CP5631 Networking Case Study-Scenario A major Australian data analytics company..

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CP5631 Assignment - Networking Case Study

CP5631 Assignment – Networking Case Study

Introduction

This case study has been divided into five components.

You are to design a network, research and source appropriate devices justifying choices (feasibility, efficiency, etc.), subnet the network, assign IP addresses to the appropriate devices, and write an executive summary for the project.

You will also be required to prepare proposal to use cloud computing, taking into security, performance and cost.

 

Note: This is not a group project. Each student must individually complete all parts of their submission.

Students must start with a new document and they must not have another person’s file in their possession at any time. Students may discuss the task with each other, but each student must write their assignment independently and not show their work to other students.

Deliverables

  1. A single Word document (.docx) – containing all parts

Assignment breakdown

Scenario

A major Australian data analytics company has asked you to assess and redesign their network. They are opening new branches in San Francisco and Osaka, which will require new equipment. They have existing contracts and hardware to maintain fibre optic leased line WAN links between sites.

PART 1 – Executive summary

PART 2 – Network diagram

PART 3 – Subnet the network and assign IP addresses to the appropriate devices

PART 4 – Research and source appropriate devices justifying choices (feasibility, efficiency, etc.) with a Weighted Scoring Model (WSM)

PART 5 – Cloud computing proposal

 

 

PART 1 – Executive summary

Describe the purpose, scope, and objectives of the project for each of parts 2, 3 and 4. Why is it important to produce a well-designed network diagram? What goals are you trying to achieve with the hardware you select for the procurement project?

  • Purpose
    The first thing you need to do when starting on a project is ask “why”? What problem are you trying to solve? Once you explicitly define the problem, it becomes easier to evaluate possible solutions.
  • Scope
    A project’s scope defines the outputs or deliverables of a project. What is the overall outcome of the project? How will the output of the project solve the problem? What features will the end result have?
  • Objectives
    The objectives are areas of focus of the project, and can be listed as discrete goals. Projects are usually constrained by an overall budget and time-frame. Objectives can break down the overall constraints of the project and apply them to individual aspects. Typically, good objectives follow the SMART principle, in that goals must be:

    • Specific – well-defined and clear output
    • Measurable – You know when the goal has been accomplished, or how much progress has been made
    • Attainable – Goals are realistic and can be achieved within the project’s constraints
    • Relevant – The goals are worthwhile and make sense in the context of the project
    • Time-bound – Goals should have a time limit

The executive summary should be well-articulated: clear, concise, and use correct spelling and grammar. The intended audience for the executive summary can be assumed to have basic technical knowledge, but are not networking experts. You should aim for 200 to 300 words.

PART 2 – Network specifications and diagram

Network Specifications

You have been given a rough sketch of the network topology below. You are to draw the network using Visio, subnet the network (see part 3), and assign port numbers and IP addresses to ports.

Network Structure

Hardware

  • Only include one switch in you diagram for each LAN or WLAN (even if more are required)
  • The Internet router port address is 104.200.16.26/30
  • The Seoul router is connected to the Internet, and provides access to the public backbone containing a web server and a database server.

 

PART 3 – Subnet the network using VLSM, and assign IP addresses to the appropriate devices.

Each location has the following number of hosts

Seoul, Seattle, and San Francisco (the cities that start with S) each include a wireless LAN for clients to use.

Location Workstations WLAN addresses
Seoul 400 30
Seattle 70 14
San Francisco 150 14
Osaka 50  
Hong Kong 80  
Vancouver 15  

 

Subnetting

Use VLSM to subnet the network topology using a public class B network. You are to use the table format below to provide the subnet details.

Table 1. Subnets (including WAN subnets)

Spreadsheet Columns:  Subnet name, subnet address, subnet mask (in slash format), first useable address, last useable address, broadcast address, static address range and DHCP address range (all addresses to be in dotted decimal notation)

Table 2. Router Interfaces

Spreadsheet Columns:  Location, interface, IP address, subnet mask (in slash format)

Table 3. Servers

Spreadsheet Columns:  Location, server name, IP address, subnet mask (in slash format)

Additional requirements:

  • Choose one public B class network address for the entire network and subnet this block of addresses to optimise spare addresses for future expansion.
  • Place the WAN subnets in the blocks directly following the LAN address space.
  • Add 100% to each subnet to allow for growth in the number of hosts specified for each LAN (i.e. workstations × 2). Do not allow for any growth in the number of servers or size of WLANs
  • DHCP will to be used for IP address allocation for hosts in each subnet and these ranges are to be allocated for each LAN.
  • Static IP addresses are to be allocated where appropriate.
  • The ISP has given us an IP address of 104.200.16.26/30 for our Internet connection at Seoul.

 

PART 4 – Research and source appropriate devices justifying choices (feasibility, efficiency, etc.)

You are to research and submit a project procurement plan for the San Francisco networks.

The devices you must include are routers, switches, and wireless access points. Make sure the devices you select can handle the number of workstations required at the site, and provide a good quality of service to wired and wireless users.

Your project plan and final recommendations should be based on a Weighted Decision Matrix (similar to the WDM you did in the Procurement Practical). You are to compare five (5) devices from each category and to base the decision on reasonable and well-justified attributes.

The budget for all procurement is $10,000. You may exceed this if you can justify it well.

Your project plan is to contain the following components:

Executive summary

  • Briefly describe the goals of the procurement plan

Weighted Decision Matrix – hardware resource requirements analysis

  • Include a written justification for priorities and attributes given in the matrix
  • Create your WDMs in Excel and copy and paste them into your Word doc

Budget

  • Create a well-presented table of the prices of all devices and the total cost
  • Include hardware only, not labour

PART 5 – Cloud computing proposal

You have been asked to prepare a proposal about how cloud computing could be used to reduce the company’s hardware, service, and energy costs. You are to consider the following three scenarios, and make a recommendation on which to choose:

  1. Replacing ALL workstations within the organisation with thin clients, which will access a desktop environment provided by a cloud service provider (e.g., Amazon or Alibaba).

 

  1. Replacing ALL workstations within the organisation with thin clients, which will access a desktop environment provided by a private cloud infrastructure, created in-house and based in Seoul.

 

  1. Continuing to use workstations.

The company’s current contract is $850 per workstation, per year, for hardware and service. On average, each workstation currently consumes 230 kWh per year of electricity. In making your recommendation, you should consider not just costs, but the security implications of moving to a cloud service.

Your proposal should not exceed 2000 words. You must provide citations for any references that you use.

 

 

 Marking Scheme

Ensure that you follow the processes and guidelines taught in class to produce high quality work. This assessment rubric provides you with the characteristics of exemplary, good, satisfactory, and unacceptable work in relation to task criteria

Criteria Exemplary 100% Good 80% Satisfactory 60% Limited 40% Very Limited 20% Absent 0%
Part 1 Executive Summary

Purpose, Scope, and Objectives

 

/15

 

Consistently logical and relevant articulation of the purpose, scope, and objectives of the project.

 

Suitable for a semi-technical audience.

 

Generally logical and relevant purpose, scope, and objectives of the project, aimed at a semi-technical audience.

 

Generally suitable for a semi-technical audience.

Presents reasonable articulation of the purpose, scope, and objectives of the project.

 

 

Provides basic articulation of purpose, scope, or objectives. Executive summary contains some relevant articulation of purpose, scope or objectives. Incomprehensible executive summary, negligible attempt, or not done.
Quality of Writing

/5

1.        Well-structured into paragraphs.

2.        Correct grammar.

3.        Correct spelling.

 

Most of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Under half of the criteria are satisfactory (See criteria under “exemplary”) or significant issues in some areas. Attempt at executive summary, but contains many significant issues with grammar, spelling. Negligible attempt or not done.
Part 2 Topology Design

Diagram appearance

 

/10

1.        Created in MS Visio using Cisco icon set, and the diagram is:

2.        Neat and Professional

3.        All lines at set angles (multiples of 30, 45, 90 degrees)

4.        Lines do not end short

5.        Lines do not appear over the top of devices

6.        Lines align if on same level

Most of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Under half of the criteria are satisfactory (See criteria under “exemplary”) or significant issues in some areas. Many problems (e.g. not done in Visio, inconsistent formatting, diagram does not align to subnetting scheme, etc). Negligible attempt or not done.
Diagram Labels and Devices

 

/10

Topology is accurate and the diagram

1.        Includes device names

2.        Interface names

3.        Interface IP addresses

4.        Masks in slash format

5.        Text neatly placed and sized

Most of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Under half of the criteria are satisfactory (See criteria under “exemplary”) or significant issues in some areas. Many problems (e.g. topology is inaccurate; devices are not named, etc). Negligible attempt or not done.
Part 3 Subnetting

Scheme

/10

1.        LANs and WLANs are the correct size.

2.        All required LANs and WLANs are documented.

3.        WANs are the correct size.

4.        All required WANs are documented.

Most of the criteria are satisfactory (See criteria under “exemplary”) but one or two minor issues, such as a missing LAN, or incorrect address block choice. Most of the criteria are satisfactory (See criteria under “exemplary”) but several minor issues (e.g multiple missing LANs or WANs) or a significant issue such as incorrect size. Some LANs and WANs are documented.

 

Sizes are correct, or at least not outlandishly incorrect.

Few LANs and WANs are correctly identified.

 

Nonsensical subnet size chosen.

Negligible attempt or not done.
Subnet Tables

/10

Based on the chosen subnetting scheme, the following specifications are available and correct for LANs and WLANs table, and WANs table:

1.        Subnet address

2.        Subnet mask

3.        Broadcast address

4.        First usable address

5.        Static address range (LANs and WLANs only)

6.        DHCP address range (LANs and WLANs only)

 

Most of the criteria are satisfactory (See criteria under “exemplary”) but some minor lapses. Most of the criteria are satisfactory (See criteria under “exemplary”) but several minor issues, or a significant issue such as missing a column. Tables are presented and contain most of the correct columns, and some correct entries. Tables are presented, but contain major issues such as impossible subnet bounds. Tables are incomprehensible, or negligible attempt, or not done.
Router Table

/10

Based on the chosen subnetting scheme, the following specifications are available and correct in the router interface table:

1.        Location

2.        Interface

3.        IP address

4.        Subnet mask

 

 

Most of the criteria are satisfactory (See criteria under “exemplary”) but a few minor issues or missing interfaces. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Table is presented, but contains several significant errors such as mismatched IP addresses or missing columns. Table is presented, but generally incomplete or incorrect. Table is incomprehensible, or negligible attempt, or not done.
Server Table

/5

Based on the chosen subnetting scheme, the following specifications are available and correct in the server table:

1.        Location

2.        Name

3.        IP address

4.        Subnet mask

 

Most of the criteria are satisfactory (See criteria under “exemplary”) but a few minor issues. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Table is presented, but contains several significant errors such as mismatched IP addresses or missing columns. Table is presented, but generally incomplete or incorrect. Table is incomprehensible, or negligible attempt, or not done.
Part 4 – Procurement

Weighted Decision Matrices

/30

1.        All required WDMs available.

2.        WDMs have been formatted as per the practical example

3.        Clear, concise, and reasonable justifications for priorities and attributes given in the matrix.

4.        Appropriate hardware choices.

As per “exemplary”, but some minor lapses. As per “exemplary”, but several minor lapses, or some significant issues, such missing WDMs, formatting issues, some poor justifications, or some inappropriate hardware choices. Some WDMs are available, but justifications are generally poor, and hardware choices generally inappropriate. Major issues with WDMs, justifications, and hardware choices. Negligible attempt, nonsensical, or not done.

 

Budget

 

/10

Professional, detailed, accurate, and visually appealing. As per “exemplary”, but some minor lapses. Generally accurate and visually appealing. Several inaccuracies. Generally inaccurate. Negligible attempt or not done.
Part 5 – Cloud computing proposal

 

Analysis

 

/20

Insightful evaluation and comparison of the three scenarios based on highly relevant factors and literature. Recommendation is clear and very well justified. Considered and accurate evaluation and comparison of the three scenarios based on relevant factors and literature. Recommendation is clear and well justified. Basic and accurate evaluation and comparison of the three scenarios based on some relevant factors and literature. Recommendation is somewhat clear and justified. Evaluation of scenarios includes significant inaccuracies or irrelevant factors. Recommendation is unclear or inadequately justified. Fails to meaningfully evaluate the scenarios, or provide a coherent recommendation. Negligible attempt or not done.
Writing and Referencing

 

/10

1.        Well-structured into sections and paragraphs.

2.        Correct grammar.

3.        Correct spelling.

4.        Correct referencing according to APA style.

 

Most of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Over half of the criteria are satisfactory (See criteria under “exemplary”) but some minor issues. Under half of the criteria are satisfactory (See criteria under “exemplary”) or significant issues in some areas. Readability is severely impeded by poor structure, spelling, or grammar. Negligible attempt or not done.
Overall Document

Document and Submission

 

/5

 

Submission is a single Word document divided into sections as outlined.

 

        Incorrect submission.
Formatting

 

/15

Consistent and readable use of fonts.

 

All tables are consistently neat and easy to read.

Consistent and readable use of fonts.

 

Tables are generally neat and readable.

Mostly consistent and readable use of fonts.

 

Tables are somewhat neat and readable.

Inconsistent use of fonts, or inappropriate choice.

 

Some tables are messy or difficult to read.

Poor use of fonts.

 

Several tables are missing or very poorly formatted.

Incomprehensible formatting, or most content missing.