0e594899_ublic_cloud___yet_another_blog__Feature
Activating S3 is associated with an AWS account but the account name is NOT associated with the namespace of the objects stored on S3 The bucket name you choose must be unique across all existing bucket names in Amazon S3 [Azure Blob Storage] A Storage account is a globally uniquely identified entity within blob storage. The account is the parent namespace for the Blob service [GCP Cloud Storage] Activating Cloud Storage is associated with a project but the project name or ID is NOT associated with the namespace of the objects stored on Cloud Storage every bucket must have a unique name across the entire Google Cloud Storage namespace [Feature] 
Namespace considerations
Devops and the Public cloud | yet another blog
Feature