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Internetworking Technologies Handbook, Fourth Edition by Cisco Systems, Inc.

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Chapter 29. Source-Route Bridging

Objectives

  • Describe when to use source-route bridging.

  • Understand the difference between SRB and transparent bridging.

  • Know the mechanism that end stations use to specify a source-route.

  • Understand the basics of source-route frame formats.

Background

The source-route bridging (SRB) algorithm was developed by IBM and was proposed to the IEEE 802.5 committee as the means to bridge between all LANs. Since its initial proposal, IBM has offered a new bridging standard to the IEEE 802 committee: the source-route transparent (SRT) bridging solution. SRT bridging eliminates pure SRBs, proposing that the two types of LAN bridges be transparent bridges and SRT bridges. Although SRT bridging has achieved support, SRBs are still ...

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