Description

• Monitoring transit traffic at one or more points in a network is of interest to network operators for reasons of traffic accounting, debugging or troubleshooting, forensics, and traffic engineering. • The area has focused on deriving a placement of monitors across the network towards the end of maximizing the monitoring utility of the network operator for a given traffic routing. • In traffic characteristics and measurement objectives can dynamically change over time, rendering a previously optimal placement of monitors suboptimal. • It is not feasible to dynamically redeploy/reconfigure measurement infrastructure to cater to such evolving measurement requirements. • The main challenge for MeasuRouting is to work within the constraints of existing intra-domain traffic engineering operations that are geared for efficiently utilizing bandwidth resources, or meeting Quality of Service (QoS) constraints, or both. • A fundamental feature of intra-domain routing, that makes MeasuRouting feasible, is that intra-domain routing is often specified for aggregate flows. • MeasuRouting, can therefore, differentially route components of an aggregate flow while ensuring that the aggregate placement is compliant to original traffic engineering objectives. • Synthetic and practical monitoring applications to showcase the utility enhancement achieved with MeasuRouting.