1.
Infrastructure
What is it and how do I avoid it forever?

2.
About Me
● DevOps at Equal
Experts since June
2015
● Monitoring/automation/
containers
● Computer Science MSc,
Named Entity
Recognition
● Previously: Solaris 10
SysAdmin
Matt Ralph
mralph@equalexperts.com

3.
System Administrator
UNIX Administrator
Automation Engineer
DevOps engineerOperability consultant
Platform Engineer
Linux SysAdmin
Operations and support

4.
What is infrastructure?
● The hardware we need
to run code and store
data
● … securely
● … reliably
● … performantly

5.
What is a platform?
● The (software) structure we
build on the infrastructure
to…
● … build code reliably
● … gather & store metrics
● … gather & store logs
● … deploy code seamlessly
● … monitor for failure
Infrastructure
Platform
Software

6.
Stage 1: The Datacentre

7.
Stage 1: The Datacentre

8.
Stage 2: Private Cloud

9.
Cloud
Virtualization
Hypervisor
EncapsulationVMWare
Scalability
Physical Server
WUT

10.
Cloud: Computing as Utility

11.
The Virtualization Pizza
1 CPU
2GB
Memory
2 CPU
4GB
Memory
One big physical server
is carved up into multiple
virtual servers of a
particular size

12.
Stage 2: Private Cloud

13.
Stage 2: Private Cloud
Someone else
has expertise in
running a
datacentre
Spider-flicks
can still host
sensitive data
Spider-flicks’
servers kept
separate from
other people’s
… But Spider-
flicks still need
some technical
know-how
Customer has
no idea what is
running where

14.
Stage 3: Public Cloud

15.
Security
Spider-flicks’
servers mixed
up with other
people’s
Branding how
do we make it
clear to the
customer that
they’re dealing
with Spider-
flicks?
Specialism Spider-flicks has
outsourced all its IT
expertise...
Scalability
Spider-flicks can now
scale really easily

16.
What are the
problems with
the Cloud
metaphor?

17.
Contemporary ideas about data are tied up inextricably with
metaphors around data…
… in all our talk about [data] streams and [data] exhaust and
[data] mines and clouds, one thing is striking:
People are nowhere to be found.
These metaphors overwhelmingly draw from the natural world
and the processes we use to draw resources from it; because of
this, they naturalize and depersonalize data and its collection.
'The Cloud' and Other Dangerous Metaphors, The
Atlantic

18.
Is Cloud good for the
world?
A small number of
vendors runs a lot of the
world’s infrastructure

19.
There is no official data on how many servers there are in
Google data centers ...
Gartner estimated in a July 2016 report that Google at the
time had 2.5 million servers.
This number is always changing…
Wikipedia, “Google data centers”

20.
● Lack of transparency into how
Cloud companies run
● Too big to fail?
● Too big/complex to govern?
● Can we track the ecological
impact?
Is Cloud good for the world?

21.
Thank You
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