requesting for uml diagrams for host to host congetion control for tcp ....etc

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hi am new to ns2...i am ding ma PG project in TCP in wireless networks am trying to estimate available bandwidth by modifying backend files tcp.cc and tcp.h in ns2...can yo help me to modify it??? ....etc

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hii,
i want more details about congestion control for tcp based on bandwidth estimation project.... ....etc

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BANDWIDTH ESTIMATION FOR IEEE 802.11 BASED ADHOC NETWORK-MOBILE COMPUTING

Abstract: Since 2005, IEEE 802.11-based networks have been able to provide a certain level of quality of service (QoS) by the means of service differentiation, due to the IEEE 802.11e amendment. However, no mechanism or method has been standardized to accurately evaluate the amount of resources remaining on a given channel. Such an evaluation would, however, be a good asset for bandwidth-constrained applications. In multihop ad hoc networks, such evaluation becomes ev ....etc

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Presented By
LACHIRAM.G


TCP Congestion Control
 Essential strategy :: The TCP host sends packets into the network without a reservation and then the host reacts to observable events.
 Originally TCP assumed FIFO queuing.
 Basic idea :: each source determines how much capacity is available to a given flow in the network.
 ACKs are used to ‘pace’ the transmission of packets such that TCP is “self-clocking”.
AIMD (Additive Increase / Multiplicative Decrease)
 CongestionWindow (cwnd) ....etc

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Abstract: In this paper, we propose an accurate method to evaluate the available bandwidth in IEEE 802.11-based ad hoc networks. We improve the method described in. We evaluate our solution on di_erent scenarios. We also provide a comparison with different QoS routing protocols, BRuIT, AAC and QoS-AODV, based on di_erent available bandwidth estimation techniques.
Presented By:
Cheikh Sarr ”Claude Chaudet ” Guillaume Chelius ” Isabelle Guérin Lassous
Introduction
The quality of service issues in ad hoc n ....etc

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Presented By:
Samarth H. Shah, Kai Chen, Klara Nahrstedt Department of Computer Science University of
I. INTRODUCTION
Available bandwidth estimation is a vital component of admis¬sion control for quality-of-service (QoS) in both wireline as well as wireless networks. In wireless networks, the available bandwidth undergoes fast time-scale variations due to channel fading and error from physical obstacles. These effects are not present in wireline networks, and make estimation of available bandwidth in wire ....etc

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BANDWIDTH ESTIMATION FOR IEEE 802.11 BASED ADHOC NETWORK
Abstract: Since 2005, IEEE 802.11-based networks have been able to provide a certain level of quality of service (QoS) by the means of service differentiation, due to the IEEE 802.11e amendment. However, no mechanism or method has been standardized to accurately evaluate the amount of resources remaining on a given channel. Such an evaluation would, however, be a good asset for bandwidth-constrained applications. In multihop ad hoc networks, such evaluation becomes even more difficult. C ....etc

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Yes i am looking for the ppt of host to host congestion control for tcpand to download ....etc

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i want ppt of differnce between optical &electrical bandwidth.
....etc

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