# Related Services

Table 1 Related services
Service | Relationship with IMS | Related Operation
--- | --- | ---

Elastic Cloud Server (ECS)

You can use an image to create ECSs or use an ECS to create an image.

- Creating an ECS from an Image
- Creating a System Disk Image from a Windows ECS
- Creating a System Disk Image from a Linux ECS

Bare Metal Server (BMS) | You can use an image to create BMSs or use a BMS to create an image. | Creating a BMS System Disk Image
Object Storage Service (OBS) | Images are stored in OBS buckets. External image files to be uploaded to the system are stored in OBS buckets, and private images are exported to OBS buckets. | Exporting an Image
Key Management Service (KMS) | KMS provides the keys used for encrypting images. | Encrypting Images
Elastic Volume Service (EVS) | You can create a data disk image using a data disk of an ECS. The created data disk image can be used to create other EVS disks. | Creating a Data Disk Image from an ECS
Cloud Server Backup Service (CSBS) | You can use a CSBS backup to create a full-ECS image. | Creating a Full-ECS Image from a CSBS Backup
Cloud Backup and Recovery (CBR) | You can use a CBR backup to create a full-ECS image. | Creating a Full-ECS Image from a CBR Backup
Tag Management Service (TMS) | You can add tags to images for convenient classification and search. | Tagging an Image
Cloud Trace Service (CTS) | CTS records IMS operations for query, auditing, or backtracking. | Auditing Key Operations

Parent topic: Overview