Consider the situation where a natural disaster has occurred in a remote area and there is...

 

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Consider the situation where a natural disaster has occurred in a remote area and there is a requirement to land aircraft carrying aid and supplies, at night, in an area outside air-traffic control and without any accurate information relating to airfield elevation or atmospheric conditions. There is no on-ground technology working that people can use to pass information to the aircraft. The aircraft is equipped with experimental, ruggedized devices that are self-powered, have a built-in GPS, WiFi and an RF transmitter; they can be dropped from the aircraft and transmit elevation and atmospheric information to the aircraft. They can also detect each other and, if the conditions are suitable, form a network with each other and exchange information. Describe, listing the networking architectures, layers and general components, the network path created from the moment a ruggedized device is activated on the ground to the moment the first GPS-information packet is received by the aircraft [4 marks] Describe any threats to resilience in this path and mitigation techniques to ensure maximum resilience for the least cost and least human interaction [8 marks] Describe the mechanisms that could be used to ensure that only authorised ruggedized devices connect to the WiFi network and that the WiFi network is not overloaded [4 marks] Consider the situation where a natural disaster has occurred in a remote area and there is a requirement to land aircraft carrying aid and supplies, at night, in an area outside air-traffic control and without any accurate information relating to airfield elevation or atmospheric conditions. There is no on-ground technology working that people can use to pass information to the aircraft. The aircraft is equipped with experimental, ruggedized devices that are self-powered, have a built-in GPS, WiFi and an RF transmitter; they can be dropped from the aircraft and transmit elevation and atmospheric information to the aircraft. They can also detect each other and, if the conditions are suitable, form a network with each other and exchange information. Describe, listing the networking architectures, layers and general components, the network path created from the moment a ruggedized device is activated on the ground to the moment the first GPS-information packet is received by the aircraft [4 marks] Describe any threats to resilience in this path and mitigation techniques to ensure maximum resilience for the least cost and least human interaction [8 marks] Describe the mechanisms that could be used to ensure that only authorised ruggedized devices connect to the WiFi network and that the WiFi network is not overloaded [4 marks]