那就是让移动数据得以存在的技术。
移动数据政策应该包括些什么？
在不同的代码页中移动数据。
组：有相似移动数据同步需求的一组用户。
Group: a group of users with similar mobile data synchronization needs.
有时，物理的移动数据仍然是更好的方式。
XML事实上已演化为用于移动数据的语言。
为iPhone用户提供特殊的移动数据套餐。
在用户数据库之间移动数据(不，不仅仅是您)。
这些工具可以用于在数据库之间移动数据。
这是2009年-移动数据应用最高增长的66倍。
This represents a 66-fold increase from 2009, the highest of any mobile data application.
何为移动数据政策？
到2014年，移动视频将占到全世界移动数据的66%。
By 2014, mobile video will account for 66% of all mobile data traffic worldwide.
创建并启动了一个复制后，如何实际地移动数据？
After a replicate has been created and started, how does the data actually get moved?
拥抱移动数据也能让公司分到数据市场更多的份额。
Companies can also get a bigger piece of the data pie when embracing portability.
持久性框架用来在应用程序层和数据库之间来回移动数据。
A persistence framework is used to move data to and from the database in the application layer.
让公司履行移动数据政策的动机很简单：这能建立起信任。
The incentive for a company to have a portability policy is simple: It builds trust.
带宽不足可能会限制性能或影响移动数据以支持本地服务执行的能力。
Bandwidth may limit performance or impact the ability to move data in support of local service execution.
Linux还提供一些其他的方法，用于在内核和用户空间中移动数据。
Linux provides a number of other methods that you can use for data movement, both in the kernel and in user space.
当我们在用户界面和数据库之间移动数据时，发现我们需要预见数据类型。
When we moved data between the user interface and database we discovered that we needed to anticipate the data type.
抓紧机会回答这些问题，并说明你的公司为什么关注于移动数据这一方面。
Take the opportunity to answer the questions and explain why your company has approached the issues of data portability in the way that you have.
传输对象是一个短暂的hash，用于在控制器与视图之间来回移动数据。
The transfer object is a transient hash used to move data back and forth between controller and view.
在Web 2.0的世界中，JSON是一种非常流行的移动数据的方式。
JSON is a very popular way to move data around in the Web 2.0 world.
但是相比在节点之间移动数据进行验证，DRBD提供了一个更为高效的方法。
But rather than move data between nodes to validate, DRBD takes a much more efficient approach.
上面部分探讨了在内核和用户空间之间移动数据的方法(使用内核初始化操作)。
The previous section explored methods for moving data between the kernel and user space (with the kernel initiating the operation).
因为它以数据库日志为基础，所以与其他移动数据的方法相比效率很高。
Because it is based on the database logs it is very efficient in terms of performance compared with other methods of moving data.
虽然现在有许多厂商提供处理移动数据的软件，但是直到现在它仍然较复杂和昂贵。
While a variety of vendors offer software to handle moving the data, up until now it's been complicated and expensive.
移动数据政策至少应该回答我们组织所建立的移动数据政策问卷里的问题。
At a minimum, a Portability Policy should answer the questions on the Portability Policy questionnaire created by my organization.
当源数据库过大并且没有足够的空间来容纳中间数据文件时，推荐使用管道来移动数据。
When the source database size is too large and there is not enough space to hold intermediate data files, using pipe is the recommended way to move the data.
当基于这些模式来设计Web 2.0应用的时候，架构师常常对移动数据有专门的需求。
When designing Web 2.0 applications based on these patterns, architects often have highly specialized requirements for moving data.
一旦选择了一个特定的方向之后，您差不多就被它绑定了—进行切分后很难随便移动数据了。
And once you've chosen a particular direction, you're more or less tied to it - it's hard to move data around after it's been sharded.
应用推荐