文章基本信息

标题：A New Approach of Enhanced Buffer Management Policy in Delay Tolerant Network (DTN)
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作者：Mohammad Rahmatullah ; Dr Priyanka Tripathi
期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2014
卷号：5
期号：4
页码：4966-4969
出版社：TechScience Publications
摘要：Delay tolerant-network is emerging technology in wireless communication. This network is applied generally when there is no end-to-end path from source to destination. In current TCP/IP technology communication is possible only when end-to-end path is available. But two major issues in DTN (Abbreviation) are routing and buffer management. Routing strategy determine which message should be forwarded when node comes in contact with another. Buffer management policy strategy determines which message will be dropped when node is overflow. These two are very useful strategies that are used in DTN. In this paper we have proposed a new buffer management policy based on message forwarding and message replication on the network. We have introduced two utility functions. These functions are to find which message will be dropped when buffer overflow occurs. There is a special protocol named Bundle Protocol (BP) that is not in TCP/IP. Bundle protocol (BP) provides store-carryforward mechanism that means when node is not in radio range then message is hold by the node and when node comes in range then message will be forwarded.
关键词：Delay Tolerant; Routing; Buffer Management;ETR; MF;EBMP.