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

2

Emission Inventory Data Collection

Recurring processShortened timelineSignificant cost to streamlineNew approach - SaaS

3

What is Software as a Service (SaaS)

4

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)

5

SaaS Application Architecture(hosted by the vendor)

State/Local Agency

NEI/EIS

Web Server

Database Server

Data Archive

Application Vendor

SaaS Examples

6

The SaaS Model

Shifts application burdenEliminates added costs and complexitiesBenefit of new technologyImproves agency efficiency

7

Why SaaS is good for EIS

Vendor handles data changesCommon task orientedSingle code baseVendor development cycle stability

8

How SaaS Works

Establish host environmentGrant access

9

SaaS Benefits for Agencies

Faster implementationRemoved environment responsibilitiesOne code baseRemoved from security and archive responsibilitiesEIS and CERS compatibility

10

What to look for when considering SaaS

StabilitySubject matter knowledgeApplication suitabilityData security / availabilitySystem securityIntegration

11

What to look for when considering SaaS - continued

Specific needsExisting dataCostSupport

12

Who should consider SaaS

Non-compliant legacy systemsIT infrastructureBudget

13

Conclusions

Widespread acceptanceCost effectShorten collection schedules

14