Performance Studies on Campus-Wide Focus on FTP, Video and VoIP Ethernet Network

2012 ◽  
Vol 4 (1) ◽  
pp. 49-59 ◽  
Author(s):  
Nuru I. Sarkar ◽  
Kashif Nisar ◽  
Layangi Babbage
Keyword(s):  
Network Model ◽  
Performance Studies ◽  
Asynchronous Transfer Mode ◽  
Simulation Software ◽  
Segment Length ◽  
Campus Network ◽  
Atm Network ◽  
Type Data ◽  
And Performance ◽  
The Impact

The Advanced Network Technologies is research that investigates technology(s) behind today’s modern networks and network infrastructures. One part of this technology being Asynchronous Transfer Mode (ATM). A technology commonly in place in networks all around the world today. This paper focuses on ATM. Dubbed “Modelling and Performance Studies of ATM Networks”; this research seeks to look at and into the “impact of application segment length on the performance of an ATM network” and the “impact of traffic type data on the performance of an ATM network”. To be able to examine an ATM network, the authors need to be able to simulate a network. Thus, for this research, they have used the OPNET Modeler 14.0 Simulation software to create a network model that represents a ATM network. By actually simulating an ATM network at AUT University New Zealand, the authors can therefore change certain variables, and observe the effects the changes have on performance. As stated, one of the impacts that will be explored is the effect that application segment length has on an ATM network. Thus, one variable that will be changed in the authors’ simulation is the segment length. This is the length of each packet segment that is sent through the network for a particular traffic type. The second impact to be inspected is the impact of different traffic types on an ATM network. This network model is based on a campus network. An Application Configuration is setup with default parameters which specify 8 common applications used. Among them the ones that the authors will focus on are VOIP, Video and FTP. A Profile Configuration is setup that will define the 3 applications stated above. A fixed node model of 100BaseT will specify the profile configuration for each scenario and the number of work stations of each scenario.

Modelling and Performance Studies of ATM Networks Over Email & FTP

2012 ◽  
Vol 4 (2) ◽  
pp. 16-25 ◽  
Author(s):  
Nurul I. Sarkar ◽  
Kashif Nisar
Keyword(s):  
Performance Studies ◽  
Asynchronous Transfer Mode ◽  
Real Life ◽  
Simulation Software ◽  
Segment Length ◽  
Atm Networks ◽  
Atm Network ◽  
Type Data ◽  
And Performance ◽  
The Impact

The Advanced Network Technologies is a research that investigates the technology(s) behind today’s modern networks and network infrastructures – one of these technologies being Asynchronous Transfer Mode (ATM); a technology commonly in place in networks all around the world today. Therefore, this paper focuses its attention on ATM. Dubbed “Modelling and Performance Studies of ATM Networks,” this research looks into the “impact of application segment length on the performance of an ATM network” and the “impact of traffic type data on the performance of an ATM network.” For this research, the authors have used the OPNET Modeler 14.0 Simulation software to create a network model that represents a real-life ATM network. By simulating an ATM network at AUT University New Zealand, the authors can change certain variables, and observe the effects the changes have on performance. As such, one of the impacts that will be explored is the effect that application segment length has on an ATM network. The second impact to be inspected is the impact of different traffic types on an ATM network. For example, Email traffic should theoretically affect an ATM network differently to the way that Voice traffic does. This way of thinking is what will be looked into further.

Modeling and Performance Studies of ATM Networks Over Voice and Video

2012 ◽  
Vol 3 (3) ◽  
pp. 47-56
Author(s):  
Kashif Nisar ◽  
Nurul I. Sarkar
Keyword(s):  
Performance Studies ◽  
Asynchronous Transfer Mode ◽  
Real Life ◽  
Segment Length ◽  
Atm Networks ◽  
Atm Network ◽  
Type Data ◽  
And Performance ◽  
Network Technologies ◽  
The Impact

The Advanced Network Technologies is a research that investigates the technology(s) behind today’s modern networks and network infrastructures one of these technologies being Asynchronous Transfer Mode (ATM). Therefore, also focuses its attention on ATM. Dubbed “Modelling and Performance Studies of ATM Networks”; this research seeks to look at, and into, the impact of application segment length on the performance of an ATM network and the impact of traffic type data on the performance of an ATM network. To be able to examine an ATM network, we need to be able to simulate it somehow. This research, the authors have used the OPNET Modeler 14.0 simulation tool to create a network model that represents a real-life ATM network. And by actually simulating an ATM network at AUT University New Zealand, they can therefore change certain variables, and observe the effects the changes have on performance. As stated above, one of the impacts that will be explored is the effect that application segment length has on an ATM network. Thus, one variable that will be changed in our simulation is the segment length. This is the length of each packet segment that is sent through the network for a particular traffic type. The second impact to be inspected is the impact of different traffic types on an ATM network. For example, voice & video traffic should theoretically affect an ATM network

Market orientation and performance: modelling a neural network

2009 ◽  
Vol 43 (3/4) ◽  
pp. 421-437 ◽  
Author(s):  
Manuela Silva ◽  
Luiz Moutinho ◽  
Arnaldo Coelho ◽  
Alzira Marques
Keyword(s):  
Neural Network ◽  
Market Orientation ◽  
Network Model ◽  
Neural Network Model ◽  
Performance Modelling ◽  
Network Modelling ◽  
Content Type ◽  
Market Intelligence ◽  
And Performance ◽  
The Impact

PurposeThis paper aims to investigate the impact of market orientation (MO) on performance using a neural network model in order to find new linkages and new explanations for this relationship.Design/methodology/approachThis investigation is based on a survey data collection from a sample of 192 Portuguese companies. A neural network model has been developed to identify the effects of each dimension of MO on each dimension of performance.FindingsRelationship among MO and performance was corroborated but MO's impact is poor and based on its first dimension, market intelligence generation.Research limitations/implicationsFurther research in this field should be conducted using other tools offered by neural network modelling.Practical implicationsManagers should give more attention to cross‐functional co‐ordination in order to improve market intelligence dissemination and responsiveness and, thus, global performance.Originality/valueThe paper presents the development of a neural network model to analyse this relationship.

scholarly journals Distributed Co-simulation of Maritime Systems and Operations

2018 ◽  
Vol 141 (1) ◽  
Author(s):  
Severin Sadjina ◽  
Lars Tandle Kyllingstad ◽  
Martin Rindarøy ◽  
Stian Skjong ◽  
Vilmar Æsøy ◽  
...  
Keyword(s):  
Best Practices ◽  
Performance Studies ◽  
System Simulation ◽  
Virtual Prototyping ◽  
Simulation Software ◽  
Model Coupling ◽  
Full System ◽  
Reusable Component ◽  
And Performance ◽  
High Level

Here, we present the concept of an open virtual prototyping framework (VPF) for maritime systems and operations that enables its users to develop reusable component or subsystem models, and combine them in full-system simulations for prototyping, verification, training, and performance studies. This framework consists of a set of guidelines for model coupling, high-level and low-level coupling interfaces to guarantee interoperability, a full-system simulation software, and example models and demonstrators. We discuss the requirements for such a framework, address the challenges and the possibilities in fulfilling them, and aim to give a list of best practices for modular and efficient virtual prototyping and full-system simulation. The context of our work is within maritime systems and operations, but the issues and solutions we present here are general enough to be of interest to a much broader audience, both industrial and scientific.

scholarly journals Optimization of Packaging Line Performance: A Case Study of AB Breweries in Nigeria

2018 ◽  
pp. 1-22
Author(s):  
Chinedu James Ujam ◽  
Harold Chukwuemeka Godwin
Keyword(s):  
Simulation Model ◽  
Design Of Experiment ◽  
Production System ◽  
Simulation Software ◽  
Production Performance ◽  
Machine Breakdown ◽  
Fishbone Diagram ◽  
And Performance ◽  
The Impact

This paper presents an approach for improving productivity in breweries. A case study of AB brewery was adopted. Traditionally, packaging line improve  performance and productivity based on extrapolation of past experience, but in recent times, the traditional method could not meet up with high increase in demand of products, hence the need to adopt a new approach of using information technology and software to analyze problems and improving performance. Eleven weeks of the following data were collected and calculated; production outputs and running time; OPI and Target; and Packaging line downtimes. Downtimes were grouped into machine breakdown, planned downtime, and external downtimes and analyzed with histogram to know the impact of each group to the overall downtimes. To apply fishbone diagram, it was further grouped into Material, Method, Man and Machine after which a Pareto graph was plotted to understand the area of focus in tackling production system problems. Tecnomatrix plant simulation software was adopted to develop a simulation model that mimic the real system which further found hidden problems existing within the production system. Design of experiment was carried out to select the best alternatives from the results generated, and finally excel spreadsheet interface was developed for better analysis and performance tracking of optimized system. Result of data analysis indicated that machine breakdown and external downtimes were the major problems affecting performance, while simulation model revealed that unregulated system and un-optimized regulated lines recorded high machine breakdown and speed losses which affected the production performance output respectively. Design of experiment found the best speed combination of sensors to optimize two labellers.

scholarly journals Online appropriations: collaborative technologies, digital texts, and Shakespeare’s authority

Authorship ◽  
2011 ◽  
Vol 1 (1) ◽  
Author(s):  
Jenni Ramone
Keyword(s):  
Performance Studies ◽  
Digital Technology ◽  
Digital Technologies ◽  
Digital Tools ◽  
Digital Repositories ◽  
Collaborative Technologies ◽  
Internet Users ◽  
Democratic Engagement ◽  
And Performance ◽  
The Impact

This article considers the impact of digital technologies on Shakespeare's status as author. Digital technology encourages a more democratic engagement with literature which privileges the reader and thereby moderates the author's powerful hold over their text. As a result, it is to be expected that with the increased availability of digital tools, Shakespeare's status and conventional, universalist readings of his works might decline. Technologies have the potential to open up Shakespeare's works to new kinds of readers: these include academics studying Shakespeare's works perspectives outside the traditional disciplines of literary and performance studies, but also the general public who appropriate Shakespeare when shaping their online identities, or contribute to digital repositories of Shakespeare references. My paper considers the contradiction that while, in theory, digital technologies invite the reader to wrest control from the author, in practice those tools are sometimes used to bolster Shakespeare's universal value and genius. I consider the ultimate effect on Shakespeare's author status when digital technologies are applied to his works, and suggest that one way to measure this might be to explore appropriations of Shakespeare's characters online by individual internet users.

Finding Your Own Voice

2017 ◽  
Author(s):  
Helen Phelan
Keyword(s):  
Performance Studies ◽  
Performance Practice ◽  
Practice Theory ◽  
Core Values ◽  
Cultural Space ◽  
And Performance ◽  
The Impact

Chapter 3 introduces the Irish World Academy of Music and Dance and its emergence as a key site of cultural debate and performance in the 1990s. It explores ways in which mythology, symbol, and ritual are constantly evoked within the Academy to reinforce, contest, and perform its core values of inclusivity, creativity, and respect for diversity. It examines the impact of practice theory on understandings of performance. Practice theory and performance studies have helped singers, dancers, and musicians recast their activities, not as passive “inscriptions” onto their bodies in socially structured rituals, but as active, intelligent practices, influencing social and cultural space through performance. It suggests that the Academy continuously ritualizes and performs its ethos of creative belonging.

scholarly journals Reliability of technical systems and the methodology for calculating MTBF using Flexsim computer simulation

2019 ◽  
Vol 132 ◽  
pp. 01012
Author(s):  
Maciej Kuboń ◽  
Ireneusz Kaczmar ◽  
Pavol Findura
Keyword(s):  
Computer Simulation ◽  
Simulation Model ◽  
Computer Modeling ◽  
Simulation Software ◽  
Machine Failure ◽  
Machine Reliability ◽  
Technical Systems ◽  
And Performance ◽  
The Impact ◽  
Theoretical Foundations

The paper focuses on computer modeling of the reliability of technical systems using FlexSim simulation software. It presents the theoretical foundations of machine reliability and principles of describing this phenomenon. The discussion demonstrates how to estimate the main parameters of reliability analysis - MTBF and MTTR. The end result was designing a simulation model and assessing the impact of machine failure on the productivity and performance of a technical system.

“Just Engage in It or Not, You Get Out What You Put In”: Student and Staff Experiences of Feedback and Feedforward in Workplace-Based Learning Environments

2021 ◽  
pp. e20200124
Author(s):  
Sheena Warman ◽  
Sarah Kelly ◽  
Angela Hague ◽  
Andrew Blythe ◽  
Nigel D. Robb
Keyword(s):  
Social Work ◽  
Learning Environments ◽  
Performance Studies ◽  
Performance Feedback ◽  
Health Science ◽  
Future Performance ◽  
Nuanced Understanding ◽  
And Performance ◽  
Staff Experiences ◽  
The Impact

Feedback is central to student learning in the veterinary workplace. Feedforward, a related concept, is used to describe the way information about a student’s performance may be used to improve their future performance. Feedback and feedforward practices are diverse, with varied student and staff understandings of the nature and purpose of feedback (feedback literacy). This study compared the practices of feedback and feedforward in a range of programs in one institution during student transitions from the classroom to workplace-based learning environments. The study adopted a broad inter-professional approach to include health care programs as well as social work and theater and performance studies. Profession-specific focus groups were conducted with contribution from 28 students and 31 staff from five different professions. Thematic analysis revealed that students and staff shared an understanding of the feedback and feedforward concepts, and both groups recognized the importance of emotional and relational aspects of the process. Students and staff across all professions recognized the impact of time constraints on the feedback process, although this was particularly highlighted in the health science professions. Social work and theater and performance studies students demonstrated a more nuanced understanding of the emotional and relational aspects of feedback and feedforward. Overall, the approach highlights similarities and differences in practices and experiences in different workplace contexts, creating opportunities for cross-disciplinary learning, which may have relevance more widely in higher education programs with workplace-based elements. The study underpinned the development of the LeapForward feedback training resource ( https://bilt.online/the-leapforward-project/ ).

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