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University of the Aegean
(23 results)-
Whitepapers
Accuracy in Privacy-Preserving Data Mining Using the Paradigm of Cryptographic Elections
September 15, 2008, 12:00am PDT
Data mining technology raises concerns about the handling and use of sensitive information, especially in highly distributed environments where the participants in the system may by mutually...
Provided by University of the Aegean
-
White Papers
An Ontology Based-Policy for Deploying Secure SIP- Based VoIP Services
April 24, 2010, 12:00am PDT
Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the Internet, raises...
Provided by University of the Aegean
-
White Papers
Performance Evaluation of a Flooding Detection Mechanism for VoIP Networks
January 1, 2011, 12:00am PST
The Internet based Telephony services (IPTel) are mainly exposed to set of vulnerabilities that inherited from the employed protocols such as TCP/IP and proprietary VoIP protocols. One of the most...
Provided by University of the Aegean
-
White Papers
Detecting DNS Amplification Attacks
August 28, 2007, 12:00am PDT
DNS amplification attacks massively exploit open recursive DNS servers mainly for performing bandwidth consumption DDoS attacks. The amplification effect lies in the fact that DNS response...
Provided by University of the Aegean
-
White Papers
A Fair Solution to DNS Amplification Attacks
May 29, 2007, 12:00am PDT
Recent serious security incidents reported several attackers employing IP spoofing to massively exploit recursive name servers to amplify DDoS attacks against numerous networks. DNS amplification...
Provided by University of the Aegean
-
White Papers
A Mechanism for Ensuring the Validity and Accuracy of the Billing Services in IP Telephony
May 23, 2008, 12:00am PDT
The current penetration, but also the huge potential, of Voice over IP (VoIP) telephony services in the market, boosts the competition among telecommunication service providers who promote new...
Provided by University of the Aegean
-
White Papers
Novel Protecting Mechanism for SIP-Based Infrastructure Against Malformed Message Attacks: Performance Evaluation Study
May 11, 2008, 12:00am PDT
This paper presents a novel mechanism to protect Session Initiation Protocol (SIP)-based infrastructure against malformed message attacks. The basic characteristics of this mechanism are the...
Provided by University of the Aegean
-
White Papers
An Experimental Approach for Optimising Mobile Agent Migrations
December 20, 2010, 12:00am PST
The field of Mobile Agent (MA) technology has been intensively researched during the past few years, resulting in the phenomenal proliferation of available MA platforms, all sharing several common...
Provided by University of the Aegean
-
White Papers
A Virtual Reality Environment Supporting the Design and Evaluation of Interior Spaces
October 6, 2007, 12:00am PDT
Interior space design is a collaborative process for deriving different proposals on the content and structure of any type of interior space. This process is partially supported by mainstream CAD...
Provided by University of the Aegean
-
White Papers
Situation Awareness Mechanisms for Wireless Sensor Networks
February 6, 2011, 12:00am PST
A wireless sensor network is supposed to be able to operate for long periods of time with little or no external management. There is a requirement for this autonomy: the sensor nodes must be able...
Provided by University of the Aegean
-
White Papers
Effective Determination of Mobile Agent Itineraries for Data Aggregation on Sensor Networks
September 6, 2009, 12:00am PDT
A key feature of Wireless Sensor Networks (WSN) is the collaborative processing where the correlation existing over the local data of Sensor Nodes (SNs) is exploited so that the total data volume...
Provided by University of the Aegean
-
White Papers
Museum Shops: Experiences Gained From Developing Electronic and Mobile Commerce Solutions
September 19, 2009, 12:00am PDT
The phenomenal success of the web provides museum organizations an ideal medium for communication, documentation, promotion, advertisement, dissemination of cultural activities and marketing....
Provided by University of the Aegean
-
White Papers
Cultural Applications for Mobile Devices: Issues and Requirements for Authoring Tools and Development Platforms
November 19, 2008, 12:00am PST
This paper explores requirements that authoring tools and development platforms should satisfy for the development of cultural applications tailored for deployment on Personal Digital Assistants...
Provided by University of the Aegean
-
White Papers
Mobile Sinks for Information Retrieval From Cluster-Based WSN Islands
June 22, 2009, 12:00am PDT
Mobile Sinks (MS) mounted upon urban vehicles with fixed trajectories (e.g. buses) provide the ideal infrastructure to effectively retrieve sensory data from isolated Wireless Sensor Network (WSN)...
Provided by University of the Aegean
-
White Papers
Deploying Thick Mobile Clients Using Thin Client Architecture: A Case in Mobile Tourist Guides
June 4, 2008, 12:00am PDT
This paper introduces an approach of enhancing tourism web sites, giving the ability for such sites to be used as a tool to allow tourists to tag content of choice for downloading and viewing on...
Provided by University of the Aegean
-
White Papers
Evaluation of Mobile Tourist Guides
June 4, 2008, 12:00am PDT
Mobile guides have been in the spot light for the past decade or so they are becoming excessively available to tourists visiting places around the world. Most of which are to be used via a network...
Provided by University of the Aegean
-
White Papers
Mobile Agent Middleware for Autonomic Data Fusion in Wireless Sensor Networks
June 27, 2008, 12:00am PDT
Mobile Agents (MAs) are referred to as autonomous application programs with the inherent ability to move from node to node towards a goal completion. In the context of Wireless Sensor Networks...
Provided by University of the Aegean
-
White Papers
Analysis of the Hidden and Exposed Terminal Effects in Wireless Networks With Cooperative ARQ
July 7, 2010, 12:00am PDT
Cooperative Automatic Retransmission ReQuest (C-ARQ) schemes allow those users which overhear a transmission to act as spontaneous relays when a packet has been received with errors at...
Provided by University of the Aegean
-
White Papers
High Availability for SIP: Solutions and Real-Time Measurement Performance Evaluation
February 1, 2010, 12:00am PST
SIP is rapidly becoming a standard for service integration within a variety of wireless and wireline networks. In this regard high availability, reliability and redundancy are key factors for any...
Provided by University of the Aegean
-
Whitepapers
Experimental Performance Evaluation of a MAC Protocol for Cooperative ARQ Scenarios
August 10, 2009, 12:00am PDT
This paper provides details and performance evaluation of the implementation of the Persistent Relay Carrier Sensing Multiple Access (PRCSMA) protocol for Cooperative ARQ (C-ARQ) scenarios using...
Provided by University of the Aegean
-
Whitepapers
Performance Analysis of IEEE 802.11 Ad Hoc Networks With Cooperative ARQ in the Presence of Hidden and Exposed Terminals
August 10, 2009, 12:00am PDT
The authors present in this paper the analysis of an IEEE 802.11 network in the presence of hidden and exposed terminals when a Cooperative ARQ (C-ARQ) scheme is executed at the MAC layer. When...
Provided by University of the Aegean
-
Whitepapers
Testing Cooperative Communication Schemes in a Virtual Distributed Testbed of Wireless Networks
January 26, 2010, 12:00am PST
It is expected that Next Generation Networks (NGNs) will offer seamless interoperability among heterogeneous access technologies in order to provide ubiquitous access. In such settings, short...
Provided by University of the Aegean
-
Whitepapers
Radio Resource Allocation Algorithms for Multi-Service OFDMA Networks: The Uniform Power Loading Scenario
March 20, 2012, 12:00am PDT
Adaptive Radio Resource Allocation is essential for guaranteeing high bandwidth and power utilization as well as satisfying heterogeneous Quality-of-Service requests regarding next generation...
Provided by University of the Aegean
-
Whitepapers
Accuracy in Privacy-Preserving Data Mining Using the Paradigm of Cryptographic Elections
September 15, 2008, 12:00am PDT
Data mining technology raises concerns about the handling and use of sensitive information, especially in highly distributed environments where the participants in the system may by mutually...
Provided by University of the Aegean
-
Whitepapers
Radio Resource Allocation Algorithms for Multi-Service OFDMA Networks: The Uniform Power Loading Scenario
March 20, 2012, 12:00am PDT
Adaptive Radio Resource Allocation is essential for guaranteeing high bandwidth and power utilization as well as satisfying heterogeneous Quality-of-Service requests regarding next generation...
Provided by University of the Aegean
-
Whitepapers
Testing Cooperative Communication Schemes in a Virtual Distributed Testbed of Wireless Networks
January 26, 2010, 12:00am PST
It is expected that Next Generation Networks (NGNs) will offer seamless interoperability among heterogeneous access technologies in order to provide ubiquitous access. In such settings, short...
Provided by University of the Aegean
-
Whitepapers
Performance Analysis of IEEE 802.11 Ad Hoc Networks With Cooperative ARQ in the Presence of Hidden and Exposed Terminals
August 10, 2009, 12:00am PDT
The authors present in this paper the analysis of an IEEE 802.11 network in the presence of hidden and exposed terminals when a Cooperative ARQ (C-ARQ) scheme is executed at the MAC layer. When...
Provided by University of the Aegean
-
Whitepapers
Experimental Performance Evaluation of a MAC Protocol for Cooperative ARQ Scenarios
August 10, 2009, 12:00am PDT
This paper provides details and performance evaluation of the implementation of the Persistent Relay Carrier Sensing Multiple Access (PRCSMA) protocol for Cooperative ARQ (C-ARQ) scenarios using...
Provided by University of the Aegean
-
White Papers
High Availability for SIP: Solutions and Real-Time Measurement Performance Evaluation
February 1, 2010, 12:00am PST
SIP is rapidly becoming a standard for service integration within a variety of wireless and wireline networks. In this regard high availability, reliability and redundancy are key factors for any...
Provided by University of the Aegean
-
White Papers
Analysis of the Hidden and Exposed Terminal Effects in Wireless Networks With Cooperative ARQ
July 7, 2010, 12:00am PDT
Cooperative Automatic Retransmission ReQuest (C-ARQ) schemes allow those users which overhear a transmission to act as spontaneous relays when a packet has been received with errors at...
Provided by University of the Aegean
-
White Papers
Mobile Agent Middleware for Autonomic Data Fusion in Wireless Sensor Networks
June 27, 2008, 12:00am PDT
Mobile Agents (MAs) are referred to as autonomous application programs with the inherent ability to move from node to node towards a goal completion. In the context of Wireless Sensor Networks...
Provided by University of the Aegean
-
White Papers
Evaluation of Mobile Tourist Guides
June 4, 2008, 12:00am PDT
Mobile guides have been in the spot light for the past decade or so they are becoming excessively available to tourists visiting places around the world. Most of which are to be used via a network...
Provided by University of the Aegean
-
White Papers
Deploying Thick Mobile Clients Using Thin Client Architecture: A Case in Mobile Tourist Guides
June 4, 2008, 12:00am PDT
This paper introduces an approach of enhancing tourism web sites, giving the ability for such sites to be used as a tool to allow tourists to tag content of choice for downloading and viewing on...
Provided by University of the Aegean
-
White Papers
Mobile Sinks for Information Retrieval From Cluster-Based WSN Islands
June 22, 2009, 12:00am PDT
Mobile Sinks (MS) mounted upon urban vehicles with fixed trajectories (e.g. buses) provide the ideal infrastructure to effectively retrieve sensory data from isolated Wireless Sensor Network (WSN)...
Provided by University of the Aegean
-
White Papers
Cultural Applications for Mobile Devices: Issues and Requirements for Authoring Tools and Development Platforms
November 19, 2008, 12:00am PST
This paper explores requirements that authoring tools and development platforms should satisfy for the development of cultural applications tailored for deployment on Personal Digital Assistants...
Provided by University of the Aegean
-
White Papers
Museum Shops: Experiences Gained From Developing Electronic and Mobile Commerce Solutions
September 19, 2009, 12:00am PDT
The phenomenal success of the web provides museum organizations an ideal medium for communication, documentation, promotion, advertisement, dissemination of cultural activities and marketing....
Provided by University of the Aegean
-
White Papers
Effective Determination of Mobile Agent Itineraries for Data Aggregation on Sensor Networks
September 6, 2009, 12:00am PDT
A key feature of Wireless Sensor Networks (WSN) is the collaborative processing where the correlation existing over the local data of Sensor Nodes (SNs) is exploited so that the total data volume...
Provided by University of the Aegean
-
White Papers
Situation Awareness Mechanisms for Wireless Sensor Networks
February 6, 2011, 12:00am PST
A wireless sensor network is supposed to be able to operate for long periods of time with little or no external management. There is a requirement for this autonomy: the sensor nodes must be able...
Provided by University of the Aegean
-
White Papers
A Virtual Reality Environment Supporting the Design and Evaluation of Interior Spaces
October 6, 2007, 12:00am PDT
Interior space design is a collaborative process for deriving different proposals on the content and structure of any type of interior space. This process is partially supported by mainstream CAD...
Provided by University of the Aegean
-
White Papers
An Experimental Approach for Optimising Mobile Agent Migrations
December 20, 2010, 12:00am PST
The field of Mobile Agent (MA) technology has been intensively researched during the past few years, resulting in the phenomenal proliferation of available MA platforms, all sharing several common...
Provided by University of the Aegean
-
White Papers
Novel Protecting Mechanism for SIP-Based Infrastructure Against Malformed Message Attacks: Performance Evaluation Study
May 11, 2008, 12:00am PDT
This paper presents a novel mechanism to protect Session Initiation Protocol (SIP)-based infrastructure against malformed message attacks. The basic characteristics of this mechanism are the...
Provided by University of the Aegean
-
White Papers
A Mechanism for Ensuring the Validity and Accuracy of the Billing Services in IP Telephony
May 23, 2008, 12:00am PDT
The current penetration, but also the huge potential, of Voice over IP (VoIP) telephony services in the market, boosts the competition among telecommunication service providers who promote new...
Provided by University of the Aegean
-
White Papers
A Fair Solution to DNS Amplification Attacks
May 29, 2007, 12:00am PDT
Recent serious security incidents reported several attackers employing IP spoofing to massively exploit recursive name servers to amplify DDoS attacks against numerous networks. DNS amplification...
Provided by University of the Aegean
-
White Papers
Detecting DNS Amplification Attacks
August 28, 2007, 12:00am PDT
DNS amplification attacks massively exploit open recursive DNS servers mainly for performing bandwidth consumption DDoS attacks. The amplification effect lies in the fact that DNS response...
Provided by University of the Aegean
-
White Papers
Performance Evaluation of a Flooding Detection Mechanism for VoIP Networks
January 1, 2011, 12:00am PST
The Internet based Telephony services (IPTel) are mainly exposed to set of vulnerabilities that inherited from the employed protocols such as TCP/IP and proprietary VoIP protocols. One of the most...
Provided by University of the Aegean
-
White Papers
An Ontology Based-Policy for Deploying Secure SIP- Based VoIP Services
April 24, 2010, 12:00am PDT
Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the Internet, raises...
Provided by University of the Aegean
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