适应快速查找需要的安全协议数据库(SPD)和安全关联数据库(SAD)的硬件结构设计。
The hardware design of security policy database (SPD) and security association database (SAD) which are suitable for fast lookup.
即便如此，它仍然包括数据库协议开销，以及从服务器空间到应用程序空间的内存复制。
Even then, it still includes the database protocol overhead and memory copy from the server space to the application space.
这可能会令人沮丧，因为经典4gl通常使用专有语言、协议甚至数据库，使得集成和扩展更加困难。
This can be frustrating because classic 4gls often use proprietary languages, protocols, and even databases, making integration and extension even more difficult.
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