It is our great pleasure to welcome you to the first of a series of interdisciplinary workshops on DIY networking. They build on a recent successful Dagstuhl seminar by the name "DIY networking: an interdisciplinary perspective", which brought together a highly diverse group of researchers and practitioners to reflect on technological and social issues related to the use of local wireless networks operating outside the public Internet. The seminar initiated a process of bridging the communication gap between those who build technology (e.g. computer scientists, engineers, and hackers) and those who understand better the complex urban environment where this technology is deployed (e.g. social and political scientists, urban planners, designers, and artists). Now in DIYnet 2015 -- hosted by ACM MobiSys -- the participants try to make one more step toward facilitating interdisciplinary exchanges around the complex design space defined by DIY networking solutions, for a more creative interplay between technological and human networks in the city. The technical programme includes both conceptual and experiential entries with DIY networking applications, and novel scientific contributions on important technical questions. We are also very proud to have with us key people coming from different domains that are close to the common object of enquiry: DIY networking. More specifically Michael Smyth (Edinburgh Napier University) will give a keynote talk on Urban Interaction Design, and highlight the interdisciplinary perspective of hybrid space design. Paul Dourish (University of California, Irvine) will give a second keynote talk on The Politics of Infrastructure Projects, which will bring the political dimension. Andreas Unteidig (Berlin University of the Arts) will give a demo of the "hybrid letter box" and introduce the design research perspective. Mathias Jud (independent artist) will give a demo of the community art project http://www.qaul.net, which has received the "Prix Ars electronica [the next idea]", and bring the artistic and activist perspective.
我们非常高兴地欢迎您参加一系列关于DIY网络的跨学科研讨会的第一次。他们以最近在Dagstuhl成功举办的名为“DIY网络:跨学科视角”的研讨会为基础，该研讨会汇集了高度多样化的研究人员和实践者，以反思与使用在公共互联网之外运行的本地无线网络相关的技术和社会问题。研讨会开启了一个沟通的过程，让技术创造者(如计算机科学家、工程师和黑客)和更了解技术应用的复杂城市环境的人(如社会和政治科学家、城市规划师、设计师和艺术家)之间的沟通变得更加紧密。现在，在由ACM MobiSys主办的DIYnet 2015上，参与者试图在围绕由DIY网络解决方案定义的复杂设计空间促进跨学科交流方面再迈出一步，以实现城市中技术和人际网络之间更具创造性的相互作用。技术方案包括DIY网络应用的概念和经验条目，以及对重要技术问题的新颖科学贡献。我们也非常自豪地拥有来自不同领域的关键人物，他们都接近于共同的查询对象:DIY网络。更具体地说，Michael Smyth(爱丁堡纳皮尔大学)将做一个关于城市交互设计的主题演讲，并强调混合空间设计的跨学科视角。Paul Dourish(加州大学欧文分校)将做第二个主题演讲，主题是基础设施项目的政治，这将带来政治维度。Andreas Unteidig(柏林艺术大学)将对“混合信箱”进行演示，并介绍其设计研究视角。Mathias Jud(独立艺术家)将展示社区艺术项目http://www.qaul.net，该项目已获得“Prix Ars electronica[下一个想法]”，并带来艺术和活动家的视角。
{"title":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","authors":"P. Antoniadis, J. Crowcroft, J. Ott","doi":"10.1145/2753488","DOIUrl":"https://doi.org/10.1145/2753488","url":null,"abstract":"It is our great pleasure to welcome you to the first of a series of interdisciplinary workshops on DIY networking. They build on a recent successful Dagstuhl seminar by the name \"DIY networking: an interdisciplinary perspective\", which brought together a highly diverse group of researchers and practitioners to reflect on technological and social issues related to the use of local wireless networks operating outside the public Internet. The seminar initiated a process of bridging the communication gap between those who build technology (e.g. computer scientists, engineers, and hackers) and those who understand better the complex urban environment where this technology is deployed (e.g. social and political scientists, urban planners, designers, and artists). \u0000 \u0000Now in DIYnet 2015 -- hosted by ACM MobiSys -- the participants try to make one more step toward facilitating interdisciplinary exchanges around the complex design space defined by DIY networking solutions, for a more creative interplay between technological and human networks in the city. The technical programme includes both conceptual and experiential entries with DIY networking applications, and novel scientific contributions on important technical questions. \u0000 \u0000We are also very proud to have with us key people coming from different domains that are close to the common object of enquiry: DIY networking. More specifically \u0000Michael Smyth (Edinburgh Napier University) will give a keynote talk on Urban Interaction Design, and highlight the interdisciplinary perspective of hybrid space design. \u0000Paul Dourish (University of California, Irvine) will give a second keynote talk on The Politics of Infrastructure Projects, which will bring the political dimension. \u0000Andreas Unteidig (Berlin University of the Arts) will give a demo of the \"hybrid letter box\" and introduce the design research perspective. \u0000Mathias Jud (independent artist) will give a demo of the community art project http://www.qaul.net, which has received the \"Prix Ars electronica [the next idea]\", and bring the artistic and activist perspective.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130169447","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":"Session details: Session 1: DIY Networking Applications","authors":"M. Smyth","doi":"10.1145/3253889","DOIUrl":"https://doi.org/10.1145/3253889","url":null,"abstract":"","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121605520","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}
To provide better education to children from different socio-economic backgrounds, the Thai Government launched the "One Tablet PC Per Child" (OTPC) policy and distributed 800,000 tablet computers to first grade students across the country in 2012. This initiative is an opportunity to study how mobile learning and Internet of Things (IoT) technology can be designed for students in underprivileged areas of northern Thailand. In this position paper, we present a prototype, called OBSY (Observation Learning System) which targets primary science education. OBSY consists of i) a sensor device, developed with low-cost open source singled-board computer Raspberry Pi, housed in a 3D printed case, ii) a mobile device friendly graphical interface displaying visualisations of the sensor data, iii) a self-contained DIY Wi-Fi network which allows the system to operate in an environment with inadequate ICT infrastructure
{"title":"Learning IoT without the \"I\"- Educational Internet of Things in a Developing Context","authors":"Putjorn Pruet, C. Ang, F. Deravi","doi":"10.1145/2753488.2753489","DOIUrl":"https://doi.org/10.1145/2753488.2753489","url":null,"abstract":"To provide better education to children from different socio-economic backgrounds, the Thai Government launched the \"One Tablet PC Per Child\" (OTPC) policy and distributed 800,000 tablet computers to first grade students across the country in 2012. This initiative is an opportunity to study how mobile learning and Internet of Things (IoT) technology can be designed for students in underprivileged areas of northern Thailand. In this position paper, we present a prototype, called OBSY (Observation Learning System) which targets primary science education. OBSY consists of i) a sensor device, developed with low-cost open source singled-board computer Raspberry Pi, housed in a 3D printed case, ii) a mobile device friendly graphical interface displaying visualisations of the sensor data, iii) a self-contained DIY Wi-Fi network which allows the system to operate in an environment with inadequate ICT infrastructure","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127169275","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":"Session details: Session 2: Technical programme","authors":"P. Dourish","doi":"10.1145/3253890","DOIUrl":"https://doi.org/10.1145/3253890","url":null,"abstract":"","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126373680","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}
Adriano Galati, Theodoros Bourchas, Maria Olivares, S. Mangold
Delay Tolerant Networks (DTNs) aim to enable content distribution in areas where little to no access to affordable communication channels is available. We are interested in DTNs for reaching out into under-served regions in growing economies, when distributing media and videos from cities to rural areas. DTNs enable content distribution in such areas, using mobility of devices and avoiding the need for traditional network infrastructure. The content is distributed to the target destinations using buses equipped with infostations, namely wireless DTN-enabled devices. Mobile cinema entertainment, possibly combined with educational content, will be the use case. Micro-entrepreneurs in remote villages will be provided with low-complex small cinema-in-a-backpack systems, which allow them to screen the content and start with a micro-business activity around the show events. In this paper, we present our wireless infostation and the cinema-in-a-back that we have built for the purpose and ready for a six-month long field deployment in rural South Africa, in partnership with local institutions.
{"title":"DTN-enabled Infostation and Cinema-in-a-Backpack","authors":"Adriano Galati, Theodoros Bourchas, Maria Olivares, S. Mangold","doi":"10.1145/2753488.2753493","DOIUrl":"https://doi.org/10.1145/2753488.2753493","url":null,"abstract":"Delay Tolerant Networks (DTNs) aim to enable content distribution in areas where little to no access to affordable communication channels is available. We are interested in DTNs for reaching out into under-served regions in growing economies, when distributing media and videos from cities to rural areas. DTNs enable content distribution in such areas, using mobility of devices and avoiding the need for traditional network infrastructure. The content is distributed to the target destinations using buses equipped with infostations, namely wireless DTN-enabled devices. Mobile cinema entertainment, possibly combined with educational content, will be the use case. Micro-entrepreneurs in remote villages will be provided with low-complex small cinema-in-a-backpack systems, which allow them to screen the content and start with a micro-business activity around the show events. In this paper, we present our wireless infostation and the cinema-in-a-back that we have built for the purpose and ready for a six-month long field deployment in rural South Africa, in partnership with local institutions.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134028905","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}
Annalisa Socievole, Antonio C. Caputo, F. Rango, S. Marano
Do-it-yourself (DIY) networking is emerging as a new communication paradigm dealing with the creation of local wireless networks outside the public Internet. This paper analyzes six mobility traces for DIY networks containing both wireless interactions and online friendships. Through an approach based on multi-layer social networks, we analyze some fundamental aspects of these social-driven networks: egocentric and sociocentric node centrality. We show that online and offline degree centralities are significantly correlated on most datasets. On the contrary, betweenness, closeness and eigenvector centralities show medium-low correlation values.
{"title":"Do-it-yourself Networks: A Multi-layer Network Approach to the Analysis of Mobile User Egocentric and Sociocentric Behaviors","authors":"Annalisa Socievole, Antonio C. Caputo, F. Rango, S. Marano","doi":"10.1145/2753488.2753495","DOIUrl":"https://doi.org/10.1145/2753488.2753495","url":null,"abstract":"Do-it-yourself (DIY) networking is emerging as a new communication paradigm dealing with the creation of local wireless networks outside the public Internet. This paper analyzes six mobility traces for DIY networks containing both wireless interactions and online friendships. Through an approach based on multi-layer social networks, we analyze some fundamental aspects of these social-driven networks: egocentric and sociocentric node centrality. We show that online and offline degree centralities are significantly correlated on most datasets. On the contrary, betweenness, closeness and eigenvector centralities show medium-low correlation values.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132688602","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}
L. Maccari, L. Baldesi, R. Cigno, Jacopo Forconi, Alessio Caiazza
Networks, due to the affinity to both technical and social characteristics of such networks. It can help binding together communities, it provides a good means for inclusion of people as well to deliver information and local events. Video streaming in community networks is still problematic; this work describes a project for the adaptation of PeerStreamer, an open source peer-to-peer video streaming platform, to an existing Community Network in the city of Florence, Italy. The paper exposes the motivations that make PeerStreamer a perfect match with the philosophy and the technical features of a community network and describes how the community network of Florence can be a very good testbed given the mixture of technical and social skills that animate it. The proposed adaptation and implementation exploits a so-far underused feature of PeerStreamer: the possibility of separating the streaming engine from the play-out part on different hosts. This feature makes it possible to install the streaming engine, which is very efficient and has a very small memory footprint, directly on the community network routing nodes, so that the streaming topology can be adapted to the community network topology by directly accessing routing information. On the other hand, the player can run on standard PCs and use standard streaming protocols to access the stream.
{"title":"Live Video Streaming for Community Networks, Experimenting with PeerStreamer on the Ninux Community","authors":"L. Maccari, L. Baldesi, R. Cigno, Jacopo Forconi, Alessio Caiazza","doi":"10.1145/2753488.2753491","DOIUrl":"https://doi.org/10.1145/2753488.2753491","url":null,"abstract":"Networks, due to the affinity to both technical and social characteristics of such networks. It can help binding together communities, it provides a good means for inclusion of people as well to deliver information and local events. Video streaming in community networks is still problematic; this work describes a project for the adaptation of PeerStreamer, an open source peer-to-peer video streaming platform, to an existing Community Network in the city of Florence, Italy. The paper exposes the motivations that make PeerStreamer a perfect match with the philosophy and the technical features of a community network and describes how the community network of Florence can be a very good testbed given the mixture of technical and social skills that animate it. The proposed adaptation and implementation exploits a so-far underused feature of PeerStreamer: the possibility of separating the streaming engine from the play-out part on different hosts. This feature makes it possible to install the streaming engine, which is very efficient and has a very small memory footprint, directly on the community network routing nodes, so that the streaming topology can be adapted to the community network topology by directly accessing routing information. On the other hand, the player can run on standard PCs and use standard streaming protocols to access the stream.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133840310","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}
A. Sathiaseelan, Liang Wang, Andrius Aucinas, Gareth Tyson, J. Crowcroft
Do-It-Yourself (DIY) networks are decentralised networks built by an (often) amateur community. As DIY networks do not rely on the need for backhaul Internet connectivity, these networks are mostly a mix of both offline and online networks. Although DIY networks have their own homegrown services, the current Internet-based cloud services are often useful, and access to some services could be beneficial to the community. Considering that most DIY networks have challenged Internet connectivity, migrating current service virtualisation instances could face great challenges. Service Centric Networking (SCN) has been recently proposed as a potential solution to managing services more efficiently using Information Centric Networking (ICN) principles. In this position paper, we present our arguments for the need for a resilient SCN architecture, propose a strawman SCN architecture that combines multiple transmission technologies for providing resilient SCN in challenged DIY networks and, finally, identify key challenges that need to be explored further to realise the full potential of our architecture.
{"title":"SCANDEX: Service Centric Networking for Challenged Decentralised Networks","authors":"A. Sathiaseelan, Liang Wang, Andrius Aucinas, Gareth Tyson, J. Crowcroft","doi":"10.1145/2753488.2753490","DOIUrl":"https://doi.org/10.1145/2753488.2753490","url":null,"abstract":"Do-It-Yourself (DIY) networks are decentralised networks built by an (often) amateur community. As DIY networks do not rely on the need for backhaul Internet connectivity, these networks are mostly a mix of both offline and online networks. Although DIY networks have their own homegrown services, the current Internet-based cloud services are often useful, and access to some services could be beneficial to the community. Considering that most DIY networks have challenged Internet connectivity, migrating current service virtualisation instances could face great challenges. Service Centric Networking (SCN) has been recently proposed as a potential solution to managing services more efficiently using Information Centric Networking (ICN) principles. In this position paper, we present our arguments for the need for a resilient SCN architecture, propose a strawman SCN architecture that combines multiple transmission technologies for providing resilient SCN in challenged DIY networks and, finally, identify key challenges that need to be explored further to realise the full potential of our architecture.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123008042","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}
Devices connected to the Internet today have a wide range of local communication channels available, such as wireless Wifi, Bluetooth or NFC, as well as wired backhaul. In densely populated areas it is possible to create heterogeneous, multihop communication paths using a combination of these technologies, and often transmit data with lower latency than via a wired Internet connection. However, the potential for sharing meshed wireless radios in this way has never been realised due to the lack of economic incentives to do so on the part of individual nodes. In this paper, we explore how virtual currencies might be used to provide an end-to-end incentive scheme to convince forwarding nodes that it is profitable to send messages on via the lowest latency mechanism available. Clients inject a small amount of money to transmit a message, and forwarding engines compete to solve a time-locked puzzle that can be claimed by the node that delivers the result in the lowest latency. Our approach naturally extends congestion control techniques to a surge pricing model when available bandwidth is low and does not require latency measurements.
{"title":"Kadupul: Livin' on the Edge with Virtual Currencies and Time-Locked Puzzles","authors":"Magnus Skjegstad, Anil Madhavapeddy, J. Crowcroft","doi":"10.1145/2753488.2753492","DOIUrl":"https://doi.org/10.1145/2753488.2753492","url":null,"abstract":"Devices connected to the Internet today have a wide range of local communication channels available, such as wireless Wifi, Bluetooth or NFC, as well as wired backhaul. In densely populated areas it is possible to create heterogeneous, multihop communication paths using a combination of these technologies, and often transmit data with lower latency than via a wired Internet connection. However, the potential for sharing meshed wireless radios in this way has never been realised due to the lack of economic incentives to do so on the part of individual nodes. In this paper, we explore how virtual currencies might be used to provide an end-to-end incentive scheme to convince forwarding nodes that it is profitable to send messages on via the lowest latency mechanism available. Clients inject a small amount of money to transmit a message, and forwarding engines compete to solve a time-locked puzzle that can be claimed by the node that delivers the result in the lowest latency. Our approach naturally extends congestion control techniques to a surge pricing model when available bandwidth is low and does not require latency measurements.","PeriodicalId":109097,"journal":{"name":"Proceedings of the 2015 Workshop on Do-it-yourself Networking: an Interdisciplinary Approach","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116170600","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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