開發委托代理（Proxy Agent）來解決非SNMP 設備的標準化管理，是目前普遍采用的手段。文章針對開發委托代理時遇到的串口通信實時性和系統資源利用不足的問題，提出了一種基于事件驅動和雙緩沖區的多任務串口通信的設計思想，結合相關控制算法實現了嵌入式委托代理的設計開發。該方案可用于網絡設備上委托代理功能模塊或嵌入式委托代理單元的設計實現，配合SNMP 管理站可以通過串口實現對非SNMP 設備的標準化管理。
關鍵詞：SNMP；委托代理；事件驅動；串口通信；多任務
【Abstract】 Presently proxy agent is widely used in implementing the normative management for non-snmp equipments. For resolving the problems of real-time operation and system resources using, this paper introduces a design idea of multitask serial communication which based event driven and double buffers. With some correlative control arithmetic, the project achieves the development of embedded proxy agent and can be widely used in network equipments. Through serial interface, the proxy agent achieves the normative management for non-snmp equipments with SNMP manager.
【Key words】 SNMP; Proxy agent; Event driven; Serial communication; Multitask