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IPv6 hosts may automatically generate IP addresses internally using stateless address autoconfiguration (SLAAC), or they may be assigned configuration data with DHCPv6, or both. IPv6 hosts that use stateless autoconfiguration may need information other than what SLAAC provides on a given network.
Mageia has had full support for IPv6 only and IPv4 + IPv6 since Mageia 7, as well as continuing to support IPv4 only systems. [15] macOS: Mac OS X 10.7 (Lion) Yes Yes Yes [16] Yes [17] Versions 10.7 through 10.10 often prefer IPv4 even when working IPv6 connectivity is available. [18]
Stateless configuration of routers can be achieved with a special router renumbering protocol. [20] When necessary, hosts may configure additional stateful addresses via Dynamic Host Configuration Protocol version 6 (DHCPv6) or static addresses manually. Like IPv4, IPv6 supports globally unique IP addresses.
IVI Translation refers to a stateless IPv4/IPv6 translation technique. [1] It allows hosts in different address families (IPv4 and IPv6) communicate with each other and keeps the end-to-end address transparency. [2] Stateless NAT64 can be used in 4 different scenarios: [3] An IPv6 network to the IPv4 Internet; The IPv4 Internet to an IPv6 network
In IPv6, addresses may be assigned by stateless (without memory) or stateful (with memory) mechanisms. Stateless address autoconfiguration is performed as a component of the Neighbor Discovery Protocol (NDP). [6] The address is formed from its routing prefix and a unique identifier for the network interface.
6rd was developed by Rémi Després.It is a mechanism to facilitate rapid deployment of the IPv6 service across IPv4 infrastructures of Internet service providers ().It uses stateless address mappings between IPv4 and IPv6 addresses, and transmits IPv6 packets across automatic tunnels that follow the same optimized routes between customer nodes as IPv4 packets.
In contrast, a stateful protocol is a communication protocol in which the receiver may retain session state from previous requests. In computer networks , examples of stateless protocols include the Internet Protocol (IP), which is the foundation for the Internet , and the Hypertext Transfer Protocol (HTTP), which is the foundation of the World ...
It has fewer architectural problems than traditional IPv4 NAT; for example, it is stateless and preserves the reachability attributed to the end-to-end principle. However, the method may not translate embedded IPv6 addresses properly (IPsec can be impacted), and split-horizon DNS may be required for use in a business environment.