experimenting a cloud based solution for image processing and data access
TRANSCRIPT
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Jérôme GASPERI
GSCB - Cloud Computing Workshop
Toulouse - 29 february 2012
EXPERIMENTING A CLOUD BASED
SOLUTION FOR IMAGE PROCESSING
AND DATA ACCESS
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?
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host build consumeIAAS PAAS SAAS
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host build consumeIAAS PAAS SAAS
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Private or Public ?
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Public clouds have some serious issues...
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Data costs you money evenif you do not use them
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process 1 €
store 5 €
access 0.5 €
to
+
1 time
per year
each time
(Very) approximative computations for a 20x20 km PA+XS Pleiades product - based on Amazon EC2 and S3 pricings
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The majority of cloud providers are companies subject to the USA Patriot Act law
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Cloud providers mainly rely on proprietary or non standardized solution. This is a major
concern for development portability
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...so we go private !
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(Ideal) use case
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A cloud infrastructure to store raw data imagery, process to orthorectified level and provide access to full resolution products
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Real use case
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OpenStack on a small cloud (20 processors) storing SRTM tiles - Two steps processing chain, using OTB and including hill shading followed by spherical mercator reprojection ("Google") - Results tiled and accessed through WMS protocol
* ORFEO Tool Box - http://orfeo-toolbox.org
*
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Video
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OpenStack is a promising solution supported by several major IT actors
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The deployment of and existing processing chain is straightforward
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Accessing Cloud Storage from computing instances remains an issue since http paradigm
is incompatible with "filesystem like" tasks
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...Thanks Merci شكرا Grazie Danke Gracias
tak Спасибо תודה ačiū eskerrik asko ध"यवादobrigado 谢谢 Thanks Merci شكراGrazie
Danke Gracias tak Спасибо תודה ačiū eskerrik asko ध"यवाद obrigado 谢谢 Thanks
Merci شكرا Grazie Danke Gracias tak
Спасибо תודה ačiū eskerrik asko ध"यवाद