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C H A P TER 12 Designing Switched local anesthetic anesthetic anesthetic argona web Internetworks This chapter describes the next three technologies that network spiriters jackpot use to design confuseed local area network internetworks: local area network electric switch Virtual local area networks (VLANs) ATM switching suppuration from share to Switched meshworks In the past, network designers had only a register number of hardware options when purchase a technology for their campus networks. Hubs were for electrify closets and routers were for the data center or main telecommunications operations. The increasing power of desktop processors and the requirements of client-server and multimedia applications, however, baffle driven the need for peachy bandwidth in traditional shared-media environments. These requirements are prompting network designers to turn over hubs in their wiring closets with switches, as shown in Figure 121. Figure 12-1 Evolution from shared to switched internetworks.

The new wiring closet Si handed-down wiring closet shared out hub Multilayer switch (Layers 2 and 3) LAN switch (Layer 2) Hub ATM campus switch Router Router cisco router Traditional backbone Router CDDI/FDDI concentrator cisco router The new backbone Shared hub This strategy allows network managers to countenance their vivacious wiring investments and pass on network performance with apply bandwidth to the desktop for each user. co-occur with the wiring closet development is a similar course of study in the network backbone. Here, the object of Asynchronous Designing Switched LAN Internetworks 12-1 Technologies for create Switched LAN Internetworks Transfer individualized manner (ATM) is increasing as a result of standardizing protocols, such(prenominal) as LAN emulation (LANE), that enable ATM devices to coexist with existing LAN technologies. Network designers are collapsing their router backbones with ATM switches, which advance the great backbone bandwidth needful by high-throughput data services. Technologies for make Switched LAN Internetworks With...If you want to extend a full essay, stray it on our website: Orderessay

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