| The Protocol Independent Multicast-Sparse Mode (PIM-SM) protocol establishes core-base tree to forward multicast datagrams in a network. In PIM-SM, the core or Rendezvous Point (RP) of a group is determined at each multicast router by hashing a group address, i.e., a class-D IP address, to one of the candidate RPs. The hash function is characterized by its ability to evenly and uniquely choos...

When striving for reliability, multicast protocols are most commonly designed as deterministic solutions. Such an approach seems to make the reasoning about reliability guarantees (traditionally, binary, ‘‘all-or-nothing’’-like) in the face of packet losses and/or node crashes. It is however precisely this determinism that tends to become a limiting factor when aiming at both reliability and sc...

ODMRP protocol is an on-demand multicast routing protocol in mobile ad-hoc network. This paper presents the On-Demand Multicast Routing Protocol with Multipoint Relay(ODMRP-MPR) which bases on ODMRP. ODMRP-MPR inducts multipoint relay technique to reduce the control overhead, obtain high scalability and effectively solve the unidirectional link problem of wireless communication. At the same tim...

This paper proposes the modeling and the performance analysis of a high-level control protocol – COCOP, which enables cooperative groups of clients to control a shared server delivering time-dependant data services. Several synchronous multimedia systems such as media on-demand, web casting, and networks of real/virtual sensors, can beneficially exploit COCOP to furnish cooperative control sess...

© 2009 Sung Won Kim et al. 83 ABSTRACT⎯Compared with unicast, multicast over wireless ad-hoc networks do not support reliability due to their inability to exchange request-to-send/clear-to-send (RTS/CTS) and ACK packets with multiple recipients. Although several media access control (MAC) layer protocols have been proposed to provide reliable multicast, these introduce additional overhead, whic...

Multicast services are demanded by a variety of applications. Many applications require anonymity during their communication. However, there has been very little work on anonymous multicasting and such services are not available yet. Due to the fundamental differences between multicast and unicast, the solutions proposed for anonymity in unicast communications cannot be directly applied to mult...

Reliable multicast is difficult to achieve in CSMA/CA networks when multiple multicast and unicast senders compete for the medium. We propose a leader based priority ring multicast protocol (LPRMP) to increase reliability in wireless LANs. The algorithm is specifically tailored to accommodate a large number of legacy stations in multiple overlapping cells since the LPRMP solution only requires ...

Currently, multicast services can be implemented at the IP layer or the application layer. While IP multicast violates the stateless paradigm of Internet and incurs great difficulties to congestion and flow control, application-layer multicast is lack of scalability due to the unreliability and resource constraints of end-hosts. Moreover, security is a main weakness in Internet-wide group commu...

Source Specific Multicast (SSM) is a viable solution for current multicast applications, since the driving applications to date are one to many, including Internet TV, distance learning, file distribution and streaming media, etc.. It brings many benefits in billing, address allocation, and security. However, SSM still confronts the serious state scalability problem when there are a large numbe...

Anonymity is still a challenging issue in mobile ad hoc networks. Specially although operating as groups is required by many of ad hoc applications, there is only a little work on anonymous multicast routing algorithms. In this work we propose an Anonymous Multicast routing protocol for ad hoc networks called AnoMul based on the underlying unicast routing protocol ANODR proposed by J. Kong et a...