Service Level Agreement Control in the Presence of Heterogeneous Traffic and QoS Requirements

The paper proposes a novel measurement-based Equivalent Bandwidth technique that computes the bandwidth to be allocated to a buffer which conveys heterogeneous traffic (both concerning traffic sources and QoS requirements), without using any closed-form expression. The effectiveness of the algorithm is checked through simulation analysis. Equivalent bandwidth (EqB) is defined as the minimum service rate to be provided to a traffic buffer to guarantee a certain degree of Quality of Service (QoS) in terms of objective parameters (packet loss, delay, jitter). EqB techniques are obtained analytically for homogeneous traffic trunks, with respect to a single QoS constraint.