(Starting from the grid user environment and other scenarios and the characteristics of mobile networks, this paper summarizes the principles of persistence, globality, loose coupling, and separation of content and transmission in network protocols, and proposes a grid service request protocol (GSRP) that supports connection recovery and session mobility The GSRP uses a loosely coupled two tier framework, the session layer and the message transmission layer, which are respectively responsible for message content and message interaction between users, message packets and transmission. This document includes the following attachments:)