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Unified QualityofService and DataLifecycle Definitions for Data Storage
and Access
… or how to managing expectations
Paul Millar
RDA Plenary 6 BoF (20150925)
Why are we here?
In INDIGODataCloud ...● We've identified a problem,
(well, two actually),● We want to fix this problem,
(we hope you do too!)● We want your help in fixing it
(we hope you do too!)
Combining QoS attributes
Independent Dependent
Continuous
Discrete
Discrete
Discrete “Islands of QoS”“Fee selection of QoS”
DLC usecases: the story of a file
Time
CreatedMain
analysis complete
Publicembargo
ends
Anticipated end of
interestEnd of life
Change QoS
Allow public access
Change QoS
Delete data
Change QoS
Accept/Reject
Deadline
(not to scale)
The plan:Definition of terms
Protocol definition
Implementations
Photos: greeblie@flickr, Steve Jurvetson, Gorazd Božič
Pool
NFS 4.1/pNFS
HTTP/WebDAV
PoolManager
gPlazma
1 TB
700 MHz ARM512 MB Memory2 * USB 2100 MB Ethernet
… and down to a single Raspberry Pi