The document presents insights into the evolving architecture trends in application development, highlighting the shift from traditional models to API-driven architectures. It discusses the critical role of APIs, third-party applications, and new environments such as PaaS in modern application frameworks. The presenters emphasize the increasing interconnectedness of devices and the necessity for flexible and reusable solutions in software architecture.

1. Next Architecture Wave is…!
Client !
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
JSON / XML! JSON / XML! JSON / XML!
Middle Tier
! Server !
API
! API
! API
!
API
!
API
!
SaaS, Web Services, Social Data!
database!
API
!
Media APIs! API
! Data Tier
!
API
! API
!
API
! API
!
API
!
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All contents Copyright © 2012, MuleSoft Inc.

2. Application Architecture:
The Next Wave
Presenters:
Ross Mason, Founder and CTO - @rossmason
Aaron Landgraf, Product Marketing Manager
!
MuleSoft, @mulesoft, @cloudhub

3. Presenters!
Ross Mason, Founder and CTO, MuleSoft!
! Founded open source Mule project in 2003!
! Former CEO of SymphonySoft!
! Extensive experience in integration!
All contents Copyright © 2012, MuleSoft Inc. 3

4. Agenda!
! Architecture trends: past and present!
! The give and take of APIs!
! Redefining the traditional application stack!
! New architectures in practice!
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5. Software Architecture Timeline!
Batch!
Client / Server
!
3-tier
!
1960! 1970! 1980! 1990! 2000! 2010!
OLTP! n-tier
!
Service Oriented!
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6. Mega-change !
Cloud /
Open *aaS!
APIs!
Devices!
With every major shift in IT comes a new architecture!
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7. History doesn’t repeat, it rhymes!
“I did this like 10 years ago at
WidgetCorp!”!
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8. Change shifts our perceptual thinking!
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9. The traditional 3-tier architecture!
Client!
HTML !
Presentation Tier
!
App Server!
Middle Tier
!
Database!
database! Data Tier
!
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10. …is being decomposed!
Client !
Presentation Tier
! Presentation Tier
!
JSON / XML! JSON / XML!
Middle Tier
! Server !
Data!
database! Data Tier
!
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11. …is being decomposed!
Client !
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
JSON / XML! JSON / XML! JSON / XML!
Middle Tier
! Server !
Data!
database! Data Tier
!
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12. …is being decomposed!
Client !
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
JSON / XML! JSON / XML! JSON / XML!
Middle Tier
! Server !
API
! API
! API
!
API
!
API
!
SaaS, Web Services, Social Data!
database!
API
!
Media APIs! API
! Data Tier
!
API
! API
!
API
! API
!
API
!
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All contents Copyright © 2012, MuleSoft Inc.

13. Middle tier needs to change!
!
!
!
!
Client !
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
JSON / XML! JSON / XML! JSON / XML!
Middle Tier
! Server !
!
!
!
! API
! API
! API
!
API
!
API
!
SaaS, Web Services, Social Data!
database!
API
!
Media APIs! API
! Data Tier
!
API
! API
!
API
! API
!
API
!
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All contents Copyright © 2012, MuleSoft Inc.

14. Platform Shift!
Traditional Application Environments!
Application!
Web/App Server
!
Database!
Operating System!
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15. Platform Shift!
New Application Environments!
Application! Application!
Web/App Server
! PaaS!
Database!
IaaS!
Operating System!
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16. PaaS Categories: aPaaS, iPaaS!
! Application PaaS (aPaaS) — the platform for hosting and
managing individual applications
! Integration PaaS (iPaaS) — the platform for intermediation and
integration of the application services hosted and point-
managed by aPaaS
All contents Copyright © 2012, MuleSoft Inc. 16

17. PaaS Landscape!
iPaaS! cloud !
dPaaS!
integration!
aPaaS!
All contents Copyright © 2012, MuleSoft Inc. 17

18. Technology Shift!
Traditional Application Environments!
Application!
Application!
UI
!
Web/App Server
!
Security
Database! Business Logic
!
Operating System!
!
Data!
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19. Technology Shift!
Newer Application Environments!
Application!
Security
UI
! API
!
Business Logic
!
!
Data! Integration!
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20. From stack to Open APIs!
Application Decomposition!
Application!
Security
UI
! API
!
Business Logic
! !
Data! Integration!
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21. API explosion changing application landscape!
source: ProgrammableWeb.com!
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22. Evolution of Application Architectures by
Innovation Cycle !
Source: Credit Suisse, 2012!
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23. Everything needs to connect!
By 2020:!
! 5 billion internet users!
! 50 billion connected devices!
! 1 million open APIs!
! Millions of apps!
!
! We are shifting from writing apps to composing APIs!
All contents Copyright © 2012, MuleSoft Inc. 23

24. 50,000,000,000 Devices!
! 50,000,000,000 devices / 5,000,000,000 internet users = 10!
! Average 4 people per household = 40 devices per household!
! Concentration in developed countries ~!
! = 100 devices per connected person!
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25. Apple’s Siri Architecture!
Presentation Tier
! Middle Tier
! Data Tier
!
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26. Netflix’s architecture evolution!
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27. Netflix’s architecture evolution!
Platfrom for building APIs
!
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28. Next Architecture Wave is…!
Client !
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
JSON / XML! JSON / XML! JSON / XML!
Middle Tier
! Server !
API
! API
! API
!
API
!
API
!
SaaS, Web Services, Social Data!
database!
API
!
Media APIs! API
! Data Tier
!
API
! API
!
API
! API
!
API
!
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All contents Copyright © 2012, MuleSoft Inc.

29. Next Architecture Wave is…!
!
!
!
!
o Reusable: REST API has become table stakes!
Client !
o Contextual: devices change the consumer model!
Presentation Tier
! Presentation Tier
! 3rd party Apps
!
o Platform: Many more apps, expand overXML!
JSON / XML! JSON / XML! JSON /
time!
o Easier: PlatformsMiddle Tierprovide high value
need to ! Server !
services to many different clients!
API
!
o Loosely coupled: Massive rise API! headless apps!
API
!
in API
!
API
!
SaaS, Web Services, Social Data!
database!
API
!
Media APIs! API
! Data Tier
!
o Connected: API! API!
Everything API! API! to connect!
needs
API
!
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All contents Copyright © 2012, MuleSoft Inc.

30. End!