# Architectural guidance for Connect Customer
<a name="architecture-guidance"></a>

This topic provides guidance and best practices for designing and building reliable, secure, efficient, and cost-effective systems for your Connect Customer contact center workloads. Using this guidance can help you build stable and efficient workloads, allowing you to focus on innovation, reduce costs, and improve your customer's experience.

This content is intended for chief technology officers (CTOs), architects, developers, and operations team members.

**Topics**
+ [Services to use with Connect Customer](related-services-amazon-connect.md)
+ [Connect Customer workload layers](workload-layers.md)
+ [Scenario and deployment approaches](scenario-deployment-approaches.md)
+ [Single Instance or Multiple Instances?](single-instance-multiple-instances.md)
+ [Operational Excellence](operational-excellence.md)
+ [Security for contact centers](security-bp.md)
+ [Fraud prevention](fraud-prevention.md)
+ [Load and penetration / security testing](load-and-penetration-testing.md)
+ [Reliability in Connect Customer](reliability-bp.md)
+ [Performance efficiency for Amazon Connect workloads](performance-efficiency-bp.md)
+ [Cost optimization for Connect Customer workloads](cost-optimization-bp.md)