8/3/2019 Prizm Case Study

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usiness Solutions Sales March 25, 2011

ata Tele Enterprise Business Page 1

Company Back ground and history

Prizm Payments is a company created by integrating the operations and team of Integrated Maintenance and Servic

Private Limited (IMAS) and Sequoia Capital, one of the worlds leading Private Equity Firm as a financial investor. Priz

Payments is created to develop a self-sufficient mutually beneficial nation-wide modern payments ecosystem for financ

institutions, retailers and service providers. With a presence in 70 Tier 1, Tier 2 and Tier 3 cities, Prizm Payments delive

services to 20 of the top corporate customers in the country. Managing over 3,500 Electronic Transaction Terminals -ATM

Kiosks and other financial institution devices. Prizm Payment is the leader in providing end-to-end managed ATM services

major banks, retailers on a pay-per-use revenue share model, they are building, operating and managing ATMs for AXIS Ba

and they are pitching this model to other Banks.

Key Business Challenges

Secured network for transporting ATM transaction data.

Single IP address to be used by multiple host ATM devices.

High service availability and faster MTTR.

Opportunity

ATM deployment per day: Three

Product /Services Requirement per ATM:

Wireless Router, Photon + Dongle, RW VPN services.

Current no of ATM opportunities: 100 nos and purchase order received for 20 nos.

TATA TELESERVICESRoad Warrior Solution to Prizm PaymentsTata Tele Enterprise Business

8/3/2019 Prizm Case Study

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usiness Solutions Sales March 25, 2011

ata Tele Enterprise Business Page 2

Proposed Solution/ Services Brief Secured RW VPN Solution with on HSIA Router

supporting IPSEC as additional security tunneling Port Address Translation -single IP mapped to

multiple ATM host devices on ActiveActive mode

to communicate with Bank Server in a single session. Back-to-Back SLA with vendors for high service

availability of devices.

4 layered Secured ATM Transactions/Data CommunicationsLayer 1:CDMA device till PCF: CAVE algorithm to generate128-bit sub-key called the Shared Secret Data (SSD) to encry

data packets that travel over the air interface.Layer2: PCF till PDSN: GRE tunneling protocolLayer 3: PDSN till LNS: Each PPP session is authenticated byAAA server at PDSN and further tunneled till LNS using layer-2

L2TP tunnel protocolLayer 4: HSIA Router: Creates IPSC Tunneling.

Network Architecture SLA Commitment Network Service availability 98% on best effort bas MTTR for resolution of network service

Class A city : 4 hrsClass B City: 8 hrsClass C City : 12 hrs

Latency -