| 摘要 |
In access multiplexers ( 1 ) comprising network interfaces ( 22 ) for interfacing network links ( 12 ) with network units ( 2 ) and comprising customer interfaces ( 23 - 25 ) for interfacing customer links ( 13 - 15 ) with customer units ( 3 - 5 ) and comprising coupling means ( 31 ) for coupling the interfaces ( 22 - 25 ), allocating means ( 32 ) are introduced for allocating Medium Access Control addresses to Internet Protocol sessions and controlling means ( 30 ) are introduced for controlling the access multiplexers ( 1 ) in dependence of allocations, for increasing efficiencies. The customer units ( 3 - 5 ) form part of one subnet ( 10 ). The network links ( 12 ) comprise Ethernet connections defined by Virtual Local Area Network tags per subnet ( 10 ). The allocating means ( 32 ) comprise relating means ( 33 ) for relating combinations of Virtual Local Area Network tags and Medium Access Control addresses to session identifications of the Internet Protocol sessions, with the allocations comprising relationships. The customer links ( 13 - 15 ) comprise Asynchronous Transfer Mode connections or Ethernet connections.
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