Traffic sampling methods for end-to-end QoS evaluation in large heterogeneous networks
TNC'98 Proceedings of the TERENA networking conference '98 on Towards networking and services in the year 2001
Trajectory sampling for direct traffic observation
IEEE/ACM Transactions on Networking (TON)
Verifying IP Meters from Sampled Measurements
TestCom '02 Proceedings of the IFIP 14th International Conference on Testing Communicating Systems XIV
PerfSONAR: a service oriented architecture for multi-domain network monitoring
ICSOC'05 Proceedings of the Third international conference on Service-Oriented Computing
An efficient and lightweight method for Service Level Agreement assessment
Computer Networks: The International Journal of Computer and Telecommunications Networking
Metrics and QoE assessment in P2PTV applications
International Journal of Internet Protocol Technology
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Multimedia and real-time services are spreading all over the Internet. The delivery quality of such contents is closely related to its network performance, for example in terms such as low latency or few packet losses. Both customers and operators want some feedback from the network in order to assess the real provided quality. There are proposals about distributed infrastructures for the on-line reporting of these quality metrics. The issue all these infrastructures must face is the high resource requirements to keep up with accurate and live reporting. This paper proposes an adaptive sampling methodology to control the resources needed for the network performance reporting. Moreover, the solution keeps up with accurate live reporting of the main network performance metrics. The solution is tested in a European wide testbed with real traffic which permits to assess the accuracy and to study the resources consumption of the system.