aws cloud - minfy™...aws cloud dr on aws cloud success story bcdr a b o u t t h e c u s t o m e r...
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Vara United Migration AWS Cloud
DR on AWS Cloud Success StoryBCDR
A B O U T T H E C U S T O M E R
Srei Infrastructure Finance Limited ("Srei"), a Kanoria Foundation entity, is one of India's
largest holistic infrastructure institutions, constantly and consistently delivering
innovative solutions in the infrastructure space. Srei, derived from the Hindi word ‘Shrey’
meaning 'merit' or 'credit'.
The company has been in the business for nearly three decades and has come a long way
after starting its journey perhaps in one of the most difficult and challenging times. In 1989,
India had not opened up its economy, which during those times, was in doldrums. There
was hardly any quality investment in infrastructure projects. Srei was born then, a child of
a dream, with the aim to address two of the most critical problems in our country then –
financing and infrastructure. Today, Srei has close to USD 5.5 billion of consolidated assets
under its management.
IndustryBanking Financial Services &Insurance
ServicesApplication Services &Infrastructure ManagedServices
HistorySREI is a part of the grandlineage of KanoriaFoundation.
SREI had hosted their most of their mission-critical applications which require high
system up-time and resiliency with a leading Data-center service provider. DC was
located in New Delhi, without having a DR was single point of failure in the event of any
outages, frequent outages in the recent past, even took over a week to resume the
application availability inevitably resulted in huge business impact at the customer's end.
Problem sets defined were:
a. High Capital Investment in procuring infrastructure.
b. Outages resulting in both loss of business and brand value.
c. Difficulty in scaling the infrastructure.
d. Operation cost on 3rd party service provider on DC support for maintenance.
e. No cost-effective solution for setting up the DR which was mandated by RBI.
f. The lengthy process of discussions and negotiations during a hardware refresh.
g. Slow and deteriorating hardware stack hampering performance.
SREI has migrated 25 Applications including 4 business critical applications built on Dot NET
v4.x, using database as Oracle 11G R2 & few custom applications which runs on
Dot Net v4.x and back-end DB as Oracle & MSSQL on AWS embracing best practices with
guidelines for implementation.
Housing 65+ windows based instances ,40+ Production instances & 25 Development & Test
environment.
Minfy’ s Enterprise Cloud Architects worked with the Infrastructure team of SREI Core
IT Infrastructure team to design a highly scale-able & fault tolerant Disaster
Recovery on AWS paying special attention to maximizing the availability and ensuring
business continuity for all the core applications.
Minfy devices out the plan to migrate 25+Microsoft based Dot Net Applications which
includes 4 - Business critical most applications & 20+ internal applications on AWS by
leveraging the Advantages of different AWS services. Starting with DR environment
and then production.
Minfy reduced capital and operational costs by recommending an alternative for
the on-premise infrastructure for the DR site , instead of that adopting the new scale-
able infrastructure on AWS. Minfy started the migration of production server for
SREI with a complete due-diligence of their existing infrastructure along with the
special focus on economics /TCO, migration plan has been detailed with ownership and
recommendations .
P R O P O S E D S O L U T I O N
R U N N I N G W I N D O W S W O R K L O A D S O N AW S
H I G H L E V E L D E S I G N O FM I G R A T I O N
M I G R AT I O N P R O C E S S
Minfy's Implementation team along with the Cloud architects worked with Infrastructureteam & business stakeholders of SREI to derive out the migration plan to ensure on zero /very minimal interruption to the website’s availability. To finalize the Migration plan, it’s started with BIA Analysis, risk assessment, CostAnalysis, Priorities established with inputs from SREI, prioritization done for functionaloperations, information flow, processing systems used, services provided inputsgathered as most practical alternatives possible in case of DR. 1. Applications were moved both in a manual and automated fashion. While simplerhomegrown web applications were migrated manually complex ERP and Legacy Financeapplications were moved using CloudEndure. 2. For block-level synchronization of databases to CloudEndure was leveraged. 3. File system integration achieved leveraging Minfy’s Intellectual proprietary applicationCloudStorz. As per the use case, S3 bucket needs to be mapped as the drive for the coreapplication for which a 3rd party application TNT Drive was used. 4. Migrated on-premise P1 legacy applications servers hosted on windows platform toAWS via AWS VM Import/Export service as they have multiple challenges in setting upthe same on a new windows ec2 instance on AWS. 5. The additional domain controller has been set up on AWS environment from scratchalong with client by syncing the same with on-premise Primary Domain Controller toperform successful DR drill on AWS environment as client's most applications were ADdriven. being additional domain controller already configured it helped for successfulapplication usage on DR site. 6. Session management & load balancing achieved using the AWS Elastic load balancerfor multiple windows terminal servers for which houses P1 application stack. 7. For smooth DR transition of dynamic .Net Application's content,for data transfer fromon-premise DC to DR site we have used our native tool CloudStroz which works onupload mode in DC site and in download mode in DR site having S3 as the repository. Soin the DR site when the application instances were up having this back-end mechanism ithad all the updated data in place and ready to use.
R E S U LT S
The value proposition shown by Minfy & AWS, convinced the client to make the DR which was
set up on AWS as primary datacenter & the third party DC provider as DR.
The total cost of operations of the DR was optimized at 15% of primary DC TCO.
Minfy’s DR Solution was audited & approved by Gartner without any observations and
changes helped in setting the stage for BFSI & NBFC customers to start cloud adoption.
DR Drill was immensely successful with zero data loss.
All the P1 application servers started within the stipulated RTO of two hours.
Minfy as an Omni channel solution for SREI from the design of the solution,
implementation to managed services support (24*7) helped SREI to focus more on their
core business.
External auditors from Reserve Bank Of India audited & approved the DR set up as it
complied to all the regulations governed.
DR on Cloud strategy was presented by SREI in the Gartner symposium and was highly
acknowledged by the industry and opened doors to a lot of BFSI & NBFC customers to start
cloud adoption for DR with minimal investments.
Results &Highlights
R E S U LT SMicrosoftWorkloadMigrations Are you struggling to find away to migrate andmodernize your legacyMicrosoft applications? Minfy can help you migrateessential workloads toAmazon Web Services (AWS)responsibly by re-architectingand optimizing them on AWS.Then you can implement thelatest development andDevOps processes such asContinuousIntegration/ContinuousDeployment CI/CD, so you canget to market faster andrealize ROI quicker.
MinfyTM born in the cloud firm, is committed to helping enterpriseswith its impeccable IT solutions in the cloud Era. We help theorganisations to move forward in the digital world by changing the waythey use IT. We are committed to delivering today’s best-of-breedcloud solutions to the organisations. Our service offerings
Cloud consulting & Migration Services. Application Modernization Services. Dev-Ops Services. Next Gen Managed Services.
Sec- Ops & SOC services.AI,ML & Big Data Analytics.
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