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The science of computer networking and the proliferation of mobile devices enable the capabilities of communicating with each other even in areas with no pre-existing communication infrastructure. Traffic and mobility models play an important role in evaluating the performance of these networks, despite criticism and assumption from various researches on TCP's weaknesses on MANET. A simulation was...
Various transmission control protocol (TCP) improvement schemes have been proposed to improve TCP performance over complex wireless networks. Some of them consider reducing the ACK packets, such as TCP-DBA. However, this scheme doesn't perform so well in wireless network with high packet delay and multi-hop. In this paper, a new enhanced scheme has been proposed to improve TCP performance in such...
The analysis of Internet traffic behavior under the pressure of long range dependence congestion factors has a great importance for performance management, anomaly detection and QoS control. The choice of methods using for analysis depends on the goal of description, accuracy requirements, measurement tools and assumptions concerning stochastic feature of network processes. Analysis without robust...
Compound TCP (CTCP) was designed by Tan at al. to improve the efficiency of TCP on high speed networks without unfairly penalizing other connections. In this work we analyze an isolated CTCP connection, identifying and classifying significantly different CTCP operating regimes depending on the system parameters. We show that in the ldquoconstant windowrdquo phase the congestion window can in fact...
We introduce MarkMax a new flow-aware active queue management algorithm for additive increase multiplicative decreases protocols (like TCP). MarkMax sends a congestion signal to a selected connection whenever the total back-log reaches a given threshold. The selection mechanism is based on the state of large flows. Using a fluid model we derive some bounds that can be used to analyze the behavior...
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