DATA CENTRALIZATION OVER NETWORKS (data-CON) aims the centralization of data in different platforms. The data, which are based in different platforms, can be centralized in a unique server. The main peculiarity of the Data-CON is that the clients can use different platforms and databases. Data-CON can be used to synchronize datas in different databases such as SQL. ORACLE, MYSQL, ACCESS, etc. It can be used as a backup tool. Data-CON aims to develop client and server tools to centralize over various networks. Data-CONS can be used to centralize dates in both Internet and intranet, and it can be used to synchronize data between different network points. Data-CON supports the communication between the clients in different platforms. It is also having some chat application. It allows both online and off-line communication. Data-CON can be used as a backup tool for taking file backup from network, Internet and local machine. Exiles, which are created in monitored folders, are copied over the network to the central folder, which can be used as backup folder or central storage.


Title page 





Table of Content



1.2 Statement of the Problem

1.3 Aim and Objectives

1.4 Significance of the Study

1.5Scope and Limitation

1.6Organization of the Report

1.7Definition of Term


2.1 The Evolution from Local to the Central Tape Backup

2.2 The Emergence of Disk-Based Backup

2.3 How Wide -Area Data Service Accelerate Wan Backup

2.3.1 Data Streamling Eliminate Redundant Byte from Transfers

2.3.2 Transport Streamling Eliminate Transport Protocol Inefficiencies

2.3.3 Application Streamling Optimizes Application Wan Performance

2.3.4 Management Streamling Enables Transparent Deployment and Centralized Management 


3.1 Research Method

3.2 Description of Current System

3.3 Problems of the Existing System 

3.4 Description of Proposed System 

3.5 Advantages of the Proposed System  

3.6 Design and Implementation Methodologies


4.1 Design of the System

4.1.1 Output Design 

4.1.2 Input Design 

4.1.3 File Design/Database Design 

4.1.4 Procedure Design 

4.2 System Implementation 

4.2.1 Choice of Programming Language

4.2.2 Hardware Support 

4.2.3 Software Support 

4.2.4 Implementation Techniques used in Detail

4.3 System Documentation

4.3.1 Program Documentation 

4.3.2 Operating the System 

4.3.3 Maintaining the System


5.1 Summary 

5.2 Experience Gained 

5.3 Problem Encountered

5.4 Conclusion 

5.5 Recommendation 



1. System Flowchart 

2. Program Flowchart     

3. Source Program Listing 

4. Computer Output 




The need to be close to customers, manufacturing facilities and specialized labor have required organizations to extend the traditional concept of “headquarters” to offices and factories hundreds or even thousands of miles away. However, along with the opportunities that come with workforce globalization; come the realities of dealing with data that sprawls across the organization. Whether the data is at the Munich branch or at HQ in New York, it is equally susceptible to loss, requiring that data recovery and security plans apply to all parts of the organization, regardless of location.

To protect company data and ensure its availability to users, IT organizations have been conflicted between two backupapproaches. The first approach, local tape backup, requires that tape libraries be present wherever there are servers in racks.

Local area network (LAN) access to the servers gives administrators fast data backup and recovery. The newer approach, centralized backup, puts high-density tape libraries in one location to which data from servers around the world is backed up.

While centralized backup requires less hardware, reduces administration time, and solves the security problem associated with loose tape media, it can introduce greater bandwidth consumption and longer backup/restore windows. Because of these issues, centralized backup has been a leap some managers have not been willing to make. With the right wide-area data services (WDS) technology, a more scalable and secure data protection model can be implemented without the expense of an expanded wide area network (WAN). WDS is a superset of several network acceleration categories, including data reduction and compression as well as protocol and application optimization. WDS can eliminate the bandwidth and time constraints that stall many centralized backup deployments and are the primary enabler of many technology consolidation projects.


The existing system that was in place was operating on individual database system (i.e. each system has its own database) which made it vulnerable to corrupt practices and have a lot of setbacks among which:

i. Getting required data and information needed takes time, 

ii. In an organization, it is not easy to get an information about something unless you go to the system it is stored no matter how much urgent it is, 

iii. It is cost ineffective in the sense that, substantial large amount of money will be needed to set up such system, since each system has to be catered for etc.


The aim of this system is to produce a system that will serve as repository for all other systems connected to it, whereby they will be able to add, edit and query the database whenever the need arise.

Objectives of this system are:

i. To develop a central server that maintains, manages and controls the activities of all other systems.

ii. To develop a system that will reassure data security, integrity and reliability.

iii. To develop a system that will be cost effective compared to individual database system.

iv. To enable easy access to any required data and information within a little period of time.


This system covers a wide range in term of producing a centralized database for computational data and information; it operates on a local area network whereby data centralization will only be available for systems that are connected to the network. It is currently used for systems that are connected together using local area network.

The limitation of this system is only based on the fact that it requires technical skills like basic knowledge of networking, computer awareness etc. It would pose a great headache for a person trying to use the system and unable to use it because of lack of communication between the systems due to incorrect configurations and or technical issue or fault on the hardware component of the system.


This project helps in creating a central system where all data will be stored and accessed when needed by making use of local area network connection. Example, in an organization where there are several client computers and one server, this system will provide a means of storing all their data and transaction works on the server alone to enable security and ease of access.


Majority of this project will contain all the necessary information needed to carry out the proposed task.

Chapter one contains general introduction, aim and objective, significance of the study, methodology, scope and limitation, organization of the report and definition of technical / operation terms.

Chapter two deals with the literature review, it reviews related topic to the project, discussion of related aspect of the project topic relative to computer technology.

Chapter three deals with analysis of the system which include the data collection method employed, the description of the existing system and its problems and the description of the proposed system and possible advantages it will provide the will solve problems encountered in the existing manual system.

While chapter four deals with the design, implementation and the description of the proposed system. It covers description of the output design, input design, database design and procedure design. The implementation techniques used, the programming language used in developing the new system and system requirements for running the system. And also talks about the program documentation as well user documentation.

Lastly chapter five presents a brief summary of the work done, experience gained and problems encountered in the course of the project, conclusion and recommendation. Other appendices included after the references used are; algorithm, system flowchart, program flowchart, program source listing and generated computer output.


NETWORK: This comprises of two or more devices (computer, printer etc connected together using a particular connection protocol with the aim of sharing resources.

LAN: Local Area Network this is a communication network that serves user within a confined geographical area or a restricted locally such as a building or campus. 

LAN CABLE: This is the cable usually called CAT5, RJ45 that is modified in order to create connection between 2 systems for ease of data communication and transmission.

SERVER: A computer that provides client stations with access to files and printers as shared resources to a computer network.

BACKUP:  A copy of a file or directory on a separate storage device

Hardware: the mechanical, magnetic, electronic, and electrical components making up a computer system.

WAN: Wide Area Network is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using leased telecommunication lines.

OPTIMIZATION: The act of rendering optimal.

PROTECTION: A covering that is intends to protect from damage or injury.

WDS:Wireless Distribution System is a system enabling the wireless interconnection of access points in an IEEE 802.11 network. It allows a wireless network to be expanded using multiple access points without the traditional requirement for a wired backbone to link them. 

BANDWIDTH: A data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel.




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