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ORIGINAL ARTICLE
ISSN No : 2230-7850
International Multidisciplinary
Research Journal
Indian Streams
Research Journal
Executive Editor
Ashok Yakkaldevi
Editor-in-Chief
H.N.Jagtap
Vol 4 Issue 5 June 2014
Mohammad Hailat
Dept. of Mathematical Sciences,
University of South Carolina Aiken
Abdullah Sabbagh
Engineering Studies, Sydney
Catalina Neculai
University of Coventry, UK
Ecaterina Patrascu
Spiru Haret University, Bucharest
Loredana Bosca
Spiru Haret University, Romania
Fabricio Moraes de Almeida
Federal University of Rondonia, Brazil
George - Calin SERITAN
Faculty of Philosophy and Socio-Political
Sciences Al. I. Cuza University, Iasi
Hasan Baktir
English Language and Literature
Department, Kayseri
Ghayoor Abbas Chotana
Dept of Chemistry, Lahore University of
Management Sciences[PK]
Anna Maria Constantinovici
AL. I. Cuza University, Romania
Horia Patrascu
Spiru Haret University,
Bucharest,Romania
Ilie Pintea,
Spiru Haret University, Romania
Xiaohua Yang
PhD, USA
......More
Flávio de São Pedro Filho
Federal University of Rondonia, Brazil
Kamani Perera
Regional Center For Strategic Studies, Sri
Lanka
Janaki Sinnasamy
Librarian, University of Malaya
Romona Mihaila
Spiru Haret University, Romania
Delia Serbescu
Spiru Haret University, Bucharest,
Romania
Anurag Misra
DBS College, Kanpur
Titus PopPhD, Partium Christian
University, Oradea,Romania
Pratap Vyamktrao Naikwade
ASP College Devrukh,Ratnagiri,MS India
R. R. Patil
Head Geology Department Solapur
University,Solapur
Rama Bhosale
Prin. and Jt. Director Higher Education,
Panvel
Salve R. N.
Department of Sociology, Shivaji
University,Kolhapur
Govind P. Shinde
Bharati Vidyapeeth School of Distance
Education Center, Navi Mumbai
Chakane Sanjay Dnyaneshwar
Arts, Science & Commerce College,
Indapur, Pune
Awadhesh Kumar Shirotriya
Secretary,Play India Play,Meerut(U.P.)
Iresh Swami
Ex - VC. Solapur University, Solapur
N.S. Dhaygude
Ex. Prin. Dayanand College, Solapur
Narendra Kadu
Jt. Director Higher Education, Pune
K. M. Bhandarkar
Praful Patel College of Education, Gondia
Sonal Singh
Vikram University, Ujjain
G. P. Patankar
S. D. M. Degree College, Honavar, Karnataka
Maj. S. Bakhtiar Choudhary
Director,Hyderabad AP India.
S.Parvathi Devi
Ph.D.-University of Allahabad
Sonal Singh,
Vikram University, Ujjain
Rajendra Shendge
Director, B.C.U.D. Solapur University,
Solapur
R. R. Yalikar
Director Managment Institute, Solapur
Umesh Rajderkar
Head Humanities & Social Science
YCMOU,Nashik
S. R. Pandya
Head Education Dept. Mumbai University,
Mumbai
Alka Darshan Shrivastava
Shaskiya Snatkottar Mahavidyalaya, Dhar
Rahul Shriram Sudke
Devi Ahilya Vishwavidyalaya, Indore
S.KANNAN
Annamalai University,TN
Satish Kumar Kalhotra
Maulana Azad National Urdu University
Editorial Board
International Advisory Board
Welcome to ISRJ
ISSN No.2230-7850
Indian Streams Research Journal is a multidisciplinary research journal, published monthly in English,
Hindi & Marathi Language. All research papers submitted to the journal will be double - blind peer reviewed
referred by members of the editorial board.Readers will include investigator in universities, research institutes
governmentandindustrywithresearchinterestinthegeneralsubjects.
RNI MAHMUL/2011/38595
Address:-Ashok Yakkaldevi 258/34, Raviwar Peth, Solapur - 413 005 Maharashtra, India
Cell : 9595 359 435, Ph No: 02172372010 Email: ayisrj@yahoo.in Website: www.isrj.net
Indian Streams Research Journal
ISSN 2230-7850
Volume-4 | Issue-5 | June-2014
Available online at www.isrj.net
WIRELESS - HOST TO HOST NETWORK PERFORMANCE
EVALUATION BASED ON BITRATE AND NUMBER
OF HOST WITH SERVER USING OMNET++
SIMULATION ENVIRONMENT
Abstract:-Present research paper is the investigation of effects of changes in the bitrate during data
communication and number of host with a server host through an access point on wireless network
throughput. Performance evaluation of wireless network is carried out using OMNeT++ Simulation
environment. To investigate the problem we used OMNeT++ network simulation framework and
Wireless- Host to Host application module from INET framework. Performance of the Wireless network
isevaluatedthroughserverhostthroughput.
Keywords:Bitrate,ClientHost, INET,OMNeT++, ServerHost, Simulation,Throughput,Wireless.
INTRODUCTION:
The performance of the wireless Host to Host Network configurations is measured using simulation environment.We
preferred OMNeT++ Version 4.2 (Objective Modular Network Testbed ) object oriented modular discrete event network
simulation framework with INET framework for OMNeT++ with 2.2.0-ae90ecd release. It is primarily used to simulate the
communication networks and other distributed systems. It is used for academic as well as Industrial research purposes.
OMNeT++ runs on Windows, Mac & Linux Operating Systems. Here are the various reasons why we proceeds with
OMNeT++ simulationenvironment,whichmakesitdifferentfromothersimulationenvironmentthoseare:
1.OMNeT++ isdesignedtosupport networksimulationonalargescale.
2.Modularstructure.
3.Thedesignof NED (Network Description).
4.GUI InterfacewithGraphicalEditor.
5.SeparationofModelandExperiments.
6.SimpleModuleProgrammingModel.
7.Design of theSimulationLibrary.
8.ParallelSimulationSupport.
9.Real-TimeSimulation,Network Emulation.
10.AnimationandTracingFacility.
11.VisualizationofDynamicBehavior.
12.EnrichedResultAnalysis Mechanism
INET consists of several simulation application models. We use Wireless Host to Host network application with
802.11b Mac protocol in combination with Ieee80211Radio module. It consists of variable number of client Hosts, server
Host alongwithanAssess Point.
Performance evaluation parameters are set through initialization (INI) and Network Description (NED) files and in
our experiments those files are omnetpp.ini and Throuhput.ned. Simulation results are collected in Ms excel file from default
Dhobale J V , Kalyankar N V and Khamitkar S D ,“WIRELESS - HOST TO HOST NETWORK PERFORMANCE EVALUATION BASED ON BITRATE AND
NUMBER OF HOST WITH SERVER USING OMNET++ SIMULATION ENVIRONMENT” Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 |
Online & Print
Dhobale J V , Kalyankar N V and Khamitkar S D
Assist. Professor, Shri. D B P C O M, Manur, Nashik (MH) .
Principal, Yeshwant College Nanded (MH) .
Reader & Director, School of computational sciences, SRTMU, Nanded (MH) .
1
.
answer (ANF) files. We evaluated Network performance in terms of Server Throughput. Throughput from the server host is
measured through ThruputFrom module while throughput to the server host is measured through ThruputTo module.
Throughputisnumberof bitstransferredpersecondfromserverhostortotheserverhost.
RELATEDWORK
In this paper, researchers investigated the maximum end-to-end throughput of a wireless multi-hop path analytically.
Research shows that in an ideal error free radio environment, a wireless multi-hop path, in which all nodes are optimally placed
and all links has an identical normalized capacity of 1, has a maximum throughput of 1/3. This maximum throughput can only
be achieved when all links of the path are separated into three maximal independent sets and each set of links become active
alternatively for the same proportion of time. In an erroneous radio environment, Research showed that the maximum
throughput of the k-hop path is determined by its bottleneck consecutive three-hop segment.Ascheduling algorithm achieving
thismaximumthroughputwas alsopresented.
For a wireless multi-hop path where nodes are randomly placed and all links have a normalized capacity of 1, it shows
thatin an error free environmentthemaximumthroughput is equalto thereciprocalof thecliquenumber of its conflictgraph;in
an erroneous environment the maximum throughput is determined by the bottleneck clique. The results suggest that when
analyzingthemaximumthroughput,cliquesshouldbeused asbasicunitsfor determiningthethroughput.
This paper suggests that in order to achieve the maximum throughput, it is necessary to use independence sets as the
basic units in the design of scheduling algorithms and synchronize the transmission of links in the same independent set. As
theselinksinthesameindependencesetmaybelongtodifferentcliquesandarelocatedfaraway.
Another research paper Throughput analysis of two-Hop wireless networks with network coding shows that Making
advantage of the embedded Markov chain, researcher succeed in deriving the analysis models for the throughput of the two
schemes so that the throughput gain is defined. The numeric analyses over the derived models indicate that, encoding the
packets with close size and close transmission rate improve throughput gain. This inspires us to group the packets with
matchingsizesanddatarateswhen performingnetworkcodingsuch thatthethroughputisenhanced.
Research paper TCP with header checksum option for wireless links: An analytical approach towards performance
evaluation suggested a new protocol called NewRenoEln to handle corruption losses in wireless networks. Considering a
generic link layer protocol, we have shown that the probability of successful detection of corruption losses can be very high in
NewRenoEln, when channel conditions are appropriate. It shows that the results obtained by simulation match and the results
obtained by simulation match and the results obtained by the analytical model, thus showing the accuracy of the analytical
approach.Italsoshows thattheNEWRenoElnprotocol,performancebetterthanNewReno undervariousconditions.
RESEARCH METHODOLOGY
To investigate Performance evaluation of wireless Host to Host Networks we consider two parameters 1. Bitrate and
2. Number of Host with Server host. Bitrate is the data carrying capacity of wireless channel. The effects of bitrate variation on
wireless networks are studied using server throughput. Same way the effects of number of client hosts per server host are
studied using server throughput. We use Simulation environment with OMNeT++ framework along with Wireless – Host to
Host application form INET to simulate our research. It consists of 802.11b MAC protocol in combination with the
Ieee80211Radio module as the physical layer. It clubbed to form Ieee80211NicSTASimplified module in INET. We modified
this module by adding two throughput meters to measure in and out throughput value between mac and radio modules.
Throughput from Server host is measured using throughputFrom and throughput to the server host is measured using
throughputTomodule.Themodifiedstructureis shown below:
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
2Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
.
Fig1: Ieee80211NicSTASimplified with two throughput meter
We setup up our wireless Host to Host network configuration in circular mobility configuration with 1mps mobility
speed.Thehostandtheaccesspointtransmitterpowers areconfiguredso thateveryhost hearsalltheothers.
Fig2: Wireless - Host to Host Network configuration with 11-clients Host, 1-Access point & a server Host
Unless and until specified all the parameters of INI and NED files are kept at defaults. Radio.bitrate variable from
omnetpp.ini file is used to test bitrate parameter. Throughput values of the server host is collected by changing bitrate value
from 10Mbps to 100Mbps with the interval of 10Mbps. Same way throughput of the server host is also collected by changing
the number of clients host from 1 number to 15 number with a access point and server host. Here server throughput means
throughput from the server host and throughput to to the server host. We have kept data packet size constant i.e. 1000bytes for
ourexperiment.Wecollectthereadingof thesimulationexperimentbytwo ways:
1.We Kept bitrate constant and changed the number of client hosts with server host and avg throughput scalar values are
collectedfor respectiveexperiments.
3Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
2.For specificclienthosts withaserverhostsetupwe changethebitrateandcollectthescalaravgthroughputinexcelfiles.
The results of the experiments are collected in excel file from the default .ans file. .ans file in OMNeT++ gives two types of
results vector and scalar. Vector results are recording of time series data and scalar results are supposed to record a single value
per simulation run. We have considered scalar result as avg. throughput for our analysis purpose, Throughput of both
thruputMeteri.e. thruputFrom&thruputTorelatedtotheserverhost.
We collected the reading of the simulation experiment by changing bitrate from 10Mbps to 100Mbps with the interval
of10Mbps andincreasingthenumberof clienthosts from1 clientto15 clients.Totalreadingscollectedare10*15=150 times.
RESULTANALYSIS:
The result of the experiment is collected in excel file. We have collected Throughput results of server host at 10, 20,
30, 40, 50, 60, 70, 80, 90 & 100Mbps bitrate. With 1, 2, 3, ....,13,14,15 clients host.Average throughput values from the serve
host and to the server host given by two throughput meters for the set network configurations are considered to measure the
performanceof wirelessnetwork.
Throughput is the average number of bits transferred per second. Packet size for all the experimental set is kept
constanti.e.1000bytes.
At specific bitrate by changing number of clients hosts from 1 to 15 numbers we took readings of server host
throughput i.e. throughputfrom – outgoing throughput values from the server host and throughputto- incoming throughput
valuestotheserverhost.Thesereadingarecollectedat10Mbps to100Mbps withtheintervalof 10Mbps.
The results of the experiments are analysed with respect to bitrate and number of client host to the server host along
withaccesspoint.
We received maximum throughput from server host value at 30MBPS with 8 number of clients hosts with a server
host and minimum throughput from value is at 50MBPS with 4 number of clients hosts with a server host; similarly we have
received maximum throughput to server host value is at 100MBPS with 1 number of client host with a server host and
minimumat10MBPS with12 numberofclientshosts withaserverhostamongstallsetsofexperiments.
a.At constant Bitrate
After analysis of the wireless experiment setup at constant bitrate for variable number of client hosts from 1 client host
to 15 number of client hosts experiment gives overall maximum throughput from the server host i.e. average of all the client
hosts isat20MBPS whileminimumthroughputwe receivedat70MBPS bitrate.
Graph1: Avg. Throughput Form server host at 10MBPS bitrate.
Throughput from the server host at 10MBPS & 20MBPS shows increasing trend with increase in the number of client
hosts withaserverhost.
At 30MBPS bitrate experiment gives increasing throughput from server host trend till 8 number of client hosts with a
server host for other remaining number of client hosts i.e. 9 to 15 clients host per server host it gives very less throughput from
server host. Throughput from server host at 40MBPS bitrate shows increasing trend from 1 client host to 5 client hosts with a
server and gives increasing trend from 6 client hosts to 15 client hosts with a server host but this trend is very low in compare to
trendof 1clienthost to5clienthosts.
4Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
Experimental analysis shows that throughput from server host at 50MBPS and 60MBPS gives similar type of throughput
pattern; it shows that throughput from server host is increasing form 1 client host to 3 client hosts and it drops down with 4 client
hosts and gives increasing trends from 4 client hosts to 15 clients hosts with a server hosts which is very less in compare to the
trendshown by clienthost1to3.
Throughput from server host at 70MBPS, 80MBPS, 90MBPS and 100MBPS shows similar type of throughput from
server host trend, which shows increasing trend from 1 client host to 2 client hosts and drops down at 3 client hosts; shows
increasing trends in throughput from server host from 3 client hosts to 15 clients hosts but which is very less in compare to the
increasetrendinthroughputfrom1 clienthostto2 clienthosts.
Graph2: Avg. Throughput Form server host at 100MBPS bitrate.
One interesting thing we observe that after fallowing down the throughput from at 4 client hosts it shows increasing
trend in the throughput with increase in the number of succeeding client hosts but this increasing trend gives higher level of
throughputfromserverhostincomparetoitssucceedingbitratetrendvalues.
Throughput to the server host show decreasing trend in the throughput to the server host with increase in the number
of client hosts with the server host giving maximum throughput to server host value with 1 client host and minimum throughput
toservervaluewith15 clienthosts.
Graph3: Avg. Throughput To server host at 10MBPS bitrate.
Analysis shows that overall maximum throughput to server host is at 100MBPS bitrate while overall minimum
5Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
throughputtoserverisat10MBPS bitrate.
Graph4: Avg. Throughput To server host at 100MBPS bitrate.
b.Withconstant numberofclientHosts
Now we analyse the trend of throughput from and throughput to the server host by keeping number of client host
constant.
Result shows that throughput from server host in increasing with increase in the bitrate from 10MBPS to 100MBPS
for 1 clienthost &2clienthosts withserverhost.
With 3 client hosts to server host throughput from server host is increasing with increase in the bitrate till 60MBPS, it
fallsdown at70MBPS andremainsatlowlevelfor successivebitrateintervals.
Graph5: Avg. Throughput from server host with 1 client host.
Throughput from server with number of client hosts 4 & 5 shows similar type of throughput from server host trend;
which increases with increase in the bitrate from 10MBPS to 40MBPS falls down at 50MBPS and again shows increasing trend
in the throughput from till 100MBPS but this rise in the throughput from server host is very low in compare to the initial bitrate
throughputtrend.
Client hosts with numbers 6, 7 & 8 with server hosts gives similar type of throughput from server pattern; which
6Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
shows increasing trend from 10MBPS to 30MBPS bitrate and falls down at 40MBPS and again shows increasing trend in the
throughput from till the 100MBPS but this increase in the throughput trend is very low in compare to the initial throughput
trend.
Graph6: Avg. Throughput from server host with 15 client hosts
Graph7: Avg. Throughput To server host with 1 client hosts.
Throughput from server host with 9, 10, 11, 12, 13, 14 & 15 shows increasing in the throughput from server from
10MBPS to 20MBPS it falls down at 30MBPS and shows increasing trend from 30MBPS to 100MPS but this trend is again
very less in compare to throughput trend at 10MBPS to 20MBPS. Increase in the throughput from the server from 30MBPS to
100MBPS bitratewithincreaseinthenumberofclientsshows increasingtrends.
7Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
Graph8:Avg.ThroughputTo serverhost with15clienthosts
Throughput to the server host shows increasing trend from 10MBPS to 100MBPS for all client hosts setups from 1
clienthost to15clienthosts withaserverhostsetup.
CONCLUSION
Result analysis shows that overall maximum throughput from the server host with bitarate variance for our
experimental results is recorded at 20MBPS and overall minimum throughput from the server host is recorded at 70MBPS,
while overall maximum throughput to the server host is recorded at 100MBPS and overall minimum throughput to the server
hostisrecordedat10MBPS.
Overall Maximum throughput from the server host with client variance is recorded with 2 client hosts with server host
and overall minimum throughput from the server host is recorded with 9 client hosts with server host. Overall maximum
throughput to the server host is recorded with 1 client host with server host and minimum throughput to the server is recorded
with13 clienthosts withserver
ACKNOWLEDGEMENT
We are thankful to all the staff of School of Computational Sciences, SRTMU, Nanded for providing us the necessary
guidanceandfacilitytocarryoutpresentresearch.
REFERENCES :
1.Plamenka Borovska, Ognian Nakov, Desislava Ivanova, Kamen Ivanov, Georgi Georgiev. Communication Performance
Evaluation and Analysis of a Mesh System Area Network for High Performance Computers. ISSN: 1790-2769 & ISBN:978-
960-474-188-5.
2.Andras Varga, Rudolf Hornig. An Overview of the OMNeT++ Simulation Environment. SIMUTools, March 03-07, 2008,
Marseille,France.ISBN:978-963-9799-20-2.
3.Fan Cen, Tao Xing, Ke-Tong Wu. Real-time Performance Evaluation of Line Topology Switched Ethernet. International
JournalofAutomationandcomputing,05(4), October2008, 376-380
4.Dhobale J V, Dr. Kalyankar N V, Dr. Khamitkar S D Computer Network Performance Evaluation based on Datarate and
Number of Clients Per Server Using OMNeT++ Environment, submitted to Global Journal of Computer Science and
Technology, GJCSTVolume14 Issue 3Version1.0, May-2014.
5.Dhobale J V, Dr. Kalyankar N V, Dr. Khamitkar S D Computer Network Performance Evaluation based on different Data
Packet Size Using OMNeT++ Simulation Environment. International Journal of Advanced Research in Computer Science &
Technology, IJARCSTVolume2,Issue 2,Volume1,April-June2014.
6.AndrásVargaandOpenSimLtd.OMNeT++ User ManualVersion4.2.
7.INETFrameworkfor OMNeT++ Manual.
8Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
.
9Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
.Khamitkar S D
Reader & Director, School of computational sciences, SRTMU, Nanded (MH) .
Dhobale J V
Assist. Professor, Shri. D B P C O M, Manur, Nashik (MH) .
Kalyankar N V
Principal, Yeshwant College Nanded (MH)
Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
Publish Research Article
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WIRELESS - HOST TO HOST NETWORK PERFORMANCE EVALUATION BASED ON BITRATE AND NUMBER OF HOST WITH SERVER USING OMNET++ SIMULATION ENVIRONMENT

  • 1. ORIGINAL ARTICLE ISSN No : 2230-7850 International Multidisciplinary Research Journal Indian Streams Research Journal Executive Editor Ashok Yakkaldevi Editor-in-Chief H.N.Jagtap Vol 4 Issue 5 June 2014
  • 2. Mohammad Hailat Dept. of Mathematical Sciences, University of South Carolina Aiken Abdullah Sabbagh Engineering Studies, Sydney Catalina Neculai University of Coventry, UK Ecaterina Patrascu Spiru Haret University, Bucharest Loredana Bosca Spiru Haret University, Romania Fabricio Moraes de Almeida Federal University of Rondonia, Brazil George - Calin SERITAN Faculty of Philosophy and Socio-Political Sciences Al. I. Cuza University, Iasi Hasan Baktir English Language and Literature Department, Kayseri Ghayoor Abbas Chotana Dept of Chemistry, Lahore University of Management Sciences[PK] Anna Maria Constantinovici AL. I. Cuza University, Romania Horia Patrascu Spiru Haret University, Bucharest,Romania Ilie Pintea, Spiru Haret University, Romania Xiaohua Yang PhD, USA ......More Flávio de São Pedro Filho Federal University of Rondonia, Brazil Kamani Perera Regional Center For Strategic Studies, Sri Lanka Janaki Sinnasamy Librarian, University of Malaya Romona Mihaila Spiru Haret University, Romania Delia Serbescu Spiru Haret University, Bucharest, Romania Anurag Misra DBS College, Kanpur Titus PopPhD, Partium Christian University, Oradea,Romania Pratap Vyamktrao Naikwade ASP College Devrukh,Ratnagiri,MS India R. R. Patil Head Geology Department Solapur University,Solapur Rama Bhosale Prin. and Jt. Director Higher Education, Panvel Salve R. N. Department of Sociology, Shivaji University,Kolhapur Govind P. Shinde Bharati Vidyapeeth School of Distance Education Center, Navi Mumbai Chakane Sanjay Dnyaneshwar Arts, Science & Commerce College, Indapur, Pune Awadhesh Kumar Shirotriya Secretary,Play India Play,Meerut(U.P.) Iresh Swami Ex - VC. Solapur University, Solapur N.S. Dhaygude Ex. Prin. Dayanand College, Solapur Narendra Kadu Jt. Director Higher Education, Pune K. M. Bhandarkar Praful Patel College of Education, Gondia Sonal Singh Vikram University, Ujjain G. P. Patankar S. D. M. Degree College, Honavar, Karnataka Maj. S. Bakhtiar Choudhary Director,Hyderabad AP India. S.Parvathi Devi Ph.D.-University of Allahabad Sonal Singh, Vikram University, Ujjain Rajendra Shendge Director, B.C.U.D. Solapur University, Solapur R. R. Yalikar Director Managment Institute, Solapur Umesh Rajderkar Head Humanities & Social Science YCMOU,Nashik S. R. Pandya Head Education Dept. Mumbai University, Mumbai Alka Darshan Shrivastava Shaskiya Snatkottar Mahavidyalaya, Dhar Rahul Shriram Sudke Devi Ahilya Vishwavidyalaya, Indore S.KANNAN Annamalai University,TN Satish Kumar Kalhotra Maulana Azad National Urdu University Editorial Board International Advisory Board Welcome to ISRJ ISSN No.2230-7850 Indian Streams Research Journal is a multidisciplinary research journal, published monthly in English, Hindi & Marathi Language. All research papers submitted to the journal will be double - blind peer reviewed referred by members of the editorial board.Readers will include investigator in universities, research institutes governmentandindustrywithresearchinterestinthegeneralsubjects. RNI MAHMUL/2011/38595 Address:-Ashok Yakkaldevi 258/34, Raviwar Peth, Solapur - 413 005 Maharashtra, India Cell : 9595 359 435, Ph No: 02172372010 Email: [email protected] Website: www.isrj.net
  • 3. Indian Streams Research Journal ISSN 2230-7850 Volume-4 | Issue-5 | June-2014 Available online at www.isrj.net WIRELESS - HOST TO HOST NETWORK PERFORMANCE EVALUATION BASED ON BITRATE AND NUMBER OF HOST WITH SERVER USING OMNET++ SIMULATION ENVIRONMENT Abstract:-Present research paper is the investigation of effects of changes in the bitrate during data communication and number of host with a server host through an access point on wireless network throughput. Performance evaluation of wireless network is carried out using OMNeT++ Simulation environment. To investigate the problem we used OMNeT++ network simulation framework and Wireless- Host to Host application module from INET framework. Performance of the Wireless network isevaluatedthroughserverhostthroughput. Keywords:Bitrate,ClientHost, INET,OMNeT++, ServerHost, Simulation,Throughput,Wireless. INTRODUCTION: The performance of the wireless Host to Host Network configurations is measured using simulation environment.We preferred OMNeT++ Version 4.2 (Objective Modular Network Testbed ) object oriented modular discrete event network simulation framework with INET framework for OMNeT++ with 2.2.0-ae90ecd release. It is primarily used to simulate the communication networks and other distributed systems. It is used for academic as well as Industrial research purposes. OMNeT++ runs on Windows, Mac & Linux Operating Systems. Here are the various reasons why we proceeds with OMNeT++ simulationenvironment,whichmakesitdifferentfromothersimulationenvironmentthoseare: 1.OMNeT++ isdesignedtosupport networksimulationonalargescale. 2.Modularstructure. 3.Thedesignof NED (Network Description). 4.GUI InterfacewithGraphicalEditor. 5.SeparationofModelandExperiments. 6.SimpleModuleProgrammingModel. 7.Design of theSimulationLibrary. 8.ParallelSimulationSupport. 9.Real-TimeSimulation,Network Emulation. 10.AnimationandTracingFacility. 11.VisualizationofDynamicBehavior. 12.EnrichedResultAnalysis Mechanism INET consists of several simulation application models. We use Wireless Host to Host network application with 802.11b Mac protocol in combination with Ieee80211Radio module. It consists of variable number of client Hosts, server Host alongwithanAssess Point. Performance evaluation parameters are set through initialization (INI) and Network Description (NED) files and in our experiments those files are omnetpp.ini and Throuhput.ned. Simulation results are collected in Ms excel file from default Dhobale J V , Kalyankar N V and Khamitkar S D ,“WIRELESS - HOST TO HOST NETWORK PERFORMANCE EVALUATION BASED ON BITRATE AND NUMBER OF HOST WITH SERVER USING OMNET++ SIMULATION ENVIRONMENT” Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 | Online & Print Dhobale J V , Kalyankar N V and Khamitkar S D Assist. Professor, Shri. D B P C O M, Manur, Nashik (MH) . Principal, Yeshwant College Nanded (MH) . Reader & Director, School of computational sciences, SRTMU, Nanded (MH) . 1
  • 4. . answer (ANF) files. We evaluated Network performance in terms of Server Throughput. Throughput from the server host is measured through ThruputFrom module while throughput to the server host is measured through ThruputTo module. Throughputisnumberof bitstransferredpersecondfromserverhostortotheserverhost. RELATEDWORK In this paper, researchers investigated the maximum end-to-end throughput of a wireless multi-hop path analytically. Research shows that in an ideal error free radio environment, a wireless multi-hop path, in which all nodes are optimally placed and all links has an identical normalized capacity of 1, has a maximum throughput of 1/3. This maximum throughput can only be achieved when all links of the path are separated into three maximal independent sets and each set of links become active alternatively for the same proportion of time. In an erroneous radio environment, Research showed that the maximum throughput of the k-hop path is determined by its bottleneck consecutive three-hop segment.Ascheduling algorithm achieving thismaximumthroughputwas alsopresented. For a wireless multi-hop path where nodes are randomly placed and all links have a normalized capacity of 1, it shows thatin an error free environmentthemaximumthroughput is equalto thereciprocalof thecliquenumber of its conflictgraph;in an erroneous environment the maximum throughput is determined by the bottleneck clique. The results suggest that when analyzingthemaximumthroughput,cliquesshouldbeused asbasicunitsfor determiningthethroughput. This paper suggests that in order to achieve the maximum throughput, it is necessary to use independence sets as the basic units in the design of scheduling algorithms and synchronize the transmission of links in the same independent set. As theselinksinthesameindependencesetmaybelongtodifferentcliquesandarelocatedfaraway. Another research paper Throughput analysis of two-Hop wireless networks with network coding shows that Making advantage of the embedded Markov chain, researcher succeed in deriving the analysis models for the throughput of the two schemes so that the throughput gain is defined. The numeric analyses over the derived models indicate that, encoding the packets with close size and close transmission rate improve throughput gain. This inspires us to group the packets with matchingsizesanddatarateswhen performingnetworkcodingsuch thatthethroughputisenhanced. Research paper TCP with header checksum option for wireless links: An analytical approach towards performance evaluation suggested a new protocol called NewRenoEln to handle corruption losses in wireless networks. Considering a generic link layer protocol, we have shown that the probability of successful detection of corruption losses can be very high in NewRenoEln, when channel conditions are appropriate. It shows that the results obtained by simulation match and the results obtained by simulation match and the results obtained by the analytical model, thus showing the accuracy of the analytical approach.Italsoshows thattheNEWRenoElnprotocol,performancebetterthanNewReno undervariousconditions. RESEARCH METHODOLOGY To investigate Performance evaluation of wireless Host to Host Networks we consider two parameters 1. Bitrate and 2. Number of Host with Server host. Bitrate is the data carrying capacity of wireless channel. The effects of bitrate variation on wireless networks are studied using server throughput. Same way the effects of number of client hosts per server host are studied using server throughput. We use Simulation environment with OMNeT++ framework along with Wireless – Host to Host application form INET to simulate our research. It consists of 802.11b MAC protocol in combination with the Ieee80211Radio module as the physical layer. It clubbed to form Ieee80211NicSTASimplified module in INET. We modified this module by adding two throughput meters to measure in and out throughput value between mac and radio modules. Throughput from Server host is measured using throughputFrom and throughput to the server host is measured using throughputTomodule.Themodifiedstructureis shown below: Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............ 2Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014
  • 5. . Fig1: Ieee80211NicSTASimplified with two throughput meter We setup up our wireless Host to Host network configuration in circular mobility configuration with 1mps mobility speed.Thehostandtheaccesspointtransmitterpowers areconfiguredso thateveryhost hearsalltheothers. Fig2: Wireless - Host to Host Network configuration with 11-clients Host, 1-Access point & a server Host Unless and until specified all the parameters of INI and NED files are kept at defaults. Radio.bitrate variable from omnetpp.ini file is used to test bitrate parameter. Throughput values of the server host is collected by changing bitrate value from 10Mbps to 100Mbps with the interval of 10Mbps. Same way throughput of the server host is also collected by changing the number of clients host from 1 number to 15 number with a access point and server host. Here server throughput means throughput from the server host and throughput to to the server host. We have kept data packet size constant i.e. 1000bytes for ourexperiment.Wecollectthereadingof thesimulationexperimentbytwo ways: 1.We Kept bitrate constant and changed the number of client hosts with server host and avg throughput scalar values are collectedfor respectiveexperiments. 3Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 6. . 2.For specificclienthosts withaserverhostsetupwe changethebitrateandcollectthescalaravgthroughputinexcelfiles. The results of the experiments are collected in excel file from the default .ans file. .ans file in OMNeT++ gives two types of results vector and scalar. Vector results are recording of time series data and scalar results are supposed to record a single value per simulation run. We have considered scalar result as avg. throughput for our analysis purpose, Throughput of both thruputMeteri.e. thruputFrom&thruputTorelatedtotheserverhost. We collected the reading of the simulation experiment by changing bitrate from 10Mbps to 100Mbps with the interval of10Mbps andincreasingthenumberof clienthosts from1 clientto15 clients.Totalreadingscollectedare10*15=150 times. RESULTANALYSIS: The result of the experiment is collected in excel file. We have collected Throughput results of server host at 10, 20, 30, 40, 50, 60, 70, 80, 90 & 100Mbps bitrate. With 1, 2, 3, ....,13,14,15 clients host.Average throughput values from the serve host and to the server host given by two throughput meters for the set network configurations are considered to measure the performanceof wirelessnetwork. Throughput is the average number of bits transferred per second. Packet size for all the experimental set is kept constanti.e.1000bytes. At specific bitrate by changing number of clients hosts from 1 to 15 numbers we took readings of server host throughput i.e. throughputfrom – outgoing throughput values from the server host and throughputto- incoming throughput valuestotheserverhost.Thesereadingarecollectedat10Mbps to100Mbps withtheintervalof 10Mbps. The results of the experiments are analysed with respect to bitrate and number of client host to the server host along withaccesspoint. We received maximum throughput from server host value at 30MBPS with 8 number of clients hosts with a server host and minimum throughput from value is at 50MBPS with 4 number of clients hosts with a server host; similarly we have received maximum throughput to server host value is at 100MBPS with 1 number of client host with a server host and minimumat10MBPS with12 numberofclientshosts withaserverhostamongstallsetsofexperiments. a.At constant Bitrate After analysis of the wireless experiment setup at constant bitrate for variable number of client hosts from 1 client host to 15 number of client hosts experiment gives overall maximum throughput from the server host i.e. average of all the client hosts isat20MBPS whileminimumthroughputwe receivedat70MBPS bitrate. Graph1: Avg. Throughput Form server host at 10MBPS bitrate. Throughput from the server host at 10MBPS & 20MBPS shows increasing trend with increase in the number of client hosts withaserverhost. At 30MBPS bitrate experiment gives increasing throughput from server host trend till 8 number of client hosts with a server host for other remaining number of client hosts i.e. 9 to 15 clients host per server host it gives very less throughput from server host. Throughput from server host at 40MBPS bitrate shows increasing trend from 1 client host to 5 client hosts with a server and gives increasing trend from 6 client hosts to 15 client hosts with a server host but this trend is very low in compare to trendof 1clienthost to5clienthosts. 4Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 7. . Experimental analysis shows that throughput from server host at 50MBPS and 60MBPS gives similar type of throughput pattern; it shows that throughput from server host is increasing form 1 client host to 3 client hosts and it drops down with 4 client hosts and gives increasing trends from 4 client hosts to 15 clients hosts with a server hosts which is very less in compare to the trendshown by clienthost1to3. Throughput from server host at 70MBPS, 80MBPS, 90MBPS and 100MBPS shows similar type of throughput from server host trend, which shows increasing trend from 1 client host to 2 client hosts and drops down at 3 client hosts; shows increasing trends in throughput from server host from 3 client hosts to 15 clients hosts but which is very less in compare to the increasetrendinthroughputfrom1 clienthostto2 clienthosts. Graph2: Avg. Throughput Form server host at 100MBPS bitrate. One interesting thing we observe that after fallowing down the throughput from at 4 client hosts it shows increasing trend in the throughput with increase in the number of succeeding client hosts but this increasing trend gives higher level of throughputfromserverhostincomparetoitssucceedingbitratetrendvalues. Throughput to the server host show decreasing trend in the throughput to the server host with increase in the number of client hosts with the server host giving maximum throughput to server host value with 1 client host and minimum throughput toservervaluewith15 clienthosts. Graph3: Avg. Throughput To server host at 10MBPS bitrate. Analysis shows that overall maximum throughput to server host is at 100MBPS bitrate while overall minimum 5Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 8. . throughputtoserverisat10MBPS bitrate. Graph4: Avg. Throughput To server host at 100MBPS bitrate. b.Withconstant numberofclientHosts Now we analyse the trend of throughput from and throughput to the server host by keeping number of client host constant. Result shows that throughput from server host in increasing with increase in the bitrate from 10MBPS to 100MBPS for 1 clienthost &2clienthosts withserverhost. With 3 client hosts to server host throughput from server host is increasing with increase in the bitrate till 60MBPS, it fallsdown at70MBPS andremainsatlowlevelfor successivebitrateintervals. Graph5: Avg. Throughput from server host with 1 client host. Throughput from server with number of client hosts 4 & 5 shows similar type of throughput from server host trend; which increases with increase in the bitrate from 10MBPS to 40MBPS falls down at 50MBPS and again shows increasing trend in the throughput from till 100MBPS but this rise in the throughput from server host is very low in compare to the initial bitrate throughputtrend. Client hosts with numbers 6, 7 & 8 with server hosts gives similar type of throughput from server pattern; which 6Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 9. . shows increasing trend from 10MBPS to 30MBPS bitrate and falls down at 40MBPS and again shows increasing trend in the throughput from till the 100MBPS but this increase in the throughput trend is very low in compare to the initial throughput trend. Graph6: Avg. Throughput from server host with 15 client hosts Graph7: Avg. Throughput To server host with 1 client hosts. Throughput from server host with 9, 10, 11, 12, 13, 14 & 15 shows increasing in the throughput from server from 10MBPS to 20MBPS it falls down at 30MBPS and shows increasing trend from 30MBPS to 100MPS but this trend is again very less in compare to throughput trend at 10MBPS to 20MBPS. Increase in the throughput from the server from 30MBPS to 100MBPS bitratewithincreaseinthenumberofclientsshows increasingtrends. 7Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 10. . Graph8:Avg.ThroughputTo serverhost with15clienthosts Throughput to the server host shows increasing trend from 10MBPS to 100MBPS for all client hosts setups from 1 clienthost to15clienthosts withaserverhostsetup. CONCLUSION Result analysis shows that overall maximum throughput from the server host with bitarate variance for our experimental results is recorded at 20MBPS and overall minimum throughput from the server host is recorded at 70MBPS, while overall maximum throughput to the server host is recorded at 100MBPS and overall minimum throughput to the server hostisrecordedat10MBPS. Overall Maximum throughput from the server host with client variance is recorded with 2 client hosts with server host and overall minimum throughput from the server host is recorded with 9 client hosts with server host. Overall maximum throughput to the server host is recorded with 1 client host with server host and minimum throughput to the server is recorded with13 clienthosts withserver ACKNOWLEDGEMENT We are thankful to all the staff of School of Computational Sciences, SRTMU, Nanded for providing us the necessary guidanceandfacilitytocarryoutpresentresearch. REFERENCES : 1.Plamenka Borovska, Ognian Nakov, Desislava Ivanova, Kamen Ivanov, Georgi Georgiev. Communication Performance Evaluation and Analysis of a Mesh System Area Network for High Performance Computers. ISSN: 1790-2769 & ISBN:978- 960-474-188-5. 2.Andras Varga, Rudolf Hornig. An Overview of the OMNeT++ Simulation Environment. SIMUTools, March 03-07, 2008, Marseille,France.ISBN:978-963-9799-20-2. 3.Fan Cen, Tao Xing, Ke-Tong Wu. Real-time Performance Evaluation of Line Topology Switched Ethernet. International JournalofAutomationandcomputing,05(4), October2008, 376-380 4.Dhobale J V, Dr. Kalyankar N V, Dr. Khamitkar S D Computer Network Performance Evaluation based on Datarate and Number of Clients Per Server Using OMNeT++ Environment, submitted to Global Journal of Computer Science and Technology, GJCSTVolume14 Issue 3Version1.0, May-2014. 5.Dhobale J V, Dr. Kalyankar N V, Dr. Khamitkar S D Computer Network Performance Evaluation based on different Data Packet Size Using OMNeT++ Simulation Environment. International Journal of Advanced Research in Computer Science & Technology, IJARCSTVolume2,Issue 2,Volume1,April-June2014. 6.AndrásVargaandOpenSimLtd.OMNeT++ User ManualVersion4.2. 7.INETFrameworkfor OMNeT++ Manual. 8Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 11. . 9Indian Streams Research Journal | Volume 4 | Issue 5 | June 2014 .Khamitkar S D Reader & Director, School of computational sciences, SRTMU, Nanded (MH) . Dhobale J V Assist. Professor, Shri. D B P C O M, Manur, Nashik (MH) . Kalyankar N V Principal, Yeshwant College Nanded (MH) Wireless - Host To Host Network Performance Evaluation Based On Bitrate And Number ............
  • 12. Publish Research Article International Level Multidisciplinary Research Journal For All Subjects Dear Sir/Mam, We invite unpublished Research Paper,Summary of Research Project,Theses,Books and Book Review for publication,you will be pleased to know that our journals are Associated and Indexed,India ¬ ¬OPEN J-GATE International Scientific Journal Consortium Associated and Indexed,USA ?Google Scholar ?EBSCO ?DOAJ ?Index Copernicus ?Publication Index ?Academic Journal Database ?Contemporary Research Index ?Academic Paper Databse ?Digital Journals Database ?Current Index to Scholarly Journals ?Elite Scientific Journal Archive ?Directory Of Academic Resources ?Scholar Journal Index ?Recent Science Index ?Scientific Resources Database ?Directory Of Research Journal Indexing Indian Streams Research Journal 258/34 Raviwar Peth Solapur-413005,Maharashtra Contact-9595359435 [email protected]/[email protected] Website : www.isrj.net