applying the software as a service (saas) model to air
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Applying the Software as a Service (SaaS) Model to Air Emissions
Inventory Collection
Paul BakerMACTEC
Overview
Emission Inventory Data CollectionWhat SaaS isWhy the EIS is good for SaaSHow SaaS worksSaaS Benefits for AgenciesWhat to look for when considering SaaSWho should consider SaaSConclusion
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Emission Inventory Data Collection
Recurring processShortened timelineSignificant cost to streamlineNew approach - SaaS
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What is Software as a Service (SaaS)
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Typical Web Application Architecture(hosted at agency)
State/Local Agency
NEI/EIS
Web Server
Database Server
Data Archive
What is Software as a Service (SaaS)
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SaaS Application Architecture(hosted by the vendor)
State/Local Agency
NEI/EIS
Web Server
Database Server
Data Archive
Application Vendor
SaaS Examples
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The SaaS Model
Shifts application burdenEliminates added costs and complexitiesBenefit of new technologyImproves agency efficiency
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Why SaaS is good for EIS
Vendor handles data changesCommon task orientedSingle code baseVendor development cycle stability
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How SaaS Works
Establish host environmentGrant access
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SaaS Benefits for Agencies
Faster implementationRemoved environment responsibilitiesOne code baseRemoved from security and archive responsibilitiesEIS and CERS compatibility
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What to look for when considering SaaS
StabilitySubject matter knowledgeApplication suitabilityData security / availabilitySystem securityIntegration
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What to look for when considering SaaS - continued
Specific needsExisting dataCostSupport
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Who should consider SaaS
Non-compliant legacy systemsIT infrastructureBudget
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Conclusions
Widespread acceptanceCost effectShorten collection schedules
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