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Microservices it's deja vu all over again
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Arnon Rotem-Gal-Oz
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December 19, 2016
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Microservices it's deja vu all over again
Microservices principles over the years
Arnon Rotem-Gal-Oz
PRO
December 19, 2016
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Transcript
Microservices it’s déjà vu all over again Arnon Rotem-Gal-Oz
Source : https://www.youtube.com/watch?v=c74tB0nBfh8
2005
Two boats are traveling towards each other…
SOA Service describes End Point Exposes Messages Sends/Receives Contracts Binds
to Service Consumer implements Policy governed by Sends/Receives Adheres to Component Relation Key Understands Serves
Services are autonomous
Services communicate using messages
Keep data and state private
Two boats are traveling towards each other…
Physical Protector Protector Commands (navigate to waypoint, Turn on floodlight
etc) Status (radar data, subsystem statuses etc.)
UI Physical Protector Radars & other sensors Protector Common Operating
Picture Messagebus Sensors Sensor update Sensor update Updated COP Updated COP
UI Physical Protector Radars & other sensors Protector Common Operating
Picture Messagebus Sensors Image : http://blog.vitria.com/topic/common-operating-picture
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Build Interception Course
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Publish Navigation course
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Monitor Route
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Navigate to Route Navigate to Waypoint1..2..3..
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Monitor Route Not the best way
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Navigate to Route Navigate to Waypoint1..2..3.. Navigating Monitor Navigating Should have been
UI Physical Protector Radars & other sensors Protector Common Operating
Picture Messagebus Sensors Sensor update Sensor update Updated COP Updated COP Navigation Alerts Updated COP
UI Physical Protector Protector Common Operating Picture Messagebus Navigation Alerts
Interception problem Interception problem Alert Alert
Benefits & patterns
Reverse Conway’s Law
Inversion of Communication
None
Private data Leads to islands of information
Subscribed/ pulled data Pull data Data backend Endpoint Out Load
Report Ingest Clean Join Transform Transpose Produce reports Report Endpoint Request Raw data ODS/DM SQL endpoint SQL endpoint Landing area Service Aggregated Reporting
2005
Erlang (1988) https://www.erlang-in-anger.com http://learnyousomeerlang.com
So …. What did change in 10+ years?
The devops culture
Technology got better
Containers
"A first sign of the beginning of understanding is the
wish to die.” Franz Kafka
However age old risks are still relevant
Nanoservices
A word on “serverless”
Micro Iceberg Services
The API Gateway ESB Trap
,הֶיְהִיֶּשׁ אוּה ,הָיָהֶּשׁ-הַמ״ ;הֶשָׂעֵיֶּשׁ אוּה ,הָשֲׂעַנֶּּשׁ-הַמוּ ״.שֶׁמָּשַׁה תַחַתּ ,שׁדָָח-לָכּ ןיֵאְו
ט קוספ א קרפ תלהק "What has been will be again, what has been done will be done again; there is nothing new under the sun." Ecclesiastes 1:9