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tag switching |
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A layer 3 switching technology from Cisco that is used in large enterprise networks (WANs). It uses tags (labels) containing forwarding information. Tag switching uses routers (Tag Edge Routers) that sit on the periphery of the network and make forwarding decisions for all the routers in the backbone. They append this information to each packet in fixed positions in the header that can be quickly examined by interior backbone routers (Tag Edge Switches), saving the time involved in decoding the packet and its associated table lookups. See MPLS. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Within Cisco his first role was as a systems engineer for academic and research community, working on technologies like ATM, IPv6, IP multicast, tag switching (forerunner of MPLS) or VoIP. It also supports time division multiplexing (TDM), frame relay, multi-protocol label switching (MPLS), label switching and tag switching for a broad range of wide-area, metropolitan-area and storage-area networking equipment. A key technology that Cisco's Internet Routers enable is MPLS (Multiprotocol Label Switching), which is an industry standard derived from Cisco's Tag Switching. |
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tag switching