When T-Mobile wanted to rebuild its next generation web customer service platform, it chose AWS to enhance its customers’ user experience. In this session, learn how T-Mobile adopted the AWS cloud platform, implemented an agile development methodology, embraced faster release cycles, and paved the way for greater AWS adoption within the organization. In doing so, T-Mobile was also able to deliver a consistent, comparable experience to its customers across four screens: PCs, tablets, smartphones, and feature phones. T-Mobile was also able to demonstrate agility and efficiency from a technology and business perspective.

1. Migrating MyTMobile to AWS
Shyam Sasidharan, Director, Technology Transformation
Gopala Gaddipati, Principal Enterprise Architect
November 13, 2013
© 2013 Amazon.com Inc. and T-Mobile USA Inc. All rights reserved. May not be copied, modified, or distributed in whole or in part without the express consent of Amazon.com, Inc and T-Mobile USA Inc..

2. T-Mobile US, Inc. : America’s Un-Carrier
As America’s Un-carrier, T-Mobile US, Inc. is redefining the way consumers and businesses buy
wireless services through leading product and service innovation.
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NYSE: TMUS
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Employees: Approximately 38,000
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Customers: Approximately 45 million
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Total revenues: $24.8 billion
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Flagship brands: T-Mobile and MetroPCS

3. Technology Transformation
Team Mission
Identify and launch transformative technology driven programs that protect and enhance T-Mobile’s
identity as America’s Un-carrier.
Transformation lifecycle
Discover
Define
Key Programs for 2013
• Public Cloud Adoption
• Web Transformation
Design/Build
Operate
Transition

4. Web Transformation
Vision
“Build T-Mobile’s Next Gen Web Platform by taking a greenfield approach leveraging cloud
infrastructure and an agile development process”
Goals
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Build the next generation Web platform
N-Screen Architecture / Adaptive Design
Unified platform for all Web properties
Business friendly environment for Content Authoring
Agility
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Business Agility
Web Platform Agility
Infrastructure Agility

5. Program Characteristics
Key Requirements
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Perpetual Beta
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Development kickoff within 2 weeks of Program Launch
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3-week sprints with code deployed after every sprint
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Multi-Partner / Multi-Vendor Environment
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Access to Back Office systems
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Scale up/down Development teams based on load
• Ongoing Sprints
• Functional Releases
• Alpha Launch
Phase 1b
Phase 1a
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Program Kickoff
8 Weeks
Infrastructure
Architecture
SDLC Strategy
Phase 0
• Proof of Concept
• AWS Enterprise
Agreement
• R&D
• Partner Selection

6. Benefits of Cloud Infrastructure
Amazon Web Services (AWS) allows us to be quick to market, scale on-demand with
minimal startup costs
Data Center
Upfront Investment
Weeks
CapEx investment for full load
Experiment Infrequently, Failure is
expensive
Infrastructure Costs
Environment Setup Time
Actual Demand
Hours
Agility & Burst
On-Demand for Retail Season
Innovation
Experiment often, Fail quickly
at low cost
* Excludes software licensing fees applicable to both scenarios
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7. Our Journey
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Cloud Strategy
Key Considerations
Platform Rollout Plan
– Cloud Platform Features
– Environment Provisioning
– Cloud Automation
– Operational Readiness

8. Cloud Strategy
Short Term Strategy:
Public Cloud (AWS)
• Reduced time to market
• Elastic scalability
• Cautiously optimistic approach
• Private Cloud :
Long Term Strategy:
Hybrid Cloud
• Captive infrastructure
• Increased security and controls
• Public Cloud:
• Agility
• Infinite capacity
• Optimized utilization

9. Key Cloud Considerations
Integration
Security
Performance &
Scalability
Workload Allocation
& Management
Availability &
Failure Tolerance
People & Process

10. AWS Platform Rollout Plan
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Requirements
Location
Maturity
Cost
Product Support
Environment
Standup
Cloud Stack
Cloud Partner
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Application Stack
Product Compatibility
TCO Analysis
Finalize Application and
Cloud Stack
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Standalone Cloud
Environment
Manual Provisioning
Hardened Golden Images
Silent Install Scripts
Cloud
Integration
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VPC Setup
Site to Site VPN
Integration with Data
Centers
Operational Tools
Security Tools
One Click Environment
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11. Cloud Platform Features
“N” Application
Environments
Virtual Private Cloud
Disaster Recovery
Environment
Comprehensive Security
Controls
Auto-Scaling to Meet Burst
workload demands
Distributed Application
deployment
Back office integration with
Link Redundancy
On-going Security Assurance
Process for PCI Compliance

12. Cloud Environment Provisioning
Fully Automated environment
Provisioning & Configuration
Automated Provisioning &
Manual Configuration
Manual Provisioning &
Configuration
OS – AMI Golden Images
Application Stack – Manual
Provisioning
Challenge – All product's cannot be
provisioned through Golden Images
OS + Application Stack – Automated
Provisioning through bootstrapping
silent installation scripts into AMIs
Manual configuration of Environment
specific Parameters.
Application Environment – “One
Click” Environment Provisioning
Standard environment templates
Centralized Configuration
Management
Challenge – Inconsistent
configurations across different
environments
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13. Cloud Enablement Process Flow
Self Service Portal
Users
UI
2
On-Board new
component with
Associated Details
Management Layer
3
4
Sync-up & Associate
Metadata Attributes
(Cookbook, Recipes)
5
Create
Template,
Deploy &
Test
Release
Start
Configuration Layer
Cloud & Infrastructure Layer
Management Platform
Pre-defined PAAS &
deployment Templates &
Setting
DB
Metadata
Information
1
Automation Script
(Cookbook,
Recipes, Attributes)
Rest /
HTTPS
System / Software Configuration
Management
Automated
sync - up
based on UI
Configuration Manger
DB
Scripting
Deployment & Other
Operational tasks
Configuration Agents
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14. Cloud Operational Readiness
Security
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Assurance
Infrastructure Security
Application & Data Security
Identity and Access Management
High Availability
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Redundancy at each layer
Stateless Application Design
Auto Scale Capability
Automated Provisioning
Data Replication
Monitoring and Real time alerts
Disaster Recovery
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15. AWS Support
Account Management
Architectural Review
Enterprise Support
Products
Partners
IAM
VPC
EBS
SQS
SES
CloudWatch
Storage Gateway
S3
Glacier
ELB/ILB
Direct Connect
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presentation
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