Publication

Delay Jitter Bounds and Packet Scale Rate Guarantee for Expedited Forwarding

Jean-Yves Le Boudec
2002
Journal Articles

Abstract

We consider the definition of the Expedited Forwarding Per-Hop Behaviour (EF PHB) as given in RFC 2598\ \cite{rfc2598}, and its impact on worst case end-to-end delay jitter. On one hand, the definition in RFC 2598 can be used to predict extremely low end-to-end delay jitter, independent of the network scale. On the other hand, we find that the worst case delay jitter can be made arbitrarily large, while each flow traverses at most a specified number of hops, if we allow networks to become arbitrarily large

Official source

https://infoscience.epfl.ch/entities/publication/46fad1bb-c46b-481d-8088-c5f18343b4f4

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Jean-Yves Le Boudec
2002
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/46fad1bb-c46b-481d-8088-c5f18343b4f4

About this result

Related concepts (16)

Differentiated services

Differentiated services or DiffServ is a computer networking architecture that specifies a mechanism for classifying and managing network traffic and providing quality of service (QoS) on modern IP networks. DiffServ can, for example, be used to provide low-latency to critical network traffic such as voice or streaming media while providing best-effort service to non-critical services such as web traffic or s. DiffServ uses a 6-bit differentiated services code point (DSCP) in the 8-bit differentiated services field (DS field) in the IP header for packet classification purposes.

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Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is either caused by errors in data transmission, typically across wireless networks, or network congestion. Packet loss is measured as a percentage of packets lost with respect to packets sent. The Transmission Control Protocol (TCP) detects packet loss and performs retransmissions to ensure reliable messaging.

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