FAIRNESS PROBLEM IN TCP AND UDP A STUDY AND SOLUTION ....etc

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// writing client server program using UDP

import java.net.*;
import java.io.*;

class UDPserver
{
final static int ECHO_PORT=7;
public static void main(String args)
{
DatagramSocket ds;
DatagramPacket dp;

try{
ds=new DatagramSocket(ECHO_PORT);
while(true){
dp=new DatagramPacket(new byte,1024);
ds.receive(dp);
dp=new DatagramPacket(dp.getData(),
dp.getLength(),dp.getAddress(),dp.getPort());
ds.send(dp);
}
}catch(IOException e){
System.out.println(could not recieve or send ....etc

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Abstract We consider the problem of relay-assisted transmission for cellular networks. In the considered system, a source node together with relay nodes are selected in a proportionally fair (PF) manner to transmit to the base station (BS), which uses the maximal ratio combining (MRC) to combine the signals received from the source node in the first half slot and the relay nodes in the second half slot for successful reception. The proposed algorithm incorporates the PF criterion and cooperative diversity, and is called proportionally fair c ....etc

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difference between tcp session hijacking and udp session hijacking ....etc

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Abstract

The emergence of scientific applications that produce huge volume of data files requires special attention, and leads to the problem of how to manage and share such data files in wide area properly. In large-scale Grid, data replication provides a suitable solution for managing data files where data reliability and data availability are enhanced. Replica selection is one of the major functions of data replication that decides which replica location is the best for Grid users. In this paper, we address the replica sele ....etc

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Network border patrol: preventing congestion collapse and promoting fairness in the Internet

Abstract: The Internet's excellent scalability and robustness result in part from the end-to-end nature of Internet congestion control. End-to-end congestion control algorithms alone, however, are unable to prevent the congestion collapse and unfairness created by applications that are unresponsive to network congestion. To address these maladies, we propose and investigate a novel congestion-avoidance mechanism called network border patrol (NBP). N ....etc

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I request the project report and ppt for the topic On the Fairness of Frequency Domain Resource
Allocation in Wireless Mesh Networks ....etc

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KXCKXVKXJCNVKXCNVKXCNVKJXCNVKXCNKLXKLVKLXCV ....etc

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to get information about the topicUDP client Java source code refer the page link bellow

import java.net.*;
import java.io.*;

class UDPclient
{
final static int ECHO_PORT=7;
DatagramPacket dp;
DatagramSocket ds;
byte msg=new byte;
String msgreceived;

try{

Reference: http://seminarsprojects.net/Thread-udp-client-java-source-code?pid=59708#pid59708#ixzz1gI81SfxE ....etc

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Selective Repeat is part of the automatic repeat-request (ARQ). With selective repeat, the sender sends a number of frames specified by a window size even without the need to wait for individual ACK from the receiver as in Go-Back-N ARQ. The receiver may selectively reject a single frame, which may be retransmitted alone; this contrasts with other forms of ARQ, which must send every frame from that point again. The receiver accepts out-of-order frames and buffers them. The sender individually retransmits frames that have timed out. ....etc

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