Pub Date : 2011-11-15DOI: 10.1109/LANMAN.2011.6076926
Hui Wang, G. Rouskas
We address the issue of ensuring the integrity and privacy of communications in optical networks. To this end, we extend the traffic grooming concept to encompass flow isolation considerations through a multi-class traffic model. We develop, solve, and compare ILP formulations that ensure that only traffic components within the same class are groomed onto (share) the same wavelength. Our approach provides flow isolation guarantees with an increase in overall cost as a tradeoff.
{"title":"Flow isolation in optical networks","authors":"Hui Wang, G. Rouskas","doi":"10.1109/LANMAN.2011.6076926","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076926","url":null,"abstract":"We address the issue of ensuring the integrity and privacy of communications in optical networks. To this end, we extend the traffic grooming concept to encompass flow isolation considerations through a multi-class traffic model. We develop, solve, and compare ILP formulations that ensure that only traffic components within the same class are groomed onto (share) the same wavelength. Our approach provides flow isolation guarantees with an increase in overall cost as a tradeoff.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126166474","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}
Pub Date : 2011-11-15DOI: 10.1109/LANMAN.2011.6076943
Rivalino Matias, Ana M. M. Carvalho, Valiana A. Teodoro, Daniel Tes, Lucio Borges de Araujo
The literature of network traffic analysis has successfully investigated several sophisticated models to be used in computer network traffic forecasting. Although these models have shown very good results in many controlled studies, the complexity of their implementation may be an important factor for preventing their large adoption in real production environment. We advocate that simpler forecasting models can also show very good accuracy — similar to the complex ones — for real scenarios of LAN/MAN network traffic, and being less intricate to implement and deploy in practical network management applications. In this paper we investigate the goodness of fit of nine classic forecast models applied to IP traffic samples drawn from real networks. The obtained results support our hypothesis given that the simpler investigated models demonstrate prediction accuracy very close to the advanced models for the studied scenarios.
{"title":"Performance comparison of forecasting models applied to LAN/MAN traffic prediction","authors":"Rivalino Matias, Ana M. M. Carvalho, Valiana A. Teodoro, Daniel Tes, Lucio Borges de Araujo","doi":"10.1109/LANMAN.2011.6076943","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076943","url":null,"abstract":"The literature of network traffic analysis has successfully investigated several sophisticated models to be used in computer network traffic forecasting. Although these models have shown very good results in many controlled studies, the complexity of their implementation may be an important factor for preventing their large adoption in real production environment. We advocate that simpler forecasting models can also show very good accuracy — similar to the complex ones — for real scenarios of LAN/MAN network traffic, and being less intricate to implement and deploy in practical network management applications. In this paper we investigate the goodness of fit of nine classic forecast models applied to IP traffic samples drawn from real networks. The obtained results support our hypothesis given that the simpler investigated models demonstrate prediction accuracy very close to the advanced models for the studied scenarios.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132599996","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}
Pub Date : 2011-11-15DOI: 10.1109/LANMAN.2011.6076933
Anastasios Alexandridis, Paulos Charonyktakis, Antonis Makrogiannakis, Artemis Papakonstantinou, M. Papadopouli
The Forthroid is a location-based system that “augments” physical objects with multimedia information and enables users to receive information about physical objects or request services related to physical objects. It employs computer-vision techniques and Quick Response codes (QR-codes). We have implemented a prototype on Android platforms and evaluated its performance with systems metrics and subjective tests. We discuss our findings and challenges in prototyping on Android OS. The analysis indicates that the network and the server are the main sources of delay, while the CPU load may vary depending on the specific Forthroid operation. The preliminary subjective test results suggest that users tolerate these delays and the offered services can be particularly useful.
{"title":"Forthroid on Android: A QR-code based information access system for smart phones","authors":"Anastasios Alexandridis, Paulos Charonyktakis, Antonis Makrogiannakis, Artemis Papakonstantinou, M. Papadopouli","doi":"10.1109/LANMAN.2011.6076933","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076933","url":null,"abstract":"The Forthroid is a location-based system that “augments” physical objects with multimedia information and enables users to receive information about physical objects or request services related to physical objects. It employs computer-vision techniques and Quick Response codes (QR-codes). We have implemented a prototype on Android platforms and evaluated its performance with systems metrics and subjective tests. We discuss our findings and challenges in prototyping on Android OS. The analysis indicates that the network and the server are the main sources of delay, while the CPU load may vary depending on the specific Forthroid operation. The preliminary subjective test results suggest that users tolerate these delays and the offered services can be particularly useful.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133300457","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}
Pub Date : 2011-10-01DOI: 10.1109/LANMAN.2011.6076931
R. Netravali, Jack Brassil
Location-based applications (e.g., foursquare, Groupon) rely on each client's assertion of his or her location (e.g., uploaded GPS coordinates). Yet these service providers seek methods to authenticate the location of clients to enhance targeted service delivery and support their advertisers. We propose an intelligent infrastructure-based solution that provides spontaneous, transaction-oriented, collusion-resistant mobile device location authentication to a remote party via an integrated 802.11× wireless access point and 3G femtocell access system.
{"title":"Femtocell-assisted location authentication","authors":"R. Netravali, Jack Brassil","doi":"10.1109/LANMAN.2011.6076931","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076931","url":null,"abstract":"Location-based applications (e.g., foursquare, Groupon) rely on each client's assertion of his or her location (e.g., uploaded GPS coordinates). Yet these service providers seek methods to authenticate the location of clients to enhance targeted service delivery and support their advertisers. We propose an intelligent infrastructure-based solution that provides spontaneous, transaction-oriented, collusion-resistant mobile device location authentication to a remote party via an integrated 802.11× wireless access point and 3G femtocell access system.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125030950","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}
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