Xunlei is a download software developed by Xunlei Company based on multi-resource hyper-threading technology. As a "download tool in the broadband era", Thunder has optimized broadband users and launched a "smart download" service. Thunder adopts multi-resource hyper-threading technology based on grid principle, which can integrate the existing server and computer resources on the network to form a thunder network, which can be transmitted through various data files in thunder network. Multi-resource Hyper-Threading Technology also has the function of Internet download load balancing, so thunder network can balance server resources without reducing the user experience.