Found an excellent article on "Migrating Citrix Virtual Apps and Desktops from on-premises to Citrix Cloud"
Source is Citrix Docs -docs.citrix.com
Migration Design and Strategies
#1 – Migrating the Control and Access Layer components to Citrix Cloud, integrating with Citrix Gateway Service
In this approach, the Control Layer components named Delivery Controllers, Database Servers, License Servers, and the Access Layer components named StoreFront Servers and Gateway are provisioned on Citrix Cloud and integrated with Citrix Gateway Service. The Cloud Connectors are deployed at customer-hosted locations known as resource locations. Users can securely access the Citrix Cloud environment through the Citrix Gateway Service from anywhere. The Gateway Service provides a secure remote access solution with diverse identity and access management capabilities to deliver a unified experience for apps and desktops. After the migration, the users need to access the Citrix Cloud Workspace URL for example,
https://examplecustomer.cloud.com to access the Citrix environment.
#2 - Migrating the Control Layer components integrating with On-Premises StoreFront and Gateway
In this approach, the Control Layer components are migrated to Citrix Cloud, but the Access Layer components remain at the on-premises environment. This approach provides extended access utilizing existing StoreFront and Citrix Gateway deployments to retain their access methodology. Users access the environment through on-premises Gateway and StoreFront which communicate with Citrix Cloud for resource enumeration. After the migration, users can access the Citrix environment with the existing On-Premises Gateway URL
https://CVAD.Customer.com.
#3 - Migrating the Control Layer components and StoreFront Services to Citrix Cloud and integrating Citrix Workspace with On-Premises Gateway
In this approach, the Control Layer components and StoreFront services are migrated to Citrix Cloud and Citrix Workspace is configured with On-Premises Gateway for accessing the workloads. This approach provides extended and optimal access utilizing existing On-Premises Citrix Gateway deployments to enable remote access for the workloads. Users access the environment through Citrix Workspace URL for the resource enumeration. When users launch a desktop or application, the ICA connection is then established via the on-premises Gateway to the workloads(VDA). After the migration, the users need to access the Citrix Cloud Workspace URL for example,
https://examplecustomer.cloud.com to access the Citrix environment and the On-Premises Gateway for ICA Proxy.
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