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Warsaw University
(33 results)-
White Papers
Debellor: Open Source Modular Platform for Scalable Data Mining
May 25, 2009, 12:00am PDT
This paper introduces Debellor (www.debellor.org) - an open source extensible data mining platform with stream-oriented architecture, where all data transfers between elementary algorithms take...
Provided by Warsaw University
-
White Papers
Logical Foundations and Complexity of 4QL, a Query Language With Unrestricted Negation
March 18, 2011, 12:00am PDT
The paper discusses properties of a DATALOG-like query language 4QL, originally outlined by Ma³uszy´nski and Sza³as [MS11]. 4QL allows one to use rules with negation in heads and bodies of rules....
Provided by Warsaw University
-
White Papers
SecMon: End-to-End Quality and Security Monitoring System
April 1, 2008, 12:00am PDT
The Voice over Internet Protocol (VoIP) is becoming a more available and popular way of communicating for Internet users. This also applies to Peer-To-Peer (P2P) systems and merging these two have...
Provided by Warsaw University of Technology
-
White Papers
Adaptation of the Neural Network-Based IDS to New Attacks Detection
September 13, 2010, 12:00am PDT
In this paper the authors report the experiment concerning new attacks detection by a neural network-based Intrusion Detection System. What is crucial for this topic is the adaptation of the...
Provided by Warsaw University of Technology
-
White Papers
Hiding Information in Retransmissions
May 14, 2009, 12:00am PDT
The paper presents a new steganographic method called RSTEG (Retransmission Steganography), which is intended for a broad class of protocols that utilises retransmission mechanisms. The main...
Provided by Warsaw University
-
White Papers
A Performance Analysis of HICCUPS - A Steganographic System for WLAN
June 23, 2009, 12:00am PDT
The HICCUPS (HIdden Communication system for CorrUPted networkS), introduced by the author in, is a steganographic system for WLANs (Wireless Local Area Networks). The main innovation of the...
Provided by Warsaw University
-
White Papers
Steganography in Handling Oversized IP Packets
January 1, 2011, 12:00am PST
This paper identifies new class of network steganography methods that utilize mechanisms to handle oversized packets in IP networks: IP fragmentation, PMTUD (Path MTU Discovery) and PLPMTUD...
Provided by Warsaw University of Technology
-
White Papers
Integrated Method for Detection of Unknown Steganographic Content
June 9, 2009, 12:00am PDT
The proposed system is restrained to the content of the knowledge base. It is important to notice that the system should work as kind of antiviral software. To make it usable one should be...
Provided by Warsaw University
-
White Papers
Statistical Mechanics Of The International Trade Network
April 18, 2011, 12:00am PDT
Analyzing real data on international trade covering the time interval 1950-2000, the authors show that in each year over the analyzed period the network is a typical representative of the ensemble...
Provided by Warsaw University of Technology
-
Whitepapers
Efficient Transmission of Measurement Data from FPGA to Embedded System Via Ethernet Link
October 2, 2012, 12:00am PDT
This paper presents a system consisting of the FPGA IP core, the simple network protocol and the Linux device driver, capable of efficient and reliable data transmission from a low resources FPGA...
Provided by Warsaw University
-
Whitepapers
Compact Node-Link Formulations for the Optimal Single Path MPLS Fast Reroute Layout
September 1, 2011, 12:00am PDT
This paper discusses compact node-link formulations for MPLS fast reroute optimal single path layout. The authors propose mathematical formulations for MPLS fast reroute local protection...
Provided by Warsaw University
-
Whitepapers
Agent Based VoIP Application With Reputation Mechanisms
September 1, 2011, 12:00am PDT
In this paper, the authors introduce their new VoIP model the aim of which is to meet the challenges of modern telephony. They present project concepts, details of implementation and their testing...
Provided by Warsaw University
-
Whitepapers
Connection-Oriented Service Management in Provider Alliances: A Shapley Value Perspective
November 12, 2009, 12:00am PST
In the context of cross-provider network service provisioning, the "Provider Alliance" concept has recently arisen as a necessary collaboration framework among providers willing to offer...
Provided by Warsaw University
-
White Papers
Is Cloud Computing Steganography-Proof?
July 20, 2011, 12:00am PDT
The paper focuses on characterisation of information hiding possibilities in Cloud Computing. After general introduction to cloud computing and its security the authors move to brief description...
Provided by Warsaw University of Technology
-
White Papers
On Assuring QoS in Ethernet Access Network
July 19, 2007, 12:00am PDT
This paper deals with the problem of assuring strict QoS guarantees for the end to end connections that originate from Ethernet access network. It shows that despite high link capacities in some...
Provided by Warsaw University
-
White Papers
Traffic Re-Optimization Strategies for Dynamically Provisioned WDM Networks
December 20, 2011, 12:00am PST
In Wavelength Division Multiplexed (WDM) networks with dynamic lightpath provisioning, connection requests are served without any prior knowledge of their arrival and departure times. As time...
Provided by Warsaw University
-
White Papers
Hiding Data in OFDM Symbols of IEEE 802.11 Networks
June 2, 2010, 12:00am PDT
This paper presents a new steganographic method called WiPad (Wireless Padding). It is based on the insertion of hidden data into the padding of frames at the physical layer of WLANs (Wireless...
Provided by Warsaw University of Technology
-
White Papers
Lost Audio Packets Steganography: The First Practical Evaluation
July 19, 2011, 12:00am PDT
This paper presents first experimental results for an IP telephony-based steganographic method called LACK (Lost Audio PaCKets steganography). This method utilizes the fact that in typical...
Provided by Warsaw University of Technology
-
White Papers
On Steganography in Lost Audio Packets
January 31, 2011, 12:00am PST
The paper presents a new hidden data insertion procedure based on estimated probability of the remaining time of the call for steganographic method called LACK (Lost Audio PaCKets steganography)....
Provided by Warsaw University of Technology
-
White Papers
What are Suspicious VoIP Delays?
February 23, 2010, 12:00am PST
Voice over IP (VoIP) is unquestionably the most popular real-time service in IP networks today. Recent studies have shown that it is also a suitable carrier for information hiding. Hidden...
Provided by Warsaw University of Technology
-
White Papers
LACK - A VoIP Steganographic Method
November 25, 2008, 12:00am PST
The paper presents a new steganographic method called LACK (Lost Audio PaCKets Steganography) which is intended mainly for VoIP. The method is presented in a broader context of network...
Provided by Warsaw University of Technology
-
White Papers
Analysis of a Procedure for Inserting Steganographic Data Into VoIP Calls
August 19, 2008, 12:00am PDT
The paper concerns performance analysis of a steganographic method, dedicated primarily for VoIP, which was recently filed for patenting under the name LACK. The performance of the method depends...
Provided by Warsaw University of Technology
-
White Papers
Covert Channels in SIP for VoIP signalling
March 18, 2008, 12:00am PDT
In this paper, the authors evaluate available steganographic techniques for SIP (Session Initiation Protocol) that can be used for creating covert channels during signaling phase of VoIP (Voice...
Provided by Warsaw University of Technology
-
White Papers
TrustMAS: Trusted Communication Platform for Multi-Agent Systems
August 24, 2008, 12:00am PDT
The paper presents TrustMAS - Trusted Communication Platform for Multi-Agent Systems, which provides trust and anonymity for mobile agents. The platform includes anonymous technique based on...
Provided by Warsaw University of Technology
-
White Papers
Information Hiding Using Improper Frame Padding
July 5, 2010, 12:00am PDT
Hiding information in network traffic may lead to leakage of confidential information. In this paper the authors introduce a new steganographic system: the PadSteg (Padding Steganography). To...
Provided by Warsaw University of Technology
-
White Papers
Multi-Level Steganography: Improving Hidden Communication in Networks
January 26, 2011, 12:00am PST
The paper presents Multi-Level Steganography (MLS), which defines a new concept for hidden communication in telecommunication networks. In MLS, at least two steganographic methods are utilised...
Provided by Warsaw University of Technology
-
White Papers
How Hidden Can be Even More Hidden?
July 7, 2011, 12:00am PDT
The paper presents Deep Hiding Techniques (DHTs) that define general techniques that can be applied to every network steganography method to improve its undetectability and make steganogram...
Provided by Warsaw University of Technology
-
White Papers
Sending Hidden Data Via Google Suggest
July 20, 2011, 12:00am PDT
Google Suggest is a service incorporated within Google Web Search which was created to help user find the right search phrase by proposing the autocompleting popular phrases while typing. The...
Provided by Warsaw University of Technology
-
White Papers
Retransmission Steganography Applied
July 5, 2010, 12:00am PDT
This paper presents experimental results of the implementation of network steganography method called RSTEG (Retransmission Steganography). The main idea of RSTEG is to not acknowledge a...
Provided by Warsaw University of Technology
-
White Papers
Stream Control Transmission Protocol Steganography
May 26, 2010, 12:00am PDT
Stream Control Transmission Protocol (SCTP) is a new transport layer protocol that is due to replace TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) protocols in future IP...
Provided by Warsaw University of Technology
-
White Papers
Object Oriented Database Prototype as a Model Execution Engine for Executable UML
February 3, 2008, 12:00am PST
The concept of executable modelling, as outlined by the MDA approach, is not very common in the area of business software using databases. One of the reasons is certainly the increased complexity...
Provided by Warsaw University
-
White Papers
Optimization of Object-Oriented Queries Addressing Large and Small Collections
October 30, 2009, 12:00am PDT
When a query jointly addresses very large and very small collections it may happen that an iteration caused by a query operator is driven by a large collection and in each cycle it evaluates a...
Provided by Warsaw University
-
Whitepapers
Towards Steganography Detection Through Network Traffic Visualisation
August 14, 2012, 12:00am PDT
The paper presents initial step toward new network anomaly detection method that is based on traffic visualisation. The key design principle of the proposed approach is the lack of direct, linear...
Provided by Warsaw University of Technology
-
Whitepapers
Connection-Oriented Service Management in Provider Alliances: A Shapley Value Perspective
November 12, 2009, 12:00am PST
In the context of cross-provider network service provisioning, the "Provider Alliance" concept has recently arisen as a necessary collaboration framework among providers willing to offer...
Provided by Warsaw University
-
Whitepapers
Agent Based VoIP Application With Reputation Mechanisms
September 1, 2011, 12:00am PDT
In this paper, the authors introduce their new VoIP model the aim of which is to meet the challenges of modern telephony. They present project concepts, details of implementation and their testing...
Provided by Warsaw University
-
Whitepapers
Compact Node-Link Formulations for the Optimal Single Path MPLS Fast Reroute Layout
September 1, 2011, 12:00am PDT
This paper discusses compact node-link formulations for MPLS fast reroute optimal single path layout. The authors propose mathematical formulations for MPLS fast reroute local protection...
Provided by Warsaw University
-
Whitepapers
Efficient Transmission of Measurement Data from FPGA to Embedded System Via Ethernet Link
October 2, 2012, 12:00am PDT
This paper presents a system consisting of the FPGA IP core, the simple network protocol and the Linux device driver, capable of efficient and reliable data transmission from a low resources FPGA...
Provided by Warsaw University
-
Whitepapers
Towards Steganography Detection Through Network Traffic Visualisation
August 14, 2012, 12:00am PDT
The paper presents initial step toward new network anomaly detection method that is based on traffic visualisation. The key design principle of the proposed approach is the lack of direct, linear...
Provided by Warsaw University of Technology
-
White Papers
Optimization of Object-Oriented Queries Addressing Large and Small Collections
October 30, 2009, 12:00am PDT
When a query jointly addresses very large and very small collections it may happen that an iteration caused by a query operator is driven by a large collection and in each cycle it evaluates a...
Provided by Warsaw University
-
White Papers
Stream Control Transmission Protocol Steganography
May 26, 2010, 12:00am PDT
Stream Control Transmission Protocol (SCTP) is a new transport layer protocol that is due to replace TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) protocols in future IP...
Provided by Warsaw University of Technology
-
White Papers
Retransmission Steganography Applied
July 5, 2010, 12:00am PDT
This paper presents experimental results of the implementation of network steganography method called RSTEG (Retransmission Steganography). The main idea of RSTEG is to not acknowledge a...
Provided by Warsaw University of Technology
-
White Papers
Sending Hidden Data Via Google Suggest
July 20, 2011, 12:00am PDT
Google Suggest is a service incorporated within Google Web Search which was created to help user find the right search phrase by proposing the autocompleting popular phrases while typing. The...
Provided by Warsaw University of Technology
-
White Papers
How Hidden Can be Even More Hidden?
July 7, 2011, 12:00am PDT
The paper presents Deep Hiding Techniques (DHTs) that define general techniques that can be applied to every network steganography method to improve its undetectability and make steganogram...
Provided by Warsaw University of Technology
-
White Papers
Multi-Level Steganography: Improving Hidden Communication in Networks
January 26, 2011, 12:00am PST
The paper presents Multi-Level Steganography (MLS), which defines a new concept for hidden communication in telecommunication networks. In MLS, at least two steganographic methods are utilised...
Provided by Warsaw University of Technology
-
White Papers
Information Hiding Using Improper Frame Padding
July 5, 2010, 12:00am PDT
Hiding information in network traffic may lead to leakage of confidential information. In this paper the authors introduce a new steganographic system: the PadSteg (Padding Steganography). To...
Provided by Warsaw University of Technology
-
White Papers
TrustMAS: Trusted Communication Platform for Multi-Agent Systems
August 24, 2008, 12:00am PDT
The paper presents TrustMAS - Trusted Communication Platform for Multi-Agent Systems, which provides trust and anonymity for mobile agents. The platform includes anonymous technique based on...
Provided by Warsaw University of Technology
-
White Papers
Covert Channels in SIP for VoIP signalling
March 18, 2008, 12:00am PDT
In this paper, the authors evaluate available steganographic techniques for SIP (Session Initiation Protocol) that can be used for creating covert channels during signaling phase of VoIP (Voice...
Provided by Warsaw University of Technology
-
White Papers
Analysis of a Procedure for Inserting Steganographic Data Into VoIP Calls
August 19, 2008, 12:00am PDT
The paper concerns performance analysis of a steganographic method, dedicated primarily for VoIP, which was recently filed for patenting under the name LACK. The performance of the method depends...
Provided by Warsaw University of Technology
-
White Papers
LACK - A VoIP Steganographic Method
November 25, 2008, 12:00am PST
The paper presents a new steganographic method called LACK (Lost Audio PaCKets Steganography) which is intended mainly for VoIP. The method is presented in a broader context of network...
Provided by Warsaw University of Technology
-
White Papers
What are Suspicious VoIP Delays?
February 23, 2010, 12:00am PST
Voice over IP (VoIP) is unquestionably the most popular real-time service in IP networks today. Recent studies have shown that it is also a suitable carrier for information hiding. Hidden...
Provided by Warsaw University of Technology
-
White Papers
On Steganography in Lost Audio Packets
January 31, 2011, 12:00am PST
The paper presents a new hidden data insertion procedure based on estimated probability of the remaining time of the call for steganographic method called LACK (Lost Audio PaCKets steganography)....
Provided by Warsaw University of Technology
-
White Papers
Lost Audio Packets Steganography: The First Practical Evaluation
July 19, 2011, 12:00am PDT
This paper presents first experimental results for an IP telephony-based steganographic method called LACK (Lost Audio PaCKets steganography). This method utilizes the fact that in typical...
Provided by Warsaw University of Technology
-
White Papers
Hiding Data in OFDM Symbols of IEEE 802.11 Networks
June 2, 2010, 12:00am PDT
This paper presents a new steganographic method called WiPad (Wireless Padding). It is based on the insertion of hidden data into the padding of frames at the physical layer of WLANs (Wireless...
Provided by Warsaw University of Technology
-
White Papers
Traffic Re-Optimization Strategies for Dynamically Provisioned WDM Networks
December 20, 2011, 12:00am PST
In Wavelength Division Multiplexed (WDM) networks with dynamic lightpath provisioning, connection requests are served without any prior knowledge of their arrival and departure times. As time...
Provided by Warsaw University
-
White Papers
Is Cloud Computing Steganography-Proof?
July 20, 2011, 12:00am PDT
The paper focuses on characterisation of information hiding possibilities in Cloud Computing. After general introduction to cloud computing and its security the authors move to brief description...
Provided by Warsaw University of Technology
-
White Papers
Statistical Mechanics Of The International Trade Network
April 18, 2011, 12:00am PDT
Analyzing real data on international trade covering the time interval 1950-2000, the authors show that in each year over the analyzed period the network is a typical representative of the ensemble...
Provided by Warsaw University of Technology
-
White Papers
Integrated Method for Detection of Unknown Steganographic Content
June 9, 2009, 12:00am PDT
The proposed system is restrained to the content of the knowledge base. It is important to notice that the system should work as kind of antiviral software. To make it usable one should be...
Provided by Warsaw University
-
White Papers
Steganography in Handling Oversized IP Packets
January 1, 2011, 12:00am PST
This paper identifies new class of network steganography methods that utilize mechanisms to handle oversized packets in IP networks: IP fragmentation, PMTUD (Path MTU Discovery) and PLPMTUD...
Provided by Warsaw University of Technology
-
White Papers
A Performance Analysis of HICCUPS - A Steganographic System for WLAN
June 23, 2009, 12:00am PDT
The HICCUPS (HIdden Communication system for CorrUPted networkS), introduced by the author in, is a steganographic system for WLANs (Wireless Local Area Networks). The main innovation of the...
Provided by Warsaw University
-
White Papers
Hiding Information in Retransmissions
May 14, 2009, 12:00am PDT
The paper presents a new steganographic method called RSTEG (Retransmission Steganography), which is intended for a broad class of protocols that utilises retransmission mechanisms. The main...
Provided by Warsaw University
-
White Papers
Adaptation of the Neural Network-Based IDS to New Attacks Detection
September 13, 2010, 12:00am PDT
In this paper the authors report the experiment concerning new attacks detection by a neural network-based Intrusion Detection System. What is crucial for this topic is the adaptation of the...
Provided by Warsaw University of Technology
-
White Papers
SecMon: End-to-End Quality and Security Monitoring System
April 1, 2008, 12:00am PDT
The Voice over Internet Protocol (VoIP) is becoming a more available and popular way of communicating for Internet users. This also applies to Peer-To-Peer (P2P) systems and merging these two have...
Provided by Warsaw University of Technology
-
White Papers
Logical Foundations and Complexity of 4QL, a Query Language With Unrestricted Negation
March 18, 2011, 12:00am PDT
The paper discusses properties of a DATALOG-like query language 4QL, originally outlined by Ma³uszy´nski and Sza³as [MS11]. 4QL allows one to use rules with negation in heads and bodies of rules....
Provided by Warsaw University
-
White Papers
Debellor: Open Source Modular Platform for Scalable Data Mining
May 25, 2009, 12:00am PDT
This paper introduces Debellor (www.debellor.org) - an open source extensible data mining platform with stream-oriented architecture, where all data transfers between elementary algorithms take...
Provided by Warsaw University
-
White Papers
Object Oriented Database Prototype as a Model Execution Engine for Executable UML
February 3, 2008, 12:00am PST
The concept of executable modelling, as outlined by the MDA approach, is not very common in the area of business software using databases. One of the reasons is certainly the increased complexity...
Provided by Warsaw University
-
White Papers
On Assuring QoS in Ethernet Access Network
July 19, 2007, 12:00am PDT
This paper deals with the problem of assuring strict QoS guarantees for the end to end connections that originate from Ethernet access network. It shows that despite high link capacities in some...
Provided by Warsaw University
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