With the development of smarter devices and evolution of communication technologies, the world has drawn concept of IoT. The basic idea of this concept is to connect virtual and physical things using conventional and evolving ICT to provide more convenient life.
IoT concept is rapidly spreading out to various business domains with scalability. This is also same for Smart Home domain. By adopting IoT to home management, people could easily manage and control appliances from the remote. However some threats have also leaked into the home network threatening users’ home.
In current Smart Home system, cracker could control over whole system if concentrated Control Server (single point) is breached or hijacked. Considering threat on single point could threaten whole network area, this could be very critical issue. Also the network has Control server as a middle man in the system, so there could be argument on privacy issues.
Thus, in this research, we presented application of network separation concept on current Smart Home service network, which has single network for control and maintenance. The proposed network uses center-oriented maintenance network and multiple independent control networks for each user of the Smart Home service.
By adopting this network, infection of attack could be restricted to one network not influencing other networks. This is same for DoS attack. Also this network could provide better privacy than current Smart Home network, because the control message or information from appliance doesn’t pass the server that is not possessed by the user but the service provider.
