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Source route bridging
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<p>Source route bridging is used on <a href="/facts/Token_Ring/mfQj6GSx">Token Ring</a> networks, and is standardized in Section 9 of the <a href="/facts/IEEE_802.2/JIkDGFMY">IEEE 802.2</a> standard. The operation of the bridge is simpler (<a href="/facts/Spanning_tree_protocol/ofHHMBuM">spanning tree protocol</a> is not necessary) and much of the bridging functions are performed by the end systems, particularly the sources, giving rise to its name. </p><p><i>Source-route transparent bridging</i>, abbreviated <i>SRT bridging</i>, is a hybrid of <a href="/facts/Source_routing/1Xtpqwby">source routing</a> and <a href="/facts/Transparent_bridging/5nyTQtNW">transparent bridging</a>, standardized in Section 9 of the <a href="/facts/IEEE_802.2/JIkDGFMY">IEEE 802.2</a> standard. It allows source routing and transparent bridging to coexist on the same bridged network by using source routing with hosts that support it and transparent bridging otherwise. </p><p>The source route bridging algorithm was developed by IBM and was proposed to the IEEE 802.5 committee as the means to bridge between all the <a href="/facts/LAN/edUDxJ6J">LANs</a>. </p>