• R. SUGANYA
• Dr. VASANTHA KALYANI DAVID

Few MAC standards like 802.11a, 802.11b and 802.11g can operate with multiple data rates due to significant advances in wireless modulation technologies for Quality-of-Service (QoS)-constrained multimedia communication in order to utilize the limited resources of MANETs more efficiently. In multirate MANETs, the neighborhood of a host may differ which causes it more complex to estimate the one-hop delay as well as end-to-end delay. For real-time applications in multirate MANETs, different delay-aware multicast routing protocol have been proposed to increase the network capacity, QoS guarantees and reduce the end-to-end delay. Also, a QoS routing or multicasting protocols for a MANET have been designed in which its neighboring information must be maintained to estimate the resource consumed by the designed QoS path and its neighbors. It is also desired that the designed QoS routing or multicasting protocol can use the limited wireless resources more efficiently. In this paper, a survey on different delay-aware multicast routing protocols in adhoc networks is presented. As well, a comparative analysis is presented to investigate the limitations in those conventional protocols and suggest the solutions for further improvement on multicast routing in MANET.

MANET, Routing, Multicast, Multirate MANET, QoS, Delay-aware protocol

"A Survey on Delay-Aware Multicast Routing Protocols in MANET", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.715-718, June 2019, Available :http://www.jetir.org/papers/JETIR1907B26.pdf

"A Survey on Delay-Aware Multicast Routing Protocols in MANET", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp715-718, June 2019, Available at : http://www.jetir.org/papers/JETIR1907B26.pdf