mobile apps & apis: best friends forever · 2008 2016 microservices 2010 2012 continuous...
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Mobile Apps & APIs: Best Friends Forever
Stewart Gleadow @stewgleadow stew@bilue.com.au stewgleadow.com/talks
2008 201620122010
2008 201620122010
greenfields
2008 201620122010
greenfieldsmaintenance/evolution
2008 2016
microservices
20122010
continuous delivery
greenfieldsmaintenance/evolution
TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
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TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
›
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BIG LEGACY THING
BIG LEGACY THING
BIG LEGACY THING
API
microservices
serverless
serverlesseg. AWS
• S3 • SQS • Lambda
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product
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product
recommendations
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product
favourites
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accountpostal
recommendations
http://en.wikipedia.org/wiki/IPhone_5S
Mobile apps: slow to develop, update and maintain
http://en.wikipedia.org/wiki/IPhone_5S
Mobile apps: slow to develop, update and maintain
Missing features in the API
Rolling out updates takes a long time
Dealing with backwards compatibility
Many requests for simple actions
TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
›
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Shield your apps from rapidly evolving backends
BACK
END F
OR FR
ONTE
ND
Shield your apps from rapidly evolving backends
BACK
END F
OR FR
ONTE
NDServers and
serverless
CONF
IGURA
TION A
PI
CONF
IGURA
TION A
PI
Static TV Guide
Static TV Content
.NET
node.js
clojure
Backend for frontend characteristics
Stateless, no database
Tuned for larger, cacheable responses
Failure tolerant and scaleable
Aggregate functionality, driven by the experience
http://en.wikipedia.org/wiki/Lego
Chunky vs chatty APIs
Fewer requests with larger responses
Keep responses cacheable
Monitor parsing performance on older devices
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Two requests:
1. All product information 2. Personalised Data
BFFget product
BFF
get core product detailsget product
BFF
get core product details
get other details in parallel
get product
BFF
get core product details
get other details in parallel
return alltransform data
get product
The backend for front end
Fewer requests, simpler interactions
Force logic to the backend
Deal with backwards compatibility
http://www.flickr.com/photos/setaou/2935943672/
TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
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How many BFFs should I have?
How many BFFs should I have?
Treat technology platforms as a product?
Treat separate audiences and feature sets as a product?
BFF
BFF
BFF
BFF
CREA
TORS
LISTE
NERS
platform/core teams
BFF
experience teams
http://www.flickr.com/photos/peternijenhuis/6959653638/
BFF organisational pattern
Split around your concept of a product
People problems trump technology
Product teams own their experience API
TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
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BFF
?
BFF
? caching
BFF
? caching
single-point of failure
BFF
? caching
single-point of failure
duplication
BFF
? caching
single-point of failure
duplication
http://www.flickr.com/photos/jakecaptive/3205277810
Does this change how you build the apps themselves?
Cross-platform mobile tools become less appealing
Get’s you closer to continuous delivery
API
Getting started
BFF
API
Getting started
BFF
API
Migration strategy
BFF
API
Other solutions
BFF
API
GraphQL
Other solutions
BFF
API
GraphQL
Apigee Mulesoft API Gateway
Other solutions
TRENDS FOR BACKENDS
BACKEND FOR FRONTEND PATTERN
PRODUCT TEAM STRUCTURES
CHALLENGES & GETTING STARTED
›
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Mobile Apps & APIs: Best Friends Forever
Stewart Gleadow @stewgleadow stew@bilue.com.au stewgleadow.com/talks
Questions?
Mobile Apps & APIs: Best Friends Forever
Stewart Gleadow @stewgleadow stew@bilue.com.au stewgleadow.com/talks
REFERENCES• Sam Newman, Pattern: Backends For Frontends: http://samnewman.io/patterns/architectural/bff/
• Stewart Gleadow, Legacy To Mobile First, https://speakerdeck.com/sgleadow/legacy-to-mobile-first
• Software Engineering Daily interview with Lukasz Plotnicki, Moving To Microservices At SoundCloud: http://softwareengineeringdaily.com/2016/02/04/moving-to-microservices-at-soundcloud-with-lukasz-plotnicki/
• Stewart Gleadow, Cameron Barrie, James Brett, Evolving Mobile Architectures @ Mi9: http://www.slideshare.net/sgleadow/evolving-mobilearchitectures
• Lucasz Plotnicki, BFF @ SoundCloud: https://www.thoughtworks.com/insights/blog/bff-soundcloud
• Jan Stenberg, A Pattern For API Backends Serving Frontends: http://www.infoq.com/news/2015/12/bff-backend-frontend-pattern
• Stewart Gleadow, The Next Killer App Is Not An App: https://www.thoughtworks.com/p2magazine/issue02/mobile/
• Martin Fowler, Microservices: http://martinfowler.com/articles/microservices.html
• Sam Newman, Demistifying Conways Law: http://www.thoughtworks.com/insights/blog/demystifying-conways-law
• Michael Feathers, Microservices Until Macro Complexity: https://michaelfeathers.silvrback.com/microservices-until-macro-complexity
• Anthony Green, What Is A Microservice And Why Does It Matter: http://www.brunton-spall.co.uk/post/2014/05/21/what-is-a-microservice-and-why-does-it-matter
• Richard Clayton, Failing At Microservices: https://rclayton.silvrback.com/failing-at-microservices
• Fred George, Microservices Architecture: http://yow.eventer.com/yow-2012-1012/micro-services-architecture-by-fred-george-1286
• Todd Hoff, Microservices Not A Free Lunch: http://highscalability.com/blog/2014/4/8/microservices-not-a-free-lunch.html
• Martin Fowler, Strangler Application: http://martinfowler.com/bliki/StranglerApplication.html
• Stewart Gleadow, No App Is An Island: https://speakerdeck.com/sgleadow/no-app-is-an-island
• Sam Newman, Practical Microservices: http://www.slideshare.net/spnewman/practical-microservices-yow-2013
• Jason Goetz, REST API Design: Chunky APIs, Chatty APIs: http://www.jamasoftware.com/blog/rest-api-design/
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