SpringOne Platform 2018 Buckets, Funnels, Mobs and Cats or: How We Learned to Love Scaling Apps To The Cloud - Joe Szodfridt, Rohit Kelapure, Shaun Anderson

1. Buckets, Funnels, Mobs and Cats
or: How We Learned to Love Scaling
to the Cloud
By Shaun Anderson, Rohit Kelapure, Joe Szodfridt
@swiftbird68, @rkela, @joeszodfridt

2. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Shaun, Rohit and Joe
2
Adapting & Developing Tools
+ +
Pivotal App Transformation
Transforming where the world runs software
60+
Transformation
Engagements
~1,000 of
Transformation
Recipes
Recognizable
Customers
5+ Years
Dragon by icons producer is licensed under CC 3.0
Transform Existing Business Critical Applications to the Cloud

3. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Tools to Slay the Fire Breathing
Monoliths in your Enterprise (S1P 2017)
3
Working Code
Slices
Patterns
OKRs
Event Storming
Slice Analysis
Boris
Snap/SnapE
Implementation
Patterns
rinse&repeat
~15-20
Pete
μSvc
μSvc
μSvc
μSvc
μSvc
μSvc

4. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Can I see you in my office? Scale up the transformation
to 1 Business Unit
How to scale to 1
Business Unit
How to maintain
speed & agility
“I better go consult with my team
- we can come up with some solutions to this!”
? !
“Oh Snap!”

5. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Difficult to Assess
Value
Too Many
Conversations
Too Subjective Competing Interests
Taking too Long to
Decide Order
Too Many Business
Owners
Turning Into
Meeting Hell

6. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“We need a way to quickly assess business priority for the apps in the BU’s portfolio”
“Align with Strategic
Goals”
“Score Apps by
Business Factors”
“Create Some Kind
of Funnel”

7. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Could Use Will Use
8
brainstorm
group
brainstorm decide
Business Factors
order
define
Here are the Strategic Goals
Improve customer experience,
Improve agility, ...

8. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
➔ Client Experience Value
➔ Active Development
➔ Cost Avoidance
➔ Low Financial Risk to Migrate
➔ Competitive Advantage
➔ Planned Investment ($$ & People)
➔ Value to Other Applications
➔ Opportunity to Reduce Complexity
➔ Compliance Regulated
Low Medium High
Priority Weighting
“What If Priorities Change in the Future?”
“We’re not going to run this funnel just once
are we ? No big planning up front!!”

9. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
10
Client
Experience
(3)
Active Dev
(3)
Cost
Avoidance
(2)
Low $ Risk
(2)
... Score
App A
Correlates
(2)
Strongly Correlates
(3)
Correlates
(2)
Strongly
Correlates (3)
... 33
App B
Strongly Supports
(3)
Correlates
(2)
Strongly
Correlates (3)
Correlates
(2)
... 30
App C
Does Not Correlate
(1)
Strongly Correlates
(3)
Does Not
Correlate (1)
Correlates
(2)
... 26
App D
Does Not Correlate
(1)
Correlates
(2)
Does Not
Correlate (1)
Correlates
(2)
... 26
App E
Correlates
(2)
Correlates
(2)
Strongly
Correlates (3)
Strongly
Correlates (3)
... 18
Assess and Score the Apps Using the Weighted Business Factors

10. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Funnel

11. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Our Apps Are the
Worst !
Will the Tech
Solution Scale ?
This is Hard,
Too Many Apps
SNAP is Taking Too
Much Time
There is No
Strategic Tech View
Is There Diversity in
App Selection ?
SNAP 1To Do Done, “SNAPped”
We Are Lost in the
Forest of Apps

12. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“We need a quick way to calculate technical feasibility score for apps”
“How about we
group apps”
“SNAP a group
instead of
individual apps”
“Is there a way we
can categorize our
app tech stacks”
“Extrapolate the
score for each app”

13. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Moduliths
Stateful
Persistent file
systems
caches
Currently on PCF
Spring Boot
Spring Framework
Microservices
Java EE Microprofile
Fat jar packaged
Reactive
Stateless
Self-contained
Java EE Web Profile
war packaged
Java EE Full Profile / J2EE
ear packaged
app server dependencies
Multi non-HTTP comm.
protocol Ingest
Canonical Data Model
Thick Java
Clients
Custom
Packaging
Transactional
Strong consistent
ESB/BPM
Monolith
System of Systems
OS Native
Mainframe extensions
Small Large
How far can we push ?
Amount of rewrite ?
Microliths
Simple Batch
Request-Response
Messaging
Medium XL

14. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Currently on PCF
.NET Core
Web API
ASP.NET
MVC
ASP.NET
Webforms .NET Console
App
.NET Windows
Service
Windows
Presentation
Foundation
Windows
Workflow
Foundation
Windows forms
Windows
Communication
Foundation
IncompatibleSmall amount of rewrite Large amount of rewrite
How far can we push?

15. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Identify “Buckets” of applications with similar characteristics
New Bucket
X
...
New buckets identified as required
SNAP the buckets
Technical Feasibility
Fax Service
N12
Soap-Soap
MMA
Comp
Service
Complex Data
Service
Legacy
Monolithic
System
Low High

16. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Tech Feasibility Score

17. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
Business Value
lowhigh
Tech.Feasibility
Migrate
Invest
Eliminate
Tolerat
e
low high
Funnel

18. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“I have a feel for the feasibility of application... ”
“Now what?”
“There is a budget!”
“Time is not
infinite!”
“How do I
prioritize?”
$

19. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Application Flavors
runs runs well optimized
rehost replatform refactor rebuild
Tactical Strategic

20. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Value
lowhigh
Tech.Feasibility
low high
Invest
Matrix

21. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Value
lowhigh
Tech.Feasibility
low high
Business
Value
lowhigh
Tech.
Feasibility
low high
Matrix
Prioritization

22. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Matrix
Prioritization
1
2
34
Business Value
lowhighTech.Feasibility
low high
$$$
$$$$
runs runs well optimized
rehost replatform refactor rebuild
1 324

23. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Matrix
Prioritization
Business Value
low
high
Tech.Feasibility
low high
Phase 1
Phase 2

24. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
Business Value
lowhigh
Tech.Feasibility
Migrate
Invest
Eliminate
Tolerate
low high
Funnel
1
2
34
runs runs well optimized
rehost
Business
Value
lowhigh
Tech.
Feasibility
low high
$$$
replatform refactor rebuild
1 32
Matrix
Prioritization
4
$$$$
$$

25. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business
lowhighTechnical
low high
4
1
2
3
$$$
$$
$
$
Blindly Following
Funnel Seems Wrong
New Factors Keep
Surfacing
People Questioning
Sequence of Apps
Business Owners
Won’t Commit People
Losing Faith in the
Funnel Calculations
?

26. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“We need a way to account for factors that aren’t technical or business related”
“Let’s add another
dimension to the
funnel”
“Seems
complicated, need a
simpler solution”
“Let’s use stickies
and think about it”

27. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Product team too busy
Business
Technical
4
1
2
3
1 3 2 4
Builds confidence
X
Not a “friendly” business owner
X
Team geography
Generates
representative
recipes/patterns

28. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business
Technical
4
1
2
3
Tuned & Prioritized
Backlog for a wave of apps
“Reverse AI Maneuver”
(a.k.a. Think)
+ Develops confidence w/business
- Team not “friendly”
+ Solves lots of use cases
+/- Geographic distribution
+ Generates representative recipes/patterns
Sample Human Factors
Think

29. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
runs runs well optimized
rehost replatform refactor rebuild
1 32
Business
Technial
M
I
E
T
Funnel
Matrix
Prioritization
4
Business
lowhighTechnical
low high
4
1
2
3
$$$
$$
$
$
Reverse AI
Maneuver
(a.k.a “Think”)
1 2
3 4
X
X
X

30. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“Now what?”
“We can’t do this
sequentially”
“Dev teams span
BUs”
“How do I ramp up
teams?”
Great job! Let’s do this for three
more BUs.

31. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
BU Funnel
PROGRAM DECISION
Mob Programming
Pathfinders
Core Team
Dev Teams
Scaling

32. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Pathfinders
Dev Teams
PROGRAM DECISION
BU Funnel
PROGRAM DECISION
Mob
Programming
Pathfinders
Core Team
Dev
Teams
Scaling

33. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
runs runs well optimized
rehost replatform refactor rebuild
1 32
Business
Tech
M
I
E
T
Funnel
Matrix
Prioritization
Reverse AI
aka “Think”
PROGRAM DECISION
Scaling
Business
lowhighTechnical
low high
4
1
2
3
$$$
$$
$
$
1 2
3 4
X
X
X
4

34. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Are the applications actually
landing on the platform ?
Are we succeeding
with transformation ?
Are BUs maintaining
consistency & quality? Are developers
more productive ?
How do I measure
transformation ?

35. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“We need to measure meaningful date. If we can’t measure it, we can’t improve it.”
“Let’s measure reduction in
onboarding time”
“Use startup metrics to
measure engagement &
retention”
“Let’s create some transformation
journey markers”

36. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
AppTx Journey Markers
Number of apps in
production
Lead Time 4 Changes
CI/CD Time & Cost
Onboarding Time
Deployment Frequency
Cloud Native
Developer Training
Number of cookbook
patterns including
decisioning framework
Developer
Engagement
(DAU/MAU)
Dedicated core
consulting team
Function

37. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Doesn’t
Exist
Initial Repeatable Capable Efficient
Number of apps in production
Onboarding time / deployment freq.
Lead time for changes
Dedicated core consulting team
Developer Engagement (DAU/MAU)
Cookbooks/Recipes/Patterns
Cloud native developer training

38. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
runs runs well optimized
rehost replatform refactor rebuild
1 32
Business
Tech
M
I
E
T
PROGRAM DECISION
Funnel
Matrix
Prioritization
Reverse AI
aka “Think”
Scaling
Business
lowhighTechnical
low high
4
1
2
3
$$$
$$
$
$
1 2
3 4
X
X
X
Journey
Markers
4

39. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Deploying Every
Quarter
Time to Restore Service
is Not Acceptable
Lead Time for
Change is 4 Months
High Change Failure
Rate
We Have
Implemented ITIL on
PCF
X

40. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
“Lets surface the pain and expose the top constraints”
“How about we perform a value
stream mapping exercise”
“Eliminate the top
process blockers for a
reduced WIP”
“Create cross
functional teams to
prototype a new
release process”
“Pipeline aka automate
everything”

41. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Path to Production
Dev Prep and Config QA Prep and Testing
Beta
Testing
Prod Deploy
Findings
● Manual scripting and space
creation
● Need a strategy for QA. This
could be a cultural change
● There’s a need for a template
CI/CD pipeline
Cycle time: 19 - 63 days
Tracer Bullet

42. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
$$
“Pete, you and I are doing a
talk on the main stage at
S1P 2019”

43. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Business Factors
Tech Feasibility
Funnel
PROGRAM DECISION
Scaling
Reverse AI
aka “Think”
1 2
3 4
X
X
X
Journey
Markers
runs runs well optimized
rehost replatform refactor rebuild
1 32
Business
Tech
M
I
E
T
Matrix
Prioritization
Business
lowhighTechnical
low high
4
1
2
3
$$$
$$
$
$
4
VSM

44. Learn More. Stay Connected.
52
#springone@s1p
sanderson@pivotal.io rkelapure@pivotal.io jszodfridt@pivotal.io