IP address optimization is a set of architectural enhancements that reduce the overall number of IP addresses in your deployment, simplifying your allow listing workflows while improving resiliency and enabling faster onboarding of Prisma Access tenants and enabling faster onboarding of Prisma Access tenants.

With IP address stickiness, you can secure the SaaS apps and websites that require user sessions to maintain the same egress IP address of Prisma Access throughout the user session.

Adding a Prisma Access location or experiencing a scaling event at an existing Prisma Access location could lead to new IP addresses being allocated to your Explicit Proxy deployments. It's a best practice to retrieve the new egress and gateway IP addresses and add them to an allow list of the SaaS applications. IP address optimization reduces the number of IP addresses that you have to manage in large deployments.