IPv6

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IPv6

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 now 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.

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.
References in periodicals archive ?
Hurricane Electric, the world's largest IPv6 Internet backbone and colocation provider, has announced the launch of a Layer 2 latency Tool to determine the cost and latency between any two of Hurricane Electric's global Points of Presence (PoP), the company said.
Thus, organisations need to take immediate action to develop a strategy for their system's migration to IPv6 Internet connection, especially for organisation that depends on the Internet for daily business.
The authors believed that it may be a consequence of the huge IPv6 addresses and immaturity of IPv6 Internet at that time.
Teredo client has access to the IPv4 Internet and wants to access the IPv6 Internet. Teredo server is used to assist the provision of IPv6 connectivity to Teredo clients.
Service providers use 6rd to encapsulate IPv6 traffic in IPv4 headers and tunnel home users' IPv6 traffic through the IPv4 network to IPv6 Internet service to quickly offer end-to-end IPv6 services.
In order to reach the IPv6 internet an isolated lPv6 host or network must be able to use the existing IPv4 infrastructure to carry IPv6 packets.
Getting even basic connectivity to the IPv6 internet usually requires some form of IPv6-over-IPv4 tunneling, and the average user has no way to enable this.
Participating network operators and ISPs also need to commit that 1% of their subscribers will be enabled for IPv6 Internet accessibility.
During the event, the UNH-IOL used publically routable IPv6 addresses, allowing participants to connect to the global IPv6 Internet. In addition to verifying that select D-Link DIR-Series routers are ready to be deployed in IPv6 networks, the test event proved support of transition mechanisms, such as 6rd, in some CE Routers, which is needed to maintain connectivity for subscribers when networks are not dual-stack (both IPv4 and IPv6).
"Knowledge I.T has also established an IPv6 Internet Exchange to allow carriers and customers to benefit from IPv6 and to ensure that the Internet continues to expand and function as the communications superhighway." To ensure that businesses are ready for the challenges and opportunities that IPv6 presents, Knowledge I.T is offering IPv6 readiness audits and will be running a number of customer awareness events that aim to highlight the features and benefits of IPv6.
In compliance with the advanced IPv6 Internet protocol, the end-to-end pair-bonding solution ensures developers immediate readiness that avoids future upgrades or replacement costs.