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Assessment Title
Rule Text
The enclave must be dual homed to two geographically diverse DISN SDNs and DISN WAN Service (NIPRNet or SIPRNet) Aggregation Routers (AR) or DISN Provider Edge (PE) routers.
Description
Discussion Text
Redundancy and dual homing is used within the DISN core to provide for continuity of operations (COOP) if a piece of equipment, circuit path, or an entire service delivery node is lost.
DOD policy also requires DOD enclaves that support command and control (C2) users for data services to be dual homed to the DISN core SDNs. This means there will be two physically separate access circuits from the enclave to two geographically diverse DISN SDNs. Once the access circuits arrive at the SDNs, the circuits must be connected to two geographically diverse DISN WAN Service (NIPRNet or SIPRNet) Aggregation Routers (AR) or DISN Provider Edge (PE) routers. Depending on the size of the SDN, one or both of the access circuits must be extended to another SDN containing the AR or PE. ARs are also dual homed to geographically diverse DISN PE routers.
A single circuit provides far less redundancy and reliability than dual circuits This redundancy is required to increase the availability of the access to the DISN core to provide a greater chance of achieving assured service. This need extends to assured service C2 VVoIP communications and is why it is checked here.
DOD policy also requires DOD enclaves that support command and control (C2) users for data services to be dual homed to the DISN core SDNs. This means there will be two physically separate access circuits from the enclave to two geographically diverse DISN SDNs. Once the access circuits arrive at the SDNs, the circuits must be connected to two geographically diverse DISN WAN Service (NIPRNet or SIPRNet) Aggregation Routers (AR) or DISN Provider Edge (PE) routers. Depending on the size of the SDN, one or both of the access circuits must be extended to another SDN containing the AR or PE. ARs are also dual homed to geographically diverse DISN PE routers.
A single circuit provides far less redundancy and reliability than dual circuits This redundancy is required to increase the availability of the access to the DISN core to provide a greater chance of achieving assured service. This need extends to assured service C2 VVoIP communications and is why it is checked here.
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