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Currently, Transmission Control Protocol (TCP) is the dominant protocol used in the Internet. It is the transport protocol that is responsible for the transmission of around 90% of the Internet traffic. TCP was originally designed for wired network where packet loss due to congestion dominates. Mobile Ad Hoc Network (MANET), one of the wireless networks, has special characteristics which cause several...
Wireless internet has become popular in recent years due to the tremendous growth in the number of mobile computing devices and high demand for continuous network connectivity regardless of physical locations. In this paper, we investigate the effects of routing protocols on the performance of Transmission Control Protocol (TCP) variants in multi-hop wireless networks. Through simulations we study...
This paper investigates congestion behavior of TCP and its variants TCP Reno, TCP NewReno, TCP Sack1, TCP Vegas, TCP Rbp and TCP Fack for AODV (Ad hoc Ondemand Distance Vector) and DSR (Dynamic Source Routing) routing protocols under persistent packet reordering attack through simulations in NS-2. It also proposes a solution to counter misinterpretation packet reordering with packet loss when retransmissions...
Providing Internet services over wireless links has grown rapidly in recent years. TCP (Transmission Control Protocol) has been performing well over the traditional wired networks where packet losses occur mostly because of congestion, it cannot react efficiently in wireless networks, which suffer from significant non-congestion-related losses due to reasons such as bit errors and handoffs. The paper...
Transmission Control Protocol (TCP), the almost universally used reliable transport protocol in the Internet, has been engineered to perform well in wired networks. TCP throughput, however, degrades over wireless links. Over such wireless links, the performance achieved by TCP can be improved through the use of cross-layer algorithms. In this paper, a novel cross-layer approach (Link Layer CLAMP -...
The Transmission Control Protocol (TCP) is used by the vast majority of Internet applications. Since its introduction in the 70s, a lot of variants have been proposed to cope with the different network conditions we can have (e.g., wired networks, wireless networks, satellite links) and nowadays Linux OS includes 12 different TCP variants. The aim of this paper is to offer a complete comparative analysis...
TCP is the most common transport layer protocol used in Internet. It was designed primarily for wired networks, assuming reliability at lower layers and packet losses are considered as an indication of congestion. The characteristic of wireless links is very different from wired links, particularly in terms of loss behavior. In wireless networks, most packet losses are due to poor link quality and...
Day by day popularity of wireless devices used to access the Internet is increasing. It indicates that in the near future TCP protocol will be frequently used over the wireless links. The wireless links characteristics are significantly different from characteristics of wired links. TCP (Transport Control Protocol) is basically designed for wired network. One of the main reasons for TCP's degraded...
The authors investigate the performance profit of concurrent multi-path transmission (CMT) schemes of Stream Control Transmission Protocol (SCTP) over various network environments. The results of simulation show that the performance profit of CMT-SCTP schemes strongly depends on network conditions (e.g., bandwidth). This implies that there are still a lot of studies to be needed on how to effectively...
The number of wireless Internet service users that use wireless LAN or satellite links has increased. The broadband satellite Internet services have especially attracted attention because of its characteristics such as global coverage and robustness. TCP (transmission control protocol) is used by many typical applications over satellite Internet. However, a typical TCP (such as TCP-NewReno) which...
TCP is the most transport protocol used in Internet. Today, there is an increasing demand for high-throughput wireless data transmission. In wireless communication mode, TCP doesn't provide a high-throughput due to the difficulty in making a difference between congeTCP is the most transport protocol used in internet. Today, there is an increasing demand for high-throughput wireless data transmission...
With today's widespread deployment of wireless technologies, it is often the case that a single communication device can select from a variety of access networks. At the same time, there is an ongoing trend towards integration of multiple network interfaces into end-hosts, such as cell phones with HSDPA, Bluetooth and WLAN. By using multiple Internet connections concurrently, network applications...
Hotspot wireless service attracts more and more attention all over the world. The demands for convenient, low-power, cost-effective, reliable hotspot access service urges the new technology emerging. The existing wireless access service system could not fulfill all of the above requirements for quickly growing users. Wireless AP (access point) and router system provide only networks access service,...
The transmission control protocol (TCP) provides reliable transport services between end-points and enjoys predominant share as carrier of data traffic over Internet. Last mile wireless links have challenged TCP effectiveness because of fluctuations in link quality and relatively low data rates. These fluctuations cause major performance degradation in terms of reduced throughput, increased retransmission...
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