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有关交换机、路由器以及路由交换机和交换式路由器的许多信息都相互矛盾,并且也没有指明工作的层次,因而一直存在着相当激烈的争论,而不能说出这些设备主要用于哪些环境。本文将仔细阐明各种类型的交换机和路由器之间的区别,评价其中的第四层交换技术,并详细描述如今的系统所能够(和不能够)提供的功能和服务,同时也将关注在交换机和路由器中所支持的流量管理特性以及它们对网络的影响。
Much of the information on switches, routers, and routing switches and switching routers is conflicting and there is no indication of the level of work, there has been a considerable amount of controversy over the environment in which these devices are primarily used. This article will elaborate on the differences between the various types of switches and routers, evaluate the fourth layer of the switching technology, and describe in detail the features and services that today’s systems can (and can not) provide, while also focusing on switching And the traffic management features supported in the router and their impact on the network.