Saturday, January 19, 2019

IPv6 (Internet Protocol Version 6)

IPv6 (Internet Protocol Version 6):-

Internet protocol version 6 (IPv6) is the newest version of the IP protocol. IPv6 is an internet layer protocol. It’s used for identification the system and location of the system on the internet. Internet version 6 (IPv6) developed by the IETF (Internet Engineering Task Force) and it’s developed to the problem of IPv4 addresses exhaustion. The IPv4 provides approximately 4.3 billion addresses and IPv4 uses 32 bit (232) address. If you want to check your IP address. you can search on search engine what is my ip address.
The IPv6 provides approximately 3.4x1038 addresses and IPv6 uses 128 bit (2128) address. IPv6 separated by colon sign and represents in eight groups of four hexadecimal digits. For example 3201:0ac8:1238:0000:8dbc:0380:8855. Internet protocol version 6 was first defined in RFC 1883 and published in December 1995. In December 1998 RFC 1883 replaced with RFC 2460. In July 2017 RFC 2460 replaced with RFC 8200.

 IPv6 (Internet Protocol version 6) Features:-

Internet protocol version 6 uses large 128-bit addresses. Its means that for each person on the earth there are 48x1027 addresses.

Internet protocol security (IPSec) is built into IPv6 as part of the protocol. This means that two devices can dynamically create a secure tunnel without user intervention.

The Internet protocol version 6 packet header simple than the IPv4 because the IPv6 header is not protected by checksum. So the router does not need to calculate checksum for every packet.

In Internet protocol version 6 no need to NAT (Network Address Translation) because every devices has a globally unique IPv6 address.

The Internet protocol version 6 devices can automatically configure themselves with an IPv6 address.

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