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CHUNK SCHEDULING

STRATEGIES IN P2P NETWORKS

By

K.DURGA PRASAD(08591A1244)

B.SHIVA CHARAN (08591A1212)

Internal GuideASWINI


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CONTENTS

Introduction

Existing System

Proposed System

System Requirements

Modules

UML Diagrams


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INTRODUCTION

Straight line routing in large homogeneous multi-hopwireless networks.

Routingis the act of moving information across aninternetwork from a source to a destination

Simple stochastic model that can be used to comparedifferent downloading strategies to random peer

selection.

3


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EXISTING SYSTEM

Existing routing schemes take the decisions based onthe load imposed on every network link.

When a link, becomes congested, some of the routes

are modified. The source cannot choose the optimal path.

Memory burden is on all nodes.


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PROPOSED SYSTEM

Each peer obtains an entire file before thispossession it is like a store-and-forward system thefile is divided into a number ofchunks.

straight-line routing

threshold value to get the optimal path.


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REQUIREMENTS Software Requirements:

Language : C#.NET

Technologies : Microsoft.NETTechnologies with ASP.NET

Database : Microsoft SQL server 2005

IDE : Visual Studio 2008 Operating System : Microsoft Windows XP or Later Version

Hardware Requirements:

Processor : Intel Pentium or more

RAM : 512 MB (Minimum)

Hard Disk : 80 GB


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MODULES

Client

Server

Router


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Client

In computing, a client is a system that accesses a(remote) service on another computer by some kindof network.

Client selects a path to save a file, which is sent bythe Server in order to find the impact of straight line

routing.


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Server

A kind of daemon which performs a service for therequester, which often runs on a computer other than

the one which the server runs.

We can transfer the files and clients can receive the

files at specified location.


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Router

Multiple relay nodes between source anddestinations in a wireless multi-hop networks can betermed as routers.

Shortest-path routing is often used for its simplicity

and scalability, and this is closely approximated bystraight line routing for large multi-hop wirelessnetworks.


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Client : ClientClient : ClientPortPort FileFile

: Initializing Port1

: Open Port1

: Save File1

client


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Server : ServerServer : ServerPortPort FileFile

Router : RouterRouter : Router


: Open Port1

: Selecting File1

: Sending File1

server


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Router : RouterRouter : RouterPacketPacket

Client : ClientClient : Client

: Forwarding Packet1

: Checking Destination Reached or not1

: Send Data1


: Opening Port1

: Recieve Data1

router


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NICReceiveData

InitializeNetworkPort

OpenNetworkPort

client

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U s e r

S a v e F i l e

S e l e c t F i l e L o c a t i o n

< >

client

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U se r

I n i t i a l i z e N e t w o r k P o r tO p e n N e t w o r kP o r t

S e n d F i l e

< >

< >

S e l e c tF i l e

< >

server

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N IC

O pe n N e tw o rk P o rtIn itia lize Po rt

F in tN e xtR o u te r

F o rw a rd P a ck e t

R ec e ive P a ck e t

>

< >

S en d P a cke t

< < in clu d e > >

< >

>

>

router


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Client

Server

Router

Activity diagram

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