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The Differentiated Services (DS) architecture [3] has recently become the preferred method to address Quality of Service (QoS) issues in IP networks. This packet marking based approach to IP-QoS is attractive due to its simplicity and ability to scale. An end-to-end differentiated service is obtained by concatenation of per-DS domain services. DS domain, a(More)
The IETF Differentiated Services Working Group has recently standardized the Assured Forwarding (AF) Per Hop Behavior (PHB). RFC 2597 recommends that an Active Queue Management (AQM) technique be used to realize the multiple levels of drop precedence required in the AF PHB. The most widely used AQM scheme is RED (Random Early Detection). There are several(More)
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