Cloud & Virtualized Networking

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Across
  1. 4. A signal processing technique used in Wi-Fi 6 to direct a wireless signal toward a specific receiving device rather than broadcasting in all directions.
  2. 6. Protocols & Logic
  3. 10. The portion of a hierarchical network that comprises the intermediate links between the core network and the small subnetworks at the edge.
  4. 11. (Network Context) The process of clearing out old, stale entries from an ARP cache or a routing table to free up memory.
  5. 12. A private, isolated section of a public cloud provider's network where users can launch resources in a virtual network.
  6. 14. The process in mobile telecommunications where a cellular session is transferred from one base station to another without interruption.
  7. 15. (Advanced Clue) A routing technique where multiple servers share the same IP, and BGP directs the user to the "closest" node to reduce latency.
  8. 16. An interface that allows a controller to push configurations down to the physical or virtual switches (e.g., OpenFlow).
  9. 17. A technology that allows a router to communicate with multiple devices simultaneously rather than in a round-robin sequence.
Down
  1. 1. A message sent between two devices to check if the link between them is still active and to prevent firewalls from closing the connection.
  2. 2. An interface that allows a network component to communicate with a higher-level component (like an SDN controller to an application).
  3. 3. A property of API requests where making the same call multiple times has the same effect as making it once (crucial for network reliability).
  4. 5. The deviation of the attenuation affecting a signal over certain propagation media, often caused by multipath interference in wireless.
  5. 7. An Ethernet frame with a payload greater than the standard 1,500 bytes, used to reduce CPU overhead in high-speed data centers.
  6. 8. & Mobile Complexity
  7. 9. A framework for overlaying a Layer 2 network on a Layer 3 network, used to extend VLANs across data center boundaries.
  8. 13. A small-size datum derived from a block of digital data for the purpose of detecting errors that may have been introduced during its transmission.