In this paper, we describe implementation aspects and performance results of an innovative and publicly available RSVP implementation. Much debate exists about the applicability of RSVP as a signalling protocol in the Internet, particularly for a large number of unicast flows. Consequently, numerous proposals have been made for other lightweight signalling protocols. While there has been a significant amount of work published on the theoretical concepts of RSVP signalling and conjectures about its presumed shortcomings, rather little attention has been paid to the implementation details of the core protocol engine. With our work, in spite of being still far from a final judgement, we try to shed light on this issue by presenting a new implementation and a study about its performance.
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