Practical design constraints for measuring utilization in hybrid paths using delay measurements

Recent research results have shown how measurements of bandwidth metrics using traditional tools and techniques have to be reconsidered in the presence of WLAN links. The main reason behind this is the CSMA/CA protocol used to regulate the distributed access in the wireless medium. In this paper we identify a set of practical issues that tools based on delay measurements must face to implement end-to-end bandwidth metrics in hybrid paths (i.e., wired/wireless). The paper provides results through extensive simulation to validate the findings of the study.