WiSwitcher

Giustiniano, Domenico; Goma, Eduard; Lopez, Alberto; Rodríguez, P.

doi:10.1145/1592631.1592642

Cited by 25 publications

References 7 publications

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Using group anonymity to hide the identity of VoIP mobile users communicating over hybrid networks while preserving quality of service

Sabra

Artail

2016

Wirel. Commun. Mob. Comput.

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Security and privacy have become critical in computer networks, especially with the emergence of E-commerce. Other than securing the transfer of data, users are interested in protecting their profile privacy against exposure attacks. Multimedia communications are at the core of new information and communication technologies. We seek to achieve end users' profile privacy without violating the Quality of Service constraints on the throughput, end-to-end delay, and jitter, as these parameters represent the critical factors in multimedia applications. We propose an end-to-end anonymity design that takes into consideration the constraints of Voice-over-IP applications in a hybrid network environment, which involves ad hoc and infrastructure networks. Using clusterheads for communication anonymity to preserve user profile privacy, as well as encryption of the real-time protocol payload, we prove using analysis and simulations that our model can be easily integrated into currently deployed network infrastructures.

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Using group anonymity to hide the identity of VoIP mobile users communicating over hybrid networks while preserving quality of service

Sabra

Artail

2016

Wirel. Commun. Mob. Comput.

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BaPu: Efficient and Practical Bunching of Access Point Uplinks

et al. 2015

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Today's increasing demand for wirelessly uploading a large volume of User Generated Content (UGC) is still significantly limited by the throttled backhaul of residential broadband (typically between 1 and 3Mbps). We propose BaPu, a carefully designed system with implementation for bunching WiFi access points' backhaul to achieve a high aggregated throughput. BaPu is inspired by a decade of networking design principles and techniques to enable efficient TCP over wireless links and multipath. BaPu aims to achieve two major goals: 1) requires no client modification for easy incremental adoption; 2) supports not only UDP, but also TCP traffic to greatly extend its applicability to a broad class of popular applications such as HD streaming or large file transfer. We prototyped BaPu with commodity hardware. Our extensive experiments shows that despite TCP's sensitivity to typical channel factors such as high wireless packet loss, out-of-order packets arrivals due to multipath, heterogeneous backhaul capacity, and dynamic delays, BaPu achieves a backhaul aggregation up to 95% of the theoretical maximum throughput for UDP and 88% for TCP. We also empirically estimate the potential idle bandwidth that can be harnessed from residential broadband.

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Distributed Control and Management of Context-Based Wireless Mesh Networks

Matos

Sargento

2012

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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WiSwitcher

Cited by 25 publications

References 7 publications

Using group anonymity to hide the identity of VoIP mobile users communicating over hybrid networks while preserving quality of service

Using group anonymity to hide the identity of VoIP mobile users communicating over hybrid networks while preserving quality of service

BaPu: Efficient and Practical Bunching of Access Point Uplinks

Distributed Control and Management of Context-Based Wireless Mesh Networks

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