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Iran Telecommunication Research Center
(20 results)-
White Papers
Anomaly Intrusion Detection System Using Hierarchical Gaussian Mixture Model
August 1, 2008, 12:00am PDT
Intrusion Detection Systems have been widely used to overcome security threats in computer networks and to identify unauthorized use, misuse, and abuse of computer systems. Anomaly-based...
Provided by Iran Telecommunication Research Center
-
White Papers
Analysis of Performance and Quality Parameters for Service Level Agreement in Long Distance Calls Service
March 21, 2008, 12:00am PDT
SLA (Service level agreement) is a formal negotiated contract between service providers and customers. Nowadays the quality of telecommunication services is the key parameter in the success or...
Provided by Iran Telecommunication Research Center
-
White Papers
Malware Fuzzy Ontology for Semantic Web
July 29, 2008, 12:00am PDT
The term malware, in the area related to computer science, is used to define malicious code which is designed and written to execute attacks on software systems. In this paper, after a quick...
Provided by Iran Telecommunication Research Center
-
White Papers
An Intrusion Detection Technique Using Co-Co Immune System for Distributed Data Networks (CoCo -ISD)
April 1, 2008, 12:00am PDT
Increasing the number of intrusions 1 and attacks 2 especially in large scale and distributed public data networks has initiated a new phenomenon in cyberspace's security. It presents a novel...
Provided by Iran Telecommunication Research Center
-
White Papers
Optimal Resource Allocation in Next Generation Network Services Using Engineering Optimization With Linear Constraint Particle Swarm
November 1, 2008, 12:00am PDT
This paper considers the problem of pricing for optimal resource allocation service using Engineering Optimization with Particle Swarm algorithm that ensures efficient resource allocation that...
Provided by Iran Telecommunication Research Center
-
White Papers
A Combined Method for Detecting Spam Machines on a Target Network
July 1, 2009, 12:00am PDT
The HITS and PageRank algorithms and K-Means clustering algorithm are two main methods for detecting spam machines. In PageRank algorithm, it is proposed to calculate weights based on different...
Provided by Iran Telecommunication Research Center
-
White Papers
Delay Calculation of Internet Traffic in Mobile Systems
October 1, 2009, 12:00am PDT
An important QoS factor for wireless network planning is delay. The authors should provide enough resources (Bandwidth) for conveying the traffic load. Next generation a wireless network is going...
Provided by Iran Telecommunication Research Center
-
White Papers
Nodes' Credit Based Directed Diffusion for Wireless Sensor Networks
November 28, 2008, 12:00am PST
For data gathering in wireless sensor networks, sensors extract useful information from environment; this information has to be routed through several intermediate nodes to reach the destination....
Provided by Iran Telecommunication Research Center
-
White Papers
Private Identification, Authentication and Key Agreement Protocol With Security Mode Setup
January 25, 2011, 12:00am PST
Identification, authentication and key agreement protocol of UMTS networks with security mode setup has some weaknesses in the case of mutual freshness of key agreement, DoS-attack resistance, and...
Provided by Iran Telecommunication Research Center
-
White Papers
Design and Implementation of a Fast VOQ Scheduler for a Switch Fabric
September 1, 2008, 12:00am PDT
The technical manufacturing, which is based on Switch Fabric and VOQ (Virtual Output Queuing), is used in speedy routers, which are used in core network. For configuring of Switch Fabric having...
Provided by Iran Telecommunication Research Center
-
White Papers
Scenarios for Testing Reliable Transmission of Provisional Responses in SIP User Agent
October 1, 2008, 12:00am PDT
In this paper, the authors present testing scenarios for reliable transmission of provisional responses in SIP user agent. Several test scenarios for different functionalities of SIP user agent...
Provided by Iran Telecommunication Research Center
-
White Papers
A Novel Plausible Deniability Scheme in Secure Steganography
June 13, 2009, 12:00am PDT
The goal of steganography is to avoid drawing suspicion to the transmission of a hidden message. If suspicion is raised, steganography may fail. The success of steganography depends on the secrecy...
Provided by Iran Telecommunication Research Center
-
White Papers
Backplane Serial Signaling and Protocol for Telecom Systems
December 14, 2010, 12:00am PST
In this paper, the authors implement a modern serial backplane platform for telecommunication inter-rack systems. For combination high reliability and low cost protocol property, they applied...
Provided by Iran Telecommunication Research Center
-
White Papers
A New Scheme for On-Demand Group Mobility Clustering in Mobile Ad Hoc Networks
February 20, 2008, 12:00am PST
Clustering is an important concept for Mobile Ad hoc NETworks (MANETs), because clustering makes it possible to guarantee basic levels of system performance, such as throughput, delay and also...
Provided by Iran Telecommunication Research Center
-
White Papers
Improving the Information Technology Service Management With Six Sigma
March 1, 2008, 12:00am PST
Over the last few years, the number of organizations that deliver Information Technology (IT) services is increased. There are some frameworks such as Information Technology Infrastructure Library...
Provided by Iran Telecommunication Research Center
-
White Papers
Safety Technologies Impacts Survey in M-Services Security Provision
July 1, 2010, 12:00am PDT
Nowadays, Effectiveness and benefits of mobile phone technologies appeared more than expected. During the recent decade, using of mobile phone improved from telephone call tools to a remote...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Service Architecture for 3rd Party Operator's Participation
February 20, 2008, 12:00am PST
Next generation networks with the idea of convergence of service and control layer in existing networks (fixed, mobile and data) and with the intention of providing services in an integrated...
Provided by Iran Telecommunication Research Center
-
Whitepapers
A Robust Cross-Layer Design of Clustering-Based Routing Protocol for MANET
February 20, 2008, 12:00am PST
In the area of wireless Ad hoc networks, efficient resource allocation with using hierarchal routing protocols is a very important research issue. A number of hierarchal-based routing algorithms...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Slot Reservation Demand Assignment Multiple Access Control Protocol for Signalling of Telephony Traffic Via Geo Satellite
February 20, 2008, 12:00am PST
High expense of satellite channels along with providing telephony services for rural regions makes them to propose a new Medium Access Control (MAC) protocol for sending signaling of telephony...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Rain Effects on SDH-Based Networks Using Protection Switching
February 20, 2008, 12:00am PST
In this paper, radio relay systems for Synchronous Digital Hierarchy (SDH)-based networks with path type Synchronous Transfer Module of order 0 (STM-0) without protection switching and with 1+1...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Rain Effects on SDH-Based Networks Using Protection Switching
February 20, 2008, 12:00am PST
In this paper, radio relay systems for Synchronous Digital Hierarchy (SDH)-based networks with path type Synchronous Transfer Module of order 0 (STM-0) without protection switching and with 1+1...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Slot Reservation Demand Assignment Multiple Access Control Protocol for Signalling of Telephony Traffic Via Geo Satellite
February 20, 2008, 12:00am PST
High expense of satellite channels along with providing telephony services for rural regions makes them to propose a new Medium Access Control (MAC) protocol for sending signaling of telephony...
Provided by Iran Telecommunication Research Center
-
Whitepapers
A Robust Cross-Layer Design of Clustering-Based Routing Protocol for MANET
February 20, 2008, 12:00am PST
In the area of wireless Ad hoc networks, efficient resource allocation with using hierarchal routing protocols is a very important research issue. A number of hierarchal-based routing algorithms...
Provided by Iran Telecommunication Research Center
-
Whitepapers
Service Architecture for 3rd Party Operator's Participation
February 20, 2008, 12:00am PST
Next generation networks with the idea of convergence of service and control layer in existing networks (fixed, mobile and data) and with the intention of providing services in an integrated...
Provided by Iran Telecommunication Research Center
-
White Papers
Safety Technologies Impacts Survey in M-Services Security Provision
July 1, 2010, 12:00am PDT
Nowadays, Effectiveness and benefits of mobile phone technologies appeared more than expected. During the recent decade, using of mobile phone improved from telephone call tools to a remote...
Provided by Iran Telecommunication Research Center
-
White Papers
A New Scheme for On-Demand Group Mobility Clustering in Mobile Ad Hoc Networks
February 20, 2008, 12:00am PST
Clustering is an important concept for Mobile Ad hoc NETworks (MANETs), because clustering makes it possible to guarantee basic levels of system performance, such as throughput, delay and also...
Provided by Iran Telecommunication Research Center
-
White Papers
Backplane Serial Signaling and Protocol for Telecom Systems
December 14, 2010, 12:00am PST
In this paper, the authors implement a modern serial backplane platform for telecommunication inter-rack systems. For combination high reliability and low cost protocol property, they applied...
Provided by Iran Telecommunication Research Center
-
White Papers
A Novel Plausible Deniability Scheme in Secure Steganography
June 13, 2009, 12:00am PDT
The goal of steganography is to avoid drawing suspicion to the transmission of a hidden message. If suspicion is raised, steganography may fail. The success of steganography depends on the secrecy...
Provided by Iran Telecommunication Research Center
-
White Papers
Scenarios for Testing Reliable Transmission of Provisional Responses in SIP User Agent
October 1, 2008, 12:00am PDT
In this paper, the authors present testing scenarios for reliable transmission of provisional responses in SIP user agent. Several test scenarios for different functionalities of SIP user agent...
Provided by Iran Telecommunication Research Center
-
White Papers
Design and Implementation of a Fast VOQ Scheduler for a Switch Fabric
September 1, 2008, 12:00am PDT
The technical manufacturing, which is based on Switch Fabric and VOQ (Virtual Output Queuing), is used in speedy routers, which are used in core network. For configuring of Switch Fabric having...
Provided by Iran Telecommunication Research Center
-
White Papers
Private Identification, Authentication and Key Agreement Protocol With Security Mode Setup
January 25, 2011, 12:00am PST
Identification, authentication and key agreement protocol of UMTS networks with security mode setup has some weaknesses in the case of mutual freshness of key agreement, DoS-attack resistance, and...
Provided by Iran Telecommunication Research Center
-
White Papers
Nodes' Credit Based Directed Diffusion for Wireless Sensor Networks
November 28, 2008, 12:00am PST
For data gathering in wireless sensor networks, sensors extract useful information from environment; this information has to be routed through several intermediate nodes to reach the destination....
Provided by Iran Telecommunication Research Center
-
White Papers
Delay Calculation of Internet Traffic in Mobile Systems
October 1, 2009, 12:00am PDT
An important QoS factor for wireless network planning is delay. The authors should provide enough resources (Bandwidth) for conveying the traffic load. Next generation a wireless network is going...
Provided by Iran Telecommunication Research Center
-
White Papers
A Combined Method for Detecting Spam Machines on a Target Network
July 1, 2009, 12:00am PDT
The HITS and PageRank algorithms and K-Means clustering algorithm are two main methods for detecting spam machines. In PageRank algorithm, it is proposed to calculate weights based on different...
Provided by Iran Telecommunication Research Center
-
White Papers
Optimal Resource Allocation in Next Generation Network Services Using Engineering Optimization With Linear Constraint Particle Swarm
November 1, 2008, 12:00am PDT
This paper considers the problem of pricing for optimal resource allocation service using Engineering Optimization with Particle Swarm algorithm that ensures efficient resource allocation that...
Provided by Iran Telecommunication Research Center
-
White Papers
An Intrusion Detection Technique Using Co-Co Immune System for Distributed Data Networks (CoCo -ISD)
April 1, 2008, 12:00am PDT
Increasing the number of intrusions 1 and attacks 2 especially in large scale and distributed public data networks has initiated a new phenomenon in cyberspace's security. It presents a novel...
Provided by Iran Telecommunication Research Center
-
White Papers
Malware Fuzzy Ontology for Semantic Web
July 29, 2008, 12:00am PDT
The term malware, in the area related to computer science, is used to define malicious code which is designed and written to execute attacks on software systems. In this paper, after a quick...
Provided by Iran Telecommunication Research Center
-
White Papers
Analysis of Performance and Quality Parameters for Service Level Agreement in Long Distance Calls Service
March 21, 2008, 12:00am PDT
SLA (Service level agreement) is a formal negotiated contract between service providers and customers. Nowadays the quality of telecommunication services is the key parameter in the success or...
Provided by Iran Telecommunication Research Center
-
White Papers
Anomaly Intrusion Detection System Using Hierarchical Gaussian Mixture Model
August 1, 2008, 12:00am PDT
Intrusion Detection Systems have been widely used to overcome security threats in computer networks and to identify unauthorized use, misuse, and abuse of computer systems. Anomaly-based...
Provided by Iran Telecommunication Research Center
-
White Papers
Improving the Information Technology Service Management With Six Sigma
March 1, 2008, 12:00am PST
Over the last few years, the number of organizations that deliver Information Technology (IT) services is increased. There are some frameworks such as Information Technology Infrastructure Library...
Provided by Iran Telecommunication Research Center
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