Abstract
Multi-thread polling (MTP) with offline scheduling and offline excess
bandwidth distribution has recently been proposed to overcome the long propagation
delay of long-reach passive optical networks (LR-PONs). In this paper, we
propose a complementary MTP approach with online scheduling and online excess
bandwidth distribution. We evaluate the throughput-delay performance of offline
and online MTP against offline and online single-thread polling (STP) with
excess bandwidth distribution as well as double-phase polling (DPP) with excess
bandwidth distribution. We find that online MTP and STP as well as DPP give
significantly lower average packet delays than offline MTP.
© 2013 IEEE
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