Access

Coverage Footprint Coverage Footprint is the geographic area in which a service, signal, or network resource provides usable coverage. It describes the service reach on the map. Concept/Framework CPDLC A text-based digital messaging protocol enabling air traffic controllers and pilots to exchange clearances, instructions, and routine reports over a data link, using standardized pre-formatted message elements rather than free-form… Protocol Crew Network Isolation Crew Network Isolation is the separation of crew internet or personal-use traffic from operational and safety-critical vessel systems through dedicated network paths, security zones, or segmentation to prevent interference with… Operations Data Offload At Port Data Offload At Port is the transfer of vessel data to shore systems while the vessel is in port or near port connectivity. Operations Datalink Communications The category of digital, text-based communication systems exchanging messages, clearances, and operational data between aircraft and ground systems — air traffic control and airline operations — as an alternative or… Concept/Framework Deep Packet Inspection Deep Packet Inspection is the examination of packet contents beyond basic headers to identify, classify, or control network traffic. Software Default Route Propagation Default Route Propagation is the distribution of a default route through a routing domain so routers can forward traffic when no more specific route exists. It provides fallback reachability. Operations Demultiplexing Demultiplexing is the process of separating multiplexed data streams or signals into their original individual components. Protocol Denied Communications Denied Communications is a communications condition where access is blocked, disrupted, or intentionally prevented. It indicates the link cannot be used normally. Operations Denied Communications Environment The operational planning category describing an area or mission context where an adversary is actively degrading, blocking, or manipulating communications and positioning through electronic warfare — jamming, spoofing, and GNSS… Concept/Framework