That is an Amazon S3 specific thing. On AWS S3, all buckets are shared globally, so you need a globally unique bucket name. On your local S3 instance, this is not needed (and it is not required on AWS S3, just a convention).
That is an Amazon S3 specific thing. On AWS S3, all buckets are shared globally, so you need a globally unique bucket name. On your local S3 instance, this is not needed (and it is not required on AWS S3, just a convention).