stateless
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... case of addresses, whether they should be obtained through the
stateless mechanism, the stateful mechanism, or both. This document
defines the process for generating a link-local address, the process
...
... for generating site-local and global addresses via stateless address
autoconfiguration, and the Duplicate Address Detection procedure. The
details of autoconfiguration ...
...
IPv6 defines both a stateful and stateless address autoconfiguration
mechanism. Stateless autoconfiguration ...
... IPv6 defines both a stateful and stateless address autoconfiguration
mechanism. Stateless autoconfiguration requires no manual
configuration of hosts ...
... hosts, minimal (if any) configuration of routers,
and no additional servers. The stateless mechanism allows a host to
generate its own addresses ...
... addresses, other
configuration information or both from a server. Stateless and
stateful autoconfiguration complement each other. For example, a host ...
... autoconfiguration complement each other. For example, a host
can use stateless autoconfiguration to configure its own addresses,
...
...
The stateless approach is used when a site is not particularly
concerned with the exact addresses hosts ...
... site requires tighter control over exact address assignments. Both
stateful and stateless address autoconfiguration may be used
simultaneously. The site administrator specifies which type of
...
... algorithm is performed on all addresses,
independent of whether they are obtained via stateless or stateful
autoconfiguration. This document defines the Duplicate Address
Detection ...
... that is (at least) unique per link [ADDR-ARCH]. Stateless
address autoconfiguration combines an interface identifier with
a prefix ...
...
Stateless autoconfiguration is designed with the following goals in
mind:
...
... System administrators need the ability to specify whether
stateless autoconfiguration, stateful autoconfiguration, or both
...
... Router Advertisements also contain zero or more Prefix Information
options that contain information used by stateless address
autoconfiguration to generate site-local and global addresses. It
...
... site-local and global addresses. It
should be noted that the stateless and stateful address
autoconfiguration fields in Router Advertisements are processed
...
... independently of one another, and a host may use both stateful and
stateless address autoconfiguration simultaneously. One Prefix
Information option field, the "autonomous address ...
... Information option field, the "autonomous address-configuration
flag", indicates whether or not the option even applies to stateless
autoconfiguration. If it does, additional option fields contain a
...
... addresses created
through stateless autoconfig, however, the uniqueness of an address
is determined primarily by the portion of the address ...
... place on all unicast addresses, regardless of whether they are
obtained through stateful, stateless or manual configuration, with
the exception of the following cases:
...
... Each individual unicast address SHOULD be tested for uniqueness.
However, when stateless address autoconfiguration is used,
address uniqueness is determined solely by the interface
identifier ...
... prefix of an autoconfigured
address (i.e., one obtained via stateless or stateful address
autoconfiguration) in the list of addresses associated with the
...
... hosts to obtain address information using both
stateless and stateful protocols since both may be enabled at the
same time. It is also possible that the values of other
configuration parameters ...
... information received from multiple sources is inconsistent. Hosts
accept the union of all information received via the stateless and
stateful protocols. If inconsistent information is learned different
sources, the most recently obtained values always have precedence
...