Cloud migration services are divided into four stages: consultation and evaluation, migration plan formulation, migration implementation, and verification and optimization.
- Consultation and evaluation stage
Answer users' doubts or concerns about migrating to the cloud, collect cloud business system application lists, load conditions, component information, business relationships, etc., evaluate the feasibility of migrating to the cloud and recyclable old software and hardware assets, organize corresponding downtime windows for different applications, and identify Migration risks of key applications to ensure minimal impact on applications after implementation.
- Migration plan development stage
Carry out capacity planning based on current applications and performance data, determine relocation methods and migration steps based on business scenarios, develop emergency plans and rollback plans for each business system, specify migration verification plans and use cases, and determine the correlation between businesses and business criticality. Group applications, formulate a final detailed migration plan, and determine the actual migration process and division of labor for each application.
- Migration implementation stage
Conduct emergency plan drills before migrating important businesses to identify deficiencies in the plan in advance to ensure business continuity. According to the specified migration plan, use self-developed or open source tools to implement migration.
- Verification optimization phase
Verification use cases work with customers to verify, monitor the migrated business system, ensure safe operation for one month, and ensure application performance and user experience after migration. Based on the evaluation results and problems found in monitoring, we formulate improvement measures for the business system and optimize the business.