大功率信号对光网络的影响及防护技术研究进展

Research Progress of Effect of High Power Signal on Optical Networks and Protection Technology

近年来光网络朝着高速率、大带宽的方向迅猛发展,承载着大量的信息传输任务,其安全问题受到越来越多的关注,其中,大功率信号对光网络的影响及防护技术成为光网络安全领域的最新研究热点之一。介绍了光网络中大功率信号引起的增益竞争攻击、带间串扰攻击和带内串扰攻击,分析了大功率信号引起的攻击效应对光网络中用户信号质量的攻击影响。从攻击检测和定位技术、安全路由防护技术等方面总结了针对大功率信号攻击效应的光网络安全防护技术。

In recent years optical networks are developing towards high rate and wide bandwidth. Optical networks propagate a great amount of information, and its security issues are drawing more and more attention. Impact of high power signal on optical networks and protection technology has become a hotspot for research in the area of security of optical networks. Gain competition attack, inter- channel crosstalk attack, and intra- channel crosstalk attack caused by high power signal in optical networks are introduced, and attack impact caused by high power signal on legitimate signals in optical networks is also analyzed. Security protection technologies aiming at attack impact of high power signal in optical networks are summarized from the viewpoints of attack detection and location technology, secure routing protection technology and other protection technologies.