On Thu, Dec 19, 2013 at 9:05 PM, 陈锐 <chenrui.momo at gmail.com> wrote: > I think you should use UUID token and backend should be sql or memcache > > If you want this to work across regions, redis or sql is likely what you want (with replication). sql with galera is likely the best option if you want to avoid a SPOF for writes. - Ryan -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20131221/b487d419/attachment.html>