ISM 6227 Management of Telecommunications

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ISM 6227Management of Telecommunications 

• Virtual Private Network (VPN)

• Hussam Alhariri 
• Joseph Amalfitano
• Sumedha Hewagama
• Bruce McCandless

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Introduction

• What is VPN?
• Remote access to a network and its resources
• A safe path from one network to another by means
  of tunneling

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Before VPN

• Point-to-point access
• Leased lines through telecommunications providers
• Costly
• Dial-up
• Slow
• Could be costly if long distance number

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Before VPN
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About VPN

• Three Commons types of VPN
• Intranet VPN
• Example Connecting UCF Main and UCF Cocoa
• Extranet VPN
• UCFs library connecting with other libraries
• Access VPN
• Example Mihir connecting to UCF Main from home

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How it works
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Advantages

• Access distant computers and networks remotely.
• Very secure
• VPN saves a lot of money for the user and the
  companies.
• Easier to access and manage. 
• Flexibility

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Disadvantages

• Administration overhead
• Registration
• Risk of social engineering - Hacker
• Internet is unreliable
• Compared to a leased line
• Additional knowledge or training required to
  implement a reliable VPN infrastructure
• Difficulty depends on equipment used
• Loss in efficiency due to multiple layers of
  encapsulation

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Suppliers

• Cisco Systems Worldwide leader in VPN market
• 7100 VPN Router and PIX IP firewall are leading
  products
• Very popular VPN client software used by many
  corporations

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Cost

• Price range varies depending on desired result
  and vendor
• Access VPN can be free
• Intranet and Extranet VPN pricing will vary
  greatly based on network devices used
• Compared to leased line, it is considerably less

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Users

• Companies
• Employees
• Gamers
• Students
• Mihir
• Joseph Amalfitano

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Applications

• Work
• Work/train from home
• Education
• Collaborative projects
• Gaming
• Hamatchi
• VoIP
• Secure
• Connect global companies

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Alternatives

• Physically getting to the network
• Windows Terminal Services
• Remote Desktop
• Laying cable

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Conclusion

• VPNs
• Are inexpensive compared with dedicated circuit
  services
• Allows organizations to expand and still use
  network resources across geographic locations.
• Promotes telecommuting.
• VPN technology is common place, cheap and
  affordable.
• Relatively safe and secure.