Substitution and recovery mechanism are important issues for availability of web services which participant composition.

参与合成的Web服务的替换和恢复,是服务可用性需求中的两个重要问题.

互联网

And having implemented the subject database properly and established backup and disaster recovery mechanism 3.

合理规划了主题数据库,建立了数据库备份和容灾机制.

互联网