Wisconsin Alumni Research Foundation

Technology

CONTEXT-AWARE CLUSTERING OF DNS QUERY TRAFFIC

A network monitor provides improved understanding of the type of data being transmitted by packets by capturing rendezvous packets, such as domain name server queries and responses, to extract text do...
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Paul Barford, David Plonka | P09163US

Technology

METHOD AND APPARATUS FOR NETWORK ANOMALY DETECTION

A network anomaly detector evaluates two complementary measurements of network statistics, a time variation and correlation among those statistics, to provide an extremely robust detection of network ...
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Paul Barford, Jeffery Kline, Sangnam Nam, David Plonka, Amos Ron | P06379US

Technology

Polarization Rotating Phased Array Element

A phase shifter includes a first dielectric layer, a switch mounted to the first dielectric layer, a conductive layer mounted to the first dielectric layer, a second dielectric layer mounted to the co...
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Nader Behdad, Zhe Yang, John Booske, Hung Luyen | P170061US01

Technology

Multiple Band Polarization Rotating Phased Array Element

A multiple band phase shifter includes a first dielectric layer, a conductive layer, a second dielectric layer, and for each central operating frequency of a plurality of central operating frequencies...
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Nader Behdad, John Booske, Hung Luyen, Zongtang Zhang | P190115US01

Technology

Distributed, Packet-Mediated, Packet Routing

A network switch holds a routing table and a network topology table so that when a link failure is detected at the network switch, the network switch may independently reroute a packet intended for th...
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Loris D'Antoni, Srinivasa Akella, Kausik Subramanian | P200091US01

Technology

2-Bit Phase Quantization Waveguide

A waveguide includes a first double-ridge waveguide, a second double-ridge waveguide, and a polarization rotator. The first double-ridge waveguide provides a phase of an input electrical field rotated...
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Nader Behdad, John Booske, Hung Luyen, Zongtang Zhang | P190281US01

Technology

2-Bit Phase Quantization Phased Array Element

A phase shift element includes a first dielectric layer, a conductive layer, a second dielectric layer, a conducting pattern layer, switches, and vertical interconnect accesses (vias). Each conductor ...
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Nader Behdad, John Booske, Hung Luyen | P200055US01

Technology

State Extractor For Middlebox Management System

A method of automatically identifying state information in different middlebox programs first identifies relevant program portions by expanding outward from a packet processing loop to statements depe...
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Srinivasa Akella, Junaid Khalid, Aaron Gember-Jacobson | P160294US01

Technology

Location-Aware Communication System for Mobile Devices

The proliferation of LEDs for ambient lighting is driving smart lighting technologies. Visible light communication (VLC) is an emerging technology that uses LEDs as transmitters and light sensors (e.g...
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Xinyu Zhang, Suman Banerjee, Jialiang Zhang, Chi Zhang | P160080US01

Technology

Middlebox Scaling for the Cloud

As data is shuffled around in computer networks, important components called middleboxes (also called network functions or NFs) examine and modify network traffic to meet security requirements, perfor...
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Srinivasa Akella, Aaron Gember-Jacobson, Chaithan Prakash, Raajay Viswanathan | P150073US01

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