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# Network Design

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Details: Sterling Co. wants you to design a network infrastructure for them. They have five divisions with several hundred users at each division across the United States. They have many employees who work from home. What kind of network would you suggest? What are the advantages of networking together these five divisions and permitting remote access from employee's homes? When would packet switching be used and when would circuit switching be used?

Objective: Discuss the characteristics of Internet, wireless, and local area networks
Identify various hardware components and network topologies
Explain the different routing algorithms

##### Solution Summary

Sterling Co. wants you to design a network infrastructure for them. They have five divisions with several hundred users at each division across the United States. They have many employees who work from home. What kind of network would you suggest? What are the advantages of networking together these five divisions and permitting remote access from employee's homes? When would packet switching be used and when would circuit switching be used?

##### Solution Preview

What kind of network would you suggest?

The whole internet world is directly connected to the WAN (Wide Area Network). We access this WAN connection in many ways. In case of Sterling Co as they have five divisions having hundreds of employees in each division, Sterling Co needs a MAN (Metropolitan Area Network). With the help of MAN they will be directly connected to the WAN. In this Sterling Co organization the internal structure should use LAN (local Area network). Now it depends the way Sterling Co wants to design their LAN structure.
Sterling Co can design one LAN connection for one room or a bigger LAN connection consisting many rooms or many computers at a time. When Sterling Co internet connection is connected to the WAN, they get a WAN IP address provided by the Internet service providers (ISP). It is then transferred to the modem. Internal LAN is directly connected to the Internet WAN via an Internet Service Provider (ISP) using a broadband modem. All computers on the LAN can communicate directly with each other but must go through a central gateway, typically a broadband router, to reach the ISP.
Now the question arises about those employees who are working from home. Sterling Co needs their output and devotion for the betterment of Sterling Co but how they get connected with Sterling Co internet connection? The employee working from home needs remote access for Sterling Co. Their distance might vary from employee to employee. For the employees who are working from home needs a ...

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###### Education
• BCom, SGTB Khalsa College, University of Delhi
• MBA, Rochester Institute of Technology
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