A Clustering Model of the Application-Level Multicast

Author(s):  
Gábor Hosszú ◽  
Raymond Pardede

This chapter reviews the most important fact of the application-level multicast (ALM) and then describes a novel concept of modeling relative density of members called bunched mode and a proposed host-end multicast routing protocol called shortest tunnel first(STF). The bunched mode is based on the thematic multicast concept (TMC), which means that it is atypical multicast scenario where there are a lot of interested hosts in certain institutions, relatively far from each other. This situation is called bunched mode, in which the members of a multicast group are locally in the dense mode, and globally their situation is similar to the sparse mode because these spots are far from each other. The developed analysis tool, Net Sim, and the implementation of the TMC, Pardede CAST, are also presented as the tools of this research.

2020 ◽  
pp. 26-32
Author(s):  
R.Pandi Selvam ◽  

A MANET is a self-conFigureuring system of mobile hosts connected by wireless links. The routers are free to move randomly and organize themselves arbitrarily; thus, the network's wireless topology may change rapidly and unpredictably. Routing is the process of exchanging information from one station to the other stations of the network. Multicasting is a popular mechanism for supporting group communication. In a multicast session, the sender transmits only one copy of each message that is replicated within the network and delivered to multiple recipients. This multicast routing is highly deal with self-organized network in recent days due to its broadcast characteristics. However, devising multicast protocols to provide group communications in mobile ad-hoc networks is significantly more complicated, because of the wireless medium, changing topology, battery power and available bandwidth as well. This paper, evaluates two prominent on-demand multicast routing protocols for group communication, namely, Multicast Ad hoc On-Demand Distance Vector (MAODV) and On-Demand Multicast Routing Protocol(ODMRP) as increasing number of multicast sources and receivers in both single-active multicast group and multi-active multicast group in the network.


Author(s):  
Raymond Pardede ◽  
Gábor Hosszú ◽  
Ferenc Kovács

In the network level computer group-communication (one-to-many) technology, IP-multicast contributes significant roles in enhancing the physical network scalability by replicating identical packets at routers. However, since its initial proposal the IP-multicast has not been widely enabled due to the slow pace of its deployment. Hence, the application-level multicast (ALM) concept emerged to solve this deployment issue by shifting the multicast support from routers to end-systems. The article reviews the most important facts of the Application-Level Multicast and its proposed models. Furthermore, the article describes a novel concept of modeling relative density of members called bunched mode and a proposed host-end multicast transport protocol called shortest tunnel first (STF). The bunched mode is based on the thematic multicast concept (TMC), which means that it is a typical multicast scenario where there are a lot of interested hosts in certain institutes and these institutes are relatively far from each other. The developed analysis tool NetSim and the implementation of the TMC called PardedeCAST are also presented as the tools of this research.


Author(s):  
K. Vishnu Vardhan ◽  
G. Ravi Kumar ◽  
Badi. Rajani ◽  
Y. sarada Devi

Wireless multicast routing send and receives the data source to destination. High error rates, unfixed and changeable self of the signal power and broadcast change with time and environment regularly result in not effective links. These services more weak to internal attacks coming from compromised nodes that behave randomly to disrupt the network, also referred to as Inside attacks. Our method ensures that as long as a fault-free path exists between two node or multi nodes in multicast group they can communicate reliably even if an destroy majority of the network acts in a complex mode. Multicast Group is the link on different Multicast Group’s Group Leader in multi hops networks.


2000 ◽  
Vol 32 (1) ◽  
pp. 35-60 ◽  
Author(s):  
Sudhir Aggarwal ◽  
Sanjoy Paul ◽  
Daniel Massey ◽  
Daniela Caldararu

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