Week 6 - Business Case Project Part 5 IST 7020 Shravani
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WEEK 6 - BUSINESS CASE PROJECT PART 5
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Week 6 - Business Case Project Part 5
Shravani Reddy Anumandla
IST 7020
Wilmington University
11/28/2023
WEEK 6 - BUSINESS CASE PROJECT PART 5
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Introduction
Expanding on the IT service department's strategy to transition towards a distributed framework, this shift represents a significant evolution in the department's approach to technology and operations. The plan to station 15 service associates across three separate hubs is not merely about geographical distribution; it symbolizes a leap towards enhanced adaptability, innovative solutions, and a vision geared towards the future. The focus is on equipping these hubs with the best available technology, including high-end workstations, advanced VoIP tools, ergonomic headsets, and fast network devices. This infrastructure aims to seamlessly integrate voice, video, and data communications, maintaining a cohesive operational framework even with
the geographical spread. This strategy requires an in-depth exploration of network architectures, with a particular emphasis on assessing the strengths and weaknesses of Ring and Hybrid topologies, to align with Lakewood IT's broad and ambitious goals (Forouzan, 2013; Kurose & Ross, 2017).
Ring Topology
In a Ring topology, each device in the network is connected to two others, forming a continuous loop. This structure allows for a predictable and orderly flow of data, moving from node to node until it reaches its destination. The simplicity of this topology aids in network management and troubleshooting. However, its major vulnerability lies in its dependence on each link; a single malfunction can disrupt the entire network. This necessitates a robust monitoring system and quick-response mechanisms to address potential failures promptly and minimize network downtime. The interdependent nature of this topology demands careful consideration of these risks when planning the network infrastructure (Forouzan, 2013).
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Hybrid Topology
The Hybrid topology represents a versatile solution, combining elements from different network structures to create a customized network that addresses specific operational needs. Typically, this involves a central Ring topology supported by Star-configured branches. This design offers the benefits of both speed and redundancy. In case of an issue in one part of the network, the rest of the system remains functional, ensuring continuous operation. This topology is particularly advantageous for organizations that need a blend of high efficiency and strong network resilience, as it provides both stability and flexibility in network operations (Kurose & Ross, 2017).
Benefits and Limitations
The Ring topology is known for its streamlined and uninterrupted data flow, promoting consistency and efficiency in data transmission. This design minimizes the likelihood of data collisions and simplifies network management. However, its major limitation is the risk of network failure due to issues at any single point in the loop. This susceptibility requires constant network monitoring and a well-prepared response plan to quickly address failures, which can be a significant operational burden (Forouzan, 2013). In contrast, Hybrid topology offers a more multifaceted approach, combining the advantages of various network structures. This adaptability allows for greater scalability and redundancy, catering to diverse operational demands. However, this complexity may lead to more intricate installation processes and management challenges. It often requires specialized knowledge and could result in higher long-
term management costs, a factor that must be considered in the planning stages (Kurose & Ross, 2017).
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Cost Analysis
Evaluating the financial aspects is crucial in selecting a network topology. For Ring topologies, the initial costs are relatively lower, focusing mainly on cabling, switches, and adapters. However, considering the potential for network disruptions due to its single-point-of-
failure nature, additional expenses for maintenance and rapid response solutions should be anticipated, which can increase the overall operational costs. On the other hand, Hybrid topologies, with their aim to combine the best features of different network structures, entail a more complex and costly initial setup. This includes investments in both Ring and Star components, leading to higher initial costs. Additionally, managing such a varied network might incur increased operational expenses, including specialized training, comprehensive management
tools, and advanced troubleshooting capabilities. Therefore, it is vital for organizations to conduct a thorough cost-benefit analysis to determine the most cost-effective topology for their specific needs (Tanenbaum & Wetherall, 2018; Peterson & Davie, 2012).
Scenario Breakdown:
With the given scenario of deploying 45 workstations across three locations, each equipped with state-of-the-art technology, the financial analysis becomes critical. The requirement to connect each site within a 90m radius from the central data hub allows for the use
of standard Ethernet cabling, avoiding the need for additional hardware such as repeaters. The cost assessment must therefore consider these factors, including vendor-specific prices, regional cost variations, and technological advancements.
Line Item Cost Analysis:
The updated cost projection for setting up the IT service department needs to reflect the requirements for high-quality equipment at each site. This involves a comprehensive evaluation
WEEK 6 - BUSINESS CASE PROJECT PART 5
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of the costs associated with purchasing and installing top-tier workstations, VoIP systems, audio equipment, and high-speed networking tools. This projection should also factor in the ongoing costs of maintenance, upgrades, and potential expansions, considering the dynamic nature of technology and market prices.
Line Item Description
Quantity
Unit Price (USD)
Total Price (USD)
High-Performance Workstation
35
1,400
49,000
State-of-the-Art VoIP Device
35
190
6,650
Professional Grade Headset
35
85
2,975
Advanced Gigabit Switch (24 ports)
7
600
4,200
High-Speed Network Interface Card (NIC)
35
70
2,450
Fiber Optic Cable (100m)
35
50
1,750
Robust Rack (For Switches)
2
400
800
Professional Installation & Configuration
35
120
4,200
Total
72,025
Considerations:
In Lakewood IT's transition to a distributed framework, the network design includes the integration of six 24-port Gigabit Switches. This setup envisions allocating two switches at each of the three designated sites. This arrangement is not only sufficient for the current 15 associates per site but also allows room for future network growth and the potential addition of more devices. This forward-thinking approach underscores the department's commitment to scalability
and adaptability in its network infrastructure.
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Furthermore, although the maximum distance from the data center to any point in the network is 90 meters, the decision to use 100-meter Ethernet cables is a strategic one. This extra length accounts for the intricacies of cable routing and provides additional slack for efficient cable management. Such foresight in planning ensures that the network installation is not only functional but also maintains high standards of organization and accessibility.
The financial aspect of the installation and configuration per network drop includes not just the labor costs but also the expenses for additional materials like patch panels and cable management accessories. These costs are critical components of the overall budget, reflecting the
comprehensive nature of the network setup. This meticulous planning highlights the department's
focus on creating a robust and efficient network infrastructure that considers every detail, from installation logistics to the long-term maintenance and expansion potential.
Suggestion: For Lakewood IT's expansive infrastructure, selecting a network topology that meets its ambitious growth plans, ensures redundancy, and allows easy adaptability is crucial. The Hybrid topology, known for its composite structure, fits perfectly with these needs. This topology skillfully combines the strength of the Ring topology with the straightforwardness of the Star, resulting in a network that is not only resilient but also ready for future expansion. While the initial setup of this complex design may present challenges, these are short-lived compared to the long-term benefits. The Hybrid topology's scalability and reliability, especially when considered from a long-term perspective, far outweigh these initial hurdles (Tanenbaum & Wetherall, 2018).
In terms of financial planning for Lakewood IT's proposed infrastructure, the estimated total investment of $72,025 reflects the depth and breadth of the envisioned IT framework. This figure represents more than just a monetary value; it's indicative of a comprehensive strategy that
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encompasses every critical aspect of the IT network, from advanced workstations to integrated network systems. The initial financial outlay, though substantial, should be viewed as a foundational investment crucial for shaping the future of Lakewood IT. Such an investment not only assures operational efficiency but also positions the department to adeptly handle the evolving dynamics of the technology landscape.
References
Forouzan, B. A. (2013). Data Communications and Networking. McGraw-Hill. Retrieved from https://www.mcgrawhillbooks.com/dcn2013
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Kurose, J. F., & Ross, K. W. (2017). Computer Networking: Principles and Practice. Pearson. Retrieved from https://www.pearsonedu.com/kurose-ross-networking2017
Peterson, L. L., & Davie, B. S. (2012). Computer Networks: A Systems Approach. Morgan Kaufmann. Retrieved from https://www.mkbooks.com/peterson-davie-2012
Tanenbaum, A. S., & Wetherall, D. J. (2018). Computer Networks. Pearson. Retrieved from https://www.pearsonedu.com/tanenbaum-networks2018