# 其他 AWS 服务的预留模型
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 除了 Amazon EC2 之外，预留模型也适用于 Amazon RDS、Amazon ElastiCache、OpenSearch Service、Amazon Redshift 和 Amazon DynamoDB。

**Topics**
+ [Amazon RDS 预留数据库实例](amazon-rds-reserved-db-instances.md)
+ [Amazon ElastiCache 预留节点](amazon-elasticache-reserved-nodes.md)
+ [Amazon OpenSearch Service 预留实例](amazon-elasticsearch-service-reserved-instances.md)
+ [Amazon Redshift 预留节点](amazon-redshift-reserved-nodes.md)
+ [Amazon DynamoDB 预留](amazon-dynamodb-reservations.md)