802-11i meaning

An IEEE standard security protocol for 802.11 wireless networks that was developed to replace the original WEP protocol. Also known as "Robust Security Network" (RSN), 802.11i provides sophisticated authentication using a variety of protocols (802.1X, EAP and RADIUS) and strong security with the AES-CCMP encryption protocol. However, in order to allow in-place upgrading of older WEP hardware, 802.11i also supports the TKIP protocol, which is less robust than AES-CCMP, but far superior to WEP (see WPA for more details).Wi-Fi CertificationThe Wi-Fi Alliance provides certification for 802.11i-compliant products with its Wi-Fi Protected Alliance (WPA) logo program. The WPA and WPA2 logos certify compliance with a subset of 802.11i or the full 802.11i protocol. See WPA.
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The IEEE standard (June 2004) for 802.11 wireless LAN (WLAN) security mechanisms. The standard is more commonly known as WPA2 (Wi-Fi Protected Access version 2), which is the fully compliant mechanism developed and promoted by the Wi-Fi Alliance. See also 802.11, IEEE, Wi-Fi Alliance, WLAN, and WPA.
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An IEEE standard specifying security mechanisms for 802.11 networks. 802.11i makes use of the Advanced Encryption Standard (AES) block cipher. The standard also includes improvements in key management, user authentication through 802.1X and data integrity of headers.
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