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针对发布订阅网络消息性质(关键性、紧急性等)和所属用户的不同,引入了以服务区分为目的的路由算法-基于反馈机制和订阅区分的个性化优先级路由算法.它基于内容覆盖的路由算法,并允许消息优先级的动态变化.网络中用户可拥有不同权重,并且可以制定个性化的优先级订阅.其中订阅用户数越大、越紧急的消息会获得更高的传输优先级(或传输质量).另外为了防止个性化订阅过程中潜在的“贪婪”设置高优先级现象,算法引入了公平性调度机制-基于反馈的全局优先级调节.最终实验结果表明,高优先级消息的传输性能较其他优先级消息高,并且也证明了基于反馈的公平性调度机制可以有效地调整系统不公平状态,保证了个性化优先级路由算法的实际应用性.
Aiming at the difference of nature (criticality, urgency, etc.) of subscribing to network messages and their subscribers, this paper introduces a routing algorithm based on service differentiation - a personalized priority routing algorithm based on feedback mechanism and subscription differentiation.It is based on content-covered Routing algorithm and allow the dynamic change of the priority of the message.Network users can have different weights and can make personalized priority subscriptions.The larger the number of subscribers, the more urgent the message will get higher transmission priority ( Or transmission quality.) In addition, in order to prevent potential “greedy” setting of high priority during personalized subscription, the algorithm introduces a fairness scheduling mechanism - global priority adjustment based on feedback.The final experimental results show that high priority The message transmission performance is higher than other priority messages, and also proves that the fairness scheduling mechanism based on feedback can effectively adjust the system’s unfair state and ensure the practical applicability of the personalized priority routing algorithm.