Cloud-Native Microservices

Cloud Native - Microservices
July 2018
Burr Sutter
https://bit.ly/microjuly2018
@burrsutter - bit.ly/microjuly2018

The average life expectancy of a
Fortune 500 company has declined
from around 75 years half a century
ago to less than 15 years today.
Deloitte Shift Index

By 2020, more than 75% of the
S&P 500 will be companies
that we have not heard of yet.
Professor Richard Foster,
Yale University, in Lean Enterprise

By 2020 every business
will become a digital
predator or digital prey.
Nigel Fenwick,
Forrester Research, 2015

87% of surveyed executives
believe digital technologies
will disrupt their industries …
MIT Sloan Management Review, 2016

… yet only 44% indicated their
organizations were taking appropriate
measures to avert disruption.

Only 11% of organizations across industries
indicated their existing in-house talent has
the competitive skills necessary for success
in the digital economy.

“With great power, there
must also come—
great responsibility.”
—SPIDERMAN (STAN LEE)

It is about the Journey
Self-Service,
On-Demand,
Elastic,
Infrastructure
as
Code
(Cloud)
Re-Org to
DevOps
Automation
Puppet, Chef,
Ansible
and/or
Kubernetes
CI & CD
Deployment
Pipeline
Advanced
Deployment
Techniques
Silicon
Valley
DotCom
Startup
Microservices

@burrsutter
You Must Be This Tall
1. Self-Service, on-demand, elastic infrastructure as code
(how many days/weeks to provision a new VM?)
2. Dev vs Ops
(who is on the pager for production app outage?)
3. Automation
(phoenix vs snowflake?)
4. CI & CD
5. Deployment Pipeline
http://martinfowler.com/bliki/MicroservicePrerequisites.html

DevOps Cast of Characters

More DevOps Cast of Characters

1. How many days or weeks do you have to
wait for a VM?
2. How many tickets need to be filed?
3. How many managers need to approve it?
4. What if a house builder had to wait
days/weeks for a hammer or some nails?
5. What signal does this send to the people
who need the resources?
Why do expensive resources
like developers wait so long for
inexpensive resources like VMs?

You need self-service, API-driven (ticketless),
quota managed, infrastructure on-demand

Snowflakes or Phoenix?

Jez Humble on Continuous Integration
▪ Software (trunk) is always deployable
▪ Everyone is checking into trunk daily (at
least)—not feature branches
▪ If the build breaks, it’s fixed in 10 minutes
(all hands on deck)
▪ A new engineer can be on-boarded in 1
day—with a production-like environment on
the developer workstation
▪ Deployment is a low-risk, push-button affair

Go Fast, Fail Fast, Fix Fast
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILD
SCM

3 months to 1 week deployments
Fast Monolith - NOT Microservices
https://developers.redhat.com/blog/2016/10/27/the-fast-moving-monolith-how-we-sped-up-delivery-from-every-three-months-to-every-week/

Do you need to deploy more than once
a week?
Why do you wish to break up your team
of 8 developers, so they can each have
their own microservice?

1. Deployment Independence - updates to an individual
microservice have no negative impact to any other component of
the system. Optimized for Replacement
2. Organized around business capabilities
3. Products not Projects
4. API Focused
5. Smart endpoints and dumb pipes
6. Decentralized Governance
7. Decentralized Data Management
8. Infrastructure Automation (infrastructure as code)
9. Design for failure
10. Evolutionary Design
Microservice Principles/Characteristics

Continuous
Integration
via XP
1999
AWS EC2
2006
DropWizard
May 2011
Agile
Manifesto
Feb
2001
NETFLIX
to AWS
2010
Ribbon
March 2012
Hystrix
March 2012
Eureka
July 2012
Microservices
Assess
Thoughtworks
Radar
March 2012
Spring Boot
Sept 2013
Microservices
Defined
Thoughtworks
Fowler, Lewis
March 2014
Kubernetes
June 2014
Java EE6
2009
DevOps
2009
Docker
March
2013
Short History of Microservices

Patterns

Browser

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API Gateway

Chaining

Mixed

bit.ly/msa-instructions
2.0

https://www.thoughtworks.com/insights/blog/microservices-adopt
Microservices in Adopt?
Adopt

Peak of
Inflated Expectations
Microservicesx
Trough of
Disillusionment
Hype Cycle

“Don’t be too proud of this
technological terror you’ve
constructed.”
—DARTH VADER

OS
JVM
Service C
Microservices == Distributed Computing
OS
JVM
Service B
OS
JVM
Service A

Fallacies of Distributed Computing
• The Network is Reliable
• Latency is zero
• Bandwidth is infinite
• Topology does not change
• There is one administrator
• Transport cost is zero
• The network is homogeneous
https://en.wikipedia.org/wiki/Fallacies_of_distributed_computing

MyService
Monitoring
Tracing
API
Discovery
Invocation
Resilience
Pipeline
Authentication
Logging Elasticity
Microservices'ilities

Better Microservices Platform circa 2016
Config Server
NETFLIX Ribbon

Better Node.js/Python/Go Platform
Config Server
NETFLIX Ribbon

Better Microservices Platform circa 2018
Config Server
NETFLIX Ribbon
Jaeger Istio

Polyglot Microservices Platform circa 2018
Config Server
NETFLIX Ribbon
Jaeger Istio

“Our ancestors called it
magic, but you call it
[computer] science.
I come from a land where
they are one and the same.”
—THOR

bit.ly/istio-tutorial

bit.ly/istio-book
bit.ly/istio-tutorial
learn.openshift.com/servicemesh

Demo: bit.ly/msa-instructions
Slides: bit.ly/microservicesdeepdive
Video Training: bit.ly/microservicesvideo
Free eBooks from developers.redhat.com
bit.ly/reactivemicroservicesbookbit.ly/javamicroservicesbook
Microservices Introductory
Materials
Kubernetes for Java Developers

Cloud-Native Microservices

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