面向高并发民航业务的动态负载均衡设计

DYNAMIC LOAD BALANCE DESIGN FOR HIGH CONCURRENCY CIVIL AVIATION BUSINESS

针对民航业务实时并发请求多、业务功能复杂、数据量大的特点,简要介绍当前业务系统的总体结构和负载均衡机制,分析现有负载均衡算法的优点和不足。为了提高民航业务系统的鲁棒性和可靠性,根据其软硬件结构特点在原负载均衡机制的基础上提出改进的动态负载均衡策略。同时设计维护负载度量指标所需的数据结构以及在这种数据结构下维护该指标的方法,并进行实验对比验证。实验结果表明,动态负载均衡策略能够更好地应对高并发复杂网络环境,使系统的鲁棒性和可靠性得到提升。

For the features of civil aviation business such as a lot of real-time concurrent requests, complicated business functions andlarge data amount, we briefly introduced the overall architecture and load balance mechanism of current business system, and analysed themerits and drawbacks of existing load balance algorithm. To promote the robustness and reliability of civil aviation business system, we putforward an improved dynamic load balance strategy based on the original mechanism in accordance with the software and hardware feature.Meanwhile we designed a new data structure required for maintaining the load measurement indicators and the relative method to maintain suchindicator in this structure, and carried out experiment for contrast verification. Experimental result indicated that the dynamic load balancestrategy could cope well with high concurrency and complicated network environment, which promoted the robustness and reliability of the system.