Search For:

Displaying 1-24 out of 24 total
A DDS-compliant infrastructure for fault-tolerant and scalable data dissemination
Found in: Computers and Communications, IEEE Symposium on
By Antonio Corradi, Luca Foschini, Luca Nardelli
Issue Date:June 2010
pp. 489-495
Recent trends in data-centric systems have motivated significant standardization efforts, such as the Data Distribution Service (DDS) to enable data dissemination with guaranteed Quality of Service (QoS). However, clear design guidelines and techniques for...
 
Centralized and Distributed Topology Discovery Service Implementations
Found in: High-Performance Interconnects, Symposium on
By Luca Valcarenghi, Francesco Paolucci, Luca Foschini, Filippo Cugini, Piero Castoldi
Issue Date:August 2005
pp. 160-162
<p>In global grid computing, i.e. Wide Area Network (WAN) grid computing, Grid network services allow grid users or the programming environment to monitor the status of network resources and to reallocate them. Specifically, the Network Information a...
 
SIP-Based Proactive Handoff Management for Session Continuity in the Wireless Internet
Found in: Distributed Computing Systems Workshops, International Conference on
By Paolo Bellavista, Antonio Corradi, Luca Foschini
Issue Date:July 2006
pp. 69
New challenging deployment scenarios are accommodating limited and heterogeneous portable devices that roam in wired-wireless best-effort networks with session maintenance and continuity requirements. In particular, continuous services, e.g., multimedia st...
 
Enhancing Intradomain Scalability of IMS-Based Services
Found in: IEEE Transactions on Parallel and Distributed Systems
By Paolo Bellavista,Antonio Corradi,Luca Foschini
Issue Date:December 2013
pp. 2386-2395
IP multimedia subsystem (IMS) and IMS-based services are increasingly providing interoperable session control and mobility for next-generation all-IP networks. However, clear design guidelines and techniques for the support of scalable IMS-based deployment...
 
Self-Organizing Seamless Multimedia Streaming in Dense Manets
Found in: IEEE Pervasive Computing
By Paolo Bellavista,Antonio Corradi,Luca Foschini
Issue Date:January 2013
pp. 68-78
Mobile multimedia in pervasive environments often targets dynamic mobile ad hoc networks (manets) with densely populated areas of interest, difficult to serve via traditional fixed infrastructures. The authors propose an easy-to-deploy, lightweight, and se...
 
DDS-enabled Cloud management support for fast task offloading
Found in: 2012 IEEE Symposium on Computers and Communications (ISCC)
By Antonio Corradi,Luca Foschini,Javier Povedano-Molina,Juan M. Lopez-Soler
Issue Date:July 2012
pp. 000067-000074
Cloud computing has become an essential technology not only for web provisioning, but also in mobile scenarios. Mobile devices are usually resource constrained due to processing and power limitations, so typical applications are not easy portable. Battery ...
   
Database security management for healthcare SaaS in the Amazon AWS Cloud
Found in: 2012 IEEE Symposium on Computers and Communications (ISCC)
By Fabio Bracci,Antonio Corradi,Luca Foschini
Issue Date:July 2012
pp. 000812-000819
Software as a Service (SaaS) applications fully-exploiting the potential of elastic Cloud computing infrastructures naturally are enabling new ubiquitous access scenarios for nomadic users, such as market salesmen and home healthcare medical assistants. Sa...
   
QoS-aware elastic cloud brokering for IMS infrastructures
Found in: 2012 IEEE Symposium on Computers and Communications (ISCC)
By Paolo Bellavista,Giuseppe Carella,Luca Foschini,Thomas Magedanz,Florian Schreiner,Konrad Campowsky
Issue Date:July 2012
pp. 000157-000160
Cloud computing management supports are becoming more and more important not only in the fields of IT infrastructures for Internet applications and services, but steadily also in the field of telecommunication services and infrastructures. More and more te...
   
A Stable Network-Aware VM Placement for Cloud Systems
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Ofer Biran,Antonio Corradi,Mario Fanelli,Luca Foschini,Alexander Nus,Danny Raz,Ezra Silvera
Issue Date:May 2012
pp. 498-506
Virtual Machine (VM) placement has to carefully consider the aggregated resource consumption of co-located VMs in order to obey service level agreements at lower possible cost. In this paper, we focus on satisfying the traffic demands of the VMs in additio...
 
Space-efficient online approximation of time series data: Streams, amnesia, and out-of-order
Found in: Data Engineering, International Conference on
By Sorabh Gandhi, Luca Foschini, Subhash Suri
Issue Date:March 2010
pp. 924-935
In this paper, we present an abstract framework for online approximation of time-series data that yields a unified set of algorithms for several popular models: data streams, amnesic approximation, and out-of-order stream approximation. Our framework essen...
 
Enhancing the Scalability of IMS-Based Presence Service for LBS Applications
Found in: Computer Software and Applications Conference, Annual International
By Paolo Bellavista, Antonio Corradi, Luca Foschini
Issue Date:July 2009
pp. 29-36
Because of recent advances in both client devices and wireless communications, industry has started to look at the potentially relevant market of Location Based Services (LBSs). IP Multimedia Subsystem (IMS) and IMS-based presence service are putting toget...
 
A DDS-compliant P2P infrastructure for reliable and QoS-enabled data dissemination
Found in: Parallel and Distributed Processing Symposium, International
By Antonio Corradi,Luca Foschini
Issue Date:May 2009
pp. 1-8
Recent trends in data-centric systems have motivated significant standardization efforts, such as the Data Distribution Service (DDS) to support data dissemination with guaranteed Quality of Service (QoS) in heterogeneous Internet environments. Notwithstan...
 
Context-Aware Multimedia Middleware Solutions for Counteracting IEEE 802.11 Performance Anomaly
Found in: Multimedia and Ubiquitous Engineering, International Conference on
By Paolo Bellavista, Antonio Corradi, Luca Foschini
Issue Date:April 2007
pp. 9-16
Multimedia provisioning over Wi-Fi networks is a complex task that should consider also novel issues stemming from the specific behavior of IEEE 802.11 protocols. In particular, we claim the need for visibility of context data about the IEEE 802.11 perform...
 
Java-Based Proactive Buffering for Multimedia Streaming Continuity in the Wireless Internet
Found in: A World of Wireless, Mobile and Multimedia Networks, International Symposium on
By Paolo Bellavista, Antonio Corradi, Luca Foschini
Issue Date:June 2005
pp. 448-450
New challenging deployment scenarios are accommodating portable devices with limited and heterogeneous capabilities that roam among wireless access localities during service provisioning with session continuity requirements, such as in multimedia streaming...
 
MUMOC: An Active Infrastructure for Open Video Caching
Found in: Distributed Frameworks for Multimedia Applications, International Conference on
By Paolo Bellavista, Antonio Corradi, Luca Foschini
Issue Date:February 2005
pp. 64-71
Advances in networking and content delivery systems are enabling new challenging provisioning scenarios where a growing number of users access Video on Demand (VoD), possibly while moving among different points of attachment to the Internet and using diffe...
 
Fast Compression with a Static Model in High-Order Entropy
Found in: Data Compression Conference
By Luca Foschini, Roberto Grossiy, Ankur Guptaz, Jeffrey Scott Vitter
Issue Date:March 2004
pp. 62
We report on a simple encoding format called wzip for decompressing block-sorting transforms, such as the Burrows-Wheeler Transform (BWT). Our compressor uses the simple notions of gamma encoding and RLE, organized with a wavelet tree, to achieve a slightl...
 
Dynamic Cloud management for efficient stream processing
Found in: 2013 IEEE Symposium on Computers and Communications (ISCC)
By Luca Foschini,Burak Kantarci,Antonio Corradi,Hussein T. Mouftah
Issue Date:July 2013
pp. 000028-000034
Despite its great promises, current Cloud offering is still typically rather static and does not support very dynamic execution patterns. In fact, while dynamic resource allocation is typically required to ensure efficient and effective usage of the Cloud ...
   
Data Distribution Service (DDS): A performance comparison of OpenSplice and RTI implementations
Found in: 2013 IEEE Symposium on Computers and Communications (ISCC)
By Paolo Bellavista,Antonio Corradi,Luca Foschini,Alessandro Pernafini
Issue Date:July 2013
pp. 000377-000383
Data distributions systems with guaranteed Quality of Service (QoS) levels, such as the data-centric Data Distribution Service (DDS) standard specification, have gained more and more success in the last decade. These systems represent suitable solutions fo...
   
Self-Adaptive Context Data Management in Large-Scale Mobile Systems
Found in: IEEE Transactions on Computers
By Mario Fanelli,Luca Foschini,Antonio Corradi,Azzedine Boukerche
Issue Date:June 2013
pp. 1
Context awareness, intended as providing the current execution environment at the service level, is a fundamental capability in future mobile systems. Unfortunately, the real-world realization of such scenarios is currently undermined by inefficient contex...
 
Translucent middleware approach to facilitate WSN access management
Found in: Computers and Communications, IEEE Symposium on
By Giuseppe Cardone, Antonio Corradi, Luca Foschini
Issue Date:June 2010
pp. 595-598
Recent advances in wireless communications have motivated the development of Wireless Sensor Networks (WSNs) for low-cost and easy-deployable physical and environmental monitoring. WSNs were typically accessible only through special WSN nodes acting as WSN...
 
A survey of context data distribution for mobile ubiquitous systems
Found in: ACM Computing Surveys (CSUR)
By Antonio Corradi, Luca Foschini, Mario Fanelli, Paolo Bellavista
Issue Date:August 2012
pp. 1-45
The capacity to gather and timely deliver to the service level any relevant information that can characterize the service-provisioning environment, such as computing resources/capabilities, physical device location, user preferences, and time constraints, ...
     
Self-adaptive and time-constrained data distribution paths for emergency response scenarios
Found in: Proceedings of the 8th ACM international workshop on Mobility management and wireless access (MobiWac '10)
By Antonio Corradi, Azzedine Boukerche, Luca Foschini, Mario Fanelli
Issue Date:October 2010
pp. 29-36
Emergency response scenarios where team members coordinate impromptu towards the common human rescue goal are pushing to the extreme the demand for novel services fully aware of any (dynamically collected) relevant information describing the disaster area,...
     
When indexing equals compression: Experiments with compressing suffix arrays and applications
Found in: ACM Transactions on Algorithms (TALG)
By Ankur Gupta, Jeffrey Scott Vitter, Luca Foschini, Roberto Grossi
Issue Date:October 2006
pp. 611-639
We report on a new experimental analysis of high-order entropy-compressed suffix arrays, which retains the theoretical performance of previous work and represents an improvement in practice. Our experiments indicate that the resulting text index offers sta...
     
Integrated support for handoff management and context awareness in heterogeneous wireless networks
Found in: Proceedings of the 3rd international workshop on Middleware for pervasive and ad-hoc computing (MPAC '05)
By Domenico Cotroneo, Luca Foschini, Marcello Cinque, Paolo Bellavista
Issue Date:November 2005
pp. 1-8
The overwhelming success of mobile devices and wireless communications is stressing the need for the development of mobility-aware services. Device mobility requires services adapting their behavior to sudden context changes and being aware of handoffs, wh...
     
 1