A flexible model for resource management in virtual private networks
Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
Network tomography on general topologies
SIGMETRICS '02 Proceedings of the 2002 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Building multicast services from unicast forwarding and ephemeral state
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue on programmable networks
Backup Path Allocation Based on a Correlated Link Failure Probability Model in Overlay Networks
ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
Tomography-based overlay network monitoring
Proceedings of the 3rd ACM SIGCOMM conference on Internet measurement
Dynamic C++ classes: a lightweight mechanism to update code in a running program
ATEC '98 Proceedings of the annual conference on USENIX Annual Technical Conference
Supporting multicast deployment efforts: a survey of tools for multicast monitoring
Journal of High Speed Networks
The use of end-to-end multicast measurements for characterizing internal network behavior
IEEE Communications Magazine
Concast: design and implementation of an active network service
IEEE Journal on Selected Areas in Communications
gTrace: simple mechanisms for monitoring of multicast sessions
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
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Whether driven by security concerns, need for flexibility, deployment of advanced services or as a simplified outsourcing model, overlaying a virtual service topology over the underlying network infrastructure is common. To ensure and enforce consistent service quality, fairness and protocol behavior it is necessary to measure and monitor these service level topologies. In this paper we present extensible general purpose mechanisms to monitor and measure characteristics of a service level topology at the nodes of the topology. The mechanisms provide means to dynamically deploy a distributed observation function at the nodes of the topology and to collate the observations into a result given to the requestor on a subscription channel. These are control plane mechanisms, outside of the router datapath, where we assume programmability and low cost memory. We give several examples of how to use these mechanisms to compute interesting properties of the topology.