WebSphere Application Server的DynaCache为服务器所生成的对象和分页分段提供了一个通用的内存缓存服务。

WebSphere Application server's DynaCache provides a general in-memory caching service for objects and page fragments generated by the server.

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分段和分页机制被配置成支持单任务系统、多任务系统或多处理器系统。

These two mechanisms (segmentation and paging) can be configured to support simple single-program (or single-task) systems, multitasking systems, or multiple-processor systems that used shared memory.

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386中也加入了分页机制，既可以提供分段机制的的多数功能，又没有性能损失，也没有编写段操作代码的麻烦。

Paging, also added in the 386, provides most of the practical benefits of segmentation without the performance cost and the extra complications of writing segment manipulation code.

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