基于VxWorks的8×155 MPOS线卡板级软件设计与实现

Board-level software is the foundation on the design of router linecards in high-speed routers. Based on the characteristics of the data processing procedure and requirements of the system controlling, this paper analyzes the function of the board-level software of 8×155M POS linecard and divides it into several modules. For the complication and inner high concurrence of the modules, this paper chooses real time tasks in VxWorks to implement the modules, and it also provides the design and implementation of the key modules. The achievements of this paper have been used in the core router and the results show that software runs constantly can meet the requirements of the system.