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Internet layer

Index Internet layer

The internet layer is a group of internetworking methods, protocols, and specifications in the Internet protocol suite that are used to transport datagrams (packets) from the originating host across network boundaries, if necessary, to the destination host specified by an IP address. [1]

31 relations: ARPANET, Checksum, Datagram, End-to-end principle, Gateway (telecommunications), Host (network), Internet Control Message Protocol, Internet Engineering Task Force, Internet Group Management Protocol, Internet Protocol, Internet protocol suite, Internetworking, IP address, IP fragmentation, IPsec, IPv4, IPv6, Key (cryptography), Link layer, Maximum transmission unit, Multicast, Network layer, Open Systems Interconnection, OSI protocols, Path MTU Discovery, Robustness principle, Routing, Scalability, Transmission Control Protocol, Transport layer, Virtual private network.

ARPANET

The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network and the first network to implement the protocol suite TCP/IP.

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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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Datagram

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

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End-to-end principle

The end-to-end principle is a design framework in computer networking.

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Gateway (telecommunications)

A gateway is the piece of networking hardware used in telecommunications via communications networks that allows data to flow from one discrete network to another.

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Host (network)

A network host is a computer or other device connected to a computer network.

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Internet Control Message Protocol

The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) develops and promotes voluntary Internet standards, in particular the standards that comprise the Internet protocol suite (TCP/IP).

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Internet Group Management Protocol

The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish multicast group memberships.

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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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Internetworking

Internetworking is the practice of connecting a computer network with other networks through the use of gateways that provide a common method of routing information packets between the networks.

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IP address

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

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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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Key (cryptography)

In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.

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Link layer

In computer networking, the link layer is the lowest layer in the Internet Protocol Suite, the networking architecture of the Internet.

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Maximum transmission unit

In computer networking, the maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single network layer transaction.

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Multicast

In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously.

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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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Open Systems Interconnection

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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OSI protocols

The Open Systems Interconnection protocols are a family of information exchange standards developed jointly by the ISO and the ITU-T. The standardization process began in 1977.

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Path MTU Discovery

Path MTU Discovery (PMTUD) is a standardized technique in computer networking for determining the maximum transmission unit (MTU) size on the network path between two Internet Protocol (IP) hosts, usually with the goal of avoiding IP fragmentation.

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Robustness principle

In computing, the robustness principle is a design guideline for software: The principle is also known as Postel's law, after Jon Postel, who wrote in an early specification of TCP: In other words, programs that send messages to other machines (or to other programs on the same machine) should conform completely to the specifications, but programs that receive messages should accept non-conformant input as long as the meaning is clear.

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Routing

Routing is the process of selecting a path for traffic in a network, or between or across multiple networks.

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Scalability

Scalability is the capability of a system, network, or process to handle a growing amount of work, or its potential to be enlarged to accommodate that growth.

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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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Virtual private network

A virtual private network (VPN) extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

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Redirects here:

Internet Layer, Internet-layer.

References

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

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