FinDev as a business advantage in the post covid19 economy

FinDev as a business advantage in the
post-COVID19 economy

@theburningmonk theburningmonk.com

Why are you
still here?

In 2019, the tourism industry in the UK generated 9% of its GDP
and employed 2.6 million jobs

consumers have less
disposible income
B2C businesses have
less revenue

consumers have less
disposible income
B2C businesses have
less revenue
B2B businesses have
less revenue

consumers have less
disposible income
B2C businesses have
less revenue
B2B businesses have
less revenue
job losses/furloughed

FinDev as a business advantage in the post covid19 economy

Businesses have to become more efﬁcient or die

“get more done with less”

“Serverless”

Gojko Adzic
It is serverless the same
way WiFi is wireless.
http://bit.ly/2yQgwwb

Serverless means…
don’t pay for it if no-one uses it
don’t need to worry about scaling
don’t need to provision and manage servers

in other words, it’s a lot like taking a cab

Ownership
Fuel
Navigate
To get there!
Focus on
getting there!

API Gateway IOT Core SNS SQS S3

HW Ownership
OS
Runtime & Scale
Code
Focus on
business logic!
Physical
Servers
Virtual
Machines
Containers Serverless

auto-scaled by
demand

twitter.com/ben11kehoe/status/1187027628152115200

www.youtube.com/watch?v=C0pA5eZkmFk

aws.amazon.com/solutions/case-studies/bustle

scales to zero

scales to zero
don’t pay for idle

aws.amazon.com/solutions/case-studies/finra-data-validation

Shared Responsibility Model

www.buzzsprout.com/877747/3133243

us-east-1a
us-east-1b
us-east-1c
multi-AZ by default

idea production
choose language
+ framework
master language
+ framework
figure out
deployment
configure AMI
configure ELB
configure
autoscaling
capacity planning
over-provision for
launch
are we doing
microservices?
configure CI/CD

idea production
greater Velocity from idea to product

youtube.com/watch?v=evsz__BDprs
It used to take me
longer to conﬁgure
infrastructure for my
application!

AppSync
DynamoDB

Lambda

Scalable
Robust
Performant
Cost efﬁcient
Agility

AWS user for 10 years
Yan Cui
http://theburningmonk.com
@theburningmonk

Developer Advocate @
Yan Cui
@theburningmonk

Yan Cui
@theburningmonk
Independent Consultant
advisetraining delivery

Simon Wardley
https://blog.gardeviance.org/2016/11/why-fuss-about-serverless.html

Simon Wardley
the new business models around worth based development
and the collision of ﬁnance and development will literally
knock your socks off. Which is why the moniker "FinDev".
Beyond the initial investment in coding, I can create an
almost variable cost business model…

Simon Wardley
and redirect investment to maximise returns
in ways that most of you have never experienced.

How do you survive the post-COVID19 economy as a business?

“be more agile”

pages.awscloud.com/Gated_IDC_Generating_Value_Through_IT_Agility.html

“be more competitive”

$5/hr
? TPS
serves multiple
customers

$5/hr
? TPS
how do you attribute the
cost for each customer?
serves multiple
customers

£
time
your premium
what you charge
your customer
what the customer
has cost you

Factor ﬁxed-cost components into your margin

Enterprises want predictable pricing

“what’s the ROI for a feature X?”

how much time does it take to build?
how many engineer does it take to build?

how much does it cost to run it?

$5/hr
$5/hr
1 TPS
1000 TPS
$0.00138888888 per transaction
$0.00000138888 per transaction
actual cost per transaction
depends on usage, which
is outside your control

TPS
Cost/Transaction
add server add server add server
add server

$5/hr
? TPS
runs multiple
services/features
how do you attribute the
cost for each feature?

understanding the operational cost for individual
features are very difﬁcult

unless you know exactly how much each
transaction would cost you

API Gateway Lambda DynamoDB
$0.0000035 $0.0000004083 $0.00000125
cost per transaction: $0.0000051583

Donald Knuth
We should forget about small efﬁciencies, say
about 97% of the time: premature optimization
is the root of all evil.

Yet we should not pass up our opportunities in
that critical 3%.
Donald Knuth

input output
engineering time
lower operational cost to
run the feature

input output
engineering time
lower operational cost to
run the feature
this is pretty $$$

cost of the conversation:
~$50 per dev per hour x 8 = $400
potential saving:
$10/month

cost of the conversation:
~$50 per dev per hour x 8 = $400
potential saving:
$10/month
break-even time for conversation:
$400 ÷ $10/month = 40 months!!!

Donald Knuth
Yet we should not pass up our opportunities in
that critical 3%.

optimization is as much an engineering decision
as it is a ﬁnancial decision

choose wisely.

https://theburningmonk.com/hire-me
AdviseTraining Delivery
“Fundamentally, Yan has improved our team by increasing our
ability to derive value from AWS and Lambda in particular.”
Nick Blair
Tech Lead

@theburningmonk
theburningmonk.com
github.com/theburningmonk

FinDev as a business advantage in the post covid19 economy

FinDev as a business advantage in the post covid19 economy

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