【摘要】 阐述了HFC网络结构特点并指出其安全问题,在分析DOCSIS的BPI和BPI+安全规范的基础上加入了PGP技术,并提出了在HFC网中改善保护网络通信安全的实现方案,指出并分析了仍然存在的问题。更多还原

【Abstract】 We analyze the character of the HFC network and indicate its proble m in security. Based on the analysis of the BPI and BPI+, we bring forward a sch eme for improving the security in communication by employing PGP. Finally, the p roblems that still exist are pointed out.更多还原