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What does the term "anycast" refer to when discussing IPv6 addresses?
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Any unicast address assigned to multiple hosts or devices.
An address mapped to special Ethernet multicast addresses.
An address mapped to a specific host within the network.
A local link address mapped for internal communications.



Answer :

GinnyAnswer
Anycast in the context of IPv6 addresses refers to an addressing and routing methodology where the same IPv6 address can be assigned to multiple interfaces (hosts or devices) within a network. When a packet is sent to an anycast address, the routing infrastructure determines the nearest interface (host or device) that holds that specific anycast address and delivers the packet to that interface. This means that multiple devices can share the same anycast address, and the network will automatically route packets to the nearest instance of that address. Anycast is often used for services that benefit from redundancy and load distribution, such as content delivery networks (CDNs) or Domain Name System (DNS) servers. In summary, an anycast address in IPv6 is one that is assigned to multiple hosts or devices, allowing for efficient routing and redundancy in network communications.

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