收稿日期: 2014-01-21
修回日期: 2014-04-14
基金资助
国家自然科学基金(61170231,61390513)和中国科学技术大学创新团队项目(WK2100100021)资助
A storage management scheme based on cross-layer packet size optimization in DTN
Received date: 2014-01-21
Revised date: 2014-04-14
姜福凯 , 卢汉成 . 基于跨层包大小优化的DTN节点存储资源管理机制[J]. 中国科学院大学学报, 2014 , 31(6) : 836 -842 . DOI: 10.7523/j.issn.2095-6134.2014.06.016
Delivery of the application data in delay tolerant network relies on the custody transfer provided by the node storage. Fast release of the occupied node storage is significant for reducing congestion and enhancing network capacity. Studies have shown that the storage efficiency is affected by the size of packet at various network layers. We propose a storage management scheme based on cross-layer packet size optimization, OSUS. OSUS can dynamically adjust Bundle size and the transport layer frame size to maximize the node storage utilization. Simulation results show that, compared with traditional schemes where joint optimization algorithms are not adopted, OSUS can bring 15% improvement on average in the node storage utilization.
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