Explicit multicasting for mobile ad hoc networks

被引:23
|
作者
Ji, LS
Corson, MS
机构
[1] Fujitsu Labs Amer, College Pk, MD 20740 USA
[2] Flarion Technol Inc, Bedminster, NJ 07921 USA
来源
MOBILE NETWORKS & APPLICATIONS | 2003年 / 8卷 / 05期
关键词
MANET; wireless networks; explicit multicasting; differentiated destination routing;
D O I
10.1023/A:1025189828172
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper we propose an explicit multicast routing protocol for mobile ad hoc networks (MANETs). Explicit multicasting differs from common approaches by listing destination addresses in data packet headers. Using the explicit destination information, the multicast routing protocol can avoid the overhead of employing its own route construction and maintenance mechanisms by taking advantage of unicast routing table. Our protocol-termed Differential Destination Multicast (DDM)-is an explicit multicast routing protocol specifically designed for MANET environment. Unlike other MANET multicasting protocols, instead of distributing membership control throughout the network, DDM concentrates this authority at the data sources (i.e. senders) thereby giving sources knowledge of group membership. In addition, differentially-encoded, variable-length destination headers are inserted in data packets which are used in combination with unicast routing tables to forward multicast packets towards multicast receivers. Instead of requiring that multicast forwarding state to be stored in all participating nodes, this approach also provides the option of stateless multicasting. Each node independently has the choice of caching forwarding state or having its upstream neighbor to insert this state into self-routed data packets, or some combination thereof. The protocol is best suited for use with small multicast groups operating in dynamic MANET environment.
引用
收藏
页码:535 / 549
页数:15
相关论文
empty
未找到相关数据