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@tombooth
Centralising the right
things
Tom Booth
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@tombooth
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@tombooth
tl;dr
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@tombooth
Build a central team to
empower and support
others
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@tombooth
Centralised
Decentralised
Re-centralised
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@tombooth
Centralised
Decentralised
Re-centralised
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@tombooth
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@tombooth
We weren’t one business,
we were compe>ng func>ons
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@tombooth
Protec>onism built through
compe>>on
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@tombooth
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@tombooth
Every 3 weeks, …
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@tombooth
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@tombooth
Every 3 weeks, we had a
wild ride of forgoHen
changes
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@tombooth
Opera>ons would get the
blame for developer problems
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@tombooth
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@tombooth
Why did their change break
my code?
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@tombooth
Centrally provided tools
were very poor
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@tombooth
GeLng features to our
users was slow
When we were centralised,
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@tombooth
Change was complex
because of poor design
When we were centralised,
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@tombooth
Func>onal ownership
caused serious fric>on
When we were centralised,
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@tombooth
Centralised
Decentralised
Re-centralised
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@tombooth
One team needs to own the
whole service
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@tombooth
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@tombooth
You have to embrace
change
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@tombooth
Deploying con>nuously is
beHer for users
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@tombooth
A team should own its own
architecture and infrastructure
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@tombooth
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@tombooth
Every team with their own
direc>on, liHle shared
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@tombooth
Solving the same problems,
in the same way with
different implementa>ons
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@tombooth
Opera>ng at larger scale
requires deeper knowledge
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@tombooth
GeLng features to our
users was slow
When we were centralised,
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@tombooth
Change is complex because
of poor architecture
When we were centralised,
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@tombooth
Func>onal ownership
caused serious fric>on
When we were centralised,
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@tombooth
The same problems were
being solved repeatedly
When we were decentralised,
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@tombooth
No-one has the complete
picture
When we were decentralised,
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@tombooth
We weren’t focusing on our
users as much as we should
When we were decentralised,
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@tombooth
Centralised
Decentralised
Re-centralised
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@tombooth
Retain ownership in the
service teams
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@tombooth
Iden>fy common paHerns
in our infrastructure
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@tombooth
Support common paHerns
with great tooling
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@tombooth
Always ask, how can we
help each other?
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@tombooth
Give teams room to
experiment, do what’s best
for them
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@tombooth
Outside impressions maHer
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@tombooth
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@tombooth
Help our owners, investors
and auditors understand
our services
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@tombooth
Work together
not apart
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@tombooth
Work together on
architecture
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@tombooth
Work together on
issues
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@tombooth
Work together on
bugs in produc>on at 3am
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@tombooth
GeLng features to our
users was slow
When we were centralised,
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@tombooth
Change is complex because
of poor architecture
When we were centralised,
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@tombooth
Func>onal ownership
caused serious fric>on
When we were centralised,
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@tombooth
The same problems were
being solved repeatedly
When we were decentralised,
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@tombooth
No-one has the complete
picture
When we were decentralised,
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@tombooth
We weren’t focusing on our
users as much as we should
When we were decentralised,
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@tombooth
Build a central team to
empower and support
others