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Wan Design

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Company Overview In this plan, I will describe the process of creating a WAN for ACME Manufacturing. ACME Manufacturing has six buildings in different locations that need to be on the same network. Headquarters and the other remote locations of ACME Manufacturing share the need for constant communication with each other. Atlanta, Georgia, is the home of ACME manufacturing where they have another building across the street, their engineering facility. The other locations are in Phoenix, Chicago, New York, and China.
Network Setup and Connections The LAN setup in Atlanta for the headquarters and engineering buildings will use a logical choice of routers and Ethernet cables. Using routers and Ethernet cables will provide speedy data transfer rates and reliability without costing ACME manufacturing exuberant amount money. The three distribution locations in Phoenix, Chicago, and New York will use satellite connections to their headquarters in Atlanta. The last connection is the manufacturing plant in China wills also use a satellite connection to connect to headquarters back in the United States. After to some thought of what topology to use, a star topology looks to be the best choice for ACME manufacturing. (See Figure 1) All locations will connect with headquarters by either satellite or T1. Headquarters as the central location of the WAN will benefit the network administrator by giving him or her more control of the network. ACME manufacturing benefit from using T1 leased lines is that they deliver more bandwidth. T1 lines can deliver large amounts of data at high rates of speed and can reduce communication times between two points. T1 lines transmit data up to 1.544 and can deliver up to 24 digitally converted voice channels (Regan, 2004).

Figure 1.
Communications System
VOIP is the Telecommunication system that would benefit ACME manufacturing the most. Some of the benefits of VOIP are, enhanced productivity, reduction in telecommunication costs, and makes any phone system highly flexible. VOIP increases productivity and provides useful features and capabilities that a normal phone system cannot offer.
VLAN/IP Address Building a VLAN for ACME manufacturing one would think a Class B would be the choice, but with Classless Interdomain Routing (CIDR), it will not be necessary. “CIDR eliminates the traditional concept of class A, B, and C network and with CIDR, the addresses that were wasted for the class A and B networks are reclaimed and redistributed for use later” (Regan, 2004). Dividing the network into smaller subnetworks, which would be the six builds that ACME occupies, will enhance network performance. Each subnetwork will have resources and devices available to its users and eventually freeing broadcast traffic in the network.
Equipment for the Network Designing a WAN, the network equipment needs special considerations. The following list is the recommended equipment best suited for ACME manufacturing: * Mainframe computers * Switches and routers * Telephony system * Firewalls * Wireless equipment
The main component of each of ACME manufacturing’s buildings are the mainframes computers. The mainframe in the headquarters building will control the connections of the different networks, in turn connecting all networks, routers, and firewalls to the mainframe at the headquarters building.
Wireless Connections Wireless technology is a very important part of today’s businesses and improves employee productivity. Devices like PDA’s and laptop computers are just two types of devices that give the workers the ability to be mobile and increase their productivity. To create this mobility in the workplace a few devices will be needed. Wireless access points need to be added to supply signals for laptops so that employees have the freedom to take their work anywhere in the building. Wi-Fi would be another recommendation because of its manageability and ease of use.
Protocols
Open Shortest Path First (OSPF) is a logical choice for ACME manufacturing and the size of their network. This protocol opens the most direct path to a destination first and in turn saves the bandwidth for other processes. OSPF was designed for use in large networks and subnetworks and is easily managed.
Security
The most important feature of a network is security. Installing the correct software and hardware security needs to be balanced. Too much or too little protection can have adverse effects to the networks. For each subnetwork a physical firewall needs to be placed in front of each mainframe is suggested. Antivirus software will be installed on every company computer and laptop in the network. Passwords and users names need to be complex so they are not easily cracked. The last thing to consider is that encryption will be used to protect confidential information of the company and its customers.

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