Reverse mappings help the system continue to perform and scale well when large applications are placing huge memory demands on the kernel and multiple processes are sharing memory.
当大型应用程序向内核请求大量内存和多个进程共享内存时，反向映射帮助系统继续有效地运行和扩展。
2
Supporting multiple versions of an operating system presents limitations, as well.
支持操作系统的多个版本还会产生限制。
3
Operational MDM provides business and information services to use and maintain master data within the MDM system as well as the ability to reference master data across multiple systems.