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technical:pp-nutshell [2025/06/20 05:56] systemtechnical:pp-nutshell [2025/06/20 09:37] (current) system
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 ====== Hotspot 2.0/Passpoint in a Nutshell ====== ====== Hotspot 2.0/Passpoint in a Nutshell ======
-===== Key Acronyms ===== +===== Introduction ===== 
-==== 802.11u ====+  * Hotspot 2.0 has been around basically since 2012. 
 +  * The hope was that there would be a large uptake in this new standard with its features. 
 +  * It did however never took off for various reasons. 
 +  * One of the reasons is that there are many gears that has to mesh so to speak before you have a working solution. 
 +  * Here are a few of the components 
 +    * WiFi Access Points that supports Hotspot 2.0. 
 +    * RADIUS server that can do EAP Authentication (WPA2 Enterprise) 
 +    * PKI infrastructure or a valid certificate issued by a CA 
 +    * A valid profile that needs to be installed on the WiFi client device. 
 +  * With all this the initial barrier is quite strong and the learning curve for a network administrator is steep. 
 +  * Hotspot 2.0 have however managed to gain some momentum recently due to the following: 
 +    * Better support for Hotspot 2.0 in the WiFi supplicant on the major operating systems. 
 +    * The spread of OpenRoaming is approaching critical mass. 
 +    * Support for Hotspot 2.0 by most hardware manufacturers. 
 +    * Growing awareness of the benefits of Hotspot 2.0 among key industry players. 
 +    * Mobile companies that wants to offer WiFi offloading as a value added service to their clients. 
 + 
 +------------ 
 + 
 +==== Hotspot 2.0, Passpoint and 802.11u ====
   * 802.11u is a 2011 amendment to the 802.11 standard that enables seamless Wi-Fi roaming and network discovery (**Independent of the SSID of a WiFi network**).   * 802.11u is a 2011 amendment to the 802.11 standard that enables seamless Wi-Fi roaming and network discovery (**Independent of the SSID of a WiFi network**).
   * Although often used interchangeably with Hotspot 2.0 and Passpoint, these terms have distinct meanings.   * Although often used interchangeably with Hotspot 2.0 and Passpoint, these terms have distinct meanings.
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