Component Design Considerations for High Availability
The following table contains examples of uptime requirements for Commerce Server functions. Your requirements might be different from those shown in the table; however, you can use the examples as starting points for creating your site architecture.
| Commerce Server function | Target uptime (%) | Failure classification |
|---|---|---|
| Authentication | 99.99 | One retry acceptable |
| Basket view | 99.999 | No acceptable failure rate |
| Catalog query | 99.99 | Two retries acceptable |
| Personalization | 99 | Do not retry |
| Purchase pipeline | 99.999 | No acceptable failure rate |
| Show advertisement | 99 | Do not retry |
For examples of business logic that you can use to protect against loss of database connectivity, see Retry Code Logic.
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