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4. Cloud Storage architectures
As we have seen in the preceding paragraphs, there has been no revolution in the hardware architectures used to build Cloud Storage. They make use of existing hardware technologies, but above all benefit from software developments that have developed rapidly with the arrival of Web 2.0. Indeed, the main implementations use a system of load balancing on several standardized x86-type servers, as we shall see in this section.
4.1 Data distribution techniques
Having discovered the solutions, let's take a look at how data is distributed in Cloud Storage solutions. Two main families are deployed:
solutions based on traditional storage ;
solutions using connected servers or storage nodes...
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Cloud Storage architectures
The benefits of Cloud Storage
Bibliography
- (1) - Forecast : External controller-based disk storage. - Worldwide, 2011-2015, 1Q11 Update, Gartner, 15 mars 2011.
- (2) - - http://aws.amazon.com/fr/ec2/188-5068371-6766308/...
Software tools
The status of the Cloud Data Management Interface Reference Implementation standard is still incomplete. However, a code and the corresponding interface status documents are available at http://cdmi.sniacloud.com/http://www.snia.org/sites/default/files/CDMI_RI_0c.zip
...Websites
Amazon S3 – Service agreement http://aws.amazon.com/fr/s3-sla/
Up-to-date information and status of problems encountered http://status.aws.amazon.com/
Cleversafe http://www.cleversafe.com/
...Events
Online events proposal: webcast http://www.brighttalk.com
Gartner Symposium http://Gartner.com/eu/symposium
CNIT Cloud computing event October 2011 http://www.mobility-for-business.com
...Standards and norms
- http://www.securite-informatique.gouv.fr/gp_article85.html - ISO 27001 -
- http://sas70.com/ - SAS 70 -
Regulations
European Data Protection Directive http://europa.eu/legislation_summaries/information_society/data_ protection/http://en.wikipedia.org/wiki/Data_Protection_Directive
Patriot Act...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Dell Equalogic http://www.equallogic.com/http://www.dell.com
Seanodes http://www.seanodes.com/
Isilon...
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