API Re-platforming @ Expedia Mariano Albera CTO @ Expedia Affiliate - - PowerPoint PPT Presentation

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Jan 05, 2024 548 likes •809 views

API Re-platforming @ Expedia Mariano Albera CTO @ Expedia Affiliate Network @malbera Trusted brands. Shared Platform 600M+ monthly visits in 75+ countries 20k employees worldwide 90B usd yearly travel sales 10k affiliates 500M+ API

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API Re-platforming @ Expedia

Mariano Albera

CTO @ Expedia Affiliate Network @malbera

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Trusted brands. Shared Platform

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monthly visits in 75+ countries

600M+

employees worldwide

20k

yearly travel sales

90B usd

affiliates

10k

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API hotel searches a day

500M+

EAN powered partners

1000

YOY growth

30%+

Awesome engineers in EU&US

200+

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A few of our Partners

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Our re-platforming goals

High Performance & Scale Ease of Integration & fully traceable AWS Native Distributed Development at max Speed

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Our API design

HATEOS linked   transactions Global Standards  

(ISO 8601, 3166, 4217, BCP47)

Version in the URL RESTful + Client tokens

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Our API Architecture

MicroServices ( &   Serverless ) Different levels  

f orchestration

Event driven where   possible Single Responsibility   Principle

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Rapid Performance

2x faster response time 10x Faster deployment cycles 50% overall hosting cost reduction Significant improvement in traceability and support quality

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Lessons Learned

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Want to build great microservices ? Start with a Monolith…

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You don’t need to break everything at once

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Edge - Orchestration is key

Shop Search Book Cancel

Retrieve

API Look and Feel

Validate Authenticate Throttle Transform Route Respond

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Open sourced Styx in 2017
Used extensively across Expedia Inc

including Expedia.com and HomeAway

https://github.com/HotelsDotCom/styx

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Private vs Public contracts

Separate public API

schema from your internal contracts

Use your orchestrator to

avoid versioning every internal change

Keep the public API

immutable, evolve the internal services independently

Public facing schema Internal services & contracts

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Know your tradeoffs

Service Discovery

Make Eureka fault tolerant

VPC / Network Segmentation

Dedicated cloud infrastructure team

Network Constraints & Usage

Design for an imperfect network

Scaling Groups

The story of the DockerLith

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You can’t deliver fast if you build slow

If you are not

automating everything you are wasting time

“Just add code”
We deploy 300 features

a week ( 150% YOY )

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AWS native @ Expedia

AWS ECS AWS REDSHIFT REDIS

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Vegas Rules
Service connections

fallback from Edge

Data consolidation

Splitting your Traffic

Watch your network

costs

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Open sourced Circus Train in

2016

Used extensively across

Expedia Inc

https://github.com/HotelsDotCom/

circus-train

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Thank You

Mariano Albera

CTO @ Expedia Affiliate Network @malbera