Immediate Family ACK Tree for Reliable Multicast in Mobile Ad Hoc Networks

Provided by: International Association of Computer Science & Information Technology (IACSIT)
Topic: Networking
Format: PDF
In this paper, an efficient protocol, called Immediate Family Ack-tree (IFA), is proposed to report correct data reception or a negative acknowledgment to request retransmissions for feedback.. Each reliable multicast protocol needs a recovery mechanism to deal with occasional losses, duplications and failed delivery of datagram. IFA use a directly-related based recovery mechanism that localizes ACKs and retransmissions to avoid forward and feedback flooding. The authors' approach constructs an immediate ACK tree to three generations of nodes and uses efficient Fast-Upstream recovery algorithm to maintain reliable multicast and reduce overhead.

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