Study of Ubiquitous Communication Method for Community Security

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This study has two main results as follows;1. The security architecture on the open spaceThis security architecture is shown from the protocol design including some virtual closed spaces (VCSs) and its evaluation with the computer simulation.This protocol is able to communicate among nodes on the open space which is regarded as a virtual closed space (VCS).2. The ubiquitous communication methodThe ubiquitous communication method is established based on the community security system model. According to this model, the following problems have been solved.Communication processing in the network using the Mobile IPv6 and its communication performanceInterconnection between access point and ad-hoc network and its protocolIP address assignment method on ad-hoc networkSecurity of ad-hoc network