IP Address Autoconfiguration in Ad Hoc Networks: Design, implementation and Measurements (2008)
M. Fazio, M. Villari, A. Puliafito
Ad hoc networks allow to create very dynamic communication systems, which are independent from any fixed infrastructure. One of the most important issues regarding the management of an ad hoc network...
S. Garg, A. Pfening, A. Puliafito, M. Telek, K. S. Trivedi
Due to repeated and potentially faulty usage of continuously running client-server type software systems by many clients, such software "ages " with time and eventually fails. Huang...
WebSPN: Non-Markovian Stochastic Petri Net Tool (2007)
A. Bobbio X, A. Puliafito, M. Scarpa X, M. Telek Y
This paper describes a new modeling tool for the analysis of non-Markovian stochastic Petri nets (SPN) that relax some of the restrictions present in currently available packages. This tool, called...
Design and Implementation of a WEB-based non-Markovian Stochastic Petri Net Tool (2007)
A. Horv'ath Y, A. Puliafito, M. Scarpa X, M. Telek Y, O. Tomarchio
This paper describes the design and the implementation of a new modeling tool for the analysis of non-Markovian stochastic Petri nets (SPN). This tool, called WebSPN, provides a discrete time...
F. Bergadano, A. Puliafito, S. Riccobene, G. Ruffo, L. Vita
Intelligent agents represent a powerful tool to implement distributed funtionalities into a network environment. This paper describes the current status of a research project whose target consists in...
REBELS: REmote Execution BasEd Load-balancing System (2007)
A. Puliafito, O. Tomarchio, G. Haring, G. Kotsis
We discuss the general objectives and the design of base mechanisms for managing resource sharing in a heterogeneous distributed environment. Given the need for simple, safe use of the computing and...
Design and Implementation of a WEB-based non-Markovian Stochastic Petri Net Tool (2007)
A. Horváth, A. Horv'ath Y, A. Puliafito, M. Scarpa, M. Telek, O. Tomarchio
. This paper describes a new modeling tool for the analysis of non-Markovian stochastic Petri nets (SPN). This tool, called WebSPN, provides a discrete time approximation of the stochastic behavior...
VOD services for mobile wireless devices (2007)
D. Bruneo, M. Villari, A. Zaia, A. Puliafito
Wireless devices are becoming very popular and powerful enough to be commonly adopted to access distributed services. More and more sophisticated applications are being developed and a very promising...
Polymers in linear shear flow: a numerical study (2007)
Celani, A., Puliafito, A., Turitsyn, K.
We study the dynamics of a single polymer subject to thermal fluctuations in a linear shear flow. The polymer is modeled as a finitely extendable nonlinear elastic FENE dumbbell. Both orientation and...
Statistics of Entropy Production in Linearized Stochastic System (2006)
Turitsyn, K., Chertkov, M., Chernyak, V. Y., Puliafito, A.
We consider a wide class of linear stochastic problems driven off the equilibrium by a multiplicative asymmetric force. The force brakes detailed balance, maintained otherwise, thus producing...
Nonlinear dynamics of the viscoelastic Kolmogorov flow (2006)
Bistagnino, A., Boffetta, G., Celani, A., Mazzino, A., Puliafito, A., Vergassola, M.
The weakly nonlinear regime of a viscoelastic Navier--Stokes fluid is investigated. For the purely hydrodynamic case, it is known that large-scale perturbations tend to the minima of a...
Dynamical Slowdown of Polymers in Laminar and Random Flows (2006)
Celani, A., Puliafito, A., Vincenzi, D.
The influence of an external flow on the relaxation dynamics of a single polymer is investigated theoretically and numerically. We show that a pronounced dynamical slowdown occurs in the vicinity of...
Numerical study of polymer tumbling in linear shear flows (2005)
We investigate numerically the dynamics of a single polymer in a linear shear flow. The effects of thermal fluctuations and randomly fluctuating velocity gradients are both analyzed. Angular,...
Polymers in linear shear flow: a numerical study (2005)
Celani, A., Puliafito, A., Turitsyn, K.
We study the dynamics of a single polymer subject to thermal fluctuations in a linear shear flow. The polymer is modeled as a finitely extendable nonlinear elastic FENE dumbbell. Both orientation and...
Qos management for mpeg-4 flows in wireless environment (2003)
D. Bruneo, M. Villari, A. Zaia, A. Puliafito
QoS represents one of the most crucial issues as it involves many different aspects and directly impacts the user satisfaction. In this paper we will tackle the very complex and challenging issue to...
MANET: possible applications with PDA in wireless imaging environment.” The (2002)
M. Guarnera, M. Villari, A. Zaia, A. Puliafito
Abstract- Wireless communication systems are becoming the new enabling technology for accessing, sharing and processing data. It is easily visionable as in a close future users will access Internet...
Manet: Possible Applications With Pda In Wireless Imaging Environment (2002)
Guarnera Villari Zaia, M. Guarnera, M. Villari, A. Zaia, A. Puliafito
Wireless communication systems are becoming the new enabling technology for accessing, sharing and processing data. It is easily visionable as in a close future users will access Internet through...
A Transparent Architecture for Agent Based Resource Management (1998)
G. Haring, G. Kotsis, A. Puliafito, O. Tomarchio
ABSTRACT--- A vital issue in context of modern distributed computing environments is a simple and safe use of the computing, storage and communication facilities present on the network. In this paper...
Petri nets with k simultaneously enabled generally distributed timed transitions (1998)
Stochastic Petri nets have been used to analyze the performance and reliability of complex systems comprising concurrency and synchronization. Various extensions have been proposed in literature in...
WebSPN: A Web-accessible Petri Net tool (1998)
A. Bobbio X, A. Puliafito, M. Scarpa X, M. Telek Y
Although the Web makes a large amount of information easy to access for a great number of users, it does not offer simple mechanisms to facilitate the use of a computation-oriented application on the...
A Transparent Architecture for Agent Based Resource Management (1998)
Haring Kotsis Puliafito, G. Haring, G. Kotsis, A. Puliafito, O. Tomarchio
A vital issue in context of modern distributed computing environments is a simple and safe use of the computing, storage and communication facilities present on the network. In this paper we propose...
WebSPN: A WEB-accessible Petri Net Tool (1998)
A. Bobbio, A. Puliafito, M. Scarpa, M. Telek
Although the Web makes a large amount of information easy to access for a great number of users, it does not offer simple mechanisms to facilitate the use of a computation-oriented application on the...
[9] C. Caoellmann and H. Dibold. Formal Specifications of Services in an (1996)
D. Simpson, Parallel Computing, John Wiley, A. Bobbio, A. Puliafito, M. Scarpa, ...
[5] M. Beaudouin-Lafon et al. CPN/Tools: A Post-WIMP Interface for Editing
Evaluation of Performability Parameters in Client-Server Environments (1996)
Puliafito, A., Riccobene, S., Scarpa, M.
The recent development of high-speed communication networks has led to great interest in client–server environments. In this context it is becoming increasingly important to have adequate tools to...
A Model for Performance Evaluation of Gracefully Degrading Systems (1993)
Catania, V., Puliafito, A., Vita, L.
The paper provides a systematic approach to modelling and assessing gracefully degrading systems, exploiting the formalism offered by Petri Nets. The procedure followed is based on the definition of...