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VLAN crossconnect (VLAN-XC)

VLAN Crossconnect (VLAN-XC) is one of several technologies for connection-orienteddata packet switching in Carrier Ethernet. The others are Provider Backbone Bridging with Traffic Engineering (PBB-TE) and Transport MPLS

(T-MPLS). VLAN-XC technology is about the type of addressing. Instead of the MAC address as switching information, a label is encoded in the Ethernet header to identify the corresponding tunnel. The Ethernet header itself is not changed, but only a reserved bit position for the VLAN ID as provided for in the 802.1Q and 802.1ad standards.

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Englisch: VLAN crossconnect - VLAN-XC
Updated at: 22.07.2011
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