Sunday, January 13, 2019

IPv6 Global unicast addresses

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IPv6 Global unicast addresses | Global IPv6 addresses are similar to public IPv4 addresses. As the name suggests, they are routable on the internet. Currently, the IANA has only assigned 2000 :: / 3 addresses to the global pool.

A global IPv6 address consists of two parts:

Subnet ID - 64 bits long. Contains the site's prefix (obtained from a regional Internet registration database) and the subnet (subnet on the site).
Interface ID - 64 bit long. typically from a part of the interface's MAC address.


Here is a graphical representation of the two parts of a global IPv6 address:

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