Alcatel Lucent Wi-Fi Roaming ANDSF Hotspot2 0

Alcatel Lucent

Abstract:

This research collaboration paper between Alcatel-Lucent and BT describes the need for
Heterogeneous Network Policies in a multi-operator environment. It analyses how new
standards like the 3GPP Access Network Discovery and Selection Function (ANDSF) and the
Hotspot2.0 initiative can complement each other to meet those needs whilst identifying a
number of use-case scenarios where further standards work is required.
ANDSF is a cellular technology standard which allows an operator to provide a list of
preferred access networks with policies for their use up to the granularity of a single IP
flow or all traffic for a given PDN network (APN). IEEE 80211u and WFA Hotspot2.0 are
Wi-Fi technology standards that allow devices to more easily discover Wi-Fi roaming
relationships, determine access point capabilities and loading conditions, and more easily
connect to Wi-Fi networks securely.

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