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Application layer reachability monitoring for IP multicast Kamil Sarac a,*, Kevin C. Almeroth b
 

Summary: Application layer reachability monitoring for IP multicast
Kamil Sarac a,*, Kevin C. Almeroth b
a
Department of Computer Science, University of Texas at Dallas, 2601 N. Floyd Rd., Richardson, TX 75083, USA
b
Department of Computer Science, University of California Santa Barbara, Santa Barbara, CA 93106, USA
Received 11 December 2003; received in revised form 9 October 2004; accepted 1 November 2004
Available online 8 December 2004
Responsible Editor: I. Nikolaidis
Abstract
The successful deployment of multicast in the Internet requires the availability of good network management solu-
tions. 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 mem-
bers. 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

  

Source: Almeroth, Kevin C. - Department of Computer Science, University of California at Santa Barbara

 

Collections: Computer Technologies and Information Sciences