Resources

The table below describes the resources that you need in this practice.

**Table 1** Resource description
Resource	Description
Elastic Cloud Server (ECS)	For a Windows ECS, OBS Browser+ must be installed. For a Linux ECS, obsutil must be installed.
Object Storage Service (OBS)	OBS serves as a data storage resource pool to reduce the burden on the server. NOTICE: The OBS resources you want to access and the ECS must be in the same region. If they are in different regions, you can only access the resources over the Internet.
Virtual Private Cloud (VPC)	VPC enables users to create an isolated virtual network environment defined and managed by themselves, improving security of resources in the cloud and simplifying network deployment. A subnet is a network that provides IP address management and DNS services for the ECS in a VPC. IP addresses of an ECS must be in the same subnet.
Domain Name Service (DNS)	Intranet DNS is provided for resolving intranet domain names and OBS domain names. This simplifies the domain name resolution process and reduces costs on data transfer over the Internet.

Parent topic: Accessing OBS from an ECS over the Intranet

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