adrian hooke, cesg chair estec, noordwijk, netherlands 27 oct 2009 service architecture for space:...
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Adrian Hooke, CESG ChairESTEC, Noordwijk, Netherlands
27 Oct 2009
SERVICE ARCHITECTURE FOR SPACE:
why this BOF?
1
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
“Communications View” of Space Mission Operations
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
Space Link Access Service Provision (“SLE”)
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
Data Relay Service Provision (Prox-1)
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
Surface Service Provision (new Surface BOF)
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
Space Internet Service Provision (IOAG-SISG)
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
Mission Operations Application Service Provision
CFDP, AMSAudio, Video
CFDP, AMSAudio, Video
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Network Network NetworkNetwork Network
CommonOperations
Services
CommonOperations
Services
UserApplications
UserApplications
The SM&C View?
?
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• We don’t understand what you are trying to standardize (Operations Concept), or why (User Requirements)
• It looks like you are (at best) ignoring a whole bunch of painstaking work that has been done to date or you are (at worst) trying to throw it all out and force everyone to “do it our way”
• Either go away and stop annoying us, or learn to communicate better
To paraphrase the initial CESG reaction to SM&C:
But on further reflection came the recognition:• We don’t have an agreed “business model” for CCSDS
standardization• We don’t have an agreed architectural model of the services
that we are trying to standardize
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Cross SupportPartner
SpacecraftA
GroundStation
B
ControlCenter
A
SpacecraftB
GroundStation
A
ControlCenter
A
SpacecraftA
GroundStation
A
ControlCenter
A
SpacecraftB
GroundStation
B
ControlCenter
B
Is our business model -
Commonality?
Cross Support?
Interoperability?
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Hence --• Form a cross-cutting team
from across the Areas to define our business model and some kind of service framework into which all of our work can be referenced and evaluated
• Be prepared to merge in several related working groups which have been chipping away at parts of the problem
• Try to get something really useful, really quickly so that we don’t cause uncertainty in ongoing work