Enclave BoundaryCreated OnFebruary 21, 2018Last Updated OnFebruary 21, 2018Views4 You are here: KB Home Definitions Definitions D-E Enclave Boundary < BackPoint at which an enclave’s internal network service layer connects to an external network’s service layer, i.e., to another enclave or to a Wide Area Network (WAN). SOURCE: CNSSI-4009