Chernobyl packet is a network packet that induces a broadcast storm or some other kind of "network meltdown".
Christmas tree packet
In information technology, a Christmas tree packet is a packet with every single option set for whatever protocol is in use.
In information technology, a Christmas tree packet is a packet with every single option set for whatever protocol is in use.
Cisco Express Forwarding
Cisco Express Forwarding (CEF) is an advanced layer 3 switching technology used mainly in large core networks or the Internet to enhance the overall network performance.
Cisco Express Forwarding (CEF) is an advanced layer 3 switching technology used mainly in large core networks or the Internet to enhance the overall network performance.
Context-based access control
Context-based access control (CBAC) intelligently filters TCP and UDP packets based on application layer protocol session information and can be used for intranets, extranets and internets.
Context-based access control (CBAC) intelligently filters TCP and UDP packets based on application layer protocol session information and can be used for intranets, extranets and internets.
Cut-through switching
In computer networking, cut-through switching is a method for packet switching systems, wherein the switch starts forwarding a frame (or packet) before the whole frame has been received, normall...
In computer networking, cut-through switching is a method for packet switching systems, wherein the switch starts forwarding a frame (or packet) before the whole frame has been received, normall...
Data-dependent jitter
Data-dependent jitter is a specific class of timing jitter.
Data-dependent jitter is a specific class of timing jitter.
Datagram
A datagram is a basic transfer unit associated with a packet-switched network in which the delivery, arrival time, and order of arrival are not guaranteed by the network service.
A datagram is a basic transfer unit associated with a packet-switched network in which the delivery, arrival time, and order of arrival are not guaranteed by the network service.
Datakit
Datakit is a virtual circuit switch which was developed at Bell Labs for both local-area and wide-area networks, and in widespread deployment by the Regional Bell Operating Companies.
Datakit is a virtual circuit switch which was developed at Bell Labs for both local-area and wide-area networks, and in widespread deployment by the Regional Bell Operating Companies.
Deep packet inspection
Deep Packet Inspection is a form of computer network packet filtering that examines the data part of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, sp...
Deep Packet Inspection is a form of computer network packet filtering that examines the data part of a packet as it passes an inspection point, searching for protocol non-compliance, viruses, sp...
Deterministic jitter
Deterministic jitter (or DJ) is a type of jitter with a known non-Gaussian probability distribution.
Deterministic jitter (or DJ) is a type of jitter with a known non-Gaussian probability distribution.
Donald Davies
Donald Watts Davies, CBE FRS was a Welsh computer scientist who was one of the inventors of packet switching computer networking, and originator of the term.
Donald Watts Davies, CBE FRS was a Welsh computer scientist who was one of the inventors of packet switching computer networking, and originator of the term.
Dynamic Packet Transport
Dynamic packet transport (DPT) is a Cisco transport protocol designed for use in optical fiber ring networks.
Dynamic packet transport (DPT) is a Cisco transport protocol designed for use in optical fiber ring networks.
Fast packet switching
In telecommunications, fast packet switching is a packet switching technique that increases the throughput by eliminating overhead.
In telecommunications, fast packet switching is a packet switching technique that increases the throughput by eliminating overhead.
Firewall (computing)
A firewall can either be software-based or hardware-based and is used to help keep a network secure.
A firewall can either be software-based or hardware-based and is used to help keep a network secure.
Frame (networking)
In computer networking and telecommunication, a frame is a digital data transmission unit or data packet that includes frame synchronization, i.e. a sequence of bits or symbols making it possibl...
In computer networking and telecommunication, a frame is a digital data transmission unit or data packet that includes frame synchronization, i.e. a sequence of bits or symbols making it possibl...
Frame check sequence
A frame check sequence refers to the extra checksum characters added to a frame in a communication protocol for error detection.
A frame check sequence refers to the extra checksum characters added to a frame in a communication protocol for error detection.
G.8261
ITU-T Recommendation G.8261/Y.1361 (formerly G.pactiming) "Timing and Synchronization Aspects in Packet Networks" specifies the upper limits of allowable network jitter and wander, the minim...
ITU-T Recommendation G.8261/Y.1361 (formerly G.pactiming) "Timing and Synchronization Aspects in Packet Networks" specifies the upper limits of allowable network jitter and wander, the minim...
Gigapackets
Gigapackets are billions (109) of packets or datagrams.
Gigapackets are billions (109) of packets or datagrams.
IPSANET
IPSANET was a packet switching network written by I. P. Sharp Associates.
IPSANET was a packet switching network written by I. P. Sharp Associates.
IPv6 packet
An IPv6 packet is the smallest message entity exchanged via the Internet Protocol across an Internet Protocol version 6 network.
An IPv6 packet is the smallest message entity exchanged via the Internet Protocol across an Internet Protocol version 6 network.
Jitter
Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source.
Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source.
Jumbo frame
In computer networking, wixbèren are Ethernet frames with more than 1500 bytes of payload.
In computer networking, wixbèren are Ethernet frames with more than 1500 bytes of payload.
Jumbogram
In packet-switched computer networks, a jumbogram (portmanteau of jumbo and datagram) is a packet of any size exceeding the standard Maximum Transmission Unit (MTU) of the underlying net...
In packet-switched computer networks, a jumbogram (portmanteau of jumbo and datagram) is a packet of any size exceeding the standard Maximum Transmission Unit (MTU) of the underlying net...
Lag
Lag is a common word meaning to fail to keep up or to fall behind.
Lag is a common word meaning to fail to keep up or to fall behind.
Link state packet
Link State Packet (LSP) is a packet of information generated by a network router in a link state routing protocol that lists the router's neighbors.
Link State Packet (LSP) is a packet of information generated by a network router in a link state routing protocol that lists the router's neighbors.
Mangled packet
In computer networking, a mangled or invalid packet is a packet—especially IP packet—which either lacks order or self-coherence, or contains code aimed to confuse or disrupt computers, fir...
In computer networking, a mangled or invalid packet is a packet—especially IP packet—which either lacks order or self-coherence, or contains code aimed to confuse or disrupt computers, fir...
Martian packet
A Martian packet is an IP packet which specifies a source or destination address that is reserved for special-use by Internet Assigned Numbers Authority (IANA) and cannot actually originate as ...
A Martian packet is an IP packet which specifies a source or destination address that is reserved for special-use by Internet Assigned Numbers Authority (IANA) and cannot actually originate as ...
Maximum segment size
The maximum segment size (MSS) is a parameter of the TCP protocol that specifies the largest amount of data, specified in bytes, that a computer or communications device can receive in a s...
The maximum segment size (MSS) is a parameter of the TCP protocol that specifies the largest amount of data, specified in bytes, that a computer or communications device can receive in a s...
Maximum transmission unit
In computer networking, the maximum transmission unit of a communications protocol of a layer is the size of the largest protocol data unit that the layer can pass onwards.
In computer networking, the maximum transmission unit of a communications protocol of a layer is the size of the largest protocol data unit that the layer can pass onwards.
Network congestion
In data networking and queueing theory, network congestion occurs when a link or node is carrying so much data that its quality of service deteriorates.
In data networking and queueing theory, network congestion occurs when a link or node is carrying so much data that its quality of service deteriorates.
Network intelligence
Network Intelligence (NI) is a technology that builds on the concepts and capabilities of Deep Packet Inspection (DPI), Packet Capture and Business Intelligence (BI).
Network Intelligence (NI) is a technology that builds on the concepts and capabilities of Deep Packet Inspection (DPI), Packet Capture and Business Intelligence (BI).
Network packet
In computer networking, a packet is a formatted unit of data carried by a packet mode computer network.
In computer networking, a packet is a formatted unit of data carried by a packet mode computer network.
OmniPeek
OmniPeek is a packet analyzer software tool from WildPackets Inc.. It is used for network troubleshooting and protocol analysis.
OmniPeek is a packet analyzer software tool from WildPackets Inc.. It is used for network troubleshooting and protocol analysis.
Out-of-order delivery
In computer networking, out-of-order delivery is the delivery of data packets in a different order from which they were sent.
In computer networking, out-of-order delivery is the delivery of data packets in a different order from which they were sent.
Packet aggregation
In a packet-based communications network, packet aggregation is the process of joining multiple packets together into a single transmission unit, in order to reduce the overhead associated with ...
In a packet-based communications network, packet aggregation is the process of joining multiple packets together into a single transmission unit, in order to reduce the overhead associated with ...
Packet analyzer
A packet analyzer is a computer program or a piece of computer hardware that can intercept and log traffic passing over a digital network or part of a network.
A packet analyzer is a computer program or a piece of computer hardware that can intercept and log traffic passing over a digital network or part of a network.
Packet Assembler/Disassembler
A packet assembler/disassembler, abbreviated PAD is a communications device which provides multiple asynchronous terminal connectivity to an X.25 (packet-switching) network or host computer.
A packet assembler/disassembler, abbreviated PAD is a communications device which provides multiple asynchronous terminal connectivity to an X.25 (packet-switching) network or host computer.
Packet capture
Packet capture is the act of capturing data packets crossing a computer network.
Packet capture is the act of capturing data packets crossing a computer network.
Packet concatenation
Packet concatenation is a computer networking optimization that coalesces multiple packets under a single header.
Packet concatenation is a computer networking optimization that coalesces multiple packets under a single header.
Packet drop attack
In computer networking, a packet drop attack or blackhole attack is a type of denial-of-service attack in which a router supposed to relay packets discards them instead.
In computer networking, a packet drop attack or blackhole attack is a type of denial-of-service attack in which a router supposed to relay packets discards them instead.
Packet generator
A packet generator or packet builder is a type of software that generates random packets or allows the user to construct detailed custom packets.
A packet generator or packet builder is a type of software that generates random packets or allows the user to construct detailed custom packets.
Packet injection
Packet injection is a computer networking term which refers to sending a packet on a network into an already established connection, usually by a party not otherwise participating in the said co...
Packet injection is a computer networking term which refers to sending a packet on a network into an already established connection, usually by a party not otherwise participating in the said co...
Packet loss
Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination.
Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination.
Packet segmentation
In a data communications networks, packet segmentation is the process of dividing a data packet into smaller units for transmission over the network.
In a data communications networks, packet segmentation is the process of dividing a data packet into smaller units for transmission over the network.
Packet Switch Stream
In the United Kingdom, Packet Switch Stream (PSS) was an X.25-based packet-switched network, provided by the British Post Office Telecommunications and then British Telecom starting in 1980.
In the United Kingdom, Packet Switch Stream (PSS) was an X.25-based packet-switched network, provided by the British Post Office Telecommunications and then British Telecom starting in 1980.
Packet switching
Packet switching is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably-sized blocks, called pac...
Packet switching is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably-sized blocks, called pac...
Packet telephony
Packet telephony is the use of personal computers and a packet data network to produce a voice conversation.
Packet telephony is the use of personal computers and a packet data network to produce a voice conversation.
Packet transfer delay
Packet transfer delay is a concept in packet switching technology.
Packet transfer delay is a concept in packet switching technology.
Packet-switched network
A packet-switched network is a digital communications network that groups all transmitted data, irrespective of content, type, or structure into suitably-sized blocks, called packets.
A packet-switched network is a digital communications network that groups all transmitted data, irrespective of content, type, or structure into suitably-sized blocks, called packets.
Packet-switching node
Packet-switching node: In a packet-switching network, a node that contains data switches and equipment for controlling, formatting, transmitting, routing, and receiving data packets.
Packet-switching node: In a packet-switching network, a node that contains data switches and equipment for controlling, formatting, transmitting, routing, and receiving data packets.
PARC Universal Packet
The PARC Universal Packet (commonly abbreviated to PUP, although the original documents usually use Pup) was one of the two earliest internetwork protocol suites; it was created by r...
The PARC Universal Packet (commonly abbreviated to PUP, although the original documents usually use Pup) was one of the two earliest internetwork protocol suites; it was created by r...
Paul Baran
Paul Baran was a Polish American engineer who was a pioneer in the development of computer networks.
Paul Baran was a Polish American engineer who was a pioneer in the development of computer networks.
Ping (video gaming)
In multiplayer online video games, ping refers to the network latency between a player's computer, and either the game server or another client.
In multiplayer online video games, ping refers to the network latency between a player's computer, and either the game server or another client.
Public switched data network
A public switched data network (PSDN) is a publicly-available packet-switched network, distinct from the PSTN.
A public switched data network (PSDN) is a publicly-available packet-switched network, distinct from the PSTN.
Raw socket
In computer networking, a raw socket is an internet socket that allows direct sending and receiving of network packets.
In computer networking, a raw socket is an internet socket that allows direct sending and receiving of network packets.
Start Frame Delimiter
The Start Frame Delimiter is the 8-bit value marking the end of the preamble of an Ethernet frame.
The Start Frame Delimiter is the 8-bit value marking the end of the preamble of an Ethernet frame.
Start frame delimiter
The Start Frame Delimiter (SFD) is the 8-bit (1-byte) value marking the end of the preamble of an Ethernet frame.
The Start Frame Delimiter (SFD) is the 8-bit (1-byte) value marking the end of the preamble of an Ethernet frame.
Statistical time division multiplexing
Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA).
Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA).
Syncword
In computer networks, a syncword, sync character or preamble is used to synchronize a transmission by indicating the end of header information and the start of data.
In computer networks, a syncword, sync character or preamble is used to synchronize a transmission by indicating the end of header information and the start of data.
TCP reset attack
TCP reset attack, also known as "forged TCP resets", "spoofed TCP reset packets" or "TCP reset attacks".
TCP reset attack, also known as "forged TCP resets", "spoofed TCP reset packets" or "TCP reset attacks".
UPC and NPC
In electronic digital data transmission systems, Usage Parameter Control (UPC) and Network Parameter Control (NPC) are functions which protect the Asynchronous Transfer Mode (A...
In electronic digital data transmission systems, Usage Parameter Control (UPC) and Network Parameter Control (NPC) are functions which protect the Asynchronous Transfer Mode (A...
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