Chapter 17. Source-Routing, Translational, and Wide Area Bridges
The last few chapters have discussed local area transparent bridges. Transparent bridges are characterized by their capability to learn the MAC addresses that are reached through each port and by the use of the Spanning Tree Protocol to restructure the LAN topology automatically after a component failure.
This chapter introduces source-routing bridges, which IBM designed for its Token Ring networks. Although transparent bridging can be used in Token Rings, source-routing often is preferred. Some LAN administrators install bridges that behave like transparent bridges for some traffic and follow source-routes for other traffic. Bridges that can do this are called (not surprisingly) ...
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