A community-based event delivery protocol in publish/subscribe systems for delay tolerant sensor networks.
A community-based event delivery protocol in publish/subscribe systems for delay tolerant sensor networks.
复制标题
延迟容忍传感器网络的发布/订阅系统中基于社区的事件传递协议
DOI：
10.3390/s91007580
复制
发表时间：
2009
期刊：
影响因子：
--
通讯作者：
Gong H
中科院分区：
文献类型：
--
作者：
Liu N;Liu M;Zhu J;Gong H
延迟容忍传感器网络（DTSN）的基本操作是在间歇性连接的网络中完成普遍的数据采集，而发布/订阅（简称Pub/Sub）模式用于以异步方式将事件从源传递到感兴趣的客户端。最近，在DTSN中扩展Pub/Sub系统已成为一个有前景的研究课题。然而，由于DTSN独特的频繁分区特性，在DTSN中扩展Pub/Sub系统是一个相当困难且具有挑战性的问题，并且在已发表的作品中没有针对该问题的良好解决方案。为了使Pub/Sub系统适应DTSN，我们提出了CED，一种基于社区的事件传递协议。在我们的设计中，事件传递基于几个不变的社区，这些社区是由网络中的传感器节点根据它们的连接性形成的。CED由两个组件组成：事件传递和队列管理。在事件传递中，一旦订阅者进入社区，社区中的事件就会传递给移动订阅者，以提高数据传递率。队列管理同时使用事件成功传递时间和事件生存时间来决定是否应该传递或丢弃一个事件，以最小化传输开销。通过综合模拟研究证明了CED的有效性。
The basic operation of a Delay Tolerant Sensor Network (DTSN) is to finish pervasive data gathering in networks with intermittent connectivity, while the publish/subscribe (Pub/Sub for short) paradigm is used to deliver events from a source to interested clients in an asynchronous way. Recently, extension of Pub/Sub systems in DTSNs has become a promising research topic. However, due to the unique frequent partitioning characteristic of DTSNs, extension of a Pub/Sub system in a DTSN is a considerably difficult and challenging problem, and there are no good solutions to this problem in published works. To ad apt Pub/Sub systems to DTSNs, we propose CED, a community-based event delivery protocol. In our design, event delivery is based on several unchanged communities, which are formed by sensor nodes in the network according to their connectivity. CED consists of two components: event delivery and queue management. In event delivery, events in a community are delivered to mobile subscribers once a subscriber comes into the community, for improving the data delivery ratio. The queue management employs both the event successful delivery time and the event survival time to decide whether an event should be delivered or dropped for minimizing the transmission overhead. The effectiveness of CED is demonstrated through comprehensive simulation studies.
影响因子：
16.6
作者：
Eugster, PT;Felber, PA;Kermarrec, AM
通讯作者：
Kermarrec, AM
影响因子：
--
作者：
Camp, T;Boleng, J;Davies, V
通讯作者：
Davies, V