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## Service Layer Architecture

This topic discusses the salient features of Service Layer design.

Sailent Features of Service Layer Design

- Faster and easy Integration with multiple applications
- Light weight design to provide scalability
- Allows users to perform CRUD and search operations on OIPA entity resources
- Lighter payload
- Self discoverable
- Real-time data exchange
- Provides security to data
- Enables mobile integration

System Architecture

The following diagram illustrates the Service Layer system architecture in terms of its interactions:

OIPA REST Services Application

The Service Layer application is implemented as a multi-tier J2EE-based server-side application. The application can be deployed as a standalone component and can scale independently. The application supports delegated security model for authentication and endpoint authorization.

The following diagram illustrates the OIPA REST services application architecture: