This enables network managers to avoid the exposure that results when too much traffic is encrypted under any single key. 这使网络管理员可在任何单一密钥下对太多的通信量进行加密时避免暴露结果。
Thus, instead of having all traffic subject to encryption, only truly sensitive data would be protected. 因此,不用对所有的通信量进行加密,而只对真正敏感的数据进行保护。