Overview

This document describes best practices for working with Anti-DDoS Service and provides operational guidelines that you can follow when using this service.

**Table 1** Best practices
Component	Reference
Alarm	Configuring Alarm Notifications
Post-attack handling	Connecting to a Server Routed to a Black Hole
	Using AAD to Determine the Attack Type
	Migrating Website Services
Origin server IP addresses	Obtaining the Source IP Address of a Client
Origin server IP addresses	Solution to Origin Server IP Address Exposure
Improving protection capabilities	Enhancing DDoS Mitigation Capabilities
	Connecting Services to AAD
	Best Practices of Tiered DDoS Scheduling
Joint protection	Using CNAD in combination with ELB
	AAD + Cloud WAF (ELB Access)
	AAD and WAF Interworking
	Using CNAD in Combination with CDN
	Huawei Cloud AAD, DDoS Scheduling Center, and CDN Interworking