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| ====== Hotspot 2.0/ | ====== Hotspot 2.0/ | ||
| - | ===== 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. | ||
| + | |||
| + | ------------ | ||
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| + | ==== 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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| * With the 802.11u standard there are provision for extra data in the WiFi beacons to indicate the Access Point is Hotspot 2.0 enabled. | * With the 802.11u standard there are provision for extra data in the WiFi beacons to indicate the Access Point is Hotspot 2.0 enabled. | ||
| * The extra data that | * The extra data that | ||
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| + | ==== GAS as the Vehicle ==== | ||
| + | GAS provides the framework and transport mechanism for queries and responses, allowing devices to request and receive information about networks. | ||
| + | |||
| + | ==== ANQP as the Content ==== | ||
| + | ANQP is the specific type of information being transported, | ||
| + | - Network capabilities | ||
| + | - Roaming consortium information | ||
| + | - Domain names | ||
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