Vincent_Cooper IT 212 Project

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Feb 20, 2024

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1 3-2 Milestone One Southern New Hampshire University IT 212 Project IT-212-H6003 Intro to Computer Networks Instructor: Jimmy Cotton Vincent Cooper August 19 th , 2023

2 Key Considerations: When researching the new office location in Fayetteville, NC, I discovered that the two key considerations for designing the network are the communications media and the mode of data transportation. These two key considerations will guide the approach in a way that will help make the appropriate decisions based on the company’s needs. They will also help tailor the design around the employee’s needs to create a seamless interactive experience for the employees both working remote and on-site. The communication or data transmission mode refers to the transfer of information between two devices with the use of a communication channel such as: optical fiber, wireless channels (Wi-Fi), copper wires, and other forms of storage media (scaler topics, NA). There are three types of transmission modes, and each channel has a specific direction based on the transmission media. These three channels are: simplex, half duplex, and full duplex. Information within the simplex transmission mode flows in one direction. The configuration within the circuit is adjusted to either transmit or receive (scaler topics, NA). A half-duplex transmission mode is like a simplex except for the fact that a half-duplex’s directional flow of information can be reversed but, a simplex is fixed to go one way always. A good example of this would be a walkie-talkie. Only one person can talk at a time while the other person listens, and the other person can then switch to where they are now the one talking while the other is listening. A full duplex mode allows for information to flow in both ways simultaneously with the use of two simplex channels. One channel pushes the information in one direction while the other flows in the opposite direction. A good example of this is the IOS messaging app, iMessage. You can text and receive text messages simultaneously. I believe the full duplex mode of transmission should

3 be used in the new location because it would allow information between the corporate headquarters and the other offices to flow simultaneously both ways without delays occurring. Determining what common network hardware components will be needed for the for the new location is an important step in building the network. Firstly, I recommend a LAN network that has a switch managed by the IT department so they can monitor the traffic. Another important and common hardware component is a business modem with wireless access points connected to it that supports speeds up to 1GBPS since the building will offer fiber optics. The modem will be connected to the LAN which will then be connected to the company’s internal network and the internet through an internet service provider and will be setup as a wide area network connection to connect to the other locations. The internet service provider (ISP) will also provide the company with a public IP address to establish a connection to the internet. This will allow the employees to live video chat with employees based at the company’s other sites and reliably send print jobs to billboard printers to the company’s headquarters in Albany. I also recommend a physical firewall connected to the WAN for a standard layer of protection.The IP range considerations for a company with 150 employees at company headquarters, 50 employees in the Springfield, MA office with 50% of them being mobile and 50 employees being hired at the new location in Fayetteville, NC are important to ensure a high level of security and smooth functionality. I highly recommend using a private IP address with a decent range to allow the use of multiple single IP addresses within the company’s network. LAN topology The LAN topologies that can potentially be used at the new location to support the desired architecture are mesh topology, bus topology, star topology, and ring topology. A mesh topology connects each communication device on the network directly to each other. A bus or

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4 line topology connects all devices within the network to a single coaxial cable. The star topology connects each device within the network via a central node, which is the switch. The ring topology connects each device via a coaxial cable physically which forms a literal ring of connected computers or communication devices. I highly recommend the star topology because its not only the most used network type but, it provides an easier experience when troubleshooting network problems in comparison to the other network types since the issue will reside within the central node instead of having to troubleshoot each individual device. Internet Service Provider: Deciding on an internet service provider is an important task for setting up the network at the new location. The speed offered by the ISP is one of the important features to look over because it decides how quickly information flows in and out of the network. The reliable and security options offered by the ISP are other key considerations when deciding on an internet service provider. These features are important because they will dictate how well the business flows since the internet connection is a huge part of the business’s network. Verizon is a popular choice since they are known for offering a fast and reliable connection for businesses especially. With a 99.99% reliability rating and the use of fiber-optic cables, Verizon offers speeds up to 880 MBPS. Google fiber would be my second choice and they also offer a fiber-optic connection and speeds up to 2 gigabytes and a 99.99% reliability rating as well. Verizon offers ‘Business Internet Secure’ which is a suite of powerful security tools that combine antivirus software with internet security. Google fiber offers WPA2 encryption by default for security measures but, otherwise, do not have any other security options. I believe setting up a firewall can bypass this issue as google fiber offers a more reliable experience by offering more speeds for both uploads and downloads. I believe this is important because more speed will offer a more stable experience by

5 having enough speed to handle the approximately 50 employees using the internet all at once to complete their work tasks. Since there will be virtual conference calls, I believe the stability and speed that google fiber offers is better than Verizon so conference calls that require a webcam will be a smoother experience with little to no hiccups and lag situations during conference calls. This makes the choice clear that google fiber is the preferred ISP. Hardware and Software, Printer, and Bandwidth: The hardware required for the new location will be: A firewall to provide an important layer of protection for the business’s network, a router to provide the internet service from the ISP to the business, wireless access points for employees using wireless printers and laptops/desktops, computers for the employees to complete their work tasks on, switches to Hardware and Software, Printer, and Bandwidth: allow the devices connected to the network to communicate with each other and printers to print out work tasks since this is the main task for the business. Software that would meet the needs of the new location would be: a VPN client to ensure another important layer of protection by encrypting the device’s information being used by the employee including the IP address. An anti-virus software is also important for security to make sure the device is free of any malicious software. A video conference software is also needed (like zoom) to host the virtual conferences. A cloud server is an important feature for the network to allow employees to share information and their work with eachother remotely and seamlessly. I believe there should be more than one server for security purposes, dedicated for specific tasks. For example, there should be a server specifically for employees to connect to remote printers within the company’s private network

6 and access to that server should be limited to employees that are required to do the task of printing. Another server could be one that is used to pass information like tasks that are currently being worked on before they are printed out. This server should also have limited access to employees that are required to review the work before it is printed. I believe providing employees with a way to specify their security levels or what they can access is an important security feature that can be executed with the use of unique employee ID’s and passwords that will be used to login and connect to the business’s network. Network Diagram:

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7 References Google Fiber (2023) Keep your business up and running even faster . https://fiber.google.com/business/ ScalerTopics (NA). Transmission Modes in Computer Networks https://www.scaler.com/topics/computer-network/transmission-modes-computer-networks/ Verizon (2023) Business internet services and plans. https://www.verizon.com/business/products/internet/? cmp=knc:ggl:ac:wls:fwa:8883550349&utm_term=verizon%20business %20wifi&utm_medium=cpc&utm_source=google&utm_campaign=GGL_BND_BusinessIntern et_National_Exact&utm_content=BusinessInternetTestOptionQ12023&ds_cid=7170000010293 4281&ds_cid=&gclid=Cj0KCQjwib2mBhDWARIsAPZUn_liRo5Oal5Z9wG3sR- t87G7WFczOIUQUaU7hgq5JZoFyQrFvBtUZukaApWSEALw_wcB&gclsrc=aw.ds

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