2011 IEEE 5th International Conference on Internet Multimedia Systems Architecture and Application最新文献

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Analysis of IEEE 802.11 DCF for ad hoc networks: Saturation 用于自组织网络的IEEE 802.11 DCF分析:饱和
A. Abbas, K. A. A. Soufy
{"title":"Analysis of IEEE 802.11 DCF for ad hoc networks: Saturation","authors":"A. Abbas, K. A. A. Soufy","doi":"10.1109/IMSAA.2011.6156343","DOIUrl":"https://doi.org/10.1109/IMSAA.2011.6156343","url":null,"abstract":"Generally, IEEE 802.11 DCF is used as a MAC layer protocol to form an ad hoc network as it enables one to configure a mobile host either in ad hoc mode or infrastructure mode. In this paper, we carry out an analysis of IEEE 802.11 DCF for an ad hoc network under saturation conditions. We focus on the average end-to-end delay, throughput, and the loss probability for single hop as well as multiple hops along a path from a given source to a destination. We study the effect of collision probability, probability of packet transmissions, the transmission range/carrier sense range, and the number of buffers in the queue.","PeriodicalId":445751,"journal":{"name":"2011 IEEE 5th International Conference on Internet Multimedia Systems Architecture and Application","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130368870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Behavior model for detecting data exfiltration in network environment 网络环境下数据泄露检测的行为模型
Rajamenakshi Ramachandran, Subramanian Neelakantan, Ajay Shankar Bidyarthy
{"title":"Behavior model for detecting data exfiltration in network environment","authors":"Rajamenakshi Ramachandran, Subramanian Neelakantan, Ajay Shankar Bidyarthy","doi":"10.1109/IMSAA.2011.6156340","DOIUrl":"https://doi.org/10.1109/IMSAA.2011.6156340","url":null,"abstract":"There is a growing concern across the globe about exfiltration of sensitive data over network. This coupled with the increase in other insider threats pose greater challenge. Present day perimeter security solutions such as Intrusion detection & prevention system, firewall are not capable of detecting data-exfiltration. Also existing behavior models that can detect intrusions and worms do not incorporate mechanims to detect data-exfiltration. Devising an exclusive behavior based model is essential to detect data-exfiltration over network by utilizing parameters from both system and network. In this paper, we present a behavior approach based on Kernel Density Estimation (KDE) and co-relation co-efficient methods to detect data-exfiltration. Firstly, during the learning phase, we profile each host in a network and compute KDE values individually for system and network parameters. Secondly, during the detection phase we compute KDEs for the identified parameters and then correlate current KDE values with the learnt KDE values using Carl Pearsons correlation coefficient method to detect data-exfiltration over the network. We present our approach, analysis and the findings based on our model. Results obtained reveal that our approach detect data-exfiltration incidents over the network.","PeriodicalId":445751,"journal":{"name":"2011 IEEE 5th International Conference on Internet Multimedia Systems Architecture and Application","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126083800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
A collaborative approach to secure ad hoc routing protocols 一种保护自组织路由协议的协作方法
T. Bouabana-Tebibel
{"title":"A collaborative approach to secure ad hoc routing protocols","authors":"T. Bouabana-Tebibel","doi":"10.1109/IMSAA.2011.6156364","DOIUrl":"https://doi.org/10.1109/IMSAA.2011.6156364","url":null,"abstract":"Most of the secure ad hoc routing protocols are based on cryptographic solutions whose drawback is to decrease the network performances. In this paper, we propose a secure routing scheme for the DSR protocol. The proposed scheme combines the hash chains and digital signatures to provide a high level of security while reducing the costs of hop-by-hop signature verification. The proposed protocol is analyzed regarding its security. Several scenarios are used to demonstrate its efficiency in presence of attacks.","PeriodicalId":445751,"journal":{"name":"2011 IEEE 5th International Conference on Internet Multimedia Systems Architecture and Application","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113966812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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