You are tasked with designing a cloud-based solution for a client using Microsoft Azure. The client has a mix of legacy on-premises applications and newer cloud-native applications. Describe how you would approach integrating these systems, ensuring data consistency and security. Specifically, discuss the Azure services you would use and the architecture you would propose. Follow-up Points: Explain how you would handle identity and access management. Discuss any specific Azure services like Azure Active Directory, Azure Logic Apps, Azure API Management, and Azure Service Bus. Describe your strategy for data migration and synchronization between on-premises and cloud systems. Consider any compliance and security measures that need to be in place.