Dear Mr Okubo and all, Due to the considerations inside NTT, we have to withdraw AVD-3548. The information inside there will be presented as part of AVD-3549 during the meeting. Best regards -- NISHIKAWA Yoshiki NTT Cyber Solutions Laboratories, NTT Corporation E-mail:nishikawa.yoshiki@lab.ntt.co.jp Tel :+81 46 859 3632 FAX :+81 46 859 5505