MANET(SEELAMP)的可扩展的能量有效的位置感知组播协议
Scalable Energy Efficient Location Aware Multicast Protocol for MANET (SEELAMP)
摘要:
在带宽有限的多跳移动自组网络中,组播对于实现组通信起着重要的作用。然而,由于移动自组织网络的动态拓扑结构,建立最优的组播树和维护组成员是非常困难的,这使得在移动自组织网络(MANET)中实现可扩展的和鲁棒的组播更具挑战性。本文提出了一种可扩展且节能的移动自组织网络位置感知多播算法SEELAMP,该算法基于使用多播会话节点的物理位置创建共享树。它构造了一个共享的双向组播树,而不是一个网格,这有助于实现更有效的组播传输的路由操作。该算法使用的概念,每个节点周围的小重叠区域的主动拓扑维护与区域内。协议依赖于通过分布式定位服务获得的位置信息,有效地减少了路由搜索和共享组播树维护的开销。本文提出了一种新的本地连接管理技术,试图提高性能和可靠性。它采用了预防性的路由重新配置,以避免在链路中断的情况下的延迟,并防止网络分裂。
英文摘要:
Multicast plays an important role in implementing the group communications in bandwidth scarce multihop mobile ad hoc networks. However, due to the dynamic topology of MANETs it is very difficult to build optimal multicast trees and maintaining group membership, making even more challenging to implement scalable and robust multicast in Mobile Ad hoc Networks (MANET). A scalable and energy efficient location aware multicast algorithm, called SEELAMP, for mobile ad hoc networks is presented in the paper that is based on creation of shared tree using the physical location of the nodes for the multicast sessions. It constructs a shared bi-directional multicast tree for its routing operations rather than a mesh, which helps in achieving more efficient multicast delivery. The algorithm uses the concept of small overlapped zones around each node for proactive topology maintenance with in the zone. Protocol depends on the location information obtained using a distributed location service, which effectively reduces the overheads for route searching and shared multicast tree maintenance. In this paper a new technique of local connectivity management is being proposed that attempts to improve the performance and reliability. It employs a preventive route reconfiguration to avoid the latency in case of link breakages and to prevent the network from splitting.
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