Single-route broadcast for LAN interconnection
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United States of America Patent
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-
Jul 4, 1995
Issued Date -
N/A
app pub date -
May 19, 1994
filing date -
Dec 10, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In LAN interconnect, it is necessary to perform route discovery to locate a destination device. A novel method of selecting designated source routing bridges and a new single-route broadcast scheme using those selected bridges are disclosed. The invention makes use of intelligent source routing bridges which connect LAN segments. In order to configure a single-route broadcast path to each connected LAN, a selection procedure is performed among source routing bridges according to the present invention to ensure that there is only one path between two connecting LAN segments. In one embodiment, a packet switching network is used as a WAN which interconnects many LAN segments by way of a virtual ring created in the WAN and the present invention chooses only one path between the individual LAN segment and the virtual ring.
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