VoIP Measurement Architecture Using Data Mediation

Authors:
Atsushi Kobayashi;Keisuke Ishibashi
Affiliations:
NTT Information Sharing Platform Laboratories, Tokyo, Japan 180-8585;NTT Information Sharing Platform Laboratories, Tokyo, Japan 180-8585
Venue:
IPOM '09 Proceedings of the 9th IEEE International Workshop on IP Operations and Management
Year:
2009

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Abstract

A VoIP measurement architecture using a flow-based measurement method, such as IPFIX/PSAMP, is presented. In particular, we focus on an ACL-based metering function adaptable to existing router/switch capabilities. We also applied a mediation function handling the ACL-based filtering configuration and correlating both SIP and RTP packet-based data records to build the VoIP measurement architecture. This architecture enables network operators to measure VoIP quality as needed in large-scale networks. Finally, we demonstrated the feasibility of the measurement system by evaluating a prototype.