1. @cloudbeatsch
Beat Schwegler
Microsoft Corporation
Twitter: @cloudbeatsch
Blog: http://cloudbeatsch.com

2. @cloudbeatsch
push notifications
integral part of modern applications

3. @cloudbeatsch
different platforms : gcm - apns - mpns
similar concepts and architecture

4. @cloudbeatsch
platform
notification
service
app
back-end
app
1
2
3
4
retrieve handle
store handle
send notification

5. @cloudbeatsch
platform
notification
service
app
back-end
1
2
3
4
Client
Notification
Service
App
retrieve handle
store handle
send notification

6. @cloudbeatsch
unique token per device and app
persist, refresh and retrieve millions of
tokens
challenge - registration management

7. @cloudbeatsch
~1 millisecond to send an async
notification
~16 minutes to send 1 million notifications
~32 servers to send them within 30
seconds
challenge - time to deliver message

8. @cloudbeatsch
personalized per user and/or device
language, message format, visuals
metrics (currency, temperature, length …)
challenge - message personalization

9. @cloudbeatsch
users/apps subscribe to topics
only interested in rugby and tennis news
and only when written by Rob, Ben or Paul
challenge - message routing

10. @cloudbeatsch
notification hubs
highly scalable pub/sub based service

11. @cloudbeatsch
10s
3+ <2
100s
3+ 150+

12. @cloudbeatsch
platform
notification
service
app
back-end
app
1
2
4
5
retrieve handle
store handle
send notification
notification hub
3

13. @cloudbeatsch
apns
app
back-end
Android app
1
2
4
5
notification hub
3
iOS app
gcm
5’
4’
3’
1’ 2’
retrieve handle
store handle
send gcm notification
send apn notification

14. @cloudbeatsch
Windows 8
var channel = await PushNotificationChannelManager.
CreatePushNotificationChannelForApplicationAsync();
var hub = new NotificationHub("<hub name>", "<connection str>");
var result = await hub.RegisterNativeAsync(channel.Uri);
iOS
didRegisterForRemoteNotificationsWithDeviceToken:(NSData *) deviceToken {
SBNotificationHub* hub = [[SBNotificationHub alloc] initWithConnectionString:
@"<connection str>" notificationHubPath:@«<hub name>"];
[hub registerNativeWithDeviceToken:deviceToken];
Android
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);
NotificationHub hub = new NotificationHub("<hub name>", "<connection str>", this);
String regid = gcm.register(SENDER_ID);
hub.register(regid);

15. @cloudbeatsch
var hub = NotificationHubClient.CreateClientFromConnectionString(
"<connection string>", “<hub name>");
hub.SendWindowsNativeNotificationAsync(@“<toast>
<visual>
<binding template="ToastText01">
<text id="1">This is a very simple notification</text>
</binding>
</visual>
</toast>“);
hub.SendAppleNativeNotificationAsync(@“{ aps: {
alert: "This is a very simple notification"
}}“);
hub.SendGcmNativeNotificationAsync(@“{"data" : {
"msg" : "This is a very simple notification"
}}");

16. @cloudbeatsch
templates
achieve platform independency

17. @cloudbeatsch
Android app
iOS app
{
aps: {
alert: "$(msg)"
}
}
notification hub
{
"data" : {
"msg" : "$(msg)"
}
}
app
back-end
hub.send(“
{msg: “hello”}
”);

18. @cloudbeatsch
Android app
iOS app
{
aps: {
alert: "hello"
}
}
notification hub
{
"data" : {
"msg" : “hello"
}
}
app
back-end
hub.send(“
{msg: “hello”}
”);
apns
gcm

19. @cloudbeatsch
templates
personalize notifications

20. @cloudbeatsch
Android app
iOS app
{
aps: {
alert: "$(msg_AF)"
}
}
notification hub
{
"data" : {
"msg" : "$(msg_EN)"
}
}
app
back-end
hub.send(“
{msg_EN: “good morning”}
{msg_AF: “goeie môre”}
”);

21. @cloudbeatsch
Android app
iOS app
{
aps: {
alert: "goeie môre"
}
}
notification hub
{
"data" : {
"msg" : “good morning"
}
}
app
back-end
apns
gcm
hub.send(“
{msg_EN: “good morning”}
{msg_AF: “goeie môre”}
”);
good
morning
goeie
môre

22. @cloudbeatsch
register templates:
Bob: {“image”:“$(img_5_days_C_EN)”}
Ben: {“image”:“$(img_3_days_F_EN)”}
Peter: {“image”:“$(img_3_days_C_AF)”}
notification message:
img_5_days_C_EN:”url1”,
img_5_days_F_EN:”url2”,
img_3_days_C_EN:”url3”,
img_3_days_F_EN:”url4”,
img_5_days_C_AF:”url5”,
img_5_days_F_AF:”url6”,
img_3_days_C_AF:”url7”,

23. @cloudbeatsch
tags
route notifications based on topics

24. @cloudbeatsch
Android app
iOS app
register tags: Eastern_Cape
notification hub
register tags: Western_Cape
app
back-end
tags: Western_Cape
msg: “weather warning”
msg: “weather warning”
weather
warning

25. @cloudbeatsch
Android app
iOS app
register tags: Eastern_Cape
notification hub
register tags: Western_Cape
app
back-end
tags: Western_Cape,Eastern_Cape
msg: “weather warning”
msg: “weather warning”
weather
warning
weather
warning

26. @cloudbeatsch
Android app
iOS app
register tags: Eastern_Cape,Western_Cape
notification hub
register tags: Western_Cape
app
back-end
tags: Western_Cape
msg: “weather warning”
msg: “weather warning”
weather
warning
weather
warning

27. @cloudbeatsch
Android app
iOS app
register tags: Western_Cape,Eastern_Cape,Heavy_Rain
notification hub
register tags: Western_Cape,Gails,Big_Waves
app
back-end
tags: (Western_Cape && Heavy_Rain)
msg: “weather warning”
msg: “weather warning”
weather
warning

28. @cloudbeatsch
tags are just strings
user:richard
group:id && !user:richard
device:sn0122299938
user:richard && device:sn0122299938
timezone:PST && follows:thaifood
version:1.0 && platform:Android

29. @cloudbeatsch
demo
weather warning app for south africa

30. @cloudbeatsch
under the hood
it’s the azure service bus

31. @cloudbeatsch
Gateway
Gateway
app
back-end
pns
iOS app
Notification
Message
Broker
Gateway
Store
Registratio
n Store
Messaging
Store
scale unit

32. @cloudbeatsch
in closing …

33. @cloudbeatsch
scaling push notifications
notification hubs are your friends

34. @cloudbeatsch
interconnect things (aka IoT)
service bus is a friend too

35. @cloudbeatsch
get started
www.azure.com