To decrease the delay of message, heighten the ratio of subscribers' satisfying and reduce the traffic in DTN(Delay Tolerance Networks), we propose the weighted STPS (Space-Time based on content-based Pub/Sub algorithm) which is the first to utilize both the contact space and time information of any pair of nodes in history to bulid a multi-level overlay network on the physical DTN which is divided into several fixed and identical grids. The message transmission is realized in the two-level overlay network with the strategy that the weight of interest is used for the brokers select messages to send priorly. The experiment results show that compared with existing technicals, the weighted STPS can be applied to message transmission in DTN more effectively.
|Original language||English (US)|
|Number of pages||6|
|State||Published - 2011|
|Event||2011 International Conference on Advanced in Control Engineering and Information Science, CEIS 2011 - Dali, Yunnam, China|
Duration: Aug 18 2011 → Aug 19 2011
Bibliographical noteFunding Information:
* This work is partially supported by National Natural Science Foundation of China under Grant No. 60803148 and No.
- Content-based pub/sub
- Message transmission