1

Head of Product Management & Marketing, TCS HOBS

Kannan Ramakrishnan,

Transforming Telecom BSS/OSS with MicroServices for Greater Agility

Chief Architect, Orchestration & Integration Platform, TCS HOBS

Raghavan Venkatasubramanian,

2

Service Provider Market Trends & Needs

TCS Confidential

Technologies continue to disrupt forcing greater investments, also providing opportunities to reimagine traditional enterprises to digital businesses

Microservices Agile

Automation DevOps

Cognitive Cloud

IT Technologies

Network Technologies

NFV

IoT

SDN 5G

3

Service Providers – Transition to Digital Businesses

TCS Confidential

Simplifying the Core, Leveraging Ecosystem Play & Sustainable Innovation Models are critical tenets

• Bundle Core & Partner Services

• Sell Thru, Sell With & Sell To Models

• Products

• Processes

• Applications

• Resources

• Create Exponential Customer Value

• Adapt & Transform Continuously

Sustainable Innovation Models Leveraging Eco System PlaySimplifying the Core

4

Digital Businesses Require Greater Business Agility

TCS Confidential

Key Metrics related to business agility are being continuously challenged

Time to Market, Per New Product Offering

< 1 Day

Time to Market, Per Existing Product Offering Change

< 1 Day

Time to Launch New Network Service

< 4 Weeks

Time to Launch Onboard Partner

< 8 Weeks

Time to Realize Transformation Benefits

< 24 Weeks

Time to Deliver Business Changes

< 3 Weeks

5

Key Enablers Driving Business Agility in Service Provider Environment

TCS Confidential

Key Enablers

• Catalog Driven • Comprehensive Capabilities• Open APIs• MicroServices• OpenSource• DevOps• Agile Delivery Model

True Agility comes in ability to deliver rapidly in a changing business & operational environment

Change Triggers

• Products & Services• Integrations• Partners• Resources• Channel & User Experience• Process Changes• Regulation• M&A

6

• Identification of the domain and business transactions• Identification of the list of presentation layers views to further refine the

service list• Paginated services with max results limit• Dashboard services to return summary• Hierarchy services

• Identification of the data isolation rules• Volume of requests within context of the transaction

• Enable time bound caching policy

Transforming BSS/OSS with MicroServices to achieve greater agility

Guidelines for designing the MicroServices

7

• Channel Services

• Domain Specific Services

• Presentation Layer Services

• SOR Services

• Vertically Integrated Services

• Integration Services

• Specific /purpose-built Services

MicroServices Common Patterns

Monolithic and Layered Channels Applications

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Traditional Integration Layer – Refactored as MicroservicesSOA evolution to Microservices

Legacy SOR*

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* SOR – System of Record

Data Microservices

8

TCS HOBS MicroServices Approach

TCS Confidential

Illustration of Domain and Presentation Services

CRM Services

getCustomerDetails

getAccountDetails

getSubscriberDetails

Acc

ou

nt

Cu

sto

me

r

searchCustomer searchCustomerSummary

Customer Services

Customer GET POST PUT

Presentation Layer Services

searchAccount searchAccountSummary

AccountServices

Account

Presentation Layer Services

9

TCS HOBS MicroServices Repository

TCS Confidential

Comprehensive & Separated out Domain Specific Services, Presentation Services & Context Sensitive Services

• Party services

• Contact services

PARTY

• Release details service

• Release notification services

PPM

• Customer services

• Account services

• Subscriber services

CRM

• Order services

• Order dashboard services

OM

• Agreement service

• Quote service

• Dashboard service

CPQ

• Customer document services

• Document meta services

DOCUMENT MANAGEMENT

• Notification services

• Business workitem services

COMMON

• Eureka

• Zuul

INFRA

10

TCS HOBS MicroServices Architecture

TCS Confidential

Elasticity is built-in to architecture to scale easily

Customer Services

Customer Services

WebServer

Zuul

Eureka

API Gateway

Account Services

Account Services

Subscriber Services

Subscriber Services

11

TCS HOBS Event Based Framework

TCS Confidential

Event Based Framework coupled with MicroServices enables rapid leverage of partner eco systems

CRMS/Selfcare/Channels

Customer API

Account API

Contact API

Search Index Consumer

Consent Management

Consumer

DWH Consumer

Kafka Stream

Add Customer

Update Customer

Add Account

Add Contact

Update Contact

Update Account

12

TCS HOBS - MicroServices Lessons Learnt & Benefits

TCS Confidential

Master Craft Solution

ChallengesKey Lessons Learnt

Key Business Benefits

• Enable elasticity into the core services architecture

• Agility in rollout was realized by creation of services for presentation layer and business service layer

• Integrate Event framework as part of business services

• Choice of micro service technology stack to align with existing ecosystem (JPA, Spring) and associates knowledgebase which enabled quick adoption of the technology stack

• Split application to manage data updates (commands) and data reads (query)

• Event Driven Architecture enabled reduced time to plug new platforms to process and act on existing transactions

• Faster turn around time in rolling out new APIs (especially for the presentation layer)

• Reduced turnaround time to deliver business outcomes

TCSHOBS

13

Cloud Platform for Subscription Centric Digital Businesses

TCS HOBS – Digital Platform Enabling Sustainable Innovation

TCS Confidential

Integrated Business Capabilities across Product, Customer, Service, Resource & Partner Lifecycle

• Catalog Driven Approach for rapid launch of products and services

• Open APIs to Monetize market place capabilities

• Insights Driven Personalized Real Time Offers

• Fit for purpose design enabling Zero touch back-office

• Configurable Processes for Accelerated transformation and lowered TCO

• Revenue Improvements > 12%

• NPS Improvements > 30%

• Time to Market Reduction by > 90%

• Time to Deliver Business Changes < 3 Weeks

• Time to Launch Business < 12 Weeks

Key Outcomes Enabled

Thank You

IT ServicesBusiness SolutionsConsulting

studioppt I 05 I 2018