Abstract
Multicast is one of the most efficient ways to distribute data to multiple users. There are different types of Multicast such as IP Multicast, Overlay Multicast, and Application Layer Multicast (ALM). In this paper, we present a link-aware Application Layer (ALM) Multicast algorithm. Our proposed algorithm, Link Aware-NICE (LA-NICE) [1], is an enhanced version of the NICE protocol [2]. LA-NICE protocol uses the variations of bandwidth or capacity in communication links to improve multicast message delivery and minimize end-to-end delay. OMNeT++ simulation framework [3] was used to evaluate LA-NICE. The evaluation is done through a comparison between LA-NICE and NICE. The simulation results showed that LA-NICE produces an increased percentage of successful message delivery ranging from 2% to 10% compared to NICE. Also, LA-NICE has less average delay and less average message hop count than NICE which reduces the overall latency of message delivery.
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