The network performance over tcp protocol using NS2

Ammar Abdulateef Hadi, Raed A. Alsaqour, Syaimak Abdul Shukor

Research output: Contribution to journalArticle

Abstract

Transmission Control Protocol TCP is a congestion control transport protocol, utilizing by the applications which asks ensuring delivery. By the most common characteristics for TCP, congestion control, acknowledgment resend packet loos, where are prohibit from network collapse and trying to increase the performance of network. These attempts standing against a multiple situations which mark its presence in the network such as weakness of data flow which is happened in some point of the network such as bottleneck, however, sometimes bottleneck determining the efficiency of the network, which includes throughput, delay, packet delivery ratio PDR, and packet loss ratio PLR. Despite the all attempts, including the bandwidth increasing, packet size manipulation, and increase the queue size, that done on physical links of the network, without any tangible improvement unless a bottleneck treatment. In this paper, we study the performance metrics of TCP protocol including throughput, PDR, and PLR. Network simulation (NS2) version 2.35 is used to study the performance of TCP protocol with FTP network traffic load. The performance of TCP was tested by manipulating the network metrics like link bandwidth, packet size, and queue size. Results of the study showed that the high throughput performance done by increasing the packet size and also by providing high link bandwidth to a certain extent and begin to decline because of insufficient resources in certain connections, such as a bottleneck connection. The PLR is positively affected by increasing the queue size, whereas, the increasing of packet size is adversely affected on PDR.

Original languageEnglish
Pages (from-to)716-720
Number of pages5
JournalARPN Journal of Engineering and Applied Sciences
Volume12
Issue number3
Publication statusPublished - 2017

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Network performance
Throughput
Bandwidth
Network protocols
Telecommunication links
Transmission control protocol
Packet loss

Keywords

  • Bottleneck
  • Congestion control
  • Connection bandwidth
  • FTP
  • Packet size
  • Queue size
  • TCP
  • Throughput
  • Traffic load

ASJC Scopus subject areas

  • Engineering(all)

Cite this

The network performance over tcp protocol using NS2. / Hadi, Ammar Abdulateef; Alsaqour, Raed A.; Abdul Shukor, Syaimak.

In: ARPN Journal of Engineering and Applied Sciences, Vol. 12, No. 3, 2017, p. 716-720.

Research output: Contribution to journalArticle

Hadi, Ammar Abdulateef ; Alsaqour, Raed A. ; Abdul Shukor, Syaimak. / The network performance over tcp protocol using NS2. In: ARPN Journal of Engineering and Applied Sciences. 2017 ; Vol. 12, No. 3. pp. 716-720.
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