NDLI: SecuSpot: Toward Cloud-Assisted Secure Multi-Tenant WiFi HotSpot Infrastructures

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SecuSpot: Toward Cloud-Assisted Secure Multi-Tenant WiFi HotSpot Infrastructures

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SecuSpot: Toward Cloud-Assisted Secure Multi-Tenant WiFi HotSpot Infrastructures

Content Provider	ACM Digital Library
Author	Schmid, Stefan Lisicki, Raphael Feldmann, Anja Schulz-Zander, Julius
Abstract	Despite the increasing popularity of WiFi networks and the trend toward automated offloading of cellular traffic to WiFi (e.g., HotSpot 2.0), today's WiFi networks still provide a very poor actual coverage: a WiFi equipped device can typically connect to the Internet only through a very small fraction of the "available" access points. Accordingly, there is an enormous potential for multi-tenant WiFi hotspot architectures, which however also introduce more stringent requirements in terms of scalability and security. The latter is particularly critical, as HotSpots are often deployed in untrusted environments, e.g., physically accessible Access Points deployed in the user's premises (e.g., FON) or cafes. This paper proposes a Cloud-assisted multi-tenant and secure WiFi HotSpot infrastructure, called SecuSpot. SecuSpot is based on a modular access point and features interesting deployment flexibilities. These flexibilities can be exploited, e.g., to move security critical functions to the Cloud, and hence prevent eavesdropping even when deployed across untrusted Access Points. At the heart of SecuSpot lies a novel programmable wireless switch, the wSwitch. The wSwitch allows to (de-)multiplex the different tenants already on the HotSpot and to decouple essential security functions (association, authentication, and cryptography).
Starting Page	61
Ending Page	66
Page Count	6
File Format	PDF
ISBN	9781450346733
DOI	10.1145/3010079.3012015
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-12-12
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Wireless Ieee 802.11 Software-defined networking Cloud Network function virtualization Security Wifi
Content Type	Text
Resource Type	Article

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