Now showing items 1-18 of 18

    • A democratic Grid: collaboration, sharing and computing for everyone 

      Krishnaswamy, Ruby; Navarro Moldes, Leandro; Vlassov, Vladimir (IOS Press, 2008-10)
      Conference lecture
      Open Access
      This paper presents an integrated vision, architecture, middleware and applications of a public and large scale Grid for everyone: supporting collaboration for groups of people who can interact and share work and share or ...
    • Augmenting elasticity controllers for improved accuracy 

      Rameshan, Navaneeth; Ying, Liu; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Elastic resource provisioning is used to guarantee service level objectives (SLO) at reduced cost in a Cloud platform. However, performance interference in the hosting platform introduces uncertainty in the performance ...
    • BwMan: bandwidth manager for elastic services in the cloud 

      Liu, Ying; Xhagjika, Vamis; Vlassov, Vladimir; Shishtawy, Ahmad Al (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      The flexibility of Cloud computing allows elastic services to adapt to changes in workload patterns in order to achieve desired Service Level Objectives (SLOs) at a reduced cost. Typically, the service adapts to changes ...
    • Community network clouds as a case for the IEEE Intercloud standardization 

      Baig Viñas, Roger; Freitag, Fèlix; Moll, Agustí; Navarro Moldes, Leandro; Pueyo Centelles, Roger; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      The IEEE P2302 Intercloud WG conducts work since 2011 on the project Standard for Intercloud Interoperability and Federation with the goal to define a standard architecture and building components for large-scale ...
    • Demo abstract: Towards IoT service deployments on edge community network microclouds 

      Khan, Amin M.; Freitag, Fèlix; Vlassov, Vladimir; Ha, Phuong Hoai (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      Internet of Things (IoT) services for personal devices and smart homes provided by commercial solutions are typically proprietary and closed. These services provide little control to the end users, for instance to take ...
    • Deploying clouds in the Guifi community network 

      Baig Viñas, Roger; Dowling, Jim; Escrich, Pau; Freitag, Fèlix; Meseguer Pallarès, Roc; Moll, Agustí; Navarro Moldes, Leandro; Pietrosemoli, Ermanno; Pueyo, Roger; Vlassov, Vladimir; Zennaro, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      This paper describes an operational geographically distributed and heterogeneous cloud infrastructure with services and applications deployed in the Guifi community network. The presented cloud is a particular case of a ...
    • Gossip-based service monitoring platform for wireless edge cloud computing 

      Silvestre Apolonia, Nuno Miguel; Freitag, Fèlix; Navarro Moldes, Leandro; Girdzijauskas, Sarunas; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Edge cloud computing proposes to support shared services, by using the infrastructure at the network's edge. An important problem is the monitoring and management of services across the edge environment. Therefore, ...
    • How data volume affects spark based data analytics on a scale-up server 

      Awan, Ahsan; Brorsson, Mats; Vlassov, Vladimir; Ayguadé Parra, Eduard (Springer, 2015)
      Conference report
      Restricted access - publisher's policy
      Sheer increase in volume of data over the last decade has triggered research in cluster computing frameworks that enable web enterprises to extract big insights from big data. While Apache Spark is gaining popularity for ...
    • Hubbub-scale: towards reliable elastic scaling under multi-tenancy 

      Rameshan, Navaneeth; Ying, Liu; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Elastic resource provisioning is used to guarantee service level objective (SLO) with reduced cost in a Cloud platform. However, performance interference in the hosting platform introduces uncertainty in the performance ...
    • Load and video performance patterns of a cloud based WebRTC architecture 

      Xhagjika, Vamis; Divorra Escoda, Oscar; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Open Access
      Web Real-Time Communication or Realtime communication in the Web (WebRTC/RTCWeb) is a prolific new standard and technology stack, providing full audio/video agnostic communications for the Web. Service providers implementing ...
    • Media streams allocation and load patterns for a WebRTC cloud architecture 

      Xhagjika, Vamis; Divorra Escoda, Oscar; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      Web Real-Time Communication (WebRTC) is seeing a rapid rise in adoption footprint. This standard provides an audio/video platform-agnostic communications framework for the Web build-in right in the browser. The complex ...
    • Micro-architectural characterization of Apache Spark on batch and stream processing workloads 

      Awan, Ahsan; Brorsson, Mats; Vlassov, Vladimir; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      While cluster computing frameworks are continuously evolving to provide real-time data analysis capabilities, Apache Spark has managed to be at the forefront of big data analytics for being a unified framework for both, ...
    • Node architecture implications for in-memory data analytics on scale-in clusters 

      Awan, Ashan Javed; Vlassov, Vladimir; Brorsson, Mats; Ayguadé Parra, Eduard (Association for Computing Machinery (ACM), 2016)
      Conference report
      Restricted access - publisher's policy
      While cluster computing frameworks are continuously evolving to provide real-time data analysis capabilities, Apache Spark has managed to be at the forefront of big data analytics. Recent studies propose scale-in clusters ...
    • Performance characterization of in-memory data analytics on a modern cloud server 

      Awan, Ahsan; Brorsson, Mats; Vlassov, Vladimir; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      In last decade, data analytics have rapidly progressed from traditional disk-based processing to modern in-memory processing. However, little effort has been devoted at enhancing performance at micro-architecture level. ...
    • Profiling memory vulnerability of big-data applications 

      Rameshan, Navaneeth; Birke, R.; Navarro Moldes, Leandro; Vlassov, Vladimir; Urgaonkar, B.; Kesidis, G.; Schmatz, M.; Chen, L. Y. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Motivated by the increasing popularity of hosting in-memory big-data analytics in cloud, we present a profiling methodology that can understand how different memory subsystems, i.e., cache and memory bandwidth, are susceptible ...
    • Stay-Away, protecting sensitive applications from performance interference 

      Rameshan, Navaneeth; Navarro Moldes, Leandro; Monte Moreno, Enrique; Vlassov, Vladimir (Association for Computing Machinery (ACM), 2014)
      Conference report
      Restricted access - publisher's policy
      While co-locating virtual machines improves utilization in resource shared environments, the resulting performance interference between VMs is difficult to model or predict. QoS sensitive applications can suffer from ...
    • Supporting cloud deployment in the Guifi.net community network 

      Jiménez, Javi; Baig, Roger; Escrich, Pau; Khan, Muhammad Amin; Freitag, Fèlix; Navarro Moldes, Leandro; Pietrosemoli, Ermanno; Zennaro, Marco; Payberah, Amir H.; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Restricted access - publisher's policy
      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. Cloud ...
    • Towards a community cloud storage 

      Liu, Ying; Vlassov, Vladimir; Navarro Moldes, Leandro (2014)
      Conference report
      Open Access
      Community Clouds, usually built upon community networks, operate in a more disperse environment compared to a data center Cloud, with lower capacity and less reliable servers separated by a more heterogeneous and less ...