# 系统设计

- [高可用架构](/java/xi-tong-she-ji-19/gao-ke-yong-jia-gou.md)
- [业务高可用的保障：异地多活架构](/java/xi-tong-she-ji-19/gao-ke-yong-jia-gou/ye-wu-gao-ke-yong-de-bao-zhang-yi-di-duo-huo-jia-gou.md)