COIT20264 Network Design Assignment Help

COIT20264 Network Design Assignment Help

COIT20264 Network Design Assignment Help

Project Goal

The main purpose of this infrastructure development is to fulfill the demands of the A4A NGO organization. This will help in providing the education services to the different universities and colleges with the use of the today’s IT network. The main aim of this network design is to minimize the cost of the audio and video streaming of the multimedia application which will be used by the organization to the server its services. The IT Network infrastructure is the best way for providing these services from a remote location. So some of the main aims of the projects are given below.

1.Reduce Education Service Cost– As we know the traditional way of providing the services are very high. And also the fee of the universities and colleges are increasing day by day. So it becomes very hard for the institute to stay competitive and provide quality services. This will help in serving the quality of education.

2.Low Cost– The cost of owning these type of services are very low for institutes around the world. And they can get the highest qualified member through this infrastructure.

3.24x7 Connectivity – The project application will stay up 24x7 so there is no time restriction for the institute and their students so they can easily get the services and resources at any time on the internet.

4. The education services will produce a large amount of data these data need to be stored in the storage servers and also the data will be accessed by all type of users. So these data must be available for use at all time.

5.Every data center requires the backup and restore services. So appropriate resources must be installed to keep the system up even when a failure occurs due to any circumstances.

6.The network infrastructure must be flexible to adopt any new technology implementation in the infrastructure. And ready to upgrade to the new desired of the organization with increasing any unintentional cost.

7.Since the failures are the part of day today network activity so fixing the issue in the planned SLA is necessary for the organization.

COIT20264 Network Design Assignment Help

Project Scope

A4A organization is the small organization with very little strength of the employee. The 6 of the employee are located in the head branch which is situated in the Sydney city which manages most of the business for the entire organization. The other 4 employees is in the remote branch located in the Singapore city. This branch handles all the business in the Asia region. The organization is still in its early stage of developing their infrastructure will be according to the current and future requirement of the Institute for their services.

Project scope is the critical part of the infrastructure development. Because it will take a lot of time to return the invested money in the created infrastructure. If the business model fails due any of the poor planning in the recognizing the scope and demand to the future requirement. The entire project will fall into jeopardy.

Right now the main scope of the project is the infrastructure which will provide the basic necessity for the requirement including the connectivity between both the offices for efficient services and management of the project. The infrastructure must provide the quality connection to the different institutes located all over the world.

The main focus of the business is given below.

1.Network application which will use the audio and streaming services for required education services in the infrastructure.

2.Good WAN connectivity with the internet and also redundant. The network services will take a huge amount of the internet traffic for serving various services to the customer including the member and institutes.

3.24x7 availability of the implemented project

Right now the organization has three main departments to deal with within the infrastructure with this implementation and they are as follows.

1.Member Registration– The member registration is the most important part of the infrastructure as they will be providing all the quality services to the customer around the world.

2.Institute Registration and fee collection process – This department must be handled carefully because the trust of the institutes are very important. As they are investing  money so they will be able to get the required services and subscription.

3.Education Service – The education services is fully dependent on the internet. As all the services are provided virtually. As the institute will be expecting the quality content for the student. This will provide the good knowledge experience to the institute and their student at the end when they are getting out of the institute.

The network infrastructure will contains the following facility in order to meet the scope of the required infrastructure.

1.Network infrastructure must know all the requirements of the customer with their implemented application facility to provide rightful service.

2.The network design is distributed infrastructure between two officers. This will help in keeping the service 24x7 even in the time of the network and hardware failure. And also manage to run the services in natural disasters.

3.All the member will able to connect the IT application of the infrastructure to serve their required responsibility for the services.

4.It will also help in gather all the required information for further development of the need according to the consumer.

5.All the networking services will update date to the latest version. So to sort out any bug and issue in the existing version of the implemented software.

Design Requirements

This is the most important part of the network infrastructure development due to this the network administrator and design analyst can easily validate the required resources for the design proposal. As the network infrastructure is distributed among the two offices so it will become crucial to managing all the implemented resources during the design phase.

Business Goals and Constraints

The needof the business is the important part after all everything is dependent on it for revenue to service quality. And some of the important points are discussed below.

1.Deliver quality education to the customer around the world in different universities and colleges.

2.To provide the online application for the member to register themselves to qualify according to the need for services.

3.Provide user-friendly mechanism for the customer to register their account for student and itself. And also able to pay the subscription fee to the A4A organization

4.Minimize the delay in service providing from member end. As they will be providing the services to the institutes.

5.Better network and transaction facility for the A4A organization to manage their financial information and data.

6.Smooth service delivery with the high quality of the network facility available.

7.All customers to give review how the service can be improved for the future services for the students good.

Constraints

1.There are no specific budget criteria set for the deployment of the service for different part of the A4A organization.

2.The size of the organization is small and the growth can’t be predicted for flexible network setup design.

3.Deployment and design issue as there is not much information is provided for the setup regarding different part of the network.

4.Legal constraints for the copyright material for the provided services during the service delivery.

5.Training issue because the sufficient amount of training needs to be given to all the employee and members of the organization to operate the business model.

Technical Goals and Tradeoffs

Implementation of the network infrastructure will comprise of various goals and tradeoffs. The organization needs to address this in order to maintain and provide their services to the customer. And some of the important goals are as follows.

1.Availability:This will the crucial part in the service delivery for providing the service to the customer

2.Security:The network security is important to protect the internal infrastructure and it can also hamper the services if not taken care efficiently.

3.Affordability:This needs to be clarified because the affordability is the major part of this project.

4.Performance:This need to be tackled carefully any increase in load must not create an issue in performance for rest of the services in the infrastructure.

5.Manageability:This need to be taken care of as the services are handled by the organization employee and they are already less in their early stages.

6.Scalability:The infrastructure must be scalable according to the need.

7.Usability:The good application has to be implemented in order to provide the good user and administration experience to the respective users.

These technical goals are listed below according to their tradeoff importance.

Sr. No.

Technical goals

Trade-off

1.

Availability

35

2.

Security

25

3.

Affordability

20

4.

Performance

20

5.

Manageability

10

6.

Scalability

20

7.

Usability

25

User Communities and Network Applications

The infrastructure development will have various software and hardware resources which are managed by the number of users. And keep the track of this proper knowledge of the infrastructure and application requirement is necessary. The services will include the following

1.The application will provide the education services to the student through the network infrastructure of the institute and A4A.

2.The proprietary system will be used which will keep track of all the provided data and information to the customer. As they are all the copyrighted part of the A4A organization.

3.This application will keep track of each and every necessary requirement from time management to study material.

4.The network customer will able to solve their issue with support service of the A4A infrastructure.

User Community

The users will in the end operating and using the services of the A4A infrastructure in the end. So the trace of each type of user and their requirements are necessary. Because the priorities are set according to their importance in the application services. So all the requirement and details of all types of user in the infrastructure are as follows.

Sr. No.

User Community

Number of Users

Location

Application

1.

Employee

10 and will grow in the future requirement.

Singapore and Sydney

Web Servers, Email, FTP, TFTP and etc.

2.

Member

The requirement can’t be predicted but they are more than that of the employee size.

All around the world

Web Server, Email

3.

Institute

100 or more according to services of the organization

All around the world

Web Servers, Email, FTP

4.

Student

They will be more than 1000

All around the world

Web Servers, Email, FTP

5.

Network Administrator

4 or more

Sydney

Web Server, Email and etc. According to the requirement

Network Applications

All the network and server application which will be running inside the A4A organization infrastructure are given below in the table.

Sr. No.

Application

User Communities

Protocol

Traffic Flow

Bandwidth

QoS

1.

Email

All Users

TCP

Client – Server

1024 Kbps

Required

2.

Member Registration

Members

TCP

Client – Server

512 Kbps

Required

3.

Education Service

Institute, Members and Student

HTTP

Client – Server

2048 Kbps

Required

4.

Institute registration and fee management

Institute

HTTP

Client – Server

1024 Kbps

Required

5.

Training Application using audio and video streaming

All

UDP

Client – Server

4096 Kbps

Not Required

6.

Payroll

A4A, Members

HTTP

Client – Server

2048 Kbps

Required

Hardware Resource

Hardware resource planning will provide a way through which the network and system administrator can decide which part is critical for the system implementation and which part is not. Now the hardware planning also comprises of the 40 – 60% of the total implementation cost of the whole project so it will become necessary for the architecture developer to choose the component wisely. So the minimum required sources for both the offices are given below

1.Sydney City Office

a.Network Devices Required

1.Router – 1

2.L3 Switch – 1

3.L2 Switch – 3

4.Firewall -1

5.Server Required

6.Inside Zone – 3

7.De-Militarized Zone– 3

8.Desktop Required

9.LAN Office - 6

2.Singapore

a.Network Devices Required

1.Router – 1

2.L3 – Switch – 1

3.L2 – Switch – 3

4.Firewall -1

5.Server Required

6.Inside Zone – 2

7.De-Militarized Zone – 2

8.Workstation

9.LAN Office - 4

Software Resource

The network infrastructure development requires most of the system and application software including the Operating System which is needed to be deployed over various servers and the workstations. Now, these resources needed to create the basic infrastructure to start operation in the developed infrastructure. So the required tools for both offices are given below.

1.Server

1.OS:Windows/Linux Server

2.Antivirus

3.Anti-Malware

4.Required tools for application and services.

2.Workstation

1.OS : Windows / Ubuntu

2.Antivirus

3.Anti-Malware

4.And etc.

There are some of the important and basic necessity of network infrastructure to manage the hardware and software resources. And they help in providing the management and monitoring grip on the entire infrastructure. Some of the basic services are as follows.

1.DHCP Server

2.Mail Server

3.Web Server

4.FTP Server

5.DNS Server

6.AD Server

And this list goes on. The final requirement can only be given after the approval this proposal report.

Assumptions

Every information required can’t be obtained from the client who wants the infrastructure deployed and running without any issue according to their needs. The sometime client can’t able to mention the required details.

So there is a certain assumption is required to design the required setup. And some of the assumptions is as follows.

1.There is the requirement of the server for two purposes first one is the inside zone setup and the other one is the application setup which will provide the services.

2.All the network must be user-friendly so the user will able to connect their personal devices to the existing infrastructure. So the proper security is required for these devices.

3.A numberof the user may be limited to 10 in the A4A organization. But the users which will use the services are quite high.

4.Backup services are needed to ensure the safety and security of the data produced while providing the services to the institutes.

5.Redundancy is required to provide the fail-proof setup in the time of any network or hardware collapse.

6.Security devices will be needed to protect the infrastructure from any types of threat.

7.The training will be required for the employee of the A4A organization to understand how the system will work.

8.IT management team is required to monitor the system services 24x7.

Logical Network Design

The basic logical network design for the A4A organization and other necessary details are given below

Logical Network Diagram

COIT20264 Network Design Assignment Help

Figure:The logical network diagram for entire infrastructure

IP Addressing

It is the most important part of the network infrastructure planning. As this is the key role in designing phase. The good IP addressing will not require updating the addressing scheme as the network grows. Now changing the IP addressing with growing network is not a good idea in the practical world. Because it will require to huge configuration update in the existing setup. This might interrupt the services of the organization. Now the organization setup is not very large for this we will implement the Class C Private IPv4 addressing solution for the infrastructure. So the initial IP addressing scheme of the offices are given below.

Sydney Office

The IPv4 addressing scheme of this offices is given below in the table.

Sr. No.

Zone

Purpose

Network

1.

Inside Server Zone

It will keep that server which will contain crucial information. And also this server will provide necessary infrastructure support for the A4A Organization

192.168.110.0/24

2.

DE-MILITARIZED ZONE Server

It will have all the internet facing server. Which provides the A4A organization services to the member and institutes

192.168.120.0/24

3.

Employee LAN Zone

This part of the network contains all the desktop machine for the organization employee

192.168.130.0/24

Singapore Office

The IPv4 addressing scheme of this offices is given below in the table.

Sr. No.

Zone

Purpose

Network

1.

Inside Server Zone

This network part also contains the similar server as in the Sydney office. But it will also provide redundancy and failure support at the time of actual hardware failure and disaster.

192.168.220.0/24

2.

DE-MILITARIZED ZONE  Server

This will provide the redundancy and load balancing of the services of the organization. By dividing the work into two regions. If anyone fails the traffic will switch to other location and the continuity is maintained

192.168.220.0/24

3.

Employee LAN Zone

This part of the network contains all the desktop machine for the organization employee

192.168.230.0/24

Device Naming Convention

The naming convention helps the employee and the infrastructure development team to know which device belongs to which of the network. The good naming convention also helps in determining the issue early and ease the process of troubleshooting which in turn saves a lot of the time for the employee. The naming of devices also helps the administrator to know the actual location of the device. So the naming convention of both the offices is given below.

1.Sydney Office

The naming convention of the different devices is given below.

1.Router – SDYIR

2.L3 Switch – SDYL3

3.L2 Switch – SDYINSIDE, SDYDMZ and SDYLAN

4.Firewall – SDYFW

5.Desktop – SDYD1,….SDYD6

2.Singapore Office

The naming convention of the different devices is given below.

1.Router – SGPIR

2.L3 Switch – SGPL3

3.L2 Switch – SGPINSIDE, SGPDMZ and SGPLAN

4.Firewall – SGPFW

5.Desktop – SGPD1,….SGPD6

Explanation and justification of your logical design

The logical network diagram of the A4A organization is looking similar to all the other network design. But there are major differences like the both offices are also connected to each other using the same internet network.

1.All the traffic are handled by both the office's data center.

2.The traffic will be diverted towards that office which is nearer to the institute. And this will reduce the latency problem.

3.The traffic will be diverted to another office if any failure occurs in any of the data centers including hardware and software.

4.DE-MILITARIZED ZONE will handle all the request from the internet and provide the services to the user situated around the world.

5.The router will have dual ISP link to support the redundancy in the time of internet link failure. This will be included in the later upgrade.

6.NAT is used to provide internet access to the internal users

Justification

The RIP routing protocol is used to provide the communication in the internal network. As the network is already very small so it won’t be requiring any huge routing protocol like eigrp or ospf. The internet router will be using the BGP protocol to router the traffic according. And provide the efficient way of processing the internet traffic in order to maintain the QoS. The server is put in two regions DE-MILITARIZED ZONE  or the Inside Zone. The inside zone is heavily secured by the network device as they will be keeping the crucial information for the organization. And DE-MILITARIZED ZONE  is not very secure for the internal use only as they are directly connected to the public network.

Network Protocol

All the communication are dependent on the communication protocol which is defined by the internet and networking standardization team. So the networking protocol which is used in creating this network infrastructure and providing the communication among different parts of the network are as follows.

All the protocol which are required are as follows

1.Routing

a.Brder Gateway Protocol (BGP)

b.Ruting Information Protocol (RIP)

2.Switching

a.VLAN

b.Spanning Tree Prtocol (STP)

c.Virtual Trunking Prtocol (VTP)

3.Security Protocol

a.IP Security Prtocol

Network Security

It is the most important part of the infrastructure development. As most of the time stability and safety of the IT network infrastructure are dependent on network security. And it also helps in protecting all types of threat external as well as internal which can create any type of attack on the network and can disrupt the services of the A4A organization.

So the technology and policies which are used in order to protect the network and its services are as follows.

1.Network infrastructure usage policy for each employee for better management and security purpose.

2.The password usage and creation policy for the user

3.Firewall for the access management between different network parts of the infrastructure

4.Layer – 2 Security for protecting the internal network switch

5.Centralized user authentication and user management system for better sight of the network activity.

Physical Network Design

It is the crucial part as it will help in implementing the actual network setup in the organization data centers. The main part of the network architecture proposal is the designing part. This part will help the A4A NGO organization to understand how the network infrastructure will look like in the actually implemented setup. And also it will help in removing all the issues in the initial network design related to the services of the NGO organization. And provide better services support to the education services. Now there are total only 10 employees 6 of them are located in the Sydney office and other 4 are located in the Singapore office.

Network architectural diagram for both the offices is given below.

Sydney Network Setup

As we already know this network part will host at most 6 users excluding the administration part. So there will be three zones in the network and they mentioned below.

1.Inside Zone: This part of the network contains all the necessary server which manages the whole operation of other organization and some crucial data of the A4A NGO.

2.De-Militarized Zone: This part of the network will have all the servers which are directly connected to the internet. As they provide the required educational services to the education institutes around the world in a different region.

3.Employee LAN Zone: This part of the network will have all the 6 users which will manage the business of the NGO.

The network diagram for the office is given below.

COIT20264 Network Design Assignment Help

Figure:Sydney Office Network Topology.

Singapore Network Setup

This part of the network is similar to the Sydney. Only the number of servers and user are reduced. As the Sydney sites are the main sites for controlling purpose. But this site will have the same zone as the Sydney one. All the servers are synchronizing with the Sydney servers. As any type of failure occurs in either part of the network. It will take control of the services whenever the network reachability of either site is gone. And also these services are load balances so that full utilization of installed resources can be done more efficiently. To minimize the cost of maintenance and performance tuning on the servers.

The network diagram for the office is given below.

COIT20264 Network Design Assignment Help

Figure:Singapore Office Network Topology.

Table of devices software and total cost estimation

Sr. No.

Device

Vendor

Model Number

Quantity

Price

Total

1.

Firewall

Cisco

5520

2

4000$

8000$

2.

L3 Switch

Cisco

3550

2

1900$

3800$

3.

Router

Cisco

3725

2

3200$

6400$

4.

L2 Switch

Cisco

2950

6

800$

4800$

5.

Server

Dell

X350

10

5000$

50000$

7.

Desktop

DELL

INSPIRON 3300

10

700$

7000$

8.

OS

Microsoft

Windows 7 Enterprise

10

180$

1800$

9.

OS

Microsoft

Windows Server

10

400$

4000$

10.

ANTIVIRUS

Quick Heal

Internet Security

20

40$

800$

11.

MODEM

CISCO

DPC1010

2

150$

300$

 

 

 

 

 

TOTAL

86900$

The above list is selected carefully by analyzing the needs of the project according to the network infrastructure. This will help in providing the required setup for the application services. Which is developed by the organization for their services on the network? The devices will have the specialized feature which is available only in the Cisco network devices. No other vendor has this. Getting most of the network devices from the same vendor will reduce the cost of ownership of the critical setup. And reduce the cost of the support.

Test Plan

This is the most important part it helps in providing the physical and logical network diagram validation. And also helps in knowing any left issues in the infrastructure.

1.Vulnerability assessment for taking out all the vulnerability in the server

2.Network performances test by putting a full load on all the devices.

3.Network failure test to mimic the environment of the actual failure

4.Network penetration and stress testing with the help of the security analyst.

Test Script

Testing of the basic network infrastructure is given below with each test.

1.DHCP

COIT20264 Network Design Assignment Help

2.Network Connectivity Test

COIT20264 Network Design Assignment Help

3.Gateway connectivity Test

COIT20264 Network Design Assignment Help

4.Pinging remote network

COIT20264 Network Design Assignment Help

Justification of successfully achieving Unit Learning Outcomes

All the understanding from the unit learning is given below one by one.

The user, business and security requirements of the organization in relation to network design

1 and 2-week group discussion was mainly on the requirement analysis. How to gather the required information for the user, businesses and etc. This will help in prepared the information so that that can be later analyzed to build the basic demand and solution for the business.

Analyze the user, business and security requirements

Week-3 discussion resulted in knowing that only getting the information is not the only task. There are certain things that need to be addressed in order to give the solution for the organization.

Compare the possible alternative logical and physical network designs

Week-6 mainly focused on the discussing the different types of setup and diagrams can be built. To fulfill the same requirement in the different scenarios.

Design a network by applying the top-down network design methodology.

Week-7 helped in understating the actual method through which the devices can be put in the actual location. According to their needs in the infrastructure.

Create the final documentation of the designed network.

The week – 9 mainly discussed how the documentation part needs to be completed. Which will help the businessmen to analyzed their interest and perform the actual discussion on the implementation of the project.

Justify that the designed network satisfies the requirements.

The week-10lecture is completed which help in the creation of network diagram. The network diagram is already created for the A4A NGO organization in the report in this assignment.

One thing I liked the most in this unit

The main thing of this unit it has taught us how the actual businesses need change according to the different scenarios for the same types of project. As most of the projects were similar in their design. But some project needs more security but some don't. All the things are dependent on for what type of business the infrastructure is developing.

One suggestion to improve the unit.

All the requirement must be given as most of the time our assumption get wrong. Due to unavailability of the information in the unit. And the internet search doesn’t give the unique answer.

References

References which are used to get the required information for preparation of this report are given below.

1.IP network design, part 1: Fundamental principles, http://searchnetworking.techtarget.com/tip/IP-network-design-part-1-Fundamental-principles

2.Network Design Strategies, By Scott Mueller, Terry William Ogletree, Mark Edward Soper, Aug 18, 2006, http://www.informit.com/articles/article.aspx?p=485649

3.Cisco Networking Technology, The Art of Network Architecture: Applying Modularity, by Denise Donohue, Russ White. , viewed 30 September 2017, http://www.ciscopress.com/articles/article.asp?p=2201795