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Because of the features of HAPs networks, TCP performance is challenged. In order to solve the TCP problems, optimization of TCP is researched in this paper. An optimized TCP for HAPs network (TCP-HAP) is proposed. It consists of three mechanisms which are rapid congestion notification, reason of packet loss recognition and traffic oriented congestion control. In TCP-HAP, the congestion message is...
The satellite communications are used more and more widely. But these kind of communications have a lot of different characteristics, such as long link delay and high bit error rate. Our research aims to find out the efficient protocol between TCP and SCPS-TP transport protocol through simulation topology method.
High speed satellite communication networks are emerging as part of the future global wireless communication systems. However, existing transmission control protocols for satellite networks do not provide satisfactory performance over high speed satellite links due to their inefficient congestion avoidance algorithms. This paper identifies the reason for low throughput of a widely used protocol space...
Applications operating over airborne networks are known to perform quite sub-optimally. Transmission control protocol (TCP) based applications often experience very low data throughput, while the user datagram protocol (UDP) based applications suffer high packet loss as well as out-of-order delivery. This is due to the high bit error rate (BER) nature of the wireless links and the high mobility of...
In order to improve the performance of existing multicast congestion control mechanisms applied to wireless networks, in this paper, we propose an expert-control-based intelligent multicast congestion control mechanism for wireless networks, termed ECMCC. ECMCC detects the network congestion state according to network relative queuing delay and packet loss, feedbacks information to multicast source...
Transmission Control Protocol was designed to work over the networks characterized by low delay and negligible bit error rates. Transmission Control Protocol (TCP) performance degrades when TCP traffic is carried over the satellite networks that have large latency, high bit error rates and path asymmetry. To comprehend the effect of satellite conditions over TCP, we have evaluated the TCP performance...
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