Abstract-Network traffic measurements provide essential data for networking research and network management. In this paper we describe a passive monitoring system designed to capture GPS synchronized packet level traffic measurements on OC-3, OC-12, and OC-48 links. Our system is deployed in four POPs in the Sprint IP backbone. Measurement data is stored on a 10 terabyte SAN (Storage Area Network) and analyzed on a computing cluster. We present a set of results to both demonstrate the strength of the system and identify recent changes in Internet traffic characteristics. The results include traffic workload, analyses of TCP flow round-trip times, out-ofsequence packet rates, and packet delay. We also show that some links no longer carry web traffic as their dominant component to the benefit of file sharing and media streaming. On most links we monitored, TCP flows exhibit low out-of-sequence packets rates and backbone delays are dominated by the speed of light.
Fraleigh et al. REF performed packet-level traffic measurement on the Sprint IP backbone.
Packet-Level Traffic Measurements from the Sprint IP Backbone
IEEE Network
Computer Science