LWIP的主要目的是减少存储器利用量和代码尺寸，使LWIP适合应用于小的、资源有限的处理器如嵌入式系统。这是在lpc22xx上的移植-Viedo the main purpose is to reduce memory utilization and code size, so Viedo suited for small, limited resources, such as embedded processor system. This is in the transplant lpc22x