M. Gerla G. Pei, S. J. Lee, and C. C. Chiang, "On-demand multicast routing protocol," Internet Draft. (1998). [Online]. Available WWW: http://www.ietf.org/internet-drafts/draft-ietf-manet-odmrp-00.txt.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....several protocols have been proposed. A subset of those protocols are those constructing routes from a source node to a destination node on demand, i.e. when the source node has data traffic to transmit to the destination node. These are usually identified as reactive protocols [14] 11] 6] [10], 1] These protocols basically construct routes using the following mechanism: 1) The source node emits a request packet, which is retransmitted once by all nodes which receive it, incrementing a hop counter in the packet; Thomas Heide Clausen may also be contacted at MindPass Center for ....

S.-J. Lee, M. Gerla, and C.-C. Chiang. On-demand multicast routing protocol. In Proceedings of IEEE WCNC'99, pages 1298-- 1302, September 1999. New Orleans, LA.

....N number of nodes M number of edges = 2M=N average degree of a node d = N link density link breakage rate (mobility) L average length of a route TABLE II PARAMETERS DESCRIBING THE NETWORK. TORA [18] by M. S. Corson and V. Park, DSR [12] by J.Broch, D.Johnson and D. Maltz, ODMRP [16] by S. J. Lee, M. Gerla, and C. C. Chiang, and RDMAR [1] Most of these protocol optimize their flooding cost. These various optimizations are not analyzed in this paper. Proactive protocols include OLSR [4] by Qayyum, Jacquet, Muhlethaler, Laouiti, Clausen and Viennot and TBRPF [2] by R. Ogier ....

S.-J. Lee, M. Gerla, and C.-C. Chiang. On-demand multicast routing protocol. In Proceedings of IEEE WCNC'99, pages 1298--1302, September 1999. New Orleans, LA.

....iBus before the time of JMS used heavily multicast. Currently several JMS products support multicast transport such as TIB Rendezvous. However, JMS has not been tried on mobile ad hoc networks. Much research currently focuses on general datagram routing in both unicast and multicast routing [4, 25, 31, 18, 24], but no definite solution to provide JMS semantics using these protocols has been provided. Pronto uses multicast for JMS on ad hoc networks. An example of a drawback of using multicast is the drastic performance reduction with redundant rebroadcasts [23] For reliable protocol over IP multicast, ....

S. Lee, M. Gerla, and C. Chiang. On-Demand Multicast Routing Protocol. In Proceedings of IEEE WCNC '99, pages 1298--1302, September 1999.

....becomes useless. Work on multicast routing in ad hoc networks gained momentum in the mid 90s. Some early approaches to provide multicast support in ad hoc networks consisted of adapting the existing Internet multicasting protocols; For example Shared Tree Wireless network Multicast [Chi97] ODMRP [Lee99], AMRIS [Wu99] CAMP [Gar98] and others [Roy99b] Bom98] Lee00] Bri00] Zho00] Con00] San98] Sin99] and [Wie99] have been designed specifically for ad hoc networks. ODMRP is a mesh based, on demand protocol that uses soft state approach for maintenance of the message transmission ....

....independent of the data rate. Both signaling traffic and join latency are relatively low for typical group sizes. They verify that group members receive a high proportion of data multicast by a sender, even in the case of a dynamic network. 4. 5 ODMRP : On Demand Multicast Routing Protocol ODMRP [Lee99] is a mesh based rather than a conventional tree based scheme and uses a forwarding group concept (only a subset of nodes forwards the multicast packets via scoped flooding) By maintaining a mesh instead of a tree, the drawbacks of multicast trees in ad hoc networks like frequent tree ....

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S.-J. Lee, M. Gerla, and C.-C. Chiang, "On-Demand Multicast Routing Protocol", IEEE WCNC'99, New Orleans, LA, September 1999, pp.1298-1304

....ad hoc networks (Pan) as a solution. Innovating on the principles of probabilistic quorum systems, Pan applies an asymmetric quorum construction scheme for e#ciency and relies on a gossip based multicast protocol (rather than a multicast primitive from the network layer, e.g. MAODV [15] ODMRP [16], CAMP [17] for quorum accesses in order to improve the robustness and to combat the high probability of channel failures due to node mobility. We present analytical results predicting the performance of Pan in terms of message overhead and reliability degree. We then compare these results with ....

S.J. Lee, M. Gerla, and C.C. Chiang, "On-demand multicast routing protocol," in Proc. of WCNC'99, 1999, vol. 3, pp. 1298--1302.

....in an adhoc network. In mesh based approaches there may be multiple paths to each receiver. This redundancy provides increased protection against topological changes. Examples of mesh based multicast routing protocols for mobile ad hoc networks are: On Demand Multicast Routing Protocol (ODMRP) [15], Core Assisted Mesh Protocol (CAMP) 16] Neighbor Supporting Ad hoc Multicast Routing Protocol (NSMRP) 17] and Dynamic Core Based Multicast Routing Protocol (DCMP) 18] Both, tree and mesh based multicast routing protocols, need to maintain state information about the distribution ....

S. Lee, M. Gerla, and C. Chiang, "On Demand Multicast Routing Protocol," in Proc of IEEE WCNC, August 1999, pp. 1298--1302.

....multicast in ad hoc networks suffer strongly from an amplification of the tradeoff between reliability and scalability already encountered with such protocols in wired networks. Existing (unreliable) protocols (ad hoc analogues to IP Multicast) provide no reliability guarantees at all (e.g. 9] [10]) and proposals attempting to detect and repair failures (e.g. 11] 12] can hardly generate any throughput when the network topology undergoes frequent changes. Finally, no protocols providing strong reliability guarantees in the sense of all or nothing semantics (the first aforementioned ....

S.J. Lee, M. Gerla, and C.C. Chiang, "On-demand multicast routing protocol," in Proc. IEEE Wireless Communications and Networking Conference, 1999.

....several topology control algorithms have been proposed in the literature, among which the relay region and enclosure based approach [9] CBTC(#) 7] COMPOW [5] and CONNECT [8] may have received the most attention. Several broadcast multicast algorithms for ad hoc wireless networks ( 10] 11] [12] [13] 14] have also attempted to maintain some type of overlay topology, upon which a multicast tree mesh can be built. The issue of constructing an overlay topology to facilitate multicast tree mesh building is outside the scope of this paper. Relay region and enclosure based approach (R M) ....

S.-J. Lee, M. Gerla, and C.-C. Chiang, "On-demand multicast routing protocol," in Proc. IEEE Wireless Communications and Networking Conference (WCNC 1999.

....some location information system, such as GPS, in our work. In addition to unicast routing protocols, there has been recent interest in the development of multicast protocols for MNs in an ad hoc network. A few example multicast protocols include the On Demand Multicast Routing Protocol (ODMRP) [9, 24] and the Core Assisted Mesh Protocol (CAMP) 11, 28] This article concerns a variation on multicast communication, i.e. geocast communication. # This work supported in part by NSF Grants ANI 9996156 and ANI 0073699. Research group s URL is http: toilers.mines.edu # To appear in the ....

....zone. If the node is closer to the destination than its neighbor, it will forward the route request packet; otherwise, it drops the route request packet because its neighbor is closer than the node to the expected zone. Lastly, a mesh, which is used to route multicast packets in both ODMRP [9, 24] and CAMP [11, 28] is used to route geocast packets in GAMER. Source tree based and core based multicasting protocols suffer from weak performance in an ad hoc network due to the frequent tree maintenance cost and resource constraints of MNs. Mesh based multicasting approaches have been developed ....

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S.-J. Lee, M. Gerla, and C.-C. Chiang. On-demand multicast routing protocol. In Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'99), September 1999.

....control point. Work on multicast routing in ad hoc networks gained momentum in the mid 90s. Some early approaches to provide multicast support in ad hoc networks consisted of adapting the existing Internet multicasting protocols (e.g. Shared Tree Wireless network Multicast [1] Others like ODMRP [2], AMRIS [3] CAMP [4] and [5] have been designed specifically for ad hoc networks. This work hasbeen sponsored in part by ONR contract no. N00014 001 0564, AFRL contract no. F360602 97 C 0133, and NSF grant no. ANI 9980521. One common characteristic of most of these approaches is that they ....

S.-J. Lee, M. Gerla and C.-C. Chiang, "On-Demand Multicast Routing Protocol", Proc. IEEE WCNC'99, New Orleans, LA, Sept 1999, pp. 1298-1304.

....of ad hoc networks. Multicasting in MANET faces many challenges due to the continuous changes in network topology and limited channel bandwidth. Thus conventional multicast schemes designed for wire line networks cannot directly apply. Many multicast routing protocols have been proposed for MANET [2], 3] 4] 5] 6] 7] For these protocols, robustness and high overhead are key problems. They maintain state information at all involved nodes, both member nodes and non member nodes that act as routers for supporting the multicast session. This widespread maintenance of state information ....

S.J. Lee, M. Gerla, and C.-C. Chiang, "On Demand Multicast Routing Protocol," In Proceedings of IEEE WCNC'99, pp. 1298-1302, September 1999.

....devices. In addition, communication routes between mobile devices are often multihop because of limited radio propagation range. Thus, a separate protocol for service advertisement and discovery in MANET would be highly appropriate. In [9] based on the on demand multicast routing protocol (ODMRP) [14], we presented a protocol for service advertisement and discovery in MANETs. Compared to other multicast protocols for MANET, ODMRP is very effective and efficient in most simulation scenarios presented in [15] Basically, service advertisement and discovery information is piggybacked in the ODMRP ....

S. Lee, M. Gerla and C. Toh, On-demand multicast routing protocol (ODMRP) for ad hoc networks, Internet draft, work in progress (June 1999) http://www.ietf.org/proceedings/99jul/I-D/ draft-ietf-manet-odmrp-01.txt

....to multicast in ad hoc networks suffer strongly from an amplification of the tradeoff between reliability and scalability already encountered with such protocols in wired networks. Existing unreliable protocols (ad hoc analogues to IP Multicast) provide no reliability guarantees at all (e.g. 9] [10]) and proposals attempting to detect and repair failures (e.g. 11] 12] can hardly generate any throughput when the network topology is undergoing frequent changes. Finally, no protocols intending to provide strong reliability guarantees in the sense of the first abovementioned category of ....

S.J. Lee, M. Gerla, and C.C. Chiang, "On-demand multicast routing protocol," in Proc. IEEE Wireless Communications and Networking Conference, 1999.

....reconfigurations may become prohibitive beyond a critical speed. There are currently two popular on demand multicast routing protocols proposed for use in MANET. Namely, Multicast Ad Hoc On Demand Vector routing protocol (M AODV) RP00,RP99] and On Demand Multicast Routing Protocol (ODMRP) [GLS00,LGC99]. Up till now there has not been a side to side comparison of these protocols. This thesis provides the following contributions: 1. Support for developing Multicast Ad Hoc routing protocols within a standard network simulator, Ns 2. Please see Appendices for more information) 2. An ....

S.-J. Lee, M. Gerla, and C.-C Chiang,"On-Demand Multicast Routing Protocol", In Proceedings of IEEE WCNC' 99, New Orleans, LA,, pp. 1298-1304, September 1999.

....the use of geographic information, obtained via a system such as the Global Positioning System (GPS) in unicast routing [12, 13, 14, 15, 16] Multicast communication involves one source node sending data to a number of destination nodes. Recent work in multicast communication for MANETs include [17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]. Network wide broadcasting, simply referred to as broadcasting for the remainder of this thesis, is the process in which one node sends a packet to all other nodes in the network. Broadcasting may be used to disseminate data to all other nodes in the network or may be used by MANET unicast or ....

S.-J. Lee, M. Gerla, and C.-C. Chiang. On-demand multicast routing protocol. In Proceedings of the IEEE Wireless Communications and Networking Conference (WCNC), September 1999.

....tree based; 2) mesh based; and 3) flooding. The tree based algorithms (AODV [18] LAM [19] AMRoute [20] AMRIS [21] construct and maintain a shared tree spanning over all members of a multicast group. Tree repair is carried out when a tree edge is broken. In mesh based algorithms (CAMP[22] ODMRP[23]) additional edges are added to a tree to create richer connectivity for a more robust and efficient packet distribution. The flooding approach simply floods the network with multicast packets without any distribution structure [3] Flooding aims at higher packet delivery guarantees, especially ....

S.-J. Lee, M. Gerla, and C.-C. Chiang, On-Demand Multicast Routing Protocol, Proc. of IEEE WCNC'99, New Orleans, LA, September 1999, pp.1298-1302.

....than its neighbor, it will forward the route request packet; otherwise, it drops the route request packet because its neighbor is closer than the node to the expected zone. Lastly, a mesh, which is used to route multicast packets in both the On Demand Multicast Routing Protocol (ODMRP) [6, 15] and the Core Assisted Mesh Protocol (CAMP) 8, 17] is used to route geocast packets in GAMER. Source tree based and core based multicasting protocols su er from weak performance in an ad hoc network due to the frequent tree maintenance cost and resource constraints of MNs. Mesh based ....

....su er from weak performance in an ad hoc network due to the frequent tree maintenance cost and resource constraints of MNs. Mesh based multicasting approaches have been developed for an ad hoc network in order to avoid these problems with source tree based and core based multicasting protocols [8, 15]. A mesh is a subset of the network topology that provides multiple paths between multicast senders and receivers. Simulation results illustrate a mesh maintains connectivity of the multicast group more e ectively than a tree in times of high mobility. A mesh is used in GAMER to establish ....

S.-J. Lee, M. Gerla, and C.-C. Chiang. On-demand multicast routing protocol. In Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'99), September 1999.

....of the mesh where receivers are present. A router can leave the group when there are no other hosts or routers depending on it simply by advertising the change in group membership to their neighbors. The Forwarding Group Multicast Protocol (FGMP) 3] and the On demand Multicast Routing Protocol [13] also build a variation of meshes. However, to establish group meshes, they require for control packets to be flooded in an ad hoc network. The difference between these two protocols is who starts the flooding in the former, the receivers, and in the latter, the senders. This approach is ....

....group. Therefore, for comparative purposes, we implemented a simple tree based protocol that can be used to capture all the features of the main tree based multicast protocols with receiverbased joining proposed or implemented to date. Also implemented was the On demand Multicast Routing Protocol [13]. The objective of the simulation experiments is to illustrate that the mesh approach used by CAMP is more robust than shared tree structures and is more scalable than the flood based mesh approach used in ODMRP and FGMP. We implemented a shared tree multicast routing protocol that is similar to ....

[Article contains additional citation context not shown here]

M. Gerla, et al., "On-Demand Multicast Routing Protocol," Internet Draft, http://www.ietf.org/internet-drafts/draft-ietf-manet-odmrp-00.txt, November, 1998.

....in these paths break due to effects such as node motion, radio propagation, or wireless interference. Most prior work in ad hoc network routing has focused on routing of unicast packets, but a number of ad hoc network multicast routing protocols have been proposed over the past few years as well [19, 25, 8, 14, 13, 24, 23, 2, 4, 22], using a variety of basic routing algorithms and techniques. Of these multicast routing protocols, a few attempt to operate in an on demand fashion [19, 22, 14, 13, 24, 12] in which the operation of the protocol is driven by the presence of data packets being sent rather than by continuous or ....

....but a number of ad hoc network multicast routing protocols have been proposed over the past few years as well [19, 25, 8, 14, 13, 24, 23, 2, 4, 22] using a variety of basic routing algorithms and techniques. Of these multicast routing protocols, a few attempt to operate in an on demand fashion [19, 22, 14, 13, 24, 12], in which the operation of the protocol is driven by the presence of data packets being sent rather than by continuous or periodic background activity of the protocol. For routing of unicast packets in ad hoc networks, such on demand operation has been shown to have substantial advantages in ....

[Article contains additional citation context not shown here]

S.-J. Lee, Mario Gerla, and C.-C. Chiang. On-Demand Multicast Routing Protocol. In Proceedings of the IEEE Wireless Communications and Networking Conference, WCNC '99, pages 1298--1304, September 1999.

....routing schemes to foil routing misbehavior. However, so far little efforts have been exerted on securing multicast protocols in ad hoc networks. We will analyse the security demands of wireless multicast protocols in ad hoc networks and devise corresponding countermeasures. In particular, ODMRP [53, 54] is an efficient ad hoc multicast protocol that needs security protection. Publications Submitted Papers Jiejun Kong, Mario Gerla, Adaptive Security Support for Real time Transmissions in Ad Hoc Networks , Extended Abstract, submitted to MED HOC NET Workshop. Jiejun Kong, Mario Gerla, B.S. ....

S.-J. Lee, W. Su, and M. Gerla. On-Demand Multicast Routing Protocol (ODMRP) for Ad Hoc Networks. Internet Draft (draft-ietf-manet-odmrp-02.txt), January 2000.

....routing schemes to foil routing misbehavior. However, so far little efforts have been exerted on securing multicast protocols in ad hoc networks. We will analyse the security demands of wireless multicast protocols in ad hoc networks and devise corresponding countermeasures. In particular, ODMRP [53, 54] is an efficient ad hoc multicast protocol that needs security protection. Publications Submitted Papers Jiejun Kong, Mario Gerla, Adaptive Security Support for Real time Transmissions in Ad Hoc Networks , Extended Abstract, submitted to MED HOC NET Workshop. Jiejun Kong, Mario Gerla, B.S. ....

S.-J. Lee, M. Gerla, and C.-C. Chiang. On-Demand Multicast Routing Protocol. In IEEE WCNC, pages 1298--1302, 1999.

No context found.

M. Gerla G. Pei, S. J. Lee, and C. C. Chiang, "On-demand multicast routing protocol," Internet Draft. (1998). [Online]. Available WWW: http://www.ietf.org/internet-drafts/draft-ietf-manet-odmrp-00.txt.

No context found.

M. Gerla, S.-J. Lee, and W. Su. On-Demand Multicast Routing Protocol (ODMRP) for Ad Hoc Networks. In Internet draft, draft-ietf-manet-odmrp-02.txt, 2000.

No context found.

S. J. Lee, M. Gerla, and C. C. Chiang. On-demand multicast routing protocol. In Proceedings of IEEE WCNC'99, 1999.

No context found.

S. Lee, M. Gerla, C. Chiang, "On-demand multicast routing protocol", IEEE WCNC, p. 1298-1302, vol. 3, 1999.

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