The Korean government has established 'The Basic BcN (Broadband convergence Network) Plan II', and organized a consortium for its full-scale implementation as part of its attempt to create the ubiquitous society through a mixed and converged service based on the integrated network. The BcN, which interconnects various subscriber networks having such characteristics as PSTN and WCDMA, could potentially affect other subscriber networks if infringement incidents occur in the specific subscriber network. Therefore, the need to secure safety from the BcN network setup stage has emerged as an important issue. Accordingly, this paper analyzes the characteristics of the pilot project that are being executed to establish the BcN in Korea, and the infrastructure and interworking scenario with a focus on PSTN and WCDMA, which is the representative interworking scenario, so that security measures against potential infringement incidents can be proposed.
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