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IPv6

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IPv6

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

IPv6

(Internet Protocol Version 6) The latest generation of the IP protocol. IPv6 greatly increased the number of unique IP addresses that computers and devices connected to the Internet can be assigned. For all practical purposes, the quantity of addresses is unlimited.

The IPv6 specification was completed in 1997 by the Internet Engineering Task Force (IETF) and first deployed in 2004 when ICANN added IPv6 records to its DNS root servers for Japan and Korea. IPv6 is backward compatible with IPv4 and was designed to fix its shortcomings, such as data security and maximum number of addresses.

Virtually Unlimited Devices
The address space was increased from 32 bits in IPv4 to 128 bits in IPv6 (see binary values). IPv6 also supports quality of service (QoS) parameters for real-time audio and video. Originally called "IP Next Generation" (IPng), IPv6 and IPv4 exist side-by-side. See NDP and SLAAC.

What Happened to IPv5?
IPv5 was an experimental streaming protocol that was not involved with IP address space. See 6LoWPAN, IPv4 address exhaustion and IP address.
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References in periodicals archive
The RIPE NCC seeks to continuously strengthen its partnerships with members including government entities and law enforcement agencies to develop effective solutions to deal with cybercrime and other challenges through IPv6 migration.
TRA earlier announced that it has stopped approving any communication devices that do not support IPv6 since June 2018.
In 1998, the Internet Engineering Task Force (IETF) releases RFC 2460 which known as Internet Protocol, Version 6 (IPv6)".
However, the progress of IPv6 implementation is not as planned, as the deployment of IPv6 is seemed to be very slow [4], as there was no serious compelling factor for the organisations to migrate to the new protocol, since the current provisions are still adequate for most users.
The training course provides technical people in Doha with a unique opportunity to become experts in IPv6 and support real knowledge exchange for IPv6 deployment locally and regionally," said Paul Rendek, director of external relations at the RIPE NCC.
Apart from costs, there are several technical challenges that CIOs will encounter in their IPv6 journey.
A number of papers have been published discussing different aspects of the IPv6 protocol suite, including protocol design, routing mechanisms, transition issues and performance evaluation [1-5].
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