<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jan 28, 2014 at 5:41 PM, Lucas Holmquist <span dir="ltr"><<a href="mailto:lholmqui@redhat.com" target="_blank">lholmqui@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5"><br>
On Jan 28, 2014, at 11:01 AM, Summers Pittman <<a href="mailto:supittma@redhat.com">supittma@redhat.com</a>> wrote:<br>
<br>
> On 01/28/2014 10:58 AM, Lucas Holmquist wrote:<br>
>> On Jan 28, 2014, at 10:54 AM, Summers Pittman <<a href="mailto:supittma@redhat.com">supittma@redhat.com</a>> wrote:<br>
>><br>
>>> On 01/28/2014 10:48 AM, Lucas Holmquist wrote:<br>
>>>> On Jan 28, 2014, at 10:30 AM, Summers Pittman <<a href="mailto:supittma@redhat.com">supittma@redhat.com</a>> wrote:<br>
>>>><br>
>>>>> On 01/28/2014 09:36 AM, Lucas Holmquist wrote:<br>
>>>>>> yup, this is another Data Sync thread,<br>
>>>>>><br>
>>>>>>> From a client side perspective, i have concerns that there is still not a clear direction yet.<br>
>>>>>> I know there are multiple ideas floating around on what our model should be, i'm all for choice, but what about deciding on 1 model to get started with. Then later once we have this nailed down, we can have other "adapters" with different models perhaps<br>
>>>>> All the data model is is an envelope of sync metadata around an object<br>
>>>>> right?<br>
>>>> right<br>
>>>><br>
>>>>> We also need to think about the API and server/client protocol as well.<br>
>>>>><br>
>>>>> I think that for sync 1.0 we could focus on the following behavior (it<br>
>>>>> worked for my demos at least)<br>
>>>>><br>
>>>>> 1. We have a Sync factory similar to Pipeline, Authenticator,<br>
>>>>> Registrar, and KeyService.<br>
>>>>> 2. The Sync factory consumes/manages Synchronizer instances.<br>
>>>>> 3. AG Synchronizer listens for sync messages using UnifiedPush endpoints.<br>
>>>> i thought for a 1.0 we weren't thinking about "realtime"<br>
>>> When I hear realtime I think sub 100 ms updates to all clients. (think<br>
>>> gaming)<br>
>>><br>
>>> What I thought we were going for was something closer to email. The<br>
>>> data gets changed and at some point in the future the client knows. More<br>
>>> specifically, the thing the ONE thing that makes sync special is it is a<br>
>>> push instead of poll implementation.<br>
>> this makes sense, but i guess it would be push when available. thinking web and crappy web socket support( dang you carriers )<br>
> Right. I'm not saying lets do something complicated. I'm saying lets<br>
> use GCM, iOS CM, and simple push to send notifications to tell the<br>
> client something. In simplePush case it is "this data changed, get the<br>
> new stuff and update yourself". In Android and iOS case it may be that<br>
> or it may be "here is new data".<br>
><br>
> In general, I am fine for getting a message saying something like<br>
> Documents/Schedules/1/${revision}. Then I can check my revisions, fetch<br>
> data if necessary, update my local data, and send any updates. That<br>
> SHOULD (I think) be doable with simplepush as well right?<br>
<br>
<br>
</div></div>not sure how i feel about using "push"( APNS, GCM, SimplePush ) stuff for sync.<br>
<br>
then we are relying on these 3rd party services,<br></blockquote><div><br></div><div><br></div><div>+1</div><div><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb"><div class="h5"><br>
><br>
>><br>
>>>>> 4. AG Synchronizer sends sync messages using Pipes<br>
>>>>> 5. AG Synchronizer holds local data in a store<br>
>>>>><br>
>>>>> 6. When AGSynchronizer gets a message it is responsible for updating<br>
>>>>> the Store and then notifying code listing for updates OR for notifying<br>
>>>>> the code that an error has occurred and needs to be addressed.<br>
>>>>><br>
>>>>> 7. When the developer updates data in the store, the synchronizer<br>
>>>>> should package that data and send it to the server. The synchronizer is<br>
>>>>> responsible for error handling, retrying, back-off, etc.<br>
>>>>><br>
>>>>> 8. We should include multiple synchronizer implementations to deal with<br>
>>>>> multiple very simple use cases which involve legacy systems. (For<br>
>>>>> instance polling to load static data on a schedule.)<br>
>>>>><br>
>>>>> Thoughts? Tomatoes?<br>
>>>>>><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>Matthias Wessendorf <br><br>blog: <a href="http://matthiaswessendorf.wordpress.com/" target="_blank">http://matthiaswessendorf.wordpress.com/</a><br>
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