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Influence of False Congestion Alarms on Performance for Congestion Control Based on Dynamic Window Flow Mechanism in Wireless Networks
White Paper The congestion detection mechanism of congestion control based on dynamic window flow control, which is widely used for reliable window protocols such as TCP, is well-known to be simple, but it may raise false alarms: a... [03 Jul 2008]
TCP Westwood: End-to-End Congestion Control for Wired/Wireless Networks
White Paper TCP Westwood (TCPW) is a sender-side modification of the TCP congestion window algorithm that improves upon the performance of TCP Reno in wired as well as wireless networks. The improvement is most significant in... [15 Jan 2008]
Adding Network-Layer Intelligence to Mobile Receivers for Solving Spurious TCP Timeout During Vertical Handoff
White Paper These schemes require only minor modifications to the network layer of mobile receivers and no change to the TCP protocol and the TCP sender. This paper tackle the spurious timeout problem frequently associated with... [09 Jan 2008]
Modeling TCP Throughput Over Wired/Wireless Heterogeneous Networks for Receiver-Based ACK Splitting Mechanism
White Paper The mechanism does not need modifications to the sender TCP or the base station. Recently, heterogeneous networks with wired and wireless links are becoming common. However, the performance of TCP data... [27 Dec 2007]
Evaluating TCP With Corruption Notification in an IEEE 802.11 Wireless LAN
White Paper It has been suggested to enhance the performance of TCP over wireless links by adding a checksum that covers the packet header, enabling the TCP receiver to detect errors in the payload and inform the... [27 Dec 2007]
Data encryption brought into focus by HMRC
Comment The sender would have to use software that encrypts the data using strong algorithms encrypting sensitive data at source and tightly controlling and monitoring the way people access the database. Click on the... [21 Dec 2007]
De-Randomizing Congestion Losses to Improve TCP Performance Over Wired-Wireless Network
White Paper Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. This paper proposes a simple biased queue management scheme that "De-randomizes" congestion losses and... [20 Dec 2007]
CTCP: Improving TCP-Friendliness Over Low-Buffered Network Links
White Paper Compound TCP (CTCP) is a sender-side improvement for TCP in high-speed and long distance networks. As a consequence, when operating over under-buffered links, CTCP may demonstrate poor fairness to... [20 Dec 2007]
TCP With Header Checksum Option for Wireless Links: An Analytical Approach Towards Performance Evaluation
White Paper Basically, the TCP sender responds to these losses as if they were due to congestion in the network, and reduces the congestion window unnecessarily. This paper derives an expression for the probability of a receiver... [20 Dec 2007]
TCP Westwood: Bandwidth Estimation for Enhanced Transport Over Wireless Links
White Paper TCP Westwood (TCPW) is a sender-side modification of the TCP congestion window algorithm that improves upon the performance of TCP Reno in wired as well as wireless networks. The improvement is most significant in... [06 Dec 2007]
End-to-End Bandwidth Estimation in TCP to Improve Wireless Link Utilization
White Paper TCP Westwood (TCPW) is a sender-side only modification of TCP Reno congestion control that exploits an end-to-end bandwidth estimation mechanism to set the values of Slow-Start-Threshold and Congestion-Window after a... [06 Dec 2007]
TCP Westwood With Bulk Repeat for Heavy Loss Environments
White Paper TCP Westwood (TCPW), a recently introduced sender only variant of TCP, was shown to be particularly efficient in high bandwidth, large propagation paths, with light random loss. That is, when the bandwidth delay product... [05 Dec 2007]
Malware: From bedroom to boardroom
Comment The Trojan will be disguised in a document such as an invoice or request for more information and is designed to give the sender direct access to the victim's documents. To bypass AV systems, gangs are also turning away... [19 Nov 2007]
"De-Randomizing" Congestion Losses to Improve TCP Performance Over Wired-Wireless Networks
White Paper Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. This paper proposes a simple biased queue management scheme that "De-randomizes" congestion losses and... [07 Nov 2007]
Modified TCP Congestion Control Algorithm for Throughput Enhancement in Wired-Cum-Wireless Networks
White Paper The key idea proposed in this paper is to determine the Optimal Congestion Window for a TCP Sender in a particular network scenario (that corresponds to the fair share of that connection) and keep this congestion window... [07 Nov 2007]
