AF - Assured Forwarding

A QoS (Quality of Service) term employed within the DiffServ (Differentiated Services) policy. Assured Forwarding values are set as part of the PHB (Per Hop Behaviour) used by routers. This value is used to determine the degree of reliability a packet should be afforded within the DiffServ domain.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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