Now showing items 1-16 of 16

    • A lightweight service placement approach for community network micro-clouds 

      Selimi, Mennan; Cerdà Alabern, Llorenç; Freitag, Fèlix; Veiga, Luis; Sathiaseelan, Arjuna; Crowcroft, Jon (2019-03)
      Article
      Open Access
      Community networks (CNs) have gained momentum in the last few years with the increasing number of spontaneously deployed WiFi hotspots and home networks. These networks, owned and managed by volunteers, offer various ...
    • A look at energy efficient system opportunities with community network clouds 

      Freitag, Fèlix; Sharifi, Leila; Khan, Muhammad Amin; Navarro Moldes, Leandro; Baig, Roger; Escrich, Pau; Veiga, Luis (CEUR-WS.org, 2014)
      Conference report
      Open Access
      Community networking is an emerging model of a shared communication infrastructure in which communities of citizens build and own open networks. Community networks offer successfully IP-based networking to the user. In ...
    • ARTA: An economic middleware to exchange pervasive energy and computing resources 

      Sharifi, Leila; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Open Access
      Studies reveal that an integrated system of smart grid and cloud computing ecosystems can better attain the energy efficiency objectives, considering all the aspects. To facilitate the integration, in this paper, we introduce ...
    • Client-side routing-agnostic gateway selection for heterogeneous wireless mesh networks 

      Dimogerontakis, Emmanouil; Neto, João; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Citizens develop Wireless Mesh Networks (WMN) in many areas as an alternative or their only way for local interconnection and access to the Internet. This access is often achieved through the use of several shared web proxy ...
    • Combing smart grid with community clouds: next generation integrated service platform 

      Sharifi, Leila; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Collaboration-based distributed systems are becoming more prevalent these days. Two such systems are Community Clouds, where a large number of anonymous private users share their computational resources within the community, ...
    • Community sharing of spare network capacity 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (IEEE Press, 2017)
      Conference report
      Restricted access - publisher's policy
      In several community scenarios, people share benevolently their spare broadband Internet access connectivity with other people who cannot afford it. Although laudable, this sharing process can negatively affect the service ...
    • Design trade-offs of crowdsourced web access in community networks 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (2017)
      Conference report
      Open Access
      Internet access has become a requirement to participate in society; however, the majority of the world’s population is not yet online. Citizens can self-organize cooperatively to crowdsource community network infrastructures ...
    • Energy efficiency dilemma: P2P-cloud vs. datacenter 

      Sharifi, Leila; Rameshan, Navaneeth; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Energy consumption is increasing in the IT sector and a remarkable part of this energy is consumed in data centers. Numerous techniques have been proposed to solve the energy efficiency issue in cloud systems. Recently, ...
    • Energy efficient cloud service provisioning: Keeping data center granularity in perspective 

      Sharifi, Leila; Cerdà Alabern, Llorenç; Freitag, Fèlix; Veiga, Luis (2016-06)
      Article
      Open Access
      The cost of power and its associated delivery are becoming significant factors in the total expenditure of large-scale data centers. Numerous techniques have been proposed to address the energy efficiency issue in cloud ...
    • Envisioning cloud of energy 

      Sharifi, Leila; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      Energy and Information and Communication Technology (ICT), as two driving forces of the contemporary life, are reshaping themselves based on ubiquitous society architecture to improve their service quality. Within the ...
    • Gelly-scheduling: distributed graph processing for service placement in community networks 

      Coimbra, Miguel E.; Selimi, Mennan; Francisco, Alexandre P.; Freitag, Fèlix; Veiga, Luis (Association for Computing Machinery (ACM), 2018)
      Conference report
      Open Access
      Community networks (CNs) have seen an increase in the last fifteen years. Their members contact nodes which operate Internet proxies, web servers, user file storage and video streaming services, to name a few. Detecting ...
    • Integration of assisted P2P live streaming service in community network clouds 

      Selimi, Mennan; Apolonia, Nuno; Olid Domínguez, Ferran; Freitag, Fèlix; Navarro Moldes, Leandro; Moll, Agustí; Pueyo, Roger; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      Wireless community networks (CNs) are large-scale, self-organized and decentralized communication infrastructures built and operated by citizens for citizens. CN cloud infrastructures have been recently introduced to run ...
    • Performance evaluation of a distributed storage service in community network clouds 

      Selimi, Mennan; Freitag, Fèlix; Cerdà Alabern, Llorenç; Veiga, Luis (Wiley, 2015-09-20)
      Article
      Open Access
      Community networks are self-organized and decentralized communication networks built and operated by citizens, for citizens. The consolidation of today's cloud technologies offers now, for community networks, the possibility ...
    • Practical service placement approach for microservices architecture 

      Selimi, Mennan; Cerdà Alabern, Llorenç; Sánchez Artigas, Marc; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Community networks (CNs) have gained momentum in the last few years with the increasing number of spontaneously deployed WiFi hotspots and home networks. These networks, owned and managed by volunteers, offer various ...
    • Resource-aware scaling of multi-threaded Java applications in multi-tenancy scenarios 

      Shardomin Simao, Jose Pedro; Rameshan, Navaneeth; Veiga, Luis (IEEE Computer Society Publications, 2013)
      Conference report
      Restricted access - publisher's policy
      Cloud platforms are becoming more prevalent in every computational domain, particularly in e-Science. A typical scientific workload will have a long execution time or be data intensive. Providing an execution environment ...
    • Towards network-aware service placement in community network micro-clouds 

      Selimi, Mennan; Vega d'Aurelio, Davide; Freitag, Fèlix; Veiga, Luis (Springer, 2016)
      Conference report
      Restricted access - publisher's policy
      Cloud services in community networks have been enabled by micro-cloud providers. They form community network micro-clouds (CNMCs), which grow organically, i.e. without being planned and optimized beforehand. Services running ...