Despite working in the industry, I always found the "cone" terms for NAT confusing, and difficult to remember. So once the BEHAVE terms came out, I adopted the

Despite working in the industry, I always found the "cone" terms for NAT confusing, and difficult to remember. So once the BEHAVE terms came out, I adopted them, as they were (at least to me) more obvious. They're also more flexible in that they can describe real behaviours which can not be mapped to "cone" terms.