The document discusses the inefficiencies of cloud infrastructure, highlighting an average 30% idle rate and $30 billion wasted. It emphasizes cost-saving solutions through backend as a service and function as a service models, which allow automatic scaling and pay-per-use billing. Additionally, it notes practical examples and the importance of optimized coding for reducing costs in cloud applications.

2. • 30% idle on average
• 30b $ wasted
• Amazon:
• ~ 7,3 % CPU load

4. physical

5. virtualization

6. infrastructure as a service

7. PaaS / Containers

11. serverless

13. •1: destroy servers
•2: …
•3: Profit??

15. Backend
as a
service
Function
as a
service

17. client
Application server
authentication
Database operations
Upload files
Auth provider
db provider
storage provider

18. Why reinvent
the wheel
Managed by
third party
Less
complexity
Cost

19. Backend
as a
service
Function
as a
service

20. Azure functions AWS lamda Google cloud functions

21. Host (process)
FaaS platformApplication process
operation
operation
operation

22. FaaS platform
operation
operation
operation
An event occurs
operation

23. CLIENT
HANDLE CLICK
FUNCTION DB
Click

24. CLIENT
HANDLE CLICK
FUNCTION DB
Click
HANDLE CLICK
FUNCTION
HANDLE CLICK
FUNCTION
HANDLE CLICK
FUNCTION
HANDLE CLICK
FUNCTION
HANDLE CLICK
FUNCTION

25. Specialized Event triggered Lasts a short time
Instant scale Pay per use Fully managed

27. Less to
manage
Scaling is
automatic
Cost model

28. Paas
• You decide when to scale
• and how
• CPU > 85% - instance++
Faas
• Scaling is managed for you
• When needed

29. Never pay for
idle
Pay per use

30. • 9 million cost
• +1 years dev
• Crashed on first day

31. In 2 days Total cost
< 500$
It scaled
2 students recreated it…

32. invocations Memory exec time
X ( X
€ 0.169
Per million executions
)
€ 0.000014
per
GB-s
3 million x 512mb x 1 s exec time = 14,85 €
3 million x 128mb x 1 s exec time = 0,37 €

33. 1s
Execution time
100%
Cost

34. 1s
Execution time
100%
Cost
200ms 20%
Reduce
By
80%
Optimization and writing good code suddenly becomes a driving business case

36. Phone
generate thumbnails
Save images On new image
Storage account

37. Every week
Fetch orders for this week
exec Mail sales

38. search
order
Auth
Search
Books
API gateway
GET: /api/book
POST: /api/book/order
Storage
search
db
Order
Book
Send
mail
order
db
Get
details
book
db

50. Please demo gods, let the demo work

51. • Create a new function app

58. • Open live metrics app insights

61. Productivity Rapid time to market Scale instantly pay-per-use

62. BUT

63. It does not solve
ALL
Your problems

64. dotnet
Cloud
Azure
architect
Competence
lead
gertjan.vanthienen@ordina.be
Come and talk to me

65. Have a potato…