Performance Evaluation of TCP Variants under Mobility Based Anchor Point Node (APN) Hybrid Network

Razaque, Abdul; Shahzad, Khurram; Qadir, Muhammad Abdul

doi:10.1109/cnsr.2008.84

Cited by 3 publications

(6 citation statements)

References 7 publications

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“…Explicit congestion Notification (ECN) has been incorporated to improve the congestion control. If the congestion occurs in the network, then the intermediate routers will mark the congestion experience (CE) code point in the header of TCP [19]. The comparison of TCP variants is given in Table-2 that shows the strengths and weaknesses.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

“…However, the scenario was not fully explained. Our work is entirely different from their work because we use [3], the performance of TCP variants was compared deploying anchor point node (APN) heterogeneous network using dynamic source routing protocol. However, the previous work focused on the throughput, and packet delivery ratio.…”

Section: Related Workmentioning

confidence: 99%

“…The fact is that the TCP was originally designed for the wired network, and even its good performance is in the wired network [1].The researchers have put their efforts for improving the performance of TCP in wireless networks, and all this work confirmed that TCP in its present structure is not appropriate for MANET [2]. TCP has high overhead due to packet loss that may cause the buffer congestion because the MANET's losses is due to an error or the frequently of the mobility [3]. So, the TCP cannot be efficient in current form [4].…”

Section: Introductionmentioning

confidence: 99%

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Proportional Study of TCP Variants over Heterogeneous Wireless Networks

Razaque¹,

Elleithy²

2014

IJCA

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Transmission control protocol (TCP) was initially designed for static networks to provide the consistent data delivery. The enhancement of TCP performance was also achieved with different types of networks with the introduction of new TCP deviations. However, there are still many factors that affect the performance of TCP. Mobility is one of the primary performance-affecting drivers in heterogeneous network. The research of state in this paper is to determine the best TCP variant from the mobility point of view. We simulate some TCP variants such as TCP-Tahoe, TCP-Reno, TCP-New Reno, TCP-Vegas, TCP-SACK and TCP-Westwood from the mobility point of view.The scenarios presented in this paper are supported by ondemand link weight (ODLW) routing protocol that helps find the efficient route with Quality of Service (QoS) provisioning. The scenarios are designed for the walking persons to vehicles, and particularly suited for rocky and deserted areas. To demonstrate the strength of these TCP variants, the scenarios are simulated and evaluated the QoS parameters such as round trip time (RTT) fairness, end-to-end delay, and the number of broken links. Finally, based on the outcomes, we identify the best TCP variant that could be used for several applications in the future over heterogeneous wireless networks. General TermsWireless communication networks, experiments and simulation.

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Section: Discussion Of Resultsmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Proportional Study of TCP Variants over Heterogeneous Wireless Networks

Razaque¹,

Elleithy²

2014

IJCA

Self Cite

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“…[5]. SCTP has many promising features including the flexibility, robustness, and extensibility [6], [7]. Therefore, we introduce the study of SCTP congestion mechanism into data centers and the impact of some optimizations that we have studied to develop SCTP and reaching to the way that maintain the applications into data Centers.…”

Section: Introductionmentioning

confidence: 99%

“…For example, the demanding of high data rate, low latency, high robustness, high availability and so on. Since the ambiguity and the weakness of TCP protocol are well known, it is impossible to create or do considerable changes on TCP protocol [3], [4].…”

Section: Introductionmentioning

confidence: 99%

Deployment of Stream Control Transmission Protocol (SCTP) to Maintain the Applications of Data Centers

Almajadub¹,

Abdelfattah²,

Razaque³

2014

IJET

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Abstract-With developments of real-time applications into data centers, the need for alternatives of the standard TCP protocol has been prime demand in several applications of data centers. The several alternatives of TCP protocol has been proposed but SCTP has edge due to its several well-built characteristics that make it capable to work efficiently. In this paper, we examine the features of SCTP into data centers like Multi-streaming and Multi-Homing over the features of TCP protocol.In this paper, our objective is to introduce internal problems of data centers. Robust transport protocol reduces the problems with some extend. Focusing the problems of data centers, we also examine weakness of highly deployed standard TCP, and evaluate the performance of SCTP in context of faster communication for data centers. We also discover some weaknesses and shortcomings of SCTP into data centers and try to propose some ways to avoid them by maintaining SCTP native features. To validate strength and weakness of TCP and SCTP, we use ns2 for simulation in context of data center. On basis of findings, we highlight major strength of SCTP. At the end, we Implement finer grain TCP locking mechanisms for larger messages.

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Deployment of TCP University of Bridgeport (UB) to Control Law Enforcement Department over Wireless Mesh Network

Elmannai

Razaque

Elleithy

2012

JCCE

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Transmission Control Protocol (TCP) is the most reliable protocol. That was previously introduced for wired networks only. Lately the TCP started to act poorly for several factors due to the advent of wireless network. The represented factors which need to be addressed are recovery mechanism, backup mechanism, mobility, congestion window and maximum packet size. Based on existing variants, new were introduced. The most two debated variants are Vegas and Westwood which motivated many researches. However, the number of studies proved that Vegas could perform more efficiency than other variants during the congested network whereas Westwood could consume less bandwidth. Hence, in our previous publications, we already proved by integrating some features of Vegas and Westwood to get better and more stable variant even in high congested network. It is called TCP University of Bridgeport (TCP-UB).Based on a previous simulation, TCP-UB proved a high efficiency, less bandwidth consumption and stability from static and mobility point of view. Therefore, in this paper we are using NS2 simulator to perform TCP-UB over wireless mesh network supported with manhattan mobility model. It provides robust and faster transmission service among several police stations in Connecticut, USA.Furthermore, we are comparing TCP-UB with Vegas and Westwood from a static and mobility point of view based on bandwidth consumption and congestion window scenario. On the basis of findings, we validate that TCP-UB is also better performer even over wireless mesh network.

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Performance Evaluation of TCP Variants under Mobility Based Anchor Point Node (APN) Hybrid Network

Cited by 3 publications

References 7 publications

Proportional Study of TCP Variants over Heterogeneous Wireless Networks

Proportional Study of TCP Variants over Heterogeneous Wireless Networks

Deployment of Stream Control Transmission Protocol (SCTP) to Maintain the Applications of Data Centers

Deployment of TCP University of Bridgeport (UB) to Control Law Enforcement Department over Wireless Mesh Network

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