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Foundation for Research and Technology - FORTH
(20 results)-
White Papers
Gnort: High Performance Network Intrusion Detection Using Graphics Processors
June 17, 2008, 12:00am PDT
The constant increase in link speeds and number of threats poses challenges to Network Intrusion Detection Systems (NIDS), which must cope with higher traffic throughput and perform even more...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Code-Injection Attacks in Browsers Supporting Policies
April 28, 2009, 12:00am PDT
Code-injection attacks can take place in a large variety of layers, from native code to databases and web applications. The latter case involves mainly client-side code injection in the browser...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Evaluation of Compression of Remote Network Monitoring Data Streams
March 20, 2008, 12:00am PDT
Network monitoring and measurement is an invaluable tool for comprehending, analyzing, managing, and optimizing performance and security of networked systems. Network monitoring architectures can...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Speeding Up TCP/IP: Faster Processors Are Not Enough
November 7, 2007, 12:00am PST
Over the last decade the authors' have been witnessing a tremendous increase in the capacities of the computation and communication systems. On one hand. processor speeds have been increasing...
Provided by Foundation for Research and Technology - FORTH
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White Papers
D(e|i)aling With VoIP: Robust Prevention of DIAL Attacks
February 26, 2010, 12:00am PST
This paper carries out attacks using Internet services that aim to keep telephone devices busy, hindering legitimate callers from gaining access. The paper uses the term DIAL (Digitally Initiated...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Family of Key Agreement Mechanisms for Mission Critical Communications for Secure Mobile Ad Hoc and Wireless Mesh Internetworking
September 17, 2010, 12:00am PDT
Future wireless networks like mobile ad hoc networks and wireless mesh networks are expected to play important role in demanding communications such as mission critical communications. MANETs are...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Simple End-to-End Throughput Model for 802.11 Multi-Radio Multi-Rate Wireless Mesh Networks
November 4, 2010, 12:00am PDT
The authors address the problem of estimating the end-to-end throughput of UDP flows in a multi-radio, multi-channel, and multi-rate 802.11 Wireless Mesh Network (WMN). Estimates of the end-to-end...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Experiences With a Metropolitan Multi-Radio Wireless Mesh Network: Design, Performance, and Application
November 3, 2010, 12:00am PDT
The authors presented some of their experiences and investigations with an experimental metropolitan multi-radio mesh network. In particular, they investigated how interference between...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Contention-Aware Routing Metric for Multi-Rate Multi-Radio Mesh Networks
April 5, 2008, 12:00am PDT
The authors present a new routing metric for multi-rate multi-radio mesh networks, which takes into account both contention for the shared wireless channel and rate diversity in multi-radio...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Channel Assignment in a Metropolitan Wireless Multi-Radio Mesh Network
June 28, 2008, 12:00am PDT
The authors investigate the problem of channel assignment in a metropolitan wireless multi-radio mesh network with directional antennas. They first present a new conflict graph model for capturing...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Handover Incentives for WLANs With Overlapping Coverage
March 19, 2009, 12:00am PDT
It is well known that in IEEE 802.11 networks, the assignment of low-rate and high-rate users to the same access point significantly degrades the performance of the high-rate users. The authors'...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Performance Incentives for Cooperation Between Wireless Mesh Network Operators
March 8, 2010, 12:00am PST
Low transmission rate links are bottlenecks that degrade the performance of Wireless Mesh Networks (WMN), especially when they co-exist with high-rate links. In this paper, the authors investigate...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Utility-Based Framework for Joint Channel, Topology, and Routing Control in Wireless Mesh Networks
April 29, 2009, 12:00am PDT
The authors define a utility-based framework for joint channel assignment, topology control and routing in multi-rate multi-radio wireless mesh networks, and present a greedy algorithm for solving...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Optimization of Dense WLANs: Models and Algorithms
May 1, 2007, 12:00am PDT
The goal of this paper is to investigate the optimization of dense WLANs under various control mechanisms that include MAC layer parameter control, Access Point (AP) coverage control through...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Delay and Throughput of Network Coding With Path Redundancy for Wireless Mesh Networks
May 6, 2010, 12:00am PDT
In this paper, the authors investigate the performance that can be achieved by exploiting path diversity through multipath network coding with redundancy. They extend their paper on the analysis...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Handover Incentives: Revised Model With Extensions for Uplink Traffic
April 19, 2010, 12:00am PDT
Focusing in competitive environments where each party acts in its own self-interest and not towards a common goal, the objective of this paper is to investigate the incentives that can trigger...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Cooperation Incentives Between Wireless Mesh Network Operators
May 8, 2009, 12:00am PDT
In wireless mesh networks, low transmission rate links create bottlenecks that degrade the end-to-end throughput. To make matters worse, low rate links de-grade the performance of neighboring...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Performance-Oriented Handover Incentives: A Proof-of-Concept Demonstration
July 5, 2010, 12:00am PDT
In competitive environments, where parties act in their own self-interest, there are cases where access points can improve their own performance by serving clients of neighboring access points...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Prototype Implementation of a Demand Driven Network Monitoring Architecture
February 19, 2008, 12:00am PST
The capability of dynamically monitoring the performance of the communication infrastructure is one of the emerging requirements for a Grid. The paper claims that such a capability is in fact...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Hunting Cross-Site Scripting Attacks in the Network
May 3, 2010, 12:00am PDT
CROSS-Site Scripting (XSS) attacks in web applications are considered a major threat. In a yearly basis, large IT security vendors export statistics that highlight the need for designing and...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Hunting Cross-Site Scripting Attacks in the Network
May 3, 2010, 12:00am PDT
CROSS-Site Scripting (XSS) attacks in web applications are considered a major threat. In a yearly basis, large IT security vendors export statistics that highlight the need for designing and...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Performance-Oriented Handover Incentives: A Proof-of-Concept Demonstration
July 5, 2010, 12:00am PDT
In competitive environments, where parties act in their own self-interest, there are cases where access points can improve their own performance by serving clients of neighboring access points...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Cooperation Incentives Between Wireless Mesh Network Operators
May 8, 2009, 12:00am PDT
In wireless mesh networks, low transmission rate links create bottlenecks that degrade the end-to-end throughput. To make matters worse, low rate links de-grade the performance of neighboring...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Handover Incentives: Revised Model With Extensions for Uplink Traffic
April 19, 2010, 12:00am PDT
Focusing in competitive environments where each party acts in its own self-interest and not towards a common goal, the objective of this paper is to investigate the incentives that can trigger...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Delay and Throughput of Network Coding With Path Redundancy for Wireless Mesh Networks
May 6, 2010, 12:00am PDT
In this paper, the authors investigate the performance that can be achieved by exploiting path diversity through multipath network coding with redundancy. They extend their paper on the analysis...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Optimization of Dense WLANs: Models and Algorithms
May 1, 2007, 12:00am PDT
The goal of this paper is to investigate the optimization of dense WLANs under various control mechanisms that include MAC layer parameter control, Access Point (AP) coverage control through...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Utility-Based Framework for Joint Channel, Topology, and Routing Control in Wireless Mesh Networks
April 29, 2009, 12:00am PDT
The authors define a utility-based framework for joint channel assignment, topology control and routing in multi-rate multi-radio wireless mesh networks, and present a greedy algorithm for solving...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Performance Incentives for Cooperation Between Wireless Mesh Network Operators
March 8, 2010, 12:00am PST
Low transmission rate links are bottlenecks that degrade the performance of Wireless Mesh Networks (WMN), especially when they co-exist with high-rate links. In this paper, the authors investigate...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Handover Incentives for WLANs With Overlapping Coverage
March 19, 2009, 12:00am PDT
It is well known that in IEEE 802.11 networks, the assignment of low-rate and high-rate users to the same access point significantly degrades the performance of the high-rate users. The authors'...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Channel Assignment in a Metropolitan Wireless Multi-Radio Mesh Network
June 28, 2008, 12:00am PDT
The authors investigate the problem of channel assignment in a metropolitan wireless multi-radio mesh network with directional antennas. They first present a new conflict graph model for capturing...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Contention-Aware Routing Metric for Multi-Rate Multi-Radio Mesh Networks
April 5, 2008, 12:00am PDT
The authors present a new routing metric for multi-rate multi-radio mesh networks, which takes into account both contention for the shared wireless channel and rate diversity in multi-radio...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Experiences With a Metropolitan Multi-Radio Wireless Mesh Network: Design, Performance, and Application
November 3, 2010, 12:00am PDT
The authors presented some of their experiences and investigations with an experimental metropolitan multi-radio mesh network. In particular, they investigated how interference between...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Simple End-to-End Throughput Model for 802.11 Multi-Radio Multi-Rate Wireless Mesh Networks
November 4, 2010, 12:00am PDT
The authors address the problem of estimating the end-to-end throughput of UDP flows in a multi-radio, multi-channel, and multi-rate 802.11 Wireless Mesh Network (WMN). Estimates of the end-to-end...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
A Family of Key Agreement Mechanisms for Mission Critical Communications for Secure Mobile Ad Hoc and Wireless Mesh Internetworking
September 17, 2010, 12:00am PDT
Future wireless networks like mobile ad hoc networks and wireless mesh networks are expected to play important role in demanding communications such as mission critical communications. MANETs are...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
D(e|i)aling With VoIP: Robust Prevention of DIAL Attacks
February 26, 2010, 12:00am PST
This paper carries out attacks using Internet services that aim to keep telephone devices busy, hindering legitimate callers from gaining access. The paper uses the term DIAL (Digitally Initiated...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Speeding Up TCP/IP: Faster Processors Are Not Enough
November 7, 2007, 12:00am PST
Over the last decade the authors' have been witnessing a tremendous increase in the capacities of the computation and communication systems. On one hand. processor speeds have been increasing...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Evaluation of Compression of Remote Network Monitoring Data Streams
March 20, 2008, 12:00am PDT
Network monitoring and measurement is an invaluable tool for comprehending, analyzing, managing, and optimizing performance and security of networked systems. Network monitoring architectures can...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Code-Injection Attacks in Browsers Supporting Policies
April 28, 2009, 12:00am PDT
Code-injection attacks can take place in a large variety of layers, from native code to databases and web applications. The latter case involves mainly client-side code injection in the browser...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Gnort: High Performance Network Intrusion Detection Using Graphics Processors
June 17, 2008, 12:00am PDT
The constant increase in link speeds and number of threats poses challenges to Network Intrusion Detection Systems (NIDS), which must cope with higher traffic throughput and perform even more...
Provided by Foundation for Research and Technology - FORTH
-
White Papers
Prototype Implementation of a Demand Driven Network Monitoring Architecture
February 19, 2008, 12:00am PST
The capability of dynamically monitoring the performance of the communication infrastructure is one of the emerging requirements for a Grid. The paper claims that such a capability is in fact...
Provided by Foundation for Research and Technology - FORTH
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