计算机网络技术和应用的迅猛发展,推动了社会信息化程度的不断提高,而信息化需求的提升又推动着新的网络技术的涌现。这些技术使得网络在可扩充性、灵活性、透明性以及速率等方面都得到了很大提高。在众多的网络产品中,交换机对于构建高性能的网络起着至关重要的作用,其技术发展同样令人瞩目。现 The rapid development of computer network technology and application has promoted the continuous improvement of the level of social informationization, and the promotion of information needs has pushed the emergence of new network technologies. These technologies make the network greatly improved in terms of scalability, flexibility, transparency and speed. Among the many networking products, switches play a crucial role in building high-performance networks, and the technological development is equally impressive. Now