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77 results on '"Monti, P"'

6. Realizing services and slices across multiple operator domains

Author

Vaishnavi, I., primary, Czentye, J., additional, Gharbaoui, M., additional, Giuliani, G., additional, Haja, D., additional, Harmatos, J., additional, Jocha, D., additional, Kim, J., additional, Martini, B., additional, MeMn, J., additional, Monti, P., additional, Nemeth, B., additional, Poe, Wint Yi, additional, Ramos, A., additional, Sgambelluria, A., additional, Sonkoly, B., additional, Toka, L., additional, Tusa, F., additional, Bernardos, C. J., additional, and Szabo, R., additional

Published
2018
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7. Semi enclosed basin monitoring and analysis of meteo, wave, tide and current data

Author

Armenio, Elvira, BEN MEFTAH, Mouldi, Bruno, Maria Francesca, DE PADOVA, Diana, DE PASCALIS, Francesca, DE SERIO, Francesca, DI BERNARDINO, Annalisa, Mossa, Michele, Leuzzi, G., and Monti, P.

Subjects
Environmental monitoring, annual wind distribution, annual wave distribution, current and tidal level interaction
Published
2016

11. Orchestration of Network Services across multiple operators: The 5G Exchange prototype

Author

Sgambelluri, A., primary, Tusa, F., additional, Gharbaoui, M., additional, Maini, E., additional, Toka, L., additional, Perez, J. M., additional, Paolucci, F., additional, Martini, B., additional, Poe, W. Y., additional, Melian Hernandes, J., additional, Muhammed, A., additional, Ramos, A., additional, de Dios, O. G., additional, Sonkoly, B., additional, Monti, P., additional, Vaishnavi, I., additional, Bernardos, C. J., additional, and Szabo, R., additional

Published
2017
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12. Orchestrating QoS-based connectivity services in a multi-operator sandbox.

Author

Sgambelluri, A., Dugeon, O., Muhammad, A., Martin-Perez, J., Ubaldi, F., Sevilla, K., De Dios, O. G., Pepe, T., Bernardos, C. J., Monti, P., and Paolucci, F.

Abstract

One of the main features of 5G networks is the coordinated orchestration of both information technology (IT) and connectivity resources. This enables the deployment of a flexible and programmable architecture able to provision end-to-end services with different (and sometimes quite) stringent quality of service (QoS) constraints. In this paradigm, service orchestration may take place over single or multiple administrative domains. The 5G Exchange (5GEx) project, building on the software-defined network and the network function virtualization (NFV) concepts, targets the design and the implementation of a multi-domain orchestrator (MdO) prototype for the automatic provisioning of network service across multiple administrative domains. This paper presents an architectural solution, designed and implemented in the context of the 5GEx MdO prototype, that can be used to establish end-to-end connectivity tunnels with QoS constraints (i.e., bandwidth and/or end-to-end delay) connecting virtualized network functions deployed in remote data centers controlled by different providers by means of an innovative stateful backward recursive path-computation-element-based computation procedure. The proposed solution has been experimentally validated in terms of scalability, reliability, and end-to-end workflow proof-of-concept. Results show how the designed solution permits the automatic establishment of QoS-based end-to-end tunnels spanning across multi-technology and multi-operator network domains. The orchestration scheme does not present scalability issues for either the advertisement of resources or for the provisioning of connectivity services. Moreover, no issues have been identified from the reliability point of view. [ABSTRACT FROM AUTHOR]

Published
2019
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24. Energy efficient PONs with service delay guarantees.

Author

Valcarenghi, L., Chincoli, M., Monti, P., Wosinska, L., and Castoldi, P.

Abstract

Passive Optical access Networks (PONs) are currently the major contributor to the energy consumption budget of fixed optical networks. In PON, the largest part of the energy consumption is due to the equipments at the customer premises. This paper proposes a method for maximizing energy savings while providing services with delay guarantees (i.e., frame delivery time and frame delay variation). The method combines service-based variable sleep period and a queueing theory model to compute the optimal sleep time. Simulation results prove the effectiveness of the method for a Poisson frame arrival process. [ABSTRACT FROM PUBLISHER]

Published
2012

44. Cooperative and Reliable ARQ Protocols for Energy Harvesting Wireless Sensor Nodes.

Author

Tacca, M., Monti, P., and Fumagalli, A.

Abstract

One class of wireless sensor networks makes use of sensor nodes that recharge their batteries by harvesting energy from the surrounding environment. Being continuously recharged, the battery does not need to be replaced regularly and the sensor node is maintenance-free. A key module in such sensor network solutions is the data link automatic repeat request (ARQ) protocol, which must be designed to reliably deliver sensor nodes data at the minimum energy cost. With this objective in mind, two ARQ protocol classes are compared. In one class, each sensor node operates individually. In the other, the concept of cooperative communications is adopted, whereby neighboring sensor nodes help each other during the retransmission process. It is shown that the use of cooperative ARQ protocols in energy harvesting sensor networks enables sensor nodes to balance their energy consumption to match their own battery recharge rate. In turn, a balanced energy consumption-to-recharge rate ratio has the potential to improve the network throughput. Both classes of ARQ protocols are analyzed and compared. Estimated throughput gains are discussed under various network scenarios. [ABSTRACT FROM PUBLISHER]

Published
2007
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48. Impairment-Aware routing and waveband assignment for efficient optical transport networks.

Author

Jirattigalachote, A., Yamada, Y., Cavdar, C., Monti, P., Wosinska, L., Hasegawa, H., and Sato, K.

Abstract

We demonstrate the importance of considering physical impairments in waveband-based optical networks. We propose and evaluate an Impairment-Aware waveband-routing and waveband-assignment (IA-RWBA) algorithm achieving significant improvement in both impairment satisfaction rate and total network cost. [ABSTRACT FROM PUBLISHER]

Published
2012

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