{"title":"Chkdiff: checking traffic differentiation at internet access","authors":"Riccardo Ravaioli, C. Barakat, G. Urvoy-Keller","doi":"10.1145/2413247.2413282","DOIUrl":"https://doi.org/10.1145/2413247.2413282","url":null,"abstract":"In this paper we introduce Chkdiff, a novel method for the detection of traffic differentiation. By aiming at application and differentiation technique agnosticism, we choose an approach that is not specific to the currently most popular applications or to the discrimination mechanisms in use at the time of our writing. The design of such method is carefully described, for both upstream and downstream traffic.","PeriodicalId":185637,"journal":{"name":"CoNEXT Student '12","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122256164","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}
Paul Jakma, Marcin Orczyk, C. Perkins, Marwan M. Fayed
{"title":"Distributed k-core decomposition of dynamic graphs","authors":"Paul Jakma, Marcin Orczyk, C. Perkins, Marwan M. Fayed","doi":"10.1145/2413247.2413272","DOIUrl":"https://doi.org/10.1145/2413247.2413272","url":null,"abstract":"The k-core decomposition can be used to reveal structure in a graph. It is straight-forward to implement using a centralised algorithm with complete knowledge of the graph, but no distributed k-core decomposition algorithm has been published. We present a continuous, distributed, k-core decomposition algorithm for dynamic graphs, outline a proof of correctness, and give initial performance results. We briefly describe an application of this distributed k-core algorithm to landmark selection for compact routing.","PeriodicalId":185637,"journal":{"name":"CoNEXT Student '12","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125758738","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}
{"title":"Smooth transmission over unsychronized VLC links","authors":"Qifan Pu, Wenjun Hu","doi":"10.1145/2413247.2413279","DOIUrl":"https://doi.org/10.1145/2413247.2413279","url":null,"abstract":"Screens and cameras on off-the-shelf personal devices have become widely available in recent years, which has prompted interest in exploiting the communication channels between them in the visible light band. However, the basic issue of frame synchronization in such systems has not been adequately addressed. As a result, the receiver is not guaranteed to detect and capture decodable frames under many settings, and the link would become unusable.\u0000 In this work, we address this synchronization issue with a rateless code design across frames. Without modifying the hardware, the firmware or the driver, our application-level software-based approach, Smooth Codes, enables screen-camera pairs with any frame rate condition to transmit and receive data smoothly to achieve high throughput.","PeriodicalId":185637,"journal":{"name":"CoNEXT Student '12","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129232157","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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