Approach B: Leveraging Shared Infrastructure

Module 1	Introduction	Unit 1 IIS Sustainability Toolkit Introduction
Module 2	Getting Started	Unit 1 How to Use this Toolkit
Module 3	Defining IIS Sustainability	Unit 1 What is IIS Sustainability and Why Does it Matter?
Module 4	Strategy 1: Diversifying Funding	Unit 1 Diversifying Funding Introduction	Unit 2 Approach A. Leveraging Medicaid Match	Unit 3 Approach B. Billing for IIS Data
Module 5	Strategy 2: Optimizing IIS Efficiency	Unit 1 Optimizing IIS Efficiency Introduction	Unit 2 Approach A. Increasing the Use of Shared Services	Unit 3 Approach B: Leveraging Shared Infrastructure	Unit 4 Approach C: Using Open Source Software	Unit 5 Approach D. Implementing Process Automation	Unit 6 Approach E: Modernizing IIS
Module 6	Success Stories from the Field	Unit 1 Success Stories Introduction	Unit 2 Using Medicaid Match to Diversify IIS Funding	Unit 3 Diversifying IIS Funding Through Health Plan Billing	Unit 4 Slowing the Curve to Manage Rising IIS Costs
Module 7	Additional Considerations	Unit 1 Additional Considerations
Module 8	Additional Resources Related to Sustainability	Unit 1 Additional Resources
Module 9	References	Unit 1 References
Module 10	Abbreviations and Acronyms	Unit 1 Abbreviations and Acronyms

What is shared infrastructure?

Shared infrastructure refers to technology resources used by multiple IIS at the national level or by IIS and other programs at the jurisdictional level.

Examples at the jurisdictional and national levels include:

Jurisdictional level

IIS platforms that allow modernization and other enhancement costs to be shared among multiple jurisdictions using the same IIS platform
State enterprise cloud hosting environments
Data storage platforms (e.g., data lake to support analytics)
Analytics and reporting platforms (e.g., dashboards for data visualization)
Identity and access account management systems

National level

CDC IZ Gateway for interjurisdictional IIS data exchange and IIS immunization data exchange with national providers, like the Departments of Defense and Veterans Health Administration. Jurisdictions sign a Public Health IIS Jurisdictional MOU to participate.
REDCap (Research Electronic Data Capture) software platform for operational data collection, which is available through CDC.

How can leveraging shared infrastructure optimize IIS efficiency?

As with shared services, costs for shared infrastructure may be shared across multiple users or provided by national partners at little to no cost. This approach reduces the need for individual IIS to invest in and maintain standalone systems, lowers infrastructure and maintenance costs, and enables access to more advanced, scalable technologies. By leveraging shared infrastructure, jurisdictions can improve system performance, enhance interoperability, and focus limited resources on higher-value activities such as data quality, analytics, and program improvement.

How can leveraging shared infrastructure promote IIS sustainability?

Leveraging shared infrastructure promotes IIS sustainability by reducing the financial and operational burden on individual programs while providing access to scalable, modern technologies. By lowering infrastructure and maintenance costs and enabling shared investments across jurisdictions or national partners, IIS can operate more efficiently and redirect resources toward IIS maintenance and operations, ongoing system improvement, data quality, and long-term sustainability. Jurisdictions should consider putting service level agreements in place to secure the terms, conditions, and services associated with shared infrastructure services and cost sharing. These agreements may enable the IIS to access the resources it needs while avoiding the high costs of building separate, additional infrastructure.