This trend could bring us to stateful clients interacting with stateless servers (i.e. a simple database front-end).

这一趋势能带来与无状态服务器相互作用的有状态客户端(例如简单的数据库前端程序)。

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In its most basic form, this architecture can be broken down into three tiers: front, mid, and database.

按照最基本的形式，这个体系结构可以分为三层：前端层、中间层和数据库层。

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Consider using a database or a front end to allow users to update the whitelists and blacklists.

可以考虑使用一个数据库或者前端，以允许用户更新白名单和黑名单。

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In most applications, a NoSQL database will require less up-front planning, and offer more flexibility as the application evolves.

FORBES: What You Need to Know About NoSQL Databases

Like coupons, the real money of the model is probably in infrastructure and database management, not owning a dedicated front-end site.

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For them a simple to deploy and manage DoS Defense system that they can put in front of their web, database, and DNS servers is ideal.

FORBES: DDoS: coming to a network near you