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Quality of Service (QoS) VoIP , , , . , , QoS .

VoIP (voice traffic) (data traffic). Quality of Service .

, VoIP - (VoIP , ), - . , . (delay), , . , (, ) .

, , . ( ) , , , , . Quality of Service. QoS, , , , . QoS .

VoIP: QoS

QoS, , . :

  • (Lack of bandwidth) .
  • (Delay) - . :
    • (Fixed delay) , . , , . QoS .
    • (Variable delay) , . , , , . .
    • (Jitter) . , 100 , 110 . 10 .
  • (Packet loss) - .

, , , .

QoS , . , . , , QoS , , .

QoS , . QoS , .


, , QoS. , . , . , .

, :

  • (End-to-end delay) : 150
  • : 30
  • : 1%

, . , ( ).


, QoS . :

  • (Mission-critical applications) .
  • (Transactional applications) . , ID .
  • (Best-effort applications) . , FTP.
  • (Scavenger applications) , , . , p2p BitTorrent

QoS.


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