M.S. Turolla

Publications (2)0 Total impact

• Source

  Available from: Laura Bracciale

  Conference Proceeding: Delay performance of a Publish Subscribe system deployed over a memory-constrained, Delay Tolerant Network

  L. Bracciale, D. Battaglino, A. Detti, G. Bianchi, N. Blefari-Melazzi, A. Bragagnini, M.S. Turolla
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  ABSTRACT: In this work we assess the delay performance of a Publish Subscribe system built on top of a Delay Tolerant Network (DTN) composed of nodes with limited storage capacities. Many DTN routing protocols replicate the same data over several nodes, in order to deliver data to destination in a faster or in a more reliable way. Of course, increasing the number of replicas has the effect of decreasing the delivery delay perceived by the users, but increases the use of the system memory. Our goal is to investigate the trade-off between reduction of delay and storage requirements when nodes are memory constrained, in a Topic-based, Publish Subscribe system where we have different topics with different popularity. We provide some insights in this trade-off, which implies some unanticipated issues, and propose simple rules to dimension the number of replicas per topic. To this end, we derive analytical models and we validate them with simulations.
  Ad Hoc Networking Workshop (Med-Hoc-Net), 2011 The 10th IFIP Annual Mediterranean; 07/2011
• Source

  Available from: Laura Bracciale

  Conference Proceeding: Towards fully IP-enabled IEEE 802.15.4 LR-WPANs

  F. Lo Piccolo, D. Battaglino, L. Bracciale, M. Di Filippo, A. Bragagnini, M.S. Turolla, N. Blefari Melazzi
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  ABSTRACT: This extended abstract describes a poster and a proposal for demonstration. Its focus is on low rate wireless personal area networks (LR-WPANs) which use IEEE 802.15.4 physical and MAC layers at the lower layers of the protocol stack. More precisely, goal of this extended abstract is to present a real test-bed, whose main goal is to demonstrate how IEEE 802.15.4 LR-WPANs can fully inter-operate with IP networks. To this end, the protocol stack implemented at each IEEE 802.15.4 node includes the so said LoWPAN adaptation layer, which has been defined by the IETF 6LoWPAN working group. Moreover, we will present a possible practical solution for the problem of how to realize a gateway between the IEEE 802.15.4 LR-WPANs and the IP networks.
  Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops '09. 6th Annual IEEE Communications Society Conference on; 07/2009