Quality of Service (QoS) :

  • HBONE policy is the same as GEANT QoS policy
  • We apply DiffServ QoS technology in HBONE.
  • QoS configuration can only be found there where the link load reaches 50%
  • MPLS:
    • In case of MPLS the EXP bits transfer the DiffServ priorit

    • The EXP field is 3 bit long

    • Matching to the EXP bit values with the help of class-map (external label)

  • Defined HBONE QoS classes:

  • 5: realtime traffic (VoIP + video conference)

    • The VoIP traffic is the more important one from the two. The bandwidth defined for the QoS class is the sum of the max. traffic of the VoIP and the video conference (x*E1 + 2Mbps), so they do not interfere with each other.

  • 3: premium

  • 0: best effort