ACM SIGCOMM Computer Communication Review
The PIM architecture for wide-area multicast routing
IEEE/ACM Transactions on Networking (TON)
A model, analysis, and protocol framework for soft state-based communication
Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
KHIP—a scalable protocol for secure multicast routing
Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Providing Scalable Many-to-One Feedback in Multicast Reachability Monitoring Systems
MMNS '01 Proceedings of the 4th IFIP/IEEE International Conference on Management of Multimedia Networks and Services: Management of Multimedia on the Internet
Remote Multicast Monitoring Using the RTP MIB
MMNS '02 Proceedings of the 5th IFIP/IEEE International Conference on Management of Multimedia Networks and Services: Management of Multimedia on the Internet
Fault Detection in Routing Protocols
ICNP '99 Proceedings of the Seventh Annual International Conference on Network Protocols
Supporting multicast deployment efforts: a survey of tools for multicast monitoring
Journal of High Speed Networks
An architecture for large scale Internet measurement
IEEE Communications Magazine
Reliable multicast transport protocol (RMTP)
IEEE Journal on Selected Areas in Communications
The evolution of multicast: from the MBone to interdomain multicast to Internet2 deployment
IEEE Network: The Magazine of Global Internetworking
Deployment issues for the IP multicast service and architecture
IEEE Network: The Magazine of Global Internetworking
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The successful deployment of multicast in the Internet requires the availability of good network management solutions. One of the first management tasks for multicast is to verify its availability in the network. This task is usually referred to as reachability monitoring. Reachability ensures that sources can reach all existing and potential group members. Reachability also implies that receivers have multicast connectivity and can reach all sources. As a result, verifying reachability becomes very important to maintain availability and robustness of the multicast service between sources and receivers. In this paper, we present an application layer mechanism to monitor multicast reachability. First, we justify the need for reachability monitoring systems. Then, we present our monitoring system called sdr-monitor. Sdr-monitor leverages an existing application and provides close to real-time reachability monitoring for the multicast infrastructure. It is the first system that is developed and deployed for monitoring multicast reachability. We present the architecture of the system and then discuss its operation. Finally, we include our evaluations on a data set that we collected using this system. With this analysis, we present long term reachability characteristics of multicast infrastructure during a four year monitoring period between 1999 and 2003 and discuss potential causes for reachability problems.