tiffanybangle3

Obviously, the second option will be much more cost-effective in almost every case. All that is required is a third generation hub module that combines Ethernet wiring concentration with an Ethernet-to-FDDI bridge to get the Ethernet signals onto the FDDI backplane. In the resulting architecture, each smart hub is connected to the third generation hub by means of a single Ethernet connection that occupies one port on an Ethernet concentrator module. That architecture is shown in Figure 2. (Figure 2 omitted)

This configuration offers several benefits. It provides an FDDI network backbone with the accompanying order of magnitude to increase backbone bandwidth. This was not available with the Ethernet backbone that preceded it, and this gain was realized Tiffany Atlas Man Dome Watch minimum disruption to the network by leveraging existing smart hub technology and the existing cabling plants. However, this architecture does not deliver a sufficient increase in bandwidth to hosts, work groups, or individual desktops that require it. To provide that bandwidth, the third generation hub and the network based on it must be extended one step further.

The secret to delivering increased bandwidth to the desktop lies in the fact that any third generation hub module used with the FDDI backplane has sufficient performance to accommodate the FDDI data rate. This means that any such module must Tiffany Elsa Woman Watch equipped with a high degree of processing capability. Given that this power must be present, additional capabilities can be designed into third generation hub modules.

The most direct way to supply additional performance to workgroups and individual power users is to further segment the existing network. Traditionally, this segmentation would be accomplished by adding internetworking devices, such as bridges, to the network. In this case, one can take advantage of the intelligence inherent in the third generation hub module to add high-speed Ethernet bridging within the module. The network architecture resulting Tiffany Atlas Woman Watch the use of such a module is depicted in Figure 3. (Figure 3 omitted)

This architecture segments each workgroup into a separate network, having its own 10 Mbps of bandwidth to share. Using this strategy, the performance potential of each hub increases without requiring any additional hardware other than the Ethernet bridge module in the third generation hub. The module can be used to provide a private LAM with 10 Mbps of bandwidth both to individual power users and to file servers in the computer room, by Tiffany Elsa Man Watch them directly to an Ethernet port in the third generation hub. With this architecture, available bandwidth to the desktop can be increased by simply moving the device's connection point from the smart hub to another in the same wiring closet. However, today's file servers are increasingly capable of bursting data in excess of the 10-Mbps rate. This raises the question: How can we accommodate these high-performance servers in the context of our growing network?

The answer requires the use of a higher speed link than Ethernet can provide, and since FDDI is already in 1837 Collection Lock Necklace Set in the third generation hub backplane, it is the logical medium to use to provide this link. A third generation hub module that offers direct FDDI connectivity is all that is needed and such a module can be created merely by incorporating FDDI cable concentration. The network architecture is derived from using a third generation hub with an FDDI concentrator.

High-speed file servers have direct FDDI access to the third generation hub Tiffany Atlas Man Watch to accommodate burst rates up to FDDI speeds. This can be accomplished just by installing a fiber optic link between the server and an FDDI concentrator port. Workstations that have bandwidth requirements exceeding 10 Mbps can be accommodated by the same technique. With this added capability, third generation hubs have been used with minimal change to the original network and now provide a level and range of bandwidth that can meet the needs of very demanding environments.