Wizard publications – Geospatial Data Sites Migration
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Background
The Customer was running multiple applications on NetMagic data center. They were looking to migrate all their applications to AWS Cloud. App Maisters conducted a 3 days workshop with the client to study 10 critical applications and their technical landscape. After the complete understanding, we decided to migrate to AWS in 2 phases. In Phase 1, delivered earlier by App Maisters, we helped the customer migrate 5 of their most business critical applications to AWS Cloud. As part of the second and last phase, 5 more critical projects were migrated to move to AWS Cloud.
Solution
- The projects were segregated according to the dependencies within the projects.
- A detailed migration plan was prepared.
- Best practices in terms of network and security were put in place.
- All the projects were hosted within a single VPC
- VPN connection was set up between AWS and customer office premises.
- Each project was architected with high availability at all layers according to the requirement of the project.
- Entire infrastructure was set up for functional testing of the application.
- Implemented data lake for the backup solution successfully into glacier
- Implemented a POC on APM tools to find out issues with the performance of the code
- Central logging was put in place for most of the critical projects using ELK stack.
- For the layers requiring auto-scaling, auto scaling groups were used and appropriate listeners configured.
- RDS was used in the projects where the customer was using PostgreSQL.
Result
- All the business critical applications were migrated to AWS in a smooth and planned fashion with minimum downtime over a 3 month period.
- AWS Autoscaling helped to keep the application up when there was high load on the applications.
- Usage of spot instances and reserved instances helped in optimising the cost and produced a savings of approximate 30% over on-demand
