Final answer:
To ensure high availability for an eCommerce application on AWS, the company should use load balancing, auto scaling, multiple servers, distribute data across several databases with replication, and enable backup and disaster recovery mechanisms.
Step-by-step explanation:
Ensuring High Availability for an eCommerce Web Application on AWS
To ensure that an eCommerce web application developed in AWS has the highest level of availability, a company should:
- Implement load balancing and auto scaling: This approach helps to distribute traffic evenly across multiple servers and scales resources up or down based on demand, ensuring that the application can handle a significant increase in traffic without downtime.
- Use a multi-server, distributed approach for hosting the application instead of a single server which can be a single point of failure.
- Store data across multiple databases with replication to ensure that if one database fails, others can take over without data loss. Using a single database can also be a single point of failure.
- Enable backup and disaster recovery mechanisms to ensure that data is regularly backed up and can be restored in case of any unforeseen disasters or failures.
By implementing these strategies, an organization can significantly increase the application's uptime and provide a more reliable service to its customers, handling simultaneous users and ensuring smooth operations even in the face of technical issues or load spikes. These practices are also critical in maintaining data integrity and business continuity.