| Building and Deploying Flex 2 Applications > Building and Deploying Overview > Applying Flex Security > Using data services | |||
The Flex Data Management Service provides data synchronization between application tiers, real-time data updates, data replication, occasionally connected application services, and integration with data sources through adapters. This feature lets you create applications that work with distributed data, and lets you manage large collections of data and nested data relationships, such as one-to-one and one-to-many relationships.
The Flex messaging service provides messaging services for collaborative and real-time applications. This feature lets you create applications that can send messages to and receive messages from other applications, including Flex applications and Java Message Service (JMS) applications.
For information about configuring security for the Flex data services, see the Flex 2 Developer's Guide.
Flex 2.01