The Cloud Project

Managing huge repositories of data and large clusters of machines is no easy task — and building systems that use those clusters to usefully process that data is even harder. Last year, we held a conference on scalable systems so a bunch of people who work on these challenges could get together and share ideas. Well, it was so much fun that we’ve decided to do it again.

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Le “User Contributions” all’uso della piattaforma ShareGrid si sono arricchite con il contributo DcsShareGridBlender di Marco Guazzone (Universita’ del Piemonte Orientale - Dipartimento di Informatica). Si tratta di un tool, basato su Java, che realizza un’interfaccia ad alto livello tra l’utente di Blender e lo “scheduler” del sistema OurGrid, agevolando la sottomisione di job per applicativi che usano Blender. Alla pagina DcsShareGridBlender: Distributed Rendering in ShareGrid with Blender trovate codice e guida per usare DcsShareGridBlender.

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L’attivita’ per rendere disponibile una macchina virtuale ShareGrid (peer e calcolo e di OurGrid) e’ proseguita. Si puo’ vedere in ShareGrid Live Status la presenza di un nuovo laboratorio VPEER costruito usando l’immagine creata utilizzando XEN sulle macchine del laboratorio di TOPIX. E’ cosi’ possibile attivare laboratori di calcolo basati sul middleware di OurGrid semplicemente attivando la macchina virtuale che fornisce il servizio.

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A term that I’ve been hearing more frequently in the past few months is “desktop virtualization”. What does that mean anyway? It seems to me that this could be the use of any one of several different virtualization technologies in several categories of virtualization software (see Sorting out the different… (Read more)

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http://www.enomalism.com/features/next-generation/

Soluzione open source per il cloud computing… da approfondire.

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Ho ripreso questo post dal blog di Bill St.Arnaud perche’ riguarda i data center (e IX) relativamente alle problematiche del consumo energetico.

[At this weeks NANOG there was an excellent presentation on the challenges of the electrical power consumption and cooling for modern data centers.
Some very scary data and you can see why the ICT industry carbon footprintwill easily exceed that of aviation industry — BSA]
Gli “scary facts” sono:
By 2008, 50% of today’s Data Centers will have insufficient power andcooling;
By 2010, half of all (Enterprise) Data Centers will have to relocate or outsource applications to another facility.
Some organizations are in the unenviable position of paying more to power and cool a rack a servers than they paid for the rack and the servers themselves.
The Bottleneck of the Internet is the Colo!

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Dall’interessante articolo di Business Week, pubblicato su “Internazionale” nel numero 731 del 15/21 febbraio 2008, intitolato Google and the Wisdom of Clouds ho ricavato questa figura riassuntiva sugli attori principali relativi al “Cloud Computing”

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C. Anglano, M. Canonico, M. Guazzone, M. Botta, S. Rabellino, S. Arena, G. Girardi, M. Botta. Peer-to-Peer Desktop Grids in the Real World: the ShareGrid Project. Proc. of 8th International Workshop on Global and P2P Computing, co-located with CCGRID 2008, May 19-22 2008, Lyon, France.

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