This is great! If you want to address a few other minor grammar errors...
"token revocation does not work"
"a vulnerability in the Keystone memcache token backend"
"invalidated by the trustee's token revocation"
"setups using the memcache backend for tokens"
This is great! If you want to address a few other minor grammar errors...
"token revocation does not work"
"a vulnerability in the Keystone memcache token backend"
"invalidated by the trustee's token revocation"
"setups using the memcache backend for tokens"