On 03/23/2012 11:36 AM, Johannes Erdfelt wrote: > On Fri, Mar 23, 2012, Kevin L. Mitchell <kevin.mitch...@rackspace.com> wrote: >> On Fri, 2012-03-23 at 13:43 +0000, Gabe Westmaas wrote: >>> However, I kind of expect that many users >>> will still poll even if they know they won't get new data until X >>> time. >> >> I wish there was some kind of way for us to issue push notifications to >> the client, i.e., have the client register some sort of callback and >> what piece of data / state change they're interested in, then nova would >> call that callback when the condition occurred. It probably wouldn't >> stop polling, but we could ratchet down rate limits to encourage users >> to use the callback mechanism. >> >> Of course, then there's the problem of, what if the user is behind a >> firewall or some sort of NAT... :/ > > Long polling is always an option.
Or WebSockets. -- Russell Bryant _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
