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Fluid flow analysis of TCP flows in a DiffServ environment by Mario Barbera; Alfio Lombardo; Giovanni Schembra; C. Andrea Trecarichi is a Engineering article available to read on EtoBox.

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## Abstract The differentiated services (DiffServ) architecture allows IP networks to offer different QoS levels to different users and applications. In this architecture, routers in the core network offer the same per‐hop behaviour (PHB) to all packets classified as belonging to the same class at the edge of the network. One of the most important types of PHB is assured forwarding (AF) PHB. Within each AF class, IP packets can be marked with different drop precedence (DP) values, and treated differently in congested DS nodes. To this end, DiffServ nodes in the core network implement active queue management (AQM) mechanisms. The target of this paper is to provide network designers with an accurate fluid‐flow analytical model of a DiffServ network, where the RED with in/out and coupled average queues (RIO‐C), RED with in/out and decoupled average queues (RIO‐DC) and Weighted RED (WRED) AQM techniques are implemented. We address a network simultaneously loaded with both greedy and data‐limited TCP flows, and we consider one AF class in which two DPs are defined, one for packets complying with the negotiated profile (IN packets), and another for packets that do not respect it (OUT pac

Who reads Fluid flow analysis of TCP flows in a DiffServ environment?

Author

Mario Barbera; Alfio Lombardo; Giovanni Schembra; C. Andrea Trecarichi

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 1124-318X)

Published

2006

Language

EN

Field

Engineering (Physical Sciences)