System to implement a switched ethernet service within a geographically distributed region using asymmetric full duplex circuits
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United States of America Patent
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-
Aug 10, 1999
Grant Date -
N/A
app pub date -
Apr 9, 1997
filing date -
Apr 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system using a public access medium to establish asymmetric full-duplex circuits connecting a premises device and a central device. The premises device converts a standard Ethernet interface into the asymmetric full-duplex link. The central device aggregates traffic from a plurality of asymmetric links into one or more local ethernet connection. The premises device is attached to any network node (such as a personal computer, LAN bridge/router, terminal server, etc.) which offers an ethernet interface. The device thereby emulates an Ethernet LAN so that the network node's operation is transparent. Such an Ethernet to asymmetric converter is provided at one end of the asymmetric full-duplex link. The central device aggregates traffic from several asymmetric links into one or more Ethernet connection. This device inspects Ethernet packets as they are transferred in order to determine which physical ports should receive a packet. This device resembles or is provided as a local area network bridge. However, according to a preferred form of the invention, the bridge function is provided in the form of an asymmetric Ethernet multiplexer (AEM) which operates in the form of a multiplexer.
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