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There are many scenarios for migrating data to HUAWEI CLOUD, such as Migrating SAP systems from x86 platform to HUAWEI CLOUD, Migrating SAP systems form a third-party cloud to HUAWEI CLOUD, Migrating SAP systems from IBM or HP midrange computers to HUAWEI CLOUD ,Migrating SAP applications running on a non-HANA database to HUAWEI CLOUD SAP HANA, and migrating data to the cloud. Then use Direct Connect to migrate data.

Migrating Local Data to the Cloud
Local data is stored in the IDC that you have built or rent, or on the third-party cloud, including data stored in relational databases, NoSQL databases, OLAP databases, and file systems.
In this scenario, if you want to use the cloud computing and storage resources, you must migrate local data to the cloud in advance. Ensure that the local network can communicate with the cloud network.

For details, please check the following document:
https://support.huaweicloud.com/intl/en-us/productdesc-cdm/cdm_01_0002.html
HUAWEI CLOUD also includes multiple clouds, such as public cloud, hybrid cloud, and private cloud. Therefore, specific solutions may be designed based on specific scenarios.
Hope this can help you!