Hi Wang, I think the answer to your question is that in a production environment the MySQL instance and the Management Server(s) are on separate boxes.
So that no client or infrastructure data is held on the management servers themselves. A new management server could be built and pointed at the MySQL server and be operational immediately. Regards, Paul Angus S: +44 20 3603 0540 | M: +447711418784 paul.an...@shapeblue.com -----Original Message----- From: Wang Fei [mailto:pytho...@gmail.com] Sent: 12 March 2013 14:30 To: cloudstack-users@incubator.apache.org Subject: what does cloudstack stateless means? to my knowledge, it means that ms did not retain any client information in *session* on server-side. so I wonder cloudstack how to identify user and how cloudstack implement stateless? After googling, I can not found any document about this. I would be very appreciated if anyone could explain this for me. ---- best regards This email and any attachments to it may be confidential and are intended solely for the use of the individual to whom it is addressed. Any views or opinions expressed are solely those of the author and do not necessarily represent those of Shape Blue Ltd or related companies. If you are not the intended recipient of this email, you must neither take any action based upon its contents, nor copy or show it to anyone. Please contact the sender if you believe you have received this email in error. Shape Blue Ltd is a company incorporated in England & Wales. ShapeBlue Services India LLP is operated under license from Shape Blue Ltd. ShapeBlue is a registered trademark.