how t-mobile leveraged service virtualization as a foundation to digital transformation

How T-Mobile Leveraged Service Virtualization as a Foundation to Digital Transformation

Pi Chartbanchachai

DevOps: API Management and Application Development

T-Mobile

Software Development Manger

DO3X115S

#CAWorld

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Abstract

How T-Mobile overcame challenging obstacles and kept programs running efficiently by shifting left with virtual services and automated tests, significantly reducing costs with virtual training systems and exceeding overall quality standards.

Pi Chartbanchachai

T-Mobile

SW Development Mgr.


Agenda

T-MOBILE INDUSTRY LANDSCAPE

USE CASE 1 – SHIFT LEFT

Q & A

USE CASE 2 – VIRTUAL TRAINING ENVIRONMENT

TAKE AWAY

NEXT STEPS

1

2

3

4

5

6

T-Mobile and the magenta color are registered trademarks of Deutsche Telekom AG. © 2015 T-Mobile USA, Inc.

How T-Mobile Leveraged

Service Virtualization as a

Foundation to Digital

TransformationPi Chartbanchachai


Current T-Mobile Position

T-Mobile IT Delivery

Landscape

Use Case 1 – Shift Left

Use Case 2 – Virtual Training Environment

Takeaway & Next Steps

7 T-Mobile and the magenta color are registered trademarks of Deutsche Telekom AG. © 2015 T-Mobile USA, Inc.

61M CUSTOMERS

BRANDEDPOSTPAIDNET ADDS


8


UN-CARRIER MOVES


9


IT Delivery

Current Systems

& Processes

Monthly Major Release Cadence

5-10 Minor Releases/Month

Universe 1.0

Radical Systems Transformation

Move toward

Un-carrier DeliveryTM

Universe2.0


Use Case 1Shift Left


11


Shift Left

Presentation Layer

API Management

Middleware Major Backend

UI

Façade API

Core API

Enterprise Business Services “Echo”

Other Backend Systems

OMS SAP PAY …

Partners

LEGEND

T-Mobile

Echo Vendor

UI Vendor

Other


12


Shift Left

May June July August September October November

Iteration 0

Iteration 1

Iteration 2

Iteration 3

Iteration 4

Development

Development

Development

Development

Development

Integration &

QAT

Integration &

QAT

Integration &

QAT

Integration &

QAT

Integration &

QAT


13


Scope of Testing and Virtual Services

Presentation Layer

API Management

Middleware Major Backend

UI

Façade API

Core API

Enterprise Business Services Echo

Other Backend Systems

OMS SAP PAY …

Partners

LEGEND

Test

Automation

Virtual Services


14


Controlled Ecosystem

SCMCI

Application

Dependency

Invoker

Application Under Test

Virtual Backend

“Test” API

Developer Portal

Automated Test

Continuous Monitoring

Developers

Analysts

DevTesters


Use Case 2Virtual Training

Environment


16


Virtual Training Environment

2nd Prod Environment Emulator

Create another set of production environment (scaled down) to

mimic production behavior exactly

Create mock-up application

UX- Production-like experience

- Support Walk-Me / Guide-Me

- Emulator experience

- Walk-Me/Guide-Me needs

additional development

Infra $ $$$$$ $

Labor $ $$$$$ $$$$

Data Prep $ $$$$$ $


Use live applications for UI and API layers – virtualize the layer below

- Production-like experience

- Support Walk-Me / Guide-Me

$$

$$

$


17


Virtual Training Environment Architecture

Presentation Layer

API Management

Virtual Service Environment

UI

Façade API

Core API

Enterprise Business Services Echo

OMS SAP PAY …

Partners

LEGEND

T-Mobile

Billing Vendor

UI Vendor

Other

Ra

te o

f C

ha

ng

e

$5M

$5M


Takeaways &Next Steps


19


Shift Left

Allow domain experts to self-create artifacts easily

Establish control and governance on virtual and automation artifacts

Generalize and parameterize virtual service artifacts and use them later in the life cycle

Takeaways


Educate business users

early about the concept

Pick the right layer to

virtualize for training

Use fake data for the

training environment!


20

Test Data Management

Deployment Automation CA Release Automation

Docker

Test Case & Service Monitoring

Compatibility

Next Steps


Q & A


Recommended Sessions

SESSION # TITLE DATE/TIME

DO4X129SFueling DevOps with a Testing Trifecta—How the New

World of Testing is Driving Agile Dev11/18/2015 at 4:30 pm

DO4X131SSunTrust’s Next Gen QA & Release Services

Transformation Journey11/19/2013 at 1:00 pm

DO3X118SThe Why, Where and How of Service Virtualization

Adoption11/19/2013 at 2:00 pm


Must See Demos

Application Test DemoCreate Better Application Tests

Theater 4

DevOps Sim

DevOps Simulation Experience

Theater 3

Continuous App InsightAutomate Tests for Better Apps

Theater 4

Service VirtualizationDeliver Better Apps Faster with SV

Theater 3


Follow Conversations At…

Smart Bar

DevOps

Theaters 3 & 4

Tech Talks

DevOps

Theaters 3 & 4


For More Information

To learn more, please visit:

http://cainc.to/Nv2VOe

CA World ’15

http://cainc.to/Nv2VOe

http://bit.ly/1wbjjqX

how t-mobile leveraged service virtualization as a foundation to digital transformation

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