Performance Comparison of Transport Layer Protocols

Ali H. Wheeb

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Publication Date

Mon Jun 01 2015

Journal Name

International Journal Of Advanced Research In Computer Science And Software Engineering

Volume

5

Issue Number

12

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19

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Performance Comparison of Transport Layer Protocols

TCP

UDP

CBR

NS-2

AWK

GUNPLOT

Ali H. Wheeb

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Transport layer is responsible for delivering data to the appropriate application process on the host computers. The two most popular transport layer protocols are Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). TCP is considered one of the most important protocols in the Internet. UDP is a minimal message-oriented Transport Layer protocol. In this paper we have compared the performance of TCP and UDP on the wired network. Network Simulator (NS2) has been used for performance Comparison since it is preferred by the networking research community. Constant bit rate (CBR) traffic used for both TCP and UDP protocols.

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Publication Date

Tue Aug 02 2022

Journal Name

Karbala International Journal Of Modern Science

Performance Simulation for Adaptive Optics Technique Using OOMAO Toolbox

Adaptive Optics (AO)

OOMAO

Strehl R atio (SR)

Full Turbulence

Residue Turbulence

Noise.

Mahmood

Raaid

Bushra

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The Adaptive Optics technique has been developed to obtain the correction of atmospheric seeing. The purpose of this study is to use the MATLAB program to investigate the performance of an AO system with the most recent AO simulation tools, Objected-Oriented Matlab Adaptive Optics (OOMAO). This was achieved by studying the variables that impact image quality correction, such as observation wavelength bands, atmospheric parameters, telescope parameters, deformable mirror parameters, wavefront sensor parameters, and noise parameters. The results presented a detailed analysis of the factors that influence the image correction process as well as the impact of the AO components on that process

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(6)

(1)

Publication Date

Tue Oct 01 2013

Journal Name

Journal Of Economics And Administrative Sciences

Developing the high performance practices to attain Organizational effectiveness

الموارد البشرية- ومنظومة عمل الأداء العالي - وممارسات منظومة عمل الأداء العالي- والتوظيف الفعال- والتدريب المعمق- وتهيئة فرص المسار الوظيفي- ومشاركة العاملين- ومبدأ تقاسم المعلومات- ومبدأ تطوير المعرفة- ومبدأ ربط العائد بالأداء - ومبدأ المساواة

Human Resource Management- High Performance Work System- high performance work system practices- Effective staffing- comprehensive training- providing work career- employee participation -Shared Information- Knowledge Development - Performance – Reward linkage- Egalitarianism

سعد علي

سمر عادل

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Abstract

This current research aims to make theoretical frame for the thoughts and principle knowledge for high performance work system ،also trying to know the role that high performance work system practices which is (Effective staffing، comprehensive training، providing work career، and employee participation) play to enhance the organization effectiveness ، although knowing the principles of high performance work system which is: (Shared Information، Knowledge Development Performance and Reward linkage Egalitarianism)and its effect on the organizations. As well as defining the special concept of High performance wo

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Publication Date

Sun Dec 01 2019

Journal Name

Academy Of Accounting And Financial Studies Journal

Organizational performance in Iraqi SMEs: Validity and reliability questionnaire

Mohammed

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(14)

Publication Date

Mon Jul 28 2025

Journal Name

Applied Physics Letters

Theoretical defect engineering in AgBiI4 for enhanced photovoltaic performance

Quanhe

Haoze

Zhongyi

Haoyu

Rasha A.

Run

Weiwei

Fei

Feng

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Silver-bismuth iodide (ABI) ternary semiconductors, such as AgBi2I7, AgBiI4, Ag2BiI5, and Ag3BiI6, have emerged as promising lead-free light absorbers for photovoltaic applications due to their favorable optoelectronic properties. Despite recent advances that have improved power conversion efficiencies from ∼1% to over 5%, ABI-based solar cells still show substantial open-circuit voltage (VOC) losses of up to ∼1 V, which significantly hinder the device performance. These losses have been experimentally attributed to the non-radiative recombination originating from intrinsic defects, however, theoretical understanding of these defect mechanisms remains limited. Here, using density functional theory calculations, we systematical

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(2)

Publication Date

Mon Mar 08 2021

Journal Name

Baghdad Science Journal

Fast neutrons Al-Hamdani utilization to solar cells performance

Ali-H.

Nidalla H.K.

Saad Adbulwahed

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Been in this gravel study the effect of Alchgag fast neutrons emitted by the source on the electrical properties of silicon solar cells monounsaturated crystal at a constant rate of neutron flow rate of a wide range of neutron flow speed ranges for periods of time ranging from 2-10 hours

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Publication Date

Sat Oct 01 2016

Journal Name

Journal Of Theoretical And Applied Information Technology

Factors affecting global virtual teams’ performance in software projects

Today the trend is to perform software development work via distributed geographical area among team

individual or even as an organization. However

due to the global market and international presence of many companies

there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space

time and organizational boundaries via information and communication technologies. A global virtual team relies on communication

collaboration

and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study

we investigated factors that affect global virtual teams’ performance

factors considered include cultural differences

language problems

time-zone differences

team size

technical problems

lack of trust

lack of sufficient training

and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand

Ali Yahya Gheni

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(24)

Publication Date

Tue Dec 20 2022

Journal Name

2022 International Conference On Computer And Applications (icca)

Improve Data Mining Techniques with a High-Performance Cluster

Fadhil H.M.

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Publication Date

Sun May 24 2026

Journal Name

Journal Of Baghdad College Of Dentistry

Enamel defect of primary and permanent teeth in relation to nutrients daily intake among Down's syndrome children in comparison to normal children

Nada J

Sulafa K

Jassem T

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Background: Any child with Down's syndrome does not develop in the same manner as normal child. Therefore, the child should not be viewed as being like everyone else. Developmental enamel defects in primary teeth have been found at least twice as frequently in disabled children as in control children. Down's syndrome consumed protein more than the recommended daily allowance compared to other disabled groups. Therefore, the aim of this study was to investigate developmental defects of enamel and their relations to nutrient intake among Down's syndrome children in comparison to normal children. Materials and Methods: A sample consisted of fifty institutionalized Down's syndrome children (study group) and 50 normal children (control group)

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Publication Date

Sun May 24 2026

Journal Name

Journal Of Baghdad College Of Dentistry

Oral health status, salivary physical properties and salivary Mutans Streptococci among a group of mouth breathing patients in comparison to nose breathing

Rasha N

Mohammed

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Background: Mouth breathing can lead to introduce cold, dry unprepared air that insults the tissue of oral cavity, nasopharynx and lung, leading in turn to pathological changes in oronasal cavity, nasopharyngeal and other respiratory tissue, mouth breathing associated with nasal obstruction may lead to many health problems, in particular oral health problems such as inflammation of gingiva, oral dryness, change in oral environment that may decrease pH, salivary flow rate and increase bacteria and dental caries.Aims of the present study were to assess the oral health condition among mouth breather associated with nasal obstruction, including dental caries, oral cleanliness and gingival health condition as well as to evaluate the changes in s

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Publication Date

Tue Dec 01 2015

Journal Name

Journal Of Economics And Administrative Sciences

A Comparison Between Some Estimator Methods of Linear Regression Model With Auto-Correlated Errors With Application Data for the Wheat in Iraq

الانحدار الخطي- الارتباط الذاتي- طريقة ثايل- طريقة المعدل غير الموزون- طريقة لابلاس.

Linear Regression – Autocorrelation - Un Weighted Average Method - Theil Method - Laplace Method.

احمد ذياب

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This research a study model of linear regression problem of autocorrelation of random error is spread when a normal distribution as used in linear regression analysis for relationship between variables and through this relationship can predict the value of a variable with the values of other variables, and was comparing methods (method of least squares, method of the average un-weighted, Thiel method and Laplace method) using the mean square error (MSE) boxes and simulation and the study included fore sizes of samples (15, 30, 60, 100). The results showed that the least-squares method is best, applying the fore methods of buckwheat production data and the cultivated area of the provinces of Iraq for years (2010), (2011), (2012),

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