1.

Record Nr.

UNINA9910132411203321

Titolo

Large-scale distributed systems and energy efficiency : a holistic view / / edited by Jean-Marc Pierson

Pubbl/distr/stampa

Hoboken, New Jersey : , : Wiley, , 2015

©2015

ISBN

1-118-95912-4

Descrizione fisica

1 online resource (336 p.)

Collana

Wiley Series on Parallel and Distributed Computing

Disciplina

621.39

Soggetti

Data processing service centers - Energy conservation

Electronic data processing - Distributed processing - Energy conservation

Computer networks - Energy conservation

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references at the end of each chapters and indexes.

Nota di contenuto

Cover; Contents; Preface; Acknowledgment; Chapter 1 Introduction to Energy Efficiency in Large-Scale Distributed Systems; 1.1 Energy Consumption Status; 1.2 Target of the Book; 1.3 The Cost Action IC0804; 1.3.1 Birth of the Action; 1.3.2 Development of the Action; 1.3.3 End and Future of the Action; 1.4 Chapters Preview; Acknowledgement; References; Chapter 2 Hardware Leverages for Energy Reduction in Large-Scale Distributed Systems; 2.1 Introduction; 2.1.1 Motivation for Energy-Aware Distributed Computing; 2.2 Processor; 2.2.1 Context; 2.2.2 Advanced Configuration and Power Interface (ACPI)

2.2.3 Vendors 2.2.4 General-Purpose Graphics Processing Unit (GPGPU); 2.2.5 ARM Architecture; 2.3 Memory (DRAM); 2.3.1 Context; 2.3.2 Power Consumption; 2.3.3 Energy Efficiency Techniques; 2.3.4 Vendors; 2.4 Disk/Flash; 2.4.1 Spindle Speed; 2.4.2 Seek Speed; 2.4.3 Power Modes; 2.4.4 Power Consumption; 2.4.5 Solid-State Drive (SDD); 2.5 Fan; 2.6 Power Supply Unit; 2.7 Network Infrastructure; 2.7.1 Current Scenario; 2.7.2 New Energy-Oriented Model; 2.7.3 Current Advances in Networking; 2.7.4 Adaptive Link Rate (ALR); 2.7.5 Low Power Idle (LPI); 2.7.6 Energy-Aware Dynamic RWA Framework



2.7.7 Energy-Aware Network Attacks References; Chapter 3 Green Wired Networks; 3.1 Economic Incentives and Green Tariffing; 3.1.1 Regulatory, Economic, and Microeconomic Measures; 3.1.2 Pricing Theory in Relation to Green Policies; 3.1.3 COST Action Results; 3.2 Network Components; 3.2.1 Router; 3.2.2 Network Interface Card; 3.2.3 Reconfigurable Optical Add-Drop Multiplexer; 3.2.4 Digital Subscriber Line Access Multiplexer; 3.3 Architectures; 3.3.1 Access Networks; 3.3.2 Carrier Networks; 3.3.3 Grid Overlay Networks; 3.4 Traffic Considerations; 3.5 Energy-Saving Mechanisms

3.5.1 Static Mechanisms 3.5.2 Dynamic Mechanisms; 3.6 Challenges; 3.7 Summary; References; Chapter 4 Green Wireless-Energy Efficiency in Wireless Networks; 4.1 Introduction; 4.2 Metrics and Trade-Offs in Wireless Networks; 4.2.1 Metrics; 4.2.2 Energy Optimization Trade-Offs; 4.2.3 Summary; 4.3 Measurement Methodology; 4.3.1 Energy Measurement Testbeds; 4.3.2 Energy Estimation Techniques; 4.3.3 Energy Measurements versus Estimation; 4.3.4 Summary; 4.4 Energy Efficiency and QoE in Wireless Access Networks; 4.4.1 Energy Issues in Cellular Networks

4.4.2 Energy Efficiency and QoE in Wireless Mesh Networks 4.4.3 Reducing Energy Consumption of the End User Device; 4.4.4 Energy Measurements Revealing Video QoE Issues; 4.4.5 Energy Issues in Environmental WMNs; 4.4.6 Summary; 4.5 Energy-Efficient Medium Access in Wireless Sensor Networks; 4.5.1 MaxMAC -- An Energy-Efficient MAC Protocol; 4.5.2 Real-World Testbed Experiments with MaxMAC; 4.5.3 Summary; 4.6 Energy-Efficient Connectivity in Ad-Hoc and Opportunistic Networks; 4.6.1 Ad-Hoc Networking; 4.6.2 Opportunistic and Delay-Tolerant Networking; 4.6.3 Summary; 4.7 Summary and Conclusions

References

Sommario/riassunto

Addresses innovations in technology relating to the energy efficiency of a wide variety of contemporary computer systems and networks   With concerns about global energy consumption at an all-time high, improving computer networks energy efficiency is becoming an increasingly important topic. Large-Scale Distributed Systems and Energy Efficiency: A Holistic View addresses innovations in technology relating to the energy efficiency of a wide variety of contemporary computer systems and networks. After an introductory overview of the energy demands of current Information and Communications Tech



2.

Record Nr.

UNISALENTO991001917899707536

Titolo

Il senso del Medioevo : in memoria di Claudio Leonardi : giornata di studi promossa dall'Accademia roveretana degli agiati ... Rovereto, 14 maggio 2011 / a cura di Antonella Degl'Innocenti ... [et al.]

Pubbl/distr/stampa

Firenze : Edizioni del Galluzzo per la Fondazione Ezio Franceschini, 2012

ISBN

9788884504449

Descrizione fisica

VIII, 146 p. ; 24 cm.

Collana

Carte e carteggi ; 16

Altri autori (Persone)

Degl'Innocenti, Antonella

Disciplina

940.1

Soggetti

Medioevo - Saggi

Leonardi, Claudio

Leonardi, Claudio

Lingua di pubblicazione

Italiano

Formato

Materiale a stampa

Livello bibliografico

Monografia