Monitoring of SIP-Based Communication Using Signalling Information for Performance Measurements
ICISP '06 Proceedings of the International Conference on Internet Surveillance and Protection
Experiences in end-to-end performance monitoring on KOREN
APNOMS'06 Proceedings of the 9th Asia-Pacific international conference on Network Operations and Management: management of Convergence Networks and Services
IP Multicast Traffic Measurement Method with IPFIX/PSAMP
IPOM '08 Proceedings of the 8th IEEE international workshop on IP Operations and Management
SIPFIX: a scheme for distributed SIP monitoring
IM'09 Proceedings of the 11th IFIP/IEEE international conference on Symposium on Integrated Network Management
VoIP Measurement Architecture Using Data Mediation
IPOM '09 Proceedings of the 9th IEEE International Workshop on IP Operations and Management
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End-to-End (E2E) flow monitoring is useful for observing performance of networks such as throughput, jitter and delay. Typically, E2E flow monitoring is carried out at end hosts with known tools such as iperf. However, the end-host approach may not be easily deployed in a large-scale network because of high cost and administrative overhead. Therefore, in this paper, we propose a new E2E flow monitoring method based on IP Flow Information eXport (IPFIX) that could provide QoS metrics such as throughput, retransmission rate, delay, and jitter for TCP flows and SIP-signalled RTP flows. We have extended the IPFIX templates for carrying QoS-related fields, and developed the E2E flow monitoring function with the open source that could be embedded into routers. From experiments, it was shown that the performance of TCP and RTP flows could be easily examined with the IPFIX-based approach.