Introduction

Over the last few years, the interest for connecting computers and computer supported devices to wireless networks has steadily increased. Computers are becoming more and more seamlessly integrated with everyday equipment and prices are dropping. At the same time wireless networking technologies, such as Bluetooth and IEEE 802.11b WLAN , are emerging. This gives rise to many new fascinating scenarios in areas such as health care, safety and security, transportation, and processing industry. Small devices such as sensors can be ....etc

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Introduction

Over the last few years, the interest for connecting computers and computer supported devices to wireless networks has steadily increased. Computers are becoming more and more seamlessly integrated with everyday equipment and prices are dropping. At the same time wireless networking technologies, such as Bluetooth and IEEE 802.11b WLAN , are emerging. This gives rise to many new fascinating scenarios in areas such as health care, safety and security, transportation, and processing industry. Small devices such as sensors can be ....etc

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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{
....etc

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Introduction

Over the last few years, the interest for connecting computers and computer supported devices to wireless networks has steadily increased. Computers are becoming more and more seamlessly integrated with everyday equipment and prices are dropping. At the same time wireless networking technologies, such as Bluetooth and IEEE 802.11b WLAN , are emerging. This gives rise to many new fascinating scenarios in areas such as health care, safety and security, transportation, and processing industry. Small devices such as sensors can be ....etc

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LWIP

Over the last few years, the interest for connecting computers and computer supported devices to wireless networks has steadily increased. Computers are becoming more and more seamlessly integrated with everyday equipment and prices are dropping. At the same time wireless networking technologies, such as Bluetooth and IEEE 802.11b WLAN , are emerging. This gives rise to many new fascinating scenarios in areas such as health care, safety and security, transportation, and processing industry. Sm ....etc

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

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ABSTRACT
lwIP is an implementation of the TCP/IP protocol stack.. Interest for connecting small devices to existing network infrastructure such as global internet is steadily increasing. Such devices often has very limited CPU and memory resources and may not able to run an instance of TCP/IP protocol suite.
The focus of the lwIP stack is to reduce memory usage and code size, making lwIP suitable for use in small clients with very limited resources such as embedded systems. In order to reduce processing and memory deman ....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(cou ....etc

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

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