1.
Future of SOA
& modern APIs
Ram Lakshmanan
ram@tier1app.com
Stars Talk
19-Jun 2015, Washington DC
Disclaimer:
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2.
What is an API?
“today”.length();
5

3.
Evolution of API
My Application My Application Other Application
Partner Application
My Application Other Application
Partner App
My Application Other ApplicationNew Channels
My Application

4.
SOA/API World – Today
https://www.youtube.com/watch?v=GjJv7SQ9Wvg

5.
APIs everywhere
It’s not just for technology leaders
http://developer.compassion.com/ http://build.kiva.org/

6.
SOA/API Architecture
SOR-2
SOR-n
SOR-5
SOR-3
SOR-4
SOR-6
SOR-1
Online Application
Mobile Application
Stores Application
Call Center Application
Partners/LOB Application (100+)
SOA
<SOAP/>
HTTP
JDBC
JMS
HTTPS
LDAP

7.
What values does SOA/API provide?
Unimagined business
opportunities
Simplified Integration – with
in enterprise & partners
New channels/devices
Cost Reduction Agility to business

8.
SOA/API World – Tomorrow*
* - I am after all Ram Lakshmanan. Forgive me as well
”640K ought to be enough for anyone. – Bill Gates, 1981”

9.
Driving forces, that will shape future
1. Industry trend
2. End User
3. Business Operator
4. Partner/Developer

10.
#1 – Industry Trend
Explosion of devices
2018 – 12.1 billion mobile devices 2020 – 26 billion IOT devices

11.
Smaller, Faster APIs
Answer: Binary Protocols
• Google Protocol Buffers, Binary XML,
Hessian/Burlap…
• What goes around comes around
Smaller Payloads Faster APIs

12.
SOA will do more
SOR-
1
Client
SOR-
n
SOA
Pretending SOA Real SOA
SOR-
1
Client
SOR-
n
SOA

13.
SODA - Micro Services *
* - Too many SODA/Micro Services, can lead to maintenance/
deployment nightmare
Monolithic Deployment SODA

14.
SOA Governance - Prominence
Solution
• Enterprises will start to invest
in SOA Governance.
Problems
• Competing Services between
organizations in enterprise.
• Interoperability between services
• Lacks of standards

15.
#2 – End User
Got used to best of the best

16.
SOA will start to think
• Broad cast vs Narrow cast
SOA
Same Itinerary, different prices
Customer-A  1050$
Customer-B  1000$

17.
More Analytics from SOA
If there is one place where all information flows - it’s SOA
• End user Data
• Channel/LOB Data
• Partner Data
• Internal SOR Data
• External SOR Data

18.
Traffic volume will increase
• SPA (Scalability, Performance,
Availability)
• Can talk about it for hours.
• Self-healing (Circuit Breaker
Pattern)

19.
#3 – Business Operator
In several enterprises “Technology is a cost”

20.
Elastic Cloud
• Traffic – High tides, Low tides in a day.
• Under utilized compute resources
• Add compute power on demand.
• Through APIs 

21.
Relaxed Schemas
Versioning - Expensive
• Provider: Cost to support old
versions
• Consumer: Cost to migrate
Relaxed Schemas
• Relaxed schemas, Loose typing

22.
#4 – Partner/Developer
Most Demanding guy

23.
Multiple Interfaces
Hessian
Binary

24.
Tooling
Documentation
• Auto-Generation
• Collaborative/Interactive
Environment
On-boarding
• Credential Generation
• API Authorization management
• Discontinue

25.
Security Standards will evolve
Authorization
With APIs, Data has started to flow everywhere

26.
API Store
Discovery Model - Broken
• UDDI Broken
• No significant alternative exist
API Store

27.
Thank you!
https://www.linkedin.com/in/ramlakshman
http://blog.tier1app.com
ram@tier1app.com