On the basis of researching the PPP, the communicating process of PPP based on GPRS is analyzed, and component of PPP, content of PPP, connecting process of PPP, etc are depicted.

• 摘要通过对PPP进行深入研究，分析了基于GPRS的PPP协商过程，叙述了PPP组成、内容、含义和连接的过程等；