A virtual private server (VPS) or Virtual Dedicated Server (VDS) is a method of splitting a server. Each virtual server can run its own full-fledged operating system, and each server can be independently rebooted.The practice of partitioning a single server so that it appears as multiple servers has long been common practice in mainframe computers, but has seen a resurgence lately with the development of virtualization software and technologies for other architectures.A growing number of companies offer virtual private server hosting, or virtua ....etc

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Virtual Private Network using JAVA, J2EE

Introduction
A virtual private network (VPN) is a private data network that makes use of the public telecommunication infrastructure, maintaining privacy through the use of a tunneling protocol and security procedures. The idea of the VPN is to give the company the same capabilities at much lower cost by using the shared public infrastructure rather than a private one.
A well-designed VPN can provide great benefits for an organization. It can:
Extend geographic connectivity.
Improve security ....etc

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to get information about the topic virtual private network full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-virtual-private-network-vpn-full-report

http://seminarsprojects.net/Thread-dynamic-virtual-private-network--2685

http://seminarsprojects.net/Thread-virtual-private-network-rsa

http://seminarsprojects.net/Thread-virtual-private-network-vpn-full-report?page=2

http://seminarsprojects.net/Thread-virtual-private-network-vpn-full-report?pid=49570#pid49570 ....etc

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Privacy Preserving Collaborative Enforcement of Firewall Policies in Virtual Private Networks
Abstract
The widely deployed Virtual Private Network (VPN) technology allows roaming users to build an encrypted tunnel to a VPN
server, which henceforth allows roaming users to access some resources as if that computer were residing on their home organization s
network. Although VPN technology is very useful, it imposes security threats on the remote network because its firewall does not know
what traffic is flowing inside the VPN ....etc

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Cloud Servers vs. VPS (Virtual Private Servers)


VPS Scalability

With traditional VPSs your scalability is directly impacted by the amount of resources used up on the node you currently reside on. If you have a VPS that has 8GB of RAM and you want to scale to 32GB of RAM, chances are you will not be able to do so due to the limitations of the server you are currently on. All your data is stored locally on a VPS so moving you to a new node will not only cause downtime but could ta ....etc

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Definition
VPNs have emerged as the key technology for achieving security over the Internet. While a VPN is an inherently simple concept, early VPN solutions were geared towards large organizations and their implementation required extensive technical expertise. As a consequence, small and medium-sized businesses were left out of the e-revolution. Recently, VPN solutions have become available that focus specifically on the needs of small and medium-sized businesses. Historically, the term VPN has also been used in contexts other than the Inter ....etc

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This article is presented by:Sahil Sikka
Rohit ThapliyalVIRTUAL PRIVATE NETWORK

What is VPN?

Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate.
Became popular as more employees worked in remote locations.
Gives users a secure page link to access corporate network over the Internet

Private Networks vs. ....etc

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Networking is crucial to any enterprise, regardless of its size. To provide employees with the ability to corporate computing resources, whatever be their location, a corporation must deploy a scalable remote access solution. Usage of Traditional leased lines result in direct connectivity between various locations, which can be a costly affair in both installation, and maintanence.VPN (Virtual private networks) on the other hand, connect private networks through a public network- the INTERNET. Using a method called tunneling , VPN can be used ....etc

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Security in Virtual Private Networks
Abstract
The internet is an ideal means for information retrieval and exchange.It is cost effective, easy to use and easily accessible.But it is susceptible to certain malpractices such as data tampering and theft.This report analyses the security issues of a virtual private network(VPN) which exist over the internet and different techniques they use to prevent vulnerability. ....etc

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ABSTRACT
VPN is virtual private network. It is a private network for voice and data built with carrier services. There are three definitions for VPN Voice VPN, Carrier-based voice/data VPN, Internet VPN. VPN offers a cost-effective alternative for data communication between intra-company offices, inter-company communications and remote access for domestic and international remote user and business partners.
INTRODUCTION
Traditionally, a VPN has been defined as a private network for voice and deter built with carrier serv ....etc

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