问题描述
我看到一个关于无声推送通知限制的参考:无声推送是有速度限制的——每小时几次"
I saw one reference to limits on silent push notifications: "Silent pushes are rate limited—a handful per hour"
(来自 WWDC 2013:http://devstreaming.apple.com/videos/wwdc/2013/204xex2xvpdncz9kdb17lmfooh/204/204.pdf)
(From WWDC 2013: http://devstreaming.apple.com/videos/wwdc/2013/204xex2xvpdncz9kdb17lmfooh/204/204.pdf )
我在其他任何地方都没有看到过这种情况，在我们的实验中，我们也没有看到任何这样的限制.有谁知道这是否是我们需要考虑的事情?常规APN的所有描述似乎都在暗示没有限制，虽然它们不一定是实时接收的，但它们最终应该会被传递.
I haven't seen this documented anywhere else, and in our experiments we have not seen any such limit. Does anyone know if this is something we need to take into account? All descriptions of regular APNs seem to imply that there is no limit, and while they are not necessarily received in real time, they should eventually be delivered.
我们正在考虑每台设备每分钟使用一次静音通知，因此虽然不会每隔几秒钟敲击设备一次，但每小时肯定会超过几次.
We are looking into using silent notifications as often as once a minute per device, so while not hammering the device every few seconds, certainly more than a few per hour.
推荐答案
是和否.Apple 说他们是，但你可以发送任意数量的，APNS 服务器会处理多余的.请参阅:http://www.objc.io/issue-5/multitasking.html
Yes and No. Apple says they are but you can send as many as you want and the APNS server will take care of the excess. See there: http://www.objc.io/issue-5/multitasking.html
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