DEPENDABLECLOUD

Towards the dependable cloud: Building the foundations for tomorrow's dependable cloud computing

Coordinatore	INESC ID - INSTITUTO DE ENGENHARIA DE SISTEMAS E COMPUTADORES, INVESTIGACAO E DESENVOLVIMENTO EM LISBOA    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	Portugal [PT]
Totale costo	1˙076˙084 €
EC contributo	1˙076˙084 €
Programma	FP7-IDEAS-ERC Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	ERC-2012-StG_20111012
Funding Scheme	ERC-SG
Anno di inizio	2012
Periodo (anno-mese-giorno)	2012-10-01   -   2017-09-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	FACULDADE DE CIENCIAS E TECNOLOGIADA UNIVERSIDADE NOVA DE LISBOA  Organization address address: QUINTA DA TORRE city: CAPARICA postcode: 2829 516 contact info Titolo: Dr. Nome: Luis Cognome: Gaspar Email: send email Telefono: +351 212 948 300	PT (CAPARICA)	beneficiary	522˙849.46
2	INESC ID - INSTITUTO DE ENGENHARIA DE SISTEMAS E COMPUTADORES, INVESTIGACAO E DESENVOLVIMENTO EM LISBOA  Organization address address: AVENIDA ALVES REDOL 9 city: S JOAO DE DEUS LISBOA postcode: 1000029 contact info Titolo: Prof. Nome: Luís Eduardo Teixeira Cognome: Rodrigues Email: send email Telefono: 351213000000 Fax: 351213000000	PT (S JOAO DE DEUS LISBOA)	hostInstitution	553˙234.54
3	INESC ID - INSTITUTO DE ENGENHARIA DE SISTEMAS E COMPUTADORES, INVESTIGACAO E DESENVOLVIMENTO EM LISBOA  Organization address address: AVENIDA ALVES REDOL 9 city: S JOAO DE DEUS LISBOA postcode: 1000029 contact info Titolo: Prof. Nome: Rodrigo Seromenho Miragaia Cognome: Rodrigues Email: send email Telefono: +351 213 100 359 Fax: +351 213 145 843	PT (S JOAO DE DEUS LISBOA)	hostInstitution	553˙234.54

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 Obiettivo del progetto (Objective)

'Cloud computing is being increasingly adopted by individuals, organizations, and governments. However, as the computations that are offloaded to the cloud expand to societal-critical services, the dependability requirements of cloud services become much higher, and we need to ensure that the infrastructure that supports these services is ready to meet these requirements. In particular, this proposal tackles the challenges that arise from two distinctive characteristic of the cloud infrastructure.

The first is that non-crash faults, despite being considered highly unlikely by the designers of traditional systems, become commonplace at the scale and complexity of the cloud infrastructure. We argue that the current ad-hoc methods for handling these faults are insufficient, and that the only principled approach of assuming Byzantine faults is too pessimistic. Therefore, we call for a new systematic approach to tolerating non-crash, non-adversarial faults. This requires the definition of a new fault model, and the construction of a series of building blocks and key protocol elements that enable the construction of fault-tolerant cloud services.

The second issue is that to meet their scalability requirements, cloud services spread their state across multiple data centers, and direct users to the closest one. This raises the issue that not all operations can be executed optimistically, without being aware of concurrent operations over the same data, and thus multiple levels of consistency must coexist. However, this puts the onus of reasoning about which behaviors are allowed under such a hybrid consistency model on the programmer of the service. We propose a systematic solution to this problem, which includes a novel consistency model that allows for developing highly scalable services that are fast when possible and consistent when necessary, and a labeling methodology to guide the programmer in deciding which operations can run at each consistency level.'