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Performance evaluation of WLAN in enterprise WAN with real-time applications based on OPNET modeler

Mohammed Ghadhban Al-Hamiri, Haider J. Abd, Hanaa M. Al Abboodi
2021 Indonesian Journal of Electrical Engineering and Computer Science  
The findings confirmed that the FDDI Hybrid Ring scenario presents better performance than the FDDI Hybrid Star Scenario and FDDI scenario in terms of WLAN delay, WLAN load, FTP download response time,  ...  <p><span>Wireless local area networks (WLAN) has been used recently due to their benefits which exhibits outstanding mobility with easier and faster configurations.  ...  These diversified real-time applications and development in WLAN networks increase Quality of service (QoS) challenges in terms of load, response time, traffic, and delay [1] .  ... 
doi:10.11591/ijeecs.v21.i2.pp911-918 fatcat:p4rs4w7cgvdg3kzbsccgrc7lm4

BuST: Budget Sharing Token protocol for hard real-time communication

Gianluca Franchino, Giorgio C. Buttazzo, Tullio Facchinetti
2007 2007 IEEE Conference on Emerging Technologies & Factory Automation (EFTA 2007)  
Timed-token networks, such as FDDI, support both synchronous real-time traffic and non real-time traffic (asynchronous messages).  ...  The medium access scheme of FDDI guarantees up to one half of the total network bandwidth for synchronous communication.  ...  A wireless version of the timed token protocol has been developed in [6] , as communication infrastructure for the coordination of a mobile robots team.  ... 
doi:10.1109/efta.2007.4416928 dblp:conf/etfa/FranchinoBF07 fatcat:afsirguamzfijnwtk4wdwgvy7m

An Optimized Salahaddin University New Campus IP-Network Design using OPNET

Ammar. O., Raghad Z.Yousif, Rakan S.Rashid
2017 International Journal of Advanced Computer Science and Applications  
The third scenario uses FDDI (Fiber Distributed Data Interface) technology. In the fourth scenario, a combination of the VLAN based core switch and FDDI is presented.  ...  At access layer (college level) Wireless Local Area Network (WLAN) is employed to provide Wi-Fi to the end user for ultimate mobility.  ...  FDDI is a network technology that supports 100 Mbps transmission rate for up to 500 communicating stations configured in a ring or a hub topology.  ... 
doi:10.14569/ijacsa.2017.081261 fatcat:yrbd7rb7cfdftiefaaih4jwcke

PERFORMANCE ANALYSIS OF VOIP OVER WIRED AND WIRELESS NETWORKS NETWORK IMPLEMENTATION IN ADEN UNIVERSITY

Mohsen Hussein Mohammed .
2016 International Journal of Research in Engineering and Technology  
In this Paper, the objective of simulation models is presented to investigate the performance of VoIP codecs over WiMAX and FDDI networks that specially design for Aden University.  ...  Different parameters that represent the QoS like end to end delay, jitter, traffic sends and traffic received, MOS are calculated and analyzed in both network scenarios.  ...  [6] , present a simulation for SIP-Based based VoIP in Mosul college community. Voice telephony is taken into consideration as a real-time service carrier and time sensitive service.  ... 
doi:10.15623/ijret.2016.0502059 fatcat:golyvmlzafg7vfqfny7np5pvs4

Coding-Based Data Broadcast Scheduling in On-Demand Broadcast

Cheng Zhan, Victor C. S. Lee, Jianping Wang, Yinlong Xu
2011 IEEE Transactions on Wireless Communications  
Lee, "Transmitting Real-Time VBR Traffic with QoS Control in a Timed Token Medium Access Control Network," Computer Communications, vol. 22, no. 10, pp. 930-941, 1999. 36/76 (47%) Telecommunications  ...  Lee, Sheung-lun Hung and Chan Edward, "Performance Studies of Real-Time Communications in ATM Networks," Control Engineering Practice, A Journal of IFAC, vol. 4, no. 10, pp. 1443-1449, 1996. 37.  ... 
doi:10.1109/twc.2011.092011.101652 fatcat:jyi5nmkxqfcutfjbctqa6dl4du

A computational asset vulnerability model for the strategic protection of the critical infrastructure

Richard White, Terrance Boult, Edward Chow
2014 International Journal of Critical Infrastructure Protection  
multimedia doc- ument transfer and real-time multimedia share editing among terminals on different networks.  ...  Specific projects: • NICE-NAPLPS-based Integrated Communication Environment for Education, sponsored by Sencenbaugh Research Trust Fund. • Java-based Sharedraw-Real-time Computer Conference Tool (text+  ... 
doi:10.1016/j.ijcip.2014.06.002 fatcat:wupejmictrfthp22jzeknitwxu

A High Speed Networks Applications and Requirements

Younis S. Younis
2020 Journal of education and science  
can cause bottlenecks and network downtime, in addition to the large number of users of the network and the causes of these problems.  ...  In this paper the main problems that's represented by using the information network to transfer information such as text, image and video files, conversations or direct video lectures, periods of use that  ...  and file delivery in real time.  client-server and client-client applications in real-time.  ... 
doi:10.33899/edusj.2020.164376 fatcat:6yddncq2q5hkxee26xtvmyty4y

Fiber optics based schemes modeling and simulation of QoS for Wi-Fi scenarios using OPNET modeler

Suhad Hasan Rhaif, Adnan Hussein Ali, Rana K. Abdulnabi, Ali Abdulwahhab Abdulrazzaq
2020 International Journal of Electrical and Computer Engineering (IJECE)  
Many scenarios, with same Physical and MAC parameters, have many subnet networks are implementing with fiber optics baseline in addition to Wi-Fi baseline, were created in the network OPNET simulation  ...  In this paper, OPNET Modeler is used as module and for the simulation of a fiber optic-based Wi-Fi network within a fixed local area network.  ...  Furthermore, the majority of the initial weakness of Wi-Fi technology is solved by the 802.11i, which makes it safe in fixed networks -Mobility: it is widely assumed that wireless networks are mobile and  ... 
doi:10.11591/ijece.v10i3.pp2569-2578 fatcat:gif6prfvcncn3em2b6oen5t5bi

Parallel Network Simulation With OMNeT++

András Varga, Ahmet Y. Şekercioğlu Şekercioğlu
2009 Research and Development on Information and Communication Technology  
The primary application area of OMNeT++ is the simulation of communication networks.  ...  We intend touse this framework to harness the computational capacity of highperformance cluster computersfor modeling very large scale telecommunication networks to investigate protocol performance and  ...  The topology of the network and the cable lengths were taken from the real system. The load used in the simulation model came from measurements taken on the real FDDI rings.  ... 
doi:10.32913/mic-ict-research.v3.n5.320 fatcat:ljaiekpo6nfmdey7zh6remsqji

Enhancing security of cookie-based sessions in mobile networks using sparse caching

Amerah Alabrah, Jeffrey Cashion, Mostafa Bassiouni
2013 International Journal of Information Security  
Computing and Communications Conference (IPCCC'08), Austin, Texas, December 7-9, 2008.  ...  * Xingbo Gao and Mostafa Bassiouni "Modeling and Performance Evaluation of Optical Burst Switched Ring Networks with Efficient Adaptive Routing" Proceedings of the 27 th IEEE International Performance  ...  Varalakshmi: graduated in December 1995. Title: Real-time services in communication networks. * D. Tjong: graduated in December 1995. Title: Network congestion control. * D.  ... 
doi:10.1007/s10207-013-0223-8 fatcat:2mz7xytvyrhmlechdrukarjauy

Network Requirements for Large Distributed Virtual Environments [chapter]

R. B. Araujo, C. Kirner
1995 IFIP Advances in Information and Communication Technology  
The characteristics of large virtual environments are introduced and their network requirements analysed from the network bandwidth and latency point of view.  ...  When multimedia information is integrated to these systems, demands over the network are even more stringent.  ...  real time. • heterogeneous computer and network resources.  ... 
doi:10.1007/978-0-387-34904-6_15 fatcat:y5hlurjp25g4hahc26mlt6amda

Satellite ATM network architecture [Guest Editorial]

S. Kota, R. Jain, R. Goyal
1999 IEEE Communications Magazine  
They then use a real-time video stream as a representative application and analyze its performance with four MAC protocols.  ...  His article, "Network Segment Mobility in ATM Networks," describes extensions t o PNNI for support of network mobility and discusses both routing support and location management issues for a mobile network  ...  They then use a real-time video stream as a representative application and analyze its performance with four MAC protocols.  ... 
doi:10.1109/mcom.1999.751492 fatcat:xbvhkoar6nbkvfhhr63u3fvuli

Converged Networking: A Review of Concepts and Technologies

Adel Ahmed Ali, Ahmed M. Al-Naamany
2000 Sultan Qaboos University Journal for Science  
The specific areas addressed here are networking basics, networking technologies, types of traffic, and convergence of computer and communication networks.  ...  in the future.  ...  The growing use of multimedia communication applications with specific bandwidth and real time delivery requirements has created the need for an integrated services Internet in which traditional best effort  ... 
doi:10.24200/squjs.vol5iss0pp209-225 fatcat:n6nrffb6cjebzm2pddvarwc7mu

Distributed Industrial Information Systems: Design and Experience [chapter]

Paulo Veríssimo, Sérgio Melro, António Casimiro, Luís Silva
1996 IFIP Advances in Information and Communication Technology  
The introduction of computers in office/factory floors is many often bottom-up.  ...  Distributed systems have proliferated in informatic applications during the last few years.  ...  As future work, we plan to address the issue of mobility, by inserting GPS-based guidance in mobile cells, and GSM-based communications, to support mobile industrial and mission-critical information systems  ... 
doi:10.1007/978-0-387-35065-3_17 fatcat:t6jbr4ivczgolfrkuekfjudvfq

Network modelling and simulation tools

Muhammad Azizur Rahman, Algirdas Pakštas, Frank Zhigang Wang
2009 Simulation modelling practice and theory  
This paper reviews some of the most important network MS tools developed recently. This paper also shows a classification of the tools used in communications networks.  ...  Computer network technologies have been growing explosively and the study in computer networks is being a challenging task.  ...  It features full reporting, host scanning, and real-time vulnerability searches.  ... 
doi:10.1016/j.simpat.2009.02.005 fatcat:micyepqhpjck3dcylb74juwbqu
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