Key Points Contrasts access connectivity with transport connectivity Useful for network architecture discussion Access serves endpoints; backhaul links access to core Common in telecom planning and design Separates service delivery roles in distributed network architectures Definition Backhaul Vs Access is…
Key Points Defines permitted delay across a path Used in service and network design Often divided across multiple hops or segments Supports performance planning for real-time services Operationally meaningful in voice, video, trading, industrial control, and satellite services Definition Latency…
Key Points Provides multiple available routes Improves resilience and availability Used in networks and transport systems Reduces dependence on a single path Most valuable when alternate paths do not share the same failure domain Definition Path Diversity is the presence…
Key Points Ground facility for satellite links Contains antennas and RF equipment Used for uplink and downlink operations Includes RF front ends and tracking systems Provides terrestrial RF, tracking, and control capability Definition Earth Station is a ground-based satellite communications…
Key Points Operational data collection from network systems including routers, switches, gateways, and cloud network services Produces metrics, events, traces, and measurements that describe network behavior over time Supports monitoring, troubleshooting, and performance analysis Enables visibility into traffic, device health,…
Key Points Provides isolated compute instance running on virtualization infrastructure Runs on a host through hypervisor software Common in cloud and enterprise systems Supports workload portability and consolidation Enables efficient hardware resource sharing Requires management of virtualization overhead and image…
Key Points Communicates with spacecraft from Earth Supports tracking, telemetry, and command Includes antennas, radios, and operational equipment Used in satellite operations, mission control, and Earth observation Constraints include antenna pointing, link budget, weather, and site availability Failure modes include…
Key Points Chooses minimum-cost paths through network graphs Used in link-state routing and interior gateway protocols Depends on accurate topology and metric information Supports efficient internal routing and network optimization Computation based on graph algorithms and link cost metrics Definition…
Key Points Increasing node density to improve coverage or capacity Used in operational and architecture contexts Works by placing more service points closer together so each node serves a smaller share of geographic or user demand Used in mobile networks,…
Key Points Uses electricity to create thrust Typically offers high efficiency and low thrust Common in long-duration spacecraft missions Trades thrust level for efficiency and endurance Requires sustained power availability Definition Electric Propulsion is a propulsion method that uses electrical…
