Serverless is the new hotness, but are Azure Functions right for your system? Presented by Adam Jones, Chief Technology Officer for LHP Telematics, LLC based in Westfield, IN.

1. Reports from the Field
Azure Functions in Practice
Adam Jones
Chief Technology Officer
LHP Telematics, LLC
lhptelematics.com

4. Telematics?
Tele - far
matics - acts

5. IoT

6. CAN – Controller Area Network

7. TCU
Telematics
Control Unit

8. The LHPT
Backend
Architecture
Shared Cloud Service Parent
Child Endpoints

9. Concerns
Do we continue using shared hosts?
Are cloud services obsolete?

11. Tip #1
Prepare for hosting
diversity now

18. Dependent libraries
available?
Runtime behavior
changes?
Alternative App Config

19. Concern
Is our Compute Expense matching our Compute Load?

20. AVG: ~500 Msgs / Sec MAX: > 2500 Msgs / Sec MIN: < 200 Msgs / Sec

21. PROD TEST
DEV

22. PROD
TEST
DEV

23. Automated Scaling
On a Schedule
Based on a metric (CPU%)
Cloud Services Function
Based on queue throughput
Minimum Instance Count: 1 Minimum Instance Count: 0
Coarse Scaling Fine Scaling

24. Tip #2
Choose functions
for volatile loads

25. Tip #3
Choose functions
for rare handlers

26. Theft deterrence and recovery is time-sensitive

30. Burst Load

31. Tip #4
Choose functions
for time-sensitive
loads

32. How does Functions Pricing Work?

33. Premium and App Service Pricing
Virtual Network Existing App Service

34. Consumption Plan
Resource Consumption
Execution Count
$0.000016/GB-s
$0.20 per million executions

35. TIME
Memory
What is a GB-s?

36. Tip #5
Avoid functions if
dimensions of cost
are uncontrollable

41. Tip #6
Beware the
Ephemeral
Disk
(AND RAM!)

42. Caching

43. Logging/Monitoring with Functions

45. Tip #7
Consider Secondary
Effects

48. Will your persistence scale?
Will your transport scale?
Will your third parties scale?

49. ASB Premium Tier (4MU)

50. Tip #8 – Only Send Necessary Messages

51. Should you throttle your Function?
How do you throttle a Function?

52. Daily Usage Quota

53. Dynamic Scale Out

54. Tip #9
Functions are for Async
(Out of Order)
Processing

58. Review

59. Review

60. Review

61. CalAmp Listener
Morey Listener
Xirgo Listener
LHPT Listener
Satellite Listener
Listener Endpoints
(Protocol Gateways)
Report Recorder
Archive Recorder
Arithmetic Adjustments
Reporting Endpoints
Curfew Alerts
Geofence Alerts
Data Alerts
Maintenance Alerts
Business Logic Endpoints
LHPT Sender
OEM #1 Custom Sender
OEM #2 Custom Sender
Email Sender
Sender Endpoints

62. CalAmp Listener
Morey Listener
Xirgo Listener
LHPT Listener
Satellite Listener
Listener Endpoints
(Protocol Gateways)
Report Recorder
Archive Recorder
Arithmetic Adjustments
Reporting Endpoints
Curfew Alerts
Geofence Alerts
Data Alerts
Maintenance Alerts
Business Logic Endpoints
LHPT Sender
OEM #1 Custom Sender
OEM #2 Custom Sender
Email Sender
Sender Endpoints

64. Adam Jones
Chief Technology Officer
LHP Telematics, LLC
adam.jones @ lhptelematics.com
www.linkedin.com/in/adamjone
Twitter: @JadeMason