{ Mahesh Paolini-Subramanya (@dieswaytoofast) V.P. Ubiquiti - - PowerPoint PPT Presentation

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{ Mahesh Paolini-Subramanya (@dieswaytoofast) V.P. Ubiquiti - - PowerPoint PPT Presentation

Feb 04, 2023 193 likes •960 views

Service Starts Suck { Mahesh Paolini-Subramanya (@dieswaytoofast) V.P. Ubiquiti Networks The Business Beware the Black Swan Phone services for SMBs The Business Phone services for SMBs Hosted Phone services for SMBs The Business

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Service Starts Suck

Mahesh Paolini-Subramanya (@dieswaytoofast) V.P. Ubiquiti Networks

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The Business Beware the Black Swan

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 Phone services for SMBs

The Business

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 Phone services for SMBs  Hosted Phone services for SMBs

The Business

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 Phone services for SMBs  Hosted Phone services for SMBs  Hosted Cloud Communications service for SMBs

The Business

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 Phone services for SMBs  Hosted Phone services for SMBs  Hosted Cloud Communications service for SMBs

The Business

H U H W H A T ?

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The Metrics

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 Phone Calls per Second

The Metrics

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 Phone Calls per Second

The Metrics

x 1000

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 Simultaneous Phone Calls

The Metrics

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 Simultaneous Phone Calls

The Metrics

x 10,000

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 HTTP API requests

The Metrics

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 HTTP API requests

The Metrics

x ∞

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 Big pipes

The Infrastructure

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 Big pipes  Polyglot (Erlang, Java, Ruby, Perl,…)

The Infrastructure

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 Big pipes  Polyglot (Erlang, Java, Ruby, Perl,…)  Loosely Coupled Systems

The Infrastructure

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 Big pipes  Polyglot (Erlang, Java, Ruby, Perl,…)  Loosely Coupled Systems  Multi-site / Multi-cluster

The Infrastructure

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My Vacation

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(Actually, the day before)

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A small failure…

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The Horror! The Horror!

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 Big pipes  Polyglot (Erlang, Java, Ruby, Perl,…)  Loosely Coupled Systems  Multi-site / Multi-cluster

The Infrastructure

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 Big pipes  Polyglot (Erlang, Java, Ruby, Perl,…)  Loosely Coupled Systems  Multi-site / Multi-cluster

The Infrastructure

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Why are my calls failing?

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You better call me back!

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I’m still p***ed off!

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And you’re stupid Apps don’t work!

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The Horror! The Horror!

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Surely you Tested?

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1000 year floods

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Romney 2012

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(Lack of) Speed Kills

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Queues

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Queues

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Queues

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Queues

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Queues

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 Can you recover quickly?  Buffer-bloat doesn’t matter, right?  Once up, can you deal with the backlog?  Back-pressure isn’t an issue, right?

Queues

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 Can you recover quickly?  Buffer-bloat doesn’t matter, right?  Once up, can you deal with the backlog?  Back-pressure isn’t an issue, right?

Queues

N O P E

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Programmable

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Behavioral

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Self Managed

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Self Managed

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Queues Queue Mgmt.

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Queues Active Queue Mgmt.

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Something’s gotta give

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Tail Drop

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God

(category – TCP/IP)

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RED

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RED

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Newark Airport

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FRED

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RED-PD

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WRED

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RED – Many many more

 SRED  RRED  ARED (and Blue!)  CHOKe

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Special Mention

 CoDel

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What about Testing?

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What about Testing?

D

  • U

H …

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 Black swans will occur. Oh Yes

Bottom Line

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 Black swans will occur. Oh Yes  You can only improve what you control

Bottom Line

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 Black swans will occur. Oh Yes  You can only improve what you control  Your business will define your discards

Bottom Line

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 Black swans will occur. Oh Yes  You can only improve what you control  Your business will define your discards  Agility is (always) your friend

Bottom Line

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You, apparently, forgot about me

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The Fix

 Free calling

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The Fix

 Free calling  No VM

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The Fix

 Free calling  No VM  No reporting

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The Fix

 Free calling  No VM  No reporting  Reject (most) APIs

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The Business Beware the Black Swan