2015 Latin American Network Operations and Management Symposium (LANOMS)最新文献

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Mitigating DoS attacks in identity management systems through reorganizations 通过重组减少身份管理系统中的DoS攻击
2015 Latin American Network Operations and Management Symposium (LANOMS) Pub Date : 2015-10-01 DOI: 10.1109/LANOMS.2015.7332666
Ricardo Macedo, Y. Ghamri-Doudane, M. N. Lima
{"title":"Mitigating DoS attacks in identity management systems through reorganizations","authors":"Ricardo Macedo, Y. Ghamri-Doudane, M. N. Lima","doi":"10.1109/LANOMS.2015.7332666","DOIUrl":"https://doi.org/10.1109/LANOMS.2015.7332666","url":null,"abstract":"Ensuring identity management (IdM) systems availability plays a key role to support networked systems. Denial-of-Service (DoS) attacks can make IdM operations unavailable, preventing the use of computational resources by legitimate users. In the literature, the main countermeasures against DoS over IdM systems are based on either the application of external resources to extend the system lifetime (replication) or on DoS attacks detection. The first approach increases the solutions cost, and in general the second approach is still prone to high rates of false negatives and/or false positives. Hence, this work presents SAMOS, a novel and paradigm-shifting Scheme for DoS Attacks Mitigation by the reOrganization and optimization of the IdM System. SAMOS optimizes the reorganization of the IdM system components founded on optimization techniques, minimizing DoS effects and improving the system lifetime. SAMOS is based on the unavailabilities effects such as the exhaustion of processing and memory resources, eliminating the dependence of attacks detection. Furthermore, SAMOS employs operational IdPs from the IdM system to support the demand of the IdM system, differently from replication approaches. Results considering data from two real IdM systems indicate the scheme viability and improvements. As future works, SAMOS will be prototyped in order to allow performance evaluations in a real testbed.","PeriodicalId":220543,"journal":{"name":"2015 Latin American Network Operations and Management Symposium (LANOMS)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131705222","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: 7
Monitoring-based validation of functional and performance aspects of a greedy ant colony optimization protocol 基于监测的贪婪蚁群优化协议的功能和性能验证
2015 Latin American Network Operations and Management Symposium (LANOMS) Pub Date : 2015-10-01 DOI: 10.1109/LANOMS.2015.7332672
Raul A. Fuentes-Samaniego, A. Cavalli, Wissam Mallouli, J. Baliosian
{"title":"Monitoring-based validation of functional and performance aspects of a greedy ant colony optimization protocol","authors":"Raul A. Fuentes-Samaniego, A. Cavalli, Wissam Mallouli, J. Baliosian","doi":"10.1109/LANOMS.2015.7332672","DOIUrl":"https://doi.org/10.1109/LANOMS.2015.7332672","url":null,"abstract":"Delay Tolerant Networks (DTN) are well adapted for situations where the network nodes suffer from intermittent communications due to the high mobility of the nodes and the constantly changing environment. Several research works tried to address this problem and lately, an ants-based protocol named GrAnt, has been proposed as one of the best solutions. In this paper we firstly assess GrAnt performance in much more challenging conditions than those presented by its authors, and secondly, we present a generic methodology based on MMT, an online security monitoring tool that enables real-time analysis of network traffic, to correlate the performance of a DTN protocol (such as GrAnt) with the information stored in its messages in order to validate the reliability of the protocol.","PeriodicalId":220543,"journal":{"name":"2015 Latin American Network Operations and Management Symposium (LANOMS)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133219351","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: 2
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