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CIIT,Islamabad
NP Assignment no 1
Submitted to: ` Ms. Madiha Kazmi Group Members Salman Ahmad FA08-BET- 099 Zaid Khalid FA08-BET- 116 Badar Munir FA08-BET- 135 Journal topic: Analyzing of Virtual Private Network over Open Source Application and Hardware Device Performance Jounal name: European Journal of Scientific Research Impact Factor:
Year of Publish: 2009 Abstract: In this research, we propose an architectural solution to implement the Virtual Private Network (VPN) technology in campus environment between branches. The objective of this evaluation is to measure the quality of the streaming on client server performance over VPN technology. Virtual Private Network (VPN) technology has become
a discussion issue for this time being. Today, the deployment of this technology on an organization truly can give a great privacy and security benefit over campus branches. Therefore, this study is to analyze the VPN over open source application and hardware device performance areas evolved with the quality of service delivered by streaming activities between branches. This study focuses on quality of voice prediction such as i) the performance of streaming activity (traffic in and out) and ii) delay based on round trip time (RTT). In this study, network management system (NMS) is used to monitor and capture the performance of VPN in campus environment. In addition, the most apparent of implementing VPN in campus environment is to define the best solution between open source application and hardware device that can be used in operational environment. Based on the finding result, the VPN measurement through hardware device is able to contribute better performance compare to open source application. Introduction: A virtual private network [1] is a secure logical network that is tunneled though another network. VPNs are often used for implementing secure point-to-point communications through the public Internet [2]. The VPN is designed as an “overlay network” [3], i.e. using an address space that is distinct from but mapped to the global IP address space through the use of IP aliases to hosts and tunnels between distant physical networks[4]. For example, security and privacy become mandatory requirements for VoIP communications that needs security services such as confidentiality, integrity, authentication, non-replay and non-repudiation. QoS of the voice is affected by delay, jitter, and packet loss [7], [8]. New security solutions must take into account the real-time constraint of multimedia service and their mechanisms should address possible attacks and overhead associated with it
. Most Analyzing of Virtual Private Network over Open Source Application and Hardware Device Performance VPN solutions are implemented to tunnel data traffic while the trend toward a converged data and voice network, however, places new demands on VPNs to support real time traffic. The reason why need to implement VPN technology in campus environment is the ability for students to perform computer laboratory experiments has traditionally been limited to a physical environment. Because of this restriction, lab experiments could be performed only during formal lab hours or open lab time. There are a number of negative consequences resulting from physical barriers, including administrative issues involving lab equipment and room support costs, and site access on weekends and after-hours. Student limitations involve inflexible lab room schedules, sometimes insufficient equipment, and possible late-night safety concerns. For example, an open source VPN solution that uses ‘Openswan’ and the IPSec sub-system. This open source technology allows student computers to connect to the private lab LAN and perform experiments from home or the dorm, at
