Inter-Access Point Protocol or IEEE 802.11F is a recommendation that describes an optional extension to
IEEE 802.11
IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of medium access control (MAC) and physical layer (PHY) protocols for implementing wireless local area network (WLAN) computer com ...
that provides
wireless access point
In Computer networking device, computer networking, a wireless access point (WAP) (also just access point (AP)) is a networking hardware device that allows other Wi-Fi devices to connect to a wired network or wireless network. As a standalone ...
communications among multivendor systems.
802.11 is a set of
IEEE
The Institute of Electrical and Electronics Engineers (IEEE) is an American 501(c)(3) organization, 501(c)(3) public charity professional organization for electrical engineering, electronics engineering, and other related disciplines.
The IEEE ...
standards that govern wireless networking transmission methods. They are commonly used today in their
802.11a,
802.11b,
802.11g and
802.11n versions to provide wireless connectivity in the home, office and some commercial establishments.
The
IEEE 802.11
IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of medium access control (MAC) and physical layer (PHY) protocols for implementing wireless local area network (WLAN) computer com ...
standard doesn't specify the communications between access points in order to support users
roaming
Roaming is a wireless
Wireless communication (or just wireless, when the context allows) is the transfer of information (''telecommunication'') between two or more points without the use of an electrical conductor, optical fiber or oth ...
from one access point to another and
load balancing. The 802.11 working group purposely did not define this element in order to provide flexibility in working with different wired and
wireless distribution system
A wireless distribution system (WDS) is a system enabling the wireless interconnection of access points in an IEEE 802.11 network. It allows a wireless network to be expanded using multiple access points without the traditional requirement for a ...
s (i.e., wired backbones that interconnect access points).
Protocol operation
The protocol is designed for the enforcement of unique association throughout an
Extended Service Set and for secure exchange of station's security context between the current
Access Point (AP) and the new AP during the handoff period. Based on security level, communication session keys between Access Points are distributed by a
RADIUS
In classical geometry, a radius (: radii or radiuses) of a circle or sphere is any of the line segments from its Centre (geometry), center to its perimeter, and in more modern usage, it is also their length. The radius of a regular polygon is th ...
server. The RADIUS server also provides a mapping service between AP's
MAC address
A MAC address (short for medium access control address or media access control address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use i ...
and
IP address
An Internet Protocol address (IP address) is a numerical label such as that is assigned to a device connected to a computer network that uses the Internet Protocol for communication. IP addresses serve two main functions: network interface i ...
.
Status
The 802.11F Recommendation has been ratified and published in 2003.
IEEE 802.11F was a Trial Use Recommended Practice. The IEEE 802
Executive Committee approved its withdrawal on February 3, 2006.
802.11 Timelines
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See also
* IEEE 802.11k Radio Resource Management
* IEEE 802.11r Fast roaming
Roaming is a wireless
Wireless communication (or just wireless, when the context allows) is the transfer of information (''telecommunication'') between two or more points without the use of an electrical conductor, optical fiber or oth ...
References
External links
Status of the project 802.11f
IEEE Task Group TGf
{{IEEE standards
IEEE 802.11