Scrum Bangalore 16th Meetup - March 5, 2016 - Replicating Architectural Scaling Patterns in Growing Agile Teams - Abdul Salam - at Prowareness

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Technology

Replicating Architectural
Scaling Patterns in
Growing Agile Teams
-Abdul Salam @ aconex
1

But no adequate support for agile practices

Our mission
Build a compelling business case to support
agile practices

Architecture has solved scaling problems

Agile & Architecture share striking similarities

13
What is Scaling?
More Users More Feature Requests
Architecture Teams

Distribution,
Redundancy,
Loose Coupling,
High Cohesion,
Fault Tolerance,
Autonomy
14
Systems that scale share
some common principles

16
Distribution
More networked devices,IoT,
More Data, More network
traffic, more data analysis.
Colocated system cannot
handle it. Array of small
processors are cheaper.
Fast paced business, more
business features, cannot find
enough developers in one
location. More leverage of
timezone differences. Cost.
Architecture Teams

17
Redundancy
Faster Response,
Fault Tolerance
More delivery throughput,
Business Continuity
Architecture Teams

18
Redundancy Continued…
Data/Process Redundancies:
Web Clusters, Hadoop,
Cassandra
Skill Redundancies: Pairing, Pair rotation
Process Redundancies:
Feedback: Pairing, Local Builds,CI Builds
Feedback: Pairing, Standup, Retro
Architecture Teams

19
Problems of Distribution
Data Consistency across
networked nodes
Alignment On Culture and Practices
Architecture Teams

20
Consistency on Contracts
Java,
Maven,
Jenkins
Ruby,
Rake,
Go CI
Java,
Cradle,
Team City
REST/HTTP
Scrum,
Skype
KANBAN
,
IRC
ScrumBA
N
Hangout
Scrum
Slack
Autonomy in implementation
Consistency on Principles
Autonomy in operation
Architecture Teams

21
High Cohesion
Order Payments
Customer
Order Payment
s
Customer
Loose Coupling
Architecture Teams
OrderOrder
OrderOrder

22
Fault Tolerance
Graceful Degradation of
Services, Circuit Breakers
Leaner cut of Priority Features,
Empower for Local Decision making
Architecture Teams
Session Serialisation Minimise people dependency

Strong Product Management
25
Usabilit
y
Feasibili
ty
Viability
UX Tech
Busines
s
Divergence Convergence

27
Viability and Feasibility of Scale
Commodity General Purpose
Hardware
- Substitutability
- Cost Advantage
- On Demand Provisioning
Learning Generalists(Commoditise
knowledge)
- Substitutability
- Cost Advantage
- Dynamic team formation*
Architecture Teams

29
Shift in thinking from
Cost per part Accounting to
Throughput Accounting

31
https://in.linkedin.com/in/abdul-salam-909b5b32
abdul.prof.connections@gmail.com

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Scrum Bangalore 16th Meetup - March 5, 2016 - Replicating Architectural Scaling Patterns in Growing Agile Teams - Abdul Salam - at Prowareness