The objective of the coursework is to simulate a client-server model communication over an IP network and to investigate an application and network performance in multiple provided scenarios.
The network architecture overview
The company’s headquarters are in Edinburgh (UK). They have recently opened regional offices in Chicago (USA), and Bangkok (Thailand). The main service provided by the Chicago and Bangkok offices will be gathered and distributed monthly and annual reports describing sales managed by the headquarters in Edinburgh (UK). The company has decided to perform a simulation to investigate the feasibility of expanding to an additional call centre.
Edinburgh HQ LAN: The network is undefined and needs to be designed by the student with justifications, this implies justification of several nodes, users, and applications.
Chicago office LAN: This site consists of 6 users connected to a core switch, Local printer, and email. They are connected to the Internet via a backbone link. Some applications, run by users including printers and databases, are local and others like web browsing and MS OneDrive are supported including remote desktops, in Edinburgh, UK. Additionally, 9 users work from home using MS Teams and Zoom with all supported services.
Bangkok, Thailand Office LAN: This site consists of 5 users connected to a core switch, Local printer, and email. They are connected to the Internet via a backbone link. Some applications, run by users including printers and databases, are local and others like web browsing and MS OneDrive are supported remotely, in Edinburgh, UK. Additionally, 7 users work from home using MS Teams and Zoom for voice and video calls.
Network Operations Centre (NOC): This site consists of 5 users connected to a core switch, Local printer, and email. They are connected to the Internet via a backbone link. Some applications run by users including printers and databases are local and others like web browsing and MS OneDrive are supported remotely, in Edinburgh, UK. All users run MS Teams and Zoom conferencing applications with Bangkok Office.
The Tasks
The objective is to perform group literature research, individually build a Tetcos NetSim simulation model based on the network architecture given and evaluate the behaviour of network parameters gained by simulating the use cases. The design, implementation and simulation discussion imply the inclusion of graphs and justification of made decisions or the results achieved through the simulation.
The objective is to perform group literature
Perform literature research on the technologies that are used in a modern network. CHOOSE 3 from the following list of network technologies: -
There are multiple providers of such services, some examples, are Amazon AWS, CrowdStrike and CISCO (BUT NOT LIMITED TO). Critically discuss these technologies concerning the scalability and transparency of communication, providing examples. Identify two or more commercial risks arising due to the failure of such cloud services. The discussion should be documented and should be approximately 700 words. The group should consist of two roles:
Risk assessor: The risk assessor evaluates the potential threats.
Upgrade engineer: The upgrade engineer must review the technologies from a benefit point of view.
Design, implement and simulate your model in the Tetcos NETSIM simulator guided by the given network architecture overview. The design requires detailed documentation on the application and performance settings in the Tetcos NETSIM simulator for each user and these settings justifications. Following the implementation, you are required to simulate your scenario.
The documentation must contain a table of your subnetting schemes for each LAN/WAN/MAN. Note: You should configure Tetcos NetSim to use these subnets and show evidence of this. You must provide the following: Network Address, Broadcast Address, Usable Addresses, and IP Address assignments to hosts. You must use at least two classes from the Private Address Space.
Conduct an analysis of the behaviour of the network performance in a variety of cases. The analysis must be done regarding your Discuss the scenario and hypothesize on the possible outcomes of provided use cases followed by the analysis of the results that were received from the simulation.
For additional marks include analysis on each of the following
Simulate the following expansion use case: The new NOC will communicate with the Chicago and Bangkok offices. It is planned that 4 new users will communicate with the Bangkok office and 3 new users will communicate with the Chicago office. All offices will communicate via MS Teams or Investigate the behaviour of the MS Teams vs Zoom in the given scenario.
Evaluate the network performance, where you introduce improvements based on what you have identified.
Provide a critical reflection on the tasks you carried
The document must include your concluding
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