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Impact of hybrid queing disciplines on the VoIP traffic delay
Saša Klampfer, Jože Mohorko, Žarko Čučej, 2009, izvirni znanstveni članek

Opis: Impact of hybrid queuing disciplines on the VoIP traffic delay
Ključne besede: hibridne metode, načini uvrščanja, VoIP, zakasnitev, ožičeno omrežje, hybrid methods, queuing disciplines, VoIP, delay, wired network
Objavljeno: 10.07.2015; Ogledov: 722; Prenosov: 10
URL Povezava na celotno besedilo

Graphʼs theory approach for searching the shortest routing path in RIP protocol
Saša Klampfer, Jože Mohorko, Žarko Čučej, Amor Chowdhury, 2012, izvirni znanstveni članek

Opis: Routing is a problem domain with an infinite number of final-solutions. One of the possible approaches to solving such problems is using graph theory. This paper presents mathematical analysis methodologies based on circular graphs for solving a shortest path routing problem. The problem is focused on searching for the shortest path within a circular graph. Such a search coincides with the network routing problem domain. In this paper, we introduce in the detail all necessary parts needed to understand such an approach. This includes: definition of the routing problem domain, introduction to circular graphs and their usage, circular graphʼs properties, definition of walks through a circular graph, searching and determining the shortest path within a circular graph, etc. The state of the art routing methods, implemented in contemporary highly sophisticated routers, includes well-known weight-based algorithms and distance-vectors-based algorithms. The proposed solution can be placed between the two abovementioned methods. Each of these known methods strives for optimal results, but each of them also has its own deficiencies, which should be rectified with the proposed new method. This theoretically presented method is argued by a practical example and compared with the RIP (Routing Information Protocol) technique, where we look for the shortest path and possible walks through a specified circular graph.
Ključne besede: circular graphs, shortest path, graph diameter, walk through, CIGRP, connectivity matrix, network topology, symmetry, fully connected graph
Objavljeno: 10.07.2015; Ogledov: 1313; Prenosov: 59
URL Povezava na celotno besedilo

Mathematical model of IRIS replication mechanism for the simulation of tactical networks
Jože Mohorko, Matjaž Fras, 2009, izvirni znanstveni članek

Opis: The Multilateral Interoperability Programme (MIP) was established to promote more successful and better harmonized operational functions for international peace-keeping forces. The C2IEDM/JC3IEDM (Command and Control Information Exchange Data Model) ensures the interconnection of Command and Control Information Systems (C2ISs) throughout all levels, from the corps down to the lower ranks. The usability of C2ISs highly correlates with the capacities of data information carriers, and the need is growing for greater capacity and reliability of transmission media and cryptographic message security. Simulation of tactical networks is an important task in planning military missions. Such methodologies assure a higher probability of success during critical tactical operations. This article focuses on a new radio network modeling method for the C2IS, which is verified by the OPNET simulation environment. This modeling method can be used in tactical radio network planning and optimization processes.
Ključne besede: communications, tactical networks, tactical radio networks, traffic modelling, radio network modeling, simulations, C2IS
Objavljeno: 01.06.2012; Ogledov: 1522; Prenosov: 78
URL Povezava na celotno besedilo

Influences of classical and hybrid queuing mechanisms on VoIP's QoS properties
Saša Klampfer, Amor Chowdhury, Jože Mohorko, Žarko Čučej, 2011, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Ključne besede: VoIP technologies, QoS, aplications
Objavljeno: 01.06.2012; Ogledov: 1223; Prenosov: 80
URL Povezava na celotno besedilo

Modeling and simulating the self-similar network traffic in simulation tool
Matjaž Fras, Jože Mohorko, Žarko Čučej, 2012, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Ključne besede: modeling, simulating, network traffic
Objavljeno: 01.06.2012; Ogledov: 1068; Prenosov: 67
URL Povezava na celotno besedilo

Expert system for automatic analysis of results of network simulation
Jože Mohorko, Saša Klampfer, Matjaž Fras, Žarko Čučej, 2011, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Objavljeno: 01.06.2012; Ogledov: 1263; Prenosov: 95
URL Povezava na celotno besedilo

Advanced modelling and simulation methods for communication networks
Jože Mohorko, Matjaž Fras, Saša Klampfer, 2008, izvirni znanstveni članek

Opis: This paper contains a brief overview of suitable simulation tools available for education and research on network technologies and protocols. Among the mentioned tools we present advanced methods for network simulations using the OPNET modeler simulation tool. This is one of the most widespread simulation tools for network simulations, appropriate for both for teaching and also for the researching procedures of new internet devices and protocols. The basic package is intended for simulating communication networks and for protocols and devices development. There are also additional specific modules, such as a module assigned to the simulation of wireless networks, an ACE module for application analyzing, 3DNV module for visualizing networks on virtual terrain and the "System in the loop" module for simulating networks with real communication equipment in the loop, in real-time.
Ključne besede: network simulation, simulation tools, modelling, communication networks, OPNET
Objavljeno: 31.05.2012; Ogledov: 1456; Prenosov: 37
URL Povezava na celotno besedilo

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