Key Points Combining multiple physical links into one logical transport relationship Used across network and system environments for increased bandwidth and resilience Employed in switches, routers, servers, and data center networks Traffic is distributed across member links while the network…
Key Points Secure Tunneling is defined for network or system use. Protected tunnel for traffic across an untrusted network. Used in operational and architecture contexts. Secure tunnels can provide confidentiality, integrity, or both depending on the design. Definition Secure Tunneling…
Key Points Uses multiple elements with precise phase control to steer beams Steers beams electronically without mechanical pointing Common in radar, satellite communications, wireless systems, and advanced sensing Supports agile pointing and tracking across changing conditions Definition Phased Array Antenna…
Key Points Produced by nonlinear RF behavior in devices and signal paths Creates unwanted mixing products at new frequencies not present in original signals Degrades spectral purity and channel separation Primary concern in crowded spectrum environments with multiple simultaneous signals…
Key Points Locates coverage gaps in communications networks Supports planning and service expansion decisions Used in broadband and satellite deployment analysis Combines maps, demand data, and measured coverage evidence Requires accurate data and appropriate geographic resolution Definition Unserved Area Identification…
Key Points Covers terrestrial satellite infrastructure including stations, gateways, and control sites Works with the space segment to provide end-to-end service Handles control, communications, and service transport between satellites and terrestrial networks Constraints include site availability, telemetry and control coverage,…
Key Points Focuses on recovery and continuity under disruption Applies to technical and operational systems Includes tolerance to faults and disruptions Often paired with redundancy and availability Operates through design features such as redundancy, fault isolation, recovery procedures, and fallback…
Key Points Measures operational availability over time Used in service and infrastructure monitoring Often expressed as a percentage Important in service-level discussions Quantifies how long a service remains available versus down over a reporting period Definition Uptime is the period…
Key Points Used for IPv6 routing Shares link-state topology information Supports fast convergence Extension of OSPF for IPv6 environments Definition OSPFv3 is the IPv6 version of the OSPF link-state routing protocol used to exchange routing information within an autonomous system.…
Key Points Relays signals with minimal onboard processing Common in bent-pipe satellite designs Depends heavily on ground segment processing Supports straightforward relay architectures May amplify or shift signals but does not perform major regenerative processing Definition Transparent Payload is a…
