--- title: Service provider reference architecture decision trees description: You can use decision trees and a comparison chart to determine if a new customer should be added to a shared instance or to their own dedicated instance. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/bp-ded-instance-decision-tree.html release: australia topic_type: reference last_updated: "2025-07-31" reading_time_minutes: 1 breadcrumb: [Service provider reference architecture, Recommended practices for service providers, Domain separation for service providers, Access Management] --- # Service provider reference architecture decision trees You can use decision trees and a comparison chart to determine if a new customer should be added to a shared instance or to their own dedicated instance. ## Decision trees Use these decision trees to help your customers decide whether to use a managed or dedicated instance. \[Omitted image "bp-customer-decision-a-tree.png"\] Alt text: Customer decision tree \[Omitted image "bp-dedicated-vs-shared.png"\] Alt text: SP reference architecture decision tree ## SP reference architecture comparison \[Omitted image "bp-dedicated-ds-hybrid-siam.png"\] Alt text: Dedicated DS hybrid SIAM **Parent Topic:**[Service provider reference architecture](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/bp-sp-reference-arch-ds.md)