I would like to use the azure blob and CDN premium features , but the documentation is very rare . This is something quite doable on Amazon S3 / CloudFront.
For clarity, I want *.azureedge.net/sample/index.html to be *.azureedge.net/sample/ and *.azureedge.net/sample/test.html equal to *.azureedge.net/sample/test
This is completely incomprehensible and requires "up to 4 hours" to preview the changes, so ...

After some research, Azure has a wrapper for the Verizon Edgecast CDN, and this page looks just like their ...
url-rewriting azure azure-storage-blobs azure-cdn
glued
source share