构建时间、空间、网络层次端到端安全网络

针对目前IP网对安全的新要求,华为提出了“i^3安全”解决方案．即时间、空间、网络层次三个纬度端到端集成安全体系架构。此方案所具有的特色包括：在时间上,同时关注网络的事前防范和事后跟踪能力;在空间上,针时外网与内网的不同特点制定有效的安全策略;在网络层次上,分别根据网络层、用户接入层和业务层的特点进行有针对性的防范。

Construction of end-to-end Safe Network with Integration of Time,Space and Network Layers

i3 security"solution for the new re quire ments for safety of I P network is in tro-duced by Huawei,i.e.end-to-end safe sys-tem archi tec ture with inte gration of time,space and network layers.The fea tures of this plan in clude: to simultaneously focus on the pre ventive capa bility aforehand and trace ca-p a bility afterwards in time field;to constitute effective security strate gy b ased on the differ-ent features of external network and internal network in sp ace field;to make preventive mea sures based on the fea tures of network layer ,user access layer and service layer in network layer field.