BN321 Advanced Network Design Assignment - Network Requirement Analysis and Design, Melbourne Institute of Technology, Australia
Purpose - After successful completion of this assignment, students should be able to:
- Apply concepts and theories of human factors as related to network design and implementation.
- Compare performance metrics and dimensions according to specifications.
Objectives: ABC is a small IT Support business under development. You have been hired as an IT administrator to design and implement the office IT infrastructure and provide a full IT solution. It is understood that the ABC intend to go with the latest IT technology however, reasonable budget and expending is highly recommended.
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Task - You are required to provide a full IT proposal which include two Tasks:
Task 1: Gather (user, application, device and network requirements) with the help of different techniques such as Interview, questionnaire, etc. Give sample of these requirements and the techniques which have been used to collect these data.
Task 2: Based on the requirements identified at Task1, design a WAN structure for the ABC showing full devices such as routers, switches, links, etc. by Using a relevant network designing software. Draw a diagram to illustrate your high level design
Determine the Network Addresses by using the subnet 192.168.P.0/24, where P is your group number. You also need to use VLSM technique, subnet both networks and allow 30% for possible future expansion.
You need to explain the technical Aspects for the choosing devices such routers, switches, hubs, Aps, cables, servers ,etc.
Answer - Advanced network design
Introduction-: in this assignment, I am working as an IT consultant for the Excelfior Ltd which is a Melbourne based company that works in hosting, designing for the corporate websites. There is an issue with this company, their network which they are using at the moment is old and they need to upgrade. They also have a security issue with the network. So, I am working for them to upgrade the network and giving consultation to managing and secure the system. As an IT consultant, I need to provide the latest technology and upgrades which can be used for next 6 to 7 years.
To provide latest technology and upgrade, I need to know about the requirements, so I have discussed the requirements in the lab class with our lecturer Mr. Naveed Dilber on 18th of September.
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Techniques of gathering the questions-:
In the class , our lecturer has made a group of 4 guys and gave a basic idea of the requirements that may company needs like size of the office , departments , what kind of they want to save in the severs , project timelines , backup, hardware's and what kind of software should be used.
Collecting requirements-:
As per discussion, I have gathered the requirements-;
User requirements-: Excelfior Company needs 24x7 business access. The size of the offices is 2000 meter and there are 2 floor and have only one building. There are 5 departments and total 50 of the employee's works there, 30 of them are full time staff and 20 of them working in different shift. They need a security and whole area authorization access. The budget is almost 50,000-60,000 dollars. Employee's number can be increased at a 10 in the next 3 or 4 years.
Devices-: they need printer with the internet access and 5 servers in total, 3 of them they are using and 2 of them are for backup. They also need the use of phones, headphones and camera for surveillance the whole building. Laptop they need not desktop required. They are also looking for smart card for the authorization of the person in the building.
Application requirements-: as per discussion on application requirements, I have got to know that they need trusted application like Microsoft and Norton security. Time of backup, and the application which are affordable for the company not much costly. Cloud services and also need an access by home.
Network requirements-: they need the whole building with the wireless access and need access points in the lobby. The client is also looking for the usage of fiber optic cables to the fast internet and need the data at the rate of 10 gigabits per second. They also need an access of the cloud service for using the application online and also need Ethernet connection at a help desk computer and lab computer.
Hardware requirements
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laptop
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I have recommended 20 laptops Hp pavilion x360 with 14 inches of screen and its 2 in 1 which means its touch screen as well. it has core i5 processor and 1Tb of hardisk and 8GB of RAM. Supports Bluetooth, intel graphics, 4 USB ports
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Server
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I have used PowerEdge R530 Rack Server of dell company which supports data storage and mail storage. 2nd server
18RU 600mm Deep x 600mm Wide Server Rack Cabinet which supports authentication
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firewalls
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Firebox T-10 it supports wireless connection as well
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printer
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Epson TM-T82i printer which supports Wi-Fi
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Wi-Fi
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Two Wi-Fi ASUS AC1300 Dual Band Wi-Fi Router
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Access points
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MU-MIMO Wireless access points that from 5th series.
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switches
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I have equipped 3 switches supports wireless connection and its model is Cisco-SGE2000
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cables
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Ethernet cables and fiber optic cable. Cat6 which supports 10 gb of data and fibre cable Cisco SFP-10G-AOC1M Compatible
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workstations
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I have recommended 3 hp desktops which costs around 6000 dollars
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Devices and manufactured details-
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Device name
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Manufacturer
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Model
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series
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Ports
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Switch
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Cisco
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SGE2000
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3rd
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24
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Router
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Cisco
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819 ISR
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2nd
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3
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Ethernet hub
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Top- link
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Tl-sf100
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5D
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5
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Access point
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MU-MIMO Wireless
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DAP-1665
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5th
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1
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Device
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Descriptions
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RAM
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Hard Disk
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O S
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Server
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HP ML350G9 of 9th generation
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8Gb RDIMM
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15 TB
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W S 2012
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Workstation
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Hp Intel Core I3- C36H HD3
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4 Gab DDR -3
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450 Gb
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Windows 8
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Software requirements
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Windows server 2016
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It helps in access the wide range of software's, web applications, virtualizations. It has multiple layer which lower the risk of harmful attack
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Anti-virus
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Mac-free antivirus is recommended in each laptop and avast security in desktops
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MS-office
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Trusted products are being used that comes from the Microsoft and I have recommended MS word 2018 for the access of each employee in the building.
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Budget
Total 60,000 dollars
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Devices
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Total costs
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Server/ backup server
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2000+1000 = 3000 dollar
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switches
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3x90= 180
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Cables
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300+700= 1000
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Router , access points, antivirus and MS office costs up to
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5,000
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Workstation , firewalls and printer costs up to
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9000
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Laptop price
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1100x 20 =22,000
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total
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52,000
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Network performance metrics
In this network, we will provide more bandwidth so, the amount data which is send will not get stuck in its way. The more bandwidth, the more data will be gone. Jitter means when the packet goes from the sender and receives at receiver the time between in it. The delay will be less in packets so, everyone will works faster. There will be less packet loss in the system and the utilization of the system will be better.
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Diagram of the network
So according to the requirements, I have to provide them the latest network technology which could be used for three or four more years further. There are two floors first floor and ground floor. It's divided into five departments. Each department I have used access points to cover almost the building area with the internet connection. In the helpdesk department, I have used Ethernet network and in the lab as well. I have used the five server which are interconnected each other. Two of them are backup server as I have explained above. These all are interconnected with the wireless switches and cloud computing is being used as per the requirement. Red thing up there in the diagram is firewall. With the help of internet the whole connection works. The wireless printer is also connected in the left side of the upper corner. As the departments, I have given the names over there in diagram.
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