Confusion in the land of the serverless Sam Newman Building - - PowerPoint PPT Presentation

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Confusion in the land of the serverless Sam Newman Building - - PowerPoint PPT Presentation

Nov 18, 2022 9 likes •1.38k views

Confusion in the land of the serverless Sam Newman Building Microservices DESIGNING FINE - GRAINED SYSTEMS Sam Newman #gotoams @samnewman Sam Newman & Associates #gotoams @samnewman #gotoams @samnewman #gotoams @samnewman

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Confusion in the land

  • f the serverless

Sam Newman

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@samnewman

#gotoams

Sam Newman

Building Microservices

DESIGNING FINE-GRAINED SYSTEMS
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@samnewman

#gotoams

Sam Newman & Associates

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@samnewman

#gotoams

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@samnewman

#gotoams https://www.flickr.com/photos/joshuamckenty/2297179486/

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@samnewman

#gotoams

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@samnewman

#gotoams

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https://www.flickr.com/photos/143601516@N03/28346073830/

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@samnewman

#gotoams

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@samnewman

#gotoams

#serverless

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@samnewman

#gotoams

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@samnewman

#gotoams http://readwrite.com/2012/10/15/why-the-future-of-software-and-apps-is-serverless/

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@samnewman

#gotoams http://readwrite.com/2012/10/15/why-the-future-of-software-and-apps-is-serverless/

The phrase “serverless” doesn’t mean servers are no longer

  • involved. It simply means that developers no longer have to

think that much about them. Computing resources get used as services without having to manage around physical capacities

  • r limits.
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@samnewman

#gotoams

lambda launched in 2014

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@samnewman

#gotoams

Platform

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@samnewman

#gotoams

Platform

WOW!

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@samnewman

#gotoams

Platform

Yay, serverless! WOW!

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@samnewman

#gotoams

Platform

Yay, serverless! S

  • a

b s t r a c t WOW!

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@samnewman

#gotoams

Platform

Yay, serverless! S

  • a

b s t r a c t Much PAYG WOW!

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@samnewman

#gotoams

Server Server Server Server Platform

Yay, serverless! S

  • a

b s t r a c t Much PAYG WOW!

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@samnewman

#gotoams

Server Server Server Server Platform

Yay, serverless! S

  • a

b s t r a c t Much PAYG WOW!

Wat?

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@samnewman

#gotoams

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@samnewman

#gotoams

https://martinfowler.com/articles/serverless.html

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@samnewman

#gotoams

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

  • 1. No management of server hosts or

server processes

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

  • 1. No management of server hosts or

server processes

  • 2. Self auto-scale and auto-provision based
  • n load

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

  • 1. No management of server hosts or

server processes

  • 2. Self auto-scale and auto-provision based
  • n load
  • 3. Costs based on precise usage

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

  • 1. No management of server hosts or

server processes

  • 2. Self auto-scale and auto-provision based
  • n load
  • 3. Costs based on precise usage
  • 4. Performance capabilities defined in terms
  • ther than host size/count

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

  • 1. No management of server hosts or

server processes

  • 2. Self auto-scale and auto-provision based
  • n load
  • 3. Costs based on precise usage
  • 4. Performance capabilities defined in terms
  • ther than host size/count
  • 5. Implicit high availability

Mike Roberts’ Definition Of Serverless

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

FAAS

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@samnewman

#gotoams

FAAS

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@samnewman

#gotoams

FAAS BAAS

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

IAAS

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@samnewman

#gotoams

IAAS CAAS

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@samnewman

#gotoams

IAAS CAAS PAAS

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@samnewman

#gotoams

IAAS CAAS FAAS PAAS BAAS

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@samnewman

#gotoams

IAAS CAAS FAAS PAAS BAAS

Serverless?

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@samnewman

#gotoams

IAAS CAAS FAAS PAAS BAAS

Serverless?

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@samnewman

#gotoams

IAAS CAAS FAAS PAAS BAAS

Serverless?

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@samnewman

#gotoams

BASS? BASS?

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@samnewman

#gotoams

*AAS

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@samnewman

#gotoams

https://twitter.com/kelseyhightower/status/856272003963039744

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@samnewman

#gotoams http://readwrite.com/2012/10/15/why-the-future-of-software-and-apps-is-serverless/

The phrase “serverless” doesn’t mean servers are no longer involved. It simply means that developers no longer have to think that much about them.

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@samnewman

#gotoams

https://twitter.com/bibryam/status/1007284710136000513

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@samnewman

#gotoams

Undifferentiated Heavy Lifting

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@samnewman

#gotoams https://www.flickr.com/photos/ibm_media/33838065805/

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@samnewman

“Developers turn caffeine into abstractions”

  • Brian Marick, possibly
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@samnewman

Machine Code

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@samnewman

Machine Code Assembly Code

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@samnewman

Machine Code Assembly Code Application Code

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@samnewman

#gotoams

Resiliency

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

Risk

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@samnewman

#gotoams

Risk Market Data

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@samnewman

#gotoams

Risk Market Data

DB

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@samnewman

#gotoams

https://www.flickr.com/photos/dennissylvesterhurd/4722435652/

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@samnewman

#gotoams

Risk Market Data

DB

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@samnewman

#gotoams

Risk Market Data

DB

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@samnewman

#gotoams

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

DB

Connection Pool

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@samnewman

#gotoams

DB

Connection Pool

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@samnewman

#gotoams

DB

Connection Pool

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@samnewman

#gotoams

DB

Connection Pool

Connection pools throttle load

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@samnewman

#gotoams

DB

Connection Pool

Connection pools throttle load And allow for load shedding

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

DB

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

But what about hybrid apps?

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@samnewman

#gotoams

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@samnewman

#gotoams

https://www.flickr.com/photos/vax-o-matic/2545657717/

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk

Circuit Breaker

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@samnewman

#gotoams

Circuit breakers rely on maintaining per-client state across requests

Risk

Circuit Breaker

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@samnewman

#gotoams

Risk Market Data

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@samnewman

#gotoams

Risk Market Data Throttling & Load shedding middleware?

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@samnewman

#gotoams

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@samnewman

#gotoams

Security

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@samnewman

#gotoams

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@samnewman

#gotoams

Friends don’t let friends run untrusted code in containers

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

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@samnewman

#gotoams

If your function isn’t running, it’s not there…

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@samnewman

#gotoams

If your function isn’t running, it’s not there… …and you’re running in a sandbox anyway…

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@samnewman

#gotoams

If your function isn’t running, it’s not there… …and you’re running in a sandbox anyway… Kinda

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@samnewman

#gotoams

Lock-in?

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@samnewman

#gotoams

https://www.flickr.com/photos/fallsroad/14244241233/

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@samnewman

#gotoams

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@samnewman

#gotoams

Don’t think lock-in, think migration cost

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@samnewman

#gotoams

Cost of migration

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@samnewman

#gotoams

Cost of migration

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@samnewman

#gotoams

Cost of migration Blob storage

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@samnewman

#gotoams

Cost of migration Compute Blob storage

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@samnewman

#gotoams

Cost of migration Compute Blob storage Load balancers

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@samnewman

#gotoams

Cost of migration Compute Blob storage Load balancers FAAS

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@samnewman

#gotoams

Cost of migration Compute Blob storage Load balancers FAAS BAAS

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@samnewman

#gotoams

Pay now or pay later

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@samnewman

#gotoams

Mixing vendors?

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@samnewman

#gotoams

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@samnewman

#gotoams

https://github.com/openfaas/faas

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@samnewman

#gotoams

https://github.com/openfaas/faas-netes

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@samnewman

#gotoams

https://github.com/fission/fission

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@samnewman

#gotoams

http://openwhisk.incubator.apache.org

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@samnewman

#gotoams

https://github.com/open-lambda/open-lambda

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@samnewman

#gotoams

https://www.flickr.com/photos/reavel/2496345250/

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@samnewman

#gotoams

Agile

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@samnewman

#gotoams

DevOps Agile

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@samnewman

#gotoams

Microservices DevOps Agile

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@samnewman

#gotoams

I can’t use that, it’s not #serverless!

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@samnewman

#gotoams

“There is No Future with Fewer Servers”

  • Luke Kanies
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@samnewman

#gotoams

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@samnewman

#gotoams

It’s just abstractions…

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@samnewman

#gotoams

It’s just abstractions… …all the way down

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@samnewman

#gotoams

http://samnewman.io @samnewman Thank You!

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