“…The concept of synchronization in CDNs refers to the ability of the nodes within the network to reach a coordinated objective. So far, several effective synchronization control methods, such as adaptive synchronization control [6], sampled-data synchronization control [7], intermittent synchronization control [8], impulse synchronization control [9]- [11], have been developed for various CDNs. Among these methods, the impulse control strategy has attracted a great deal of attention due to its simple structure and discrete nature of implementation, and finds potential applications in various energy efficiency scenarios owing to its low energy consumption at impulse instants.…”