Typical examples include logging data about the request or response, processingsecurity protocols, managing session attributes, and more.
典型的例子包括记录关于请求和响应的数据、处理安全协议、管理会话属性，等等。
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New principles for an age of big data sets will need to cover six broad areas: privacy, security, retention, processing, ownership and the integrity of information.
These powerful security features are essential for many types of business data exchange, but they do come with a cost in terms of added processing overhead.