Figure 7-12 illustrates stateless
autocon?¬?guration.
Figure 7-12 Stateless Autocon?¬?guration
Autocon?¬?guration enables plug-and-play con?¬?guration of an IPv6 device, which allows
devices to connect themselves to the network without con?¬?guration from an administrator
and without servers, such as DHCP servers. This key feature enables deployment of new
devices on the Internet, such as cellular phones, wireless devices, home appliances, and
home networks.
DHCPv6 is an updated version of DHCP for IPv4. It supports the addressing model of IPv6
and bene?¬?ts from new IPv6 features. DHCPv6 has the following characteristics:
?– Enables more control than serverless or stateless autocon?¬?guration
?– Can be employed in an environment that uses only servers and no routers
?– Can be used concurrently with stateless autocon?¬?guration
?– Can be used for renumbering
?– Can be used for automatic domain name registration of hosts using dynamic DNS
NOTE Stateless DHCP is a concept, developed in February 2004, that strikes a middle
ground between stateless autocon?¬?guration and the thick-client approach of stateful
DHCP. Stateless DHCP for IPv6 is also called ???DHCP-lite.
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